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Tekfen Holding

Full company profile

uuid003dpl3

Namestring
Tekfen Holding
Legal namestring
Tekfen Holding A.Ş.
Websiteurl
tekfen.com.tr
Company typeenum
Public
Founded yearint
1956
Descriptiontext

Tekfen Holding A.Ş. is a publicly listed Turkish diversified industrial conglomerate founded in 1956 and headquartered in Istanbul, trading on Borsa İstanbul (BIST) under ticker TKFEN since November 23, 2007. It operates three primary business groups: Engineering and Contracting (Tekfen İnşaat and Tekfen Mühendislik, executing large-scale domestic and international EPC projects including oil & gas infrastructure such as BP's Baku Sangachal Terminal and new Saudi Arabian projects), Agricultural Industry (Toros Tarım, Turkey's #1 fertilizer producer and #2 chemical fertilizer exporter per ISO 500 rankings, operating fertilizer manufacturing plants, terminal storage, and a national dealer distribution network serving Turkish farmers), and Investment Group (real estate via Tekfen Emlak Geliştirme and Tekfen Taşınmaz, plus the 2016-vintage Tekfen Ventures). Tekfen also operates the Toros Çiftçi digital farmer-engagement app, the Sürdürülebilir Gübre Akademisi (Sustainable Fertilizer Academy) co-developed with IFA, and entered renewable energy in 2023 via Tekfen Yenilenebilir Enerji Çözümleri. Across 38 group companies and 11,000+ employees, Tekfen reported approximately 54 Billion TL in turnover, with quarterly disclosures showing a YoY revenue decline and net losses in Q2 2025 (1.62B TL loss on 11.63B TL revenue) and Q1 2026 (535M TL loss on 14.7B TL revenue, narrowed from 959.8M TL prior year). The company is a UN Global Compact signatory and the only Turkish firm on CDP's 2020 Global A List for both Climate Change and Water Security. Ownership is in flux: Can Kültür's 42.8% block was placed under TMSF conservatorship in September 2025 and is the subject of ongoing Oyak sale negotiations as of June 2026, while ARY Grup holds 32.08% and the public float is 21.49%.

Tekfen Holding A.Ş. is a Turkish publicly listed conglomerate that operates engineering and contracting, agricultural fertilizer production, and real estate investment businesses across Turkey, the Middle East, and the Caucasus.

Short descriptiontext

Tekfen Holding A.Ş. is a Turkish publicly listed conglomerate that operates engineering and contracting, agricultural fertilizer production, and real estate investment businesses across Turkey, the Middle East, and the Caucasus.

Operating statusenum
Operating
Ownership categoryenum
Headcount rangeband
5,001–10,000
akta.pro rankint
HeadquartersIstanbul
HQ citystring
Istanbul
Markets served

Serves global market

Offices2 records

Each record includes

City, Country, Type, Description, Source

Keyword5 values
engineering contracting services, fertilizer manufacturing, agricultural inputs, industrial construction, real estate investment
Industry1 code
1Systems Engineering & Technical Program Management
CodeBPAHAIAIPrimaryYes
NAICS code2 codes
  • Management of Companies and Enterprises551
  • Management of Companies and Enterprises5511
SIC code1 code
  • Fabricated Structural Metal Products3440
Product category
Industrial Conglomerate
GTM motion2 records

Each record includes

Type, Description, Source

Revenue model3 records
1Engineering and Contracting
TypeOne Time License
Description

Revenue from large-scale engineering, construction, and contracting projects domestically and internationally. Includes project fees, construction services, and EPC (Engineering, Procurement, Construction) contracts.

tekfen.com.tr
2Agricultural Industry (Toros Tarım)
TypeHardware Sales
Description

Revenue from fertilizer production, terminal operations, agricultural production and supply. Toros Tarım is ranked as Turkey's #1 in fertilizer sector and #2 in chemical fertilizer exports.

tekfen.com.tr
3Investments
TypeManaged Services
Description

Revenue from investment activities including real estate and other investment ventures within the holding structure.

tekfen.com.tr
Marketing channels4 records

Each record includes

Title, Type, Stage, Description, Source

Distribution channels3 records

Each record includes

Title, Type, Scope, Target buyer, Description, Source

Cost components6 values
Personnel, Operations, Supply Chain, Infrastructure, Technology or R&D, Marketing or Sales
GTM typeB2B
B2B
Offering typeServices
Services
Core offering1 text field

Tekfen Holding is a diversified Turkish conglomerate operating three main business groups: Engineering and Contracting (Tekfen İnşaat and Tekfen Mühendislik) executing large-scale industrial EPC projects domestically and internationally; Agricultural Industry (Toros Tarım) producing and supplying fertilizers, operating terminal storage, and providing agricultural services including the Toros Çiftçi mobile platform; and Investment Group engaged in real estate development (Tekfen Emlak Geliştirme) and venture investments (Tekfen Ventures).

Differentiator
Functional benefit
Problem solved
Quantifiable outcome1 of 4 values shown
  • Toros Çiftçi App reached 33,468 users by 2024
+3 more records
Product overview1 text field

Tekfen Holding operates as a diversified conglomerate with three main business segments: Engineering and Contracting (Tekfen İnşaat and Tekfen Mühendislik), Agricultural Industry (Toros Tarım focusing on fertilizer production and supply), and Investment Group (Tekfen Emlak Geliştirme for real estate). The portfolio also includes digital products like Toros Çiftçi App for farmers, renewable energy operations, and 38 subsidiary companies in total. The company has a 70-year history and employs over 11,000 people.

Product and service4 records
1Engineering and Contracting Group (Mühendislik ve Taahhüt Grubu)
CategoryEngineering and Construction Services
Description

End-to-end engineering, procurement, and construction (EPC) services for industrial plants, pipelines, oil and gas terminals, and infrastructure projects executed domestically and internationally for enterprise and governmental clients.

2Agricultural Industry Group (Tarımsal Sanayi Grubu) - Toros Tarım
CategoryAgricultural Inputs and Fertilizer Manufacturing
Description

Fertilizer production, agricultural inputs, terminal storage operations, and agricultural supply services offered to farmers, agricultural cooperatives, and dealers across Turkey through Toros Tarım, ranked as Turkey's #1 fertilizer producer.

3Investment Group (Yatırım Grubu)
CategoryInvestment and Real Estate
Description

Real estate development through Tekfen Emlak Geliştirme, venture investments through Tekfen Ventures, and renewable energy solutions through Tekfen Yenilenebilir Enerji Çözümleri for diversified investment returns.

4Toros Çiftçi Mobile Application
CategoryDigital Agricultural Services
Description

Mobile application providing farmers with agricultural advice, product information, and support services as a digital engagement channel for Toros Tarım fertilizer customers.

Scale indicator9 records

Each record includes

Type, Value, Description, Source

Partnership1 partner
1IFA (International Fertilizer Association)
Strategic tierCoreTypeStrategic or Co-development PartnerAnnounced on2023-01-01
Description

Toros Tarım established 'Sürdürülebilir Gübre Akademisi' (Sustainable Fertilizer Academy) in collaboration with IFA in 2023 to promote sustainable fertilizer use practices. 48 Sustainability Ambassadors were certified in Phase 1 of the program.

tekfen.com.tr
Recent move8 records

Each record includes

Date, Type, Title, Description, Source

Expansion highlight5 records

Each record includes

Type, Description

Peers8 records
TypeBroad incumbent
Description

World's largest crop nutrition company, the established incumbent in global fertilizer markets. Comparable to Toros Tarım as a major fertilizer producer with international exports and sustainability commitment.

TypeEmerging player
Description

Global specialty fertilizer and minerals company producing agricultural inputs and industrial products. Comparable to Toros Tarım's fertilizer production segment, with focus on specialty/slow-release fertilizer innovation.

TypeDirect peer
Description

Turkey's leading international EPC contractor with ENR rankings and major power plant, pipeline, and infrastructure projects globally. Directly comparable to Tekfen İnşaat and Tekfen Mühendislik's engineering and contracting operations.

TypeDirect peer
Description

Turkey's largest private conglomerate with subsidiaries in energy, automotive, white goods, and finance. Comparable to Tekfen as a publicly traded Turkish industrial conglomerate with diversified operating subsidiaries and similar governance profile.

TypeDirect peer
Description

Largest publicly listed Turkish diversified conglomerate operating across industrials, energy, construction, and financial services. Closest direct comparable to Tekfen's multi-segment holding structure with similar BIST listing and Turkish capital markets exposure.

TypeEmerging player
Description

Alternative investment firm with Turkish-roots operating across private equity, real estate, and credit. Comparable to Tekfen's Investment Group subsidiary (Tekfen Ventures, Emlak Geliştirme) for diversified investment holding activity.

TypeDirect peer
Description

Major Turkish conglomerate in food, consumer goods, and industrial manufacturing. Comparable to Tekfen for diversified Turkish industrial operations and large workforce across multiple subsidiaries.

TypeDirect peer
Description

Turkish diversified conglomerate with operations in industry, energy, finance, and media. Comparable to Tekfen for its diversified Turkish holding structure with multiple operating subsidiaries and BIST listing.

Market position
Strengths5 records

Each record includes

Headline, Details, Source

Weaknesses5 records

Each record includes

Headline, Details, Source

Competitive moat5 records

Each record includes

Type, Details

Key risks5 records

Each record includes

Headline, Details, Source

Key highlights6 records

Each record includes

Headline, Details, Source

Customer concentration

Classification, Details

Named customers2 records

Each record includes

Name, Industry, Type, Use case, Source, UUID

Segment3 records

Each record includes

Title, Type, Primary, Description, Pain point addressed, Use case, Source

Ideal customer profile2 records

Each record includes

Profile, Firmographic size, Sales motion, Sales cycle length, Buying structure, Purchase trigger, Buyer persona, Geography, Industry vertical, Primary use case, Description, Pain points, Evidence proof points, Target buyer

Technology focused
No
API detail
Has APIbool
No

Docs URL, Description

AI maturity
App detail

Has app

Feature3 records

Each record includes

Title, Differentiator, Description, Source

Core technology
Revenue estimate
Valuation estimate
Number of profiles
Profiles1 record

Each record includes

Name, Designation, Designation category, Overview, Profile commentary, Source

Subsidiaries7 records

Each record includes

Name, Acquired on, Relationship type, Type, Business focus

No data
Funding overview

Funding stage, Last funding date, Total funding USD

Funding rounds

Each record includes

Round, Amount USD, Date, Pre money valuation, Total investors, Investors, News

Investors

Each record includes

Name, Type, Date of entry, Rounds participated, Website

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Each record includes

Name, Acquisition type, Announced date, Completed date, Status, Website, News

Investment

Each record includes

Name, Round, Announced date, Lead investor, Website, News

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Tekfen Holding

Industrial Conglomeratetekfen.com.tr

Tekfen Holding A.Ş. is a Turkish publicly listed conglomerate that operates engineering and contracting, agricultural fertilizer production, and real estate investment businesses across Turkey, the Middle East, and the Caucasus.

What Tekfen Holding does

Tekfen Holding A.Ş. is a publicly listed Turkish diversified industrial conglomerate founded in 1956 and headquartered in Istanbul, trading on Borsa İstanbul (BIST) under ticker TKFEN since November 23, 2007. It operates three primary business groups: Engineering and Contracting (Tekfen İnşaat and Tekfen Mühendislik, executing large-scale domestic and international EPC projects including oil & gas infrastructure such as BP's Baku Sangachal Terminal and new Saudi Arabian projects), Agricultural Industry (Toros Tarım, Turkey's #1 fertilizer producer and #2 chemical fertilizer exporter per ISO 500 rankings, operating fertilizer manufacturing plants, terminal storage, and a national dealer distribution network serving Turkish farmers), and Investment Group (real estate via Tekfen Emlak Geliştirme and Tekfen Taşınmaz, plus the 2016-vintage Tekfen Ventures). Tekfen also operates the Toros Çiftçi digital farmer-engagement app, the Sürdürülebilir Gübre Akademisi (Sustainable Fertilizer Academy) co-developed with IFA, and entered renewable energy in 2023 via Tekfen Yenilenebilir Enerji Çözümleri. Across 38 group companies and 11,000+ employees, Tekfen reported approximately 54 Billion TL in turnover, with quarterly disclosures showing a YoY revenue decline and net losses in Q2 2025 (1.62B TL loss on 11.63B TL revenue) and Q1 2026 (535M TL loss on 14.7B TL revenue, narrowed from 959.8M TL prior year). The company is a UN Global Compact signatory and the only Turkish firm on CDP's 2020 Global A List for both Climate Change and Water Security. Ownership is in flux: Can Kültür's 42.8% block was placed under TMSF conservatorship in September 2025 and is the subject of ongoing Oyak sale negotiations as of June 2026, while ARY Grup holds 32.08% and the public float is 21.49%.

Tekfen Holding A.Ş. is a Turkish publicly listed conglomerate that operates engineering and contracting, agricultural fertilizer production, and real estate investment businesses across Turkey, the Middle East, and the Caucasus.

Tekfen Holding firmographics

Firmographics
Name
Tekfen Holding
Legal name
Tekfen Holding A.Ş.
Website
https://tekfen.com.tr
Company type
Public
Founded year
1956
Operating status
Operating
Headcount range
5,001–10,000 employees
Short description
Tekfen Holding A.Ş. is a Turkish publicly listed conglomerate that operates engineering and contracting, agricultural fertilizer production, and real estate investment businesses across Turkey, the Middle East, and the Caucasus.
Ownership category
akta.pro rank

Tekfen Holding industry classification

Industry
Product category
Industrial Conglomerate
NAICS
Management of Companies and Enterprises (551), Management of Companies and Enterprises (5511)
SIC
Fabricated Structural Metal Products (3440)
akta.pro primary industry
Systems Engineering & Technical Program Management (BPAHAIAI)

Keywords

  • Engineering contracting services
  • Fertilizer manufacturing
  • Agricultural inputs
  • Industrial construction
  • Real estate investment

Where Tekfen Holding is headquartered

Location

Headquarters

HQ city
Istanbul

Offices2 records

Markets served

Tekfen Holding business model

Business model
GTM type
B2B
Offering type
Services
Cost components
Personnel, Operations, Supply Chain, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

  1. Engineering and Contracting: Revenue from large-scale engineering, construction, and contracting projects domestically and internationally. Includes project fees, construction services, and EPC (Engineering, Procurement, Construction) contracts.
  2. Agricultural Industry (Toros Tarım): Revenue from fertilizer production, terminal operations, agricultural production and supply. Toros Tarım is ranked as Turkey's #1 in fertilizer sector and #2 in chemical fertilizer exports.
  3. Investments: Revenue from investment activities including real estate and other investment ventures within the holding structure.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Tekfen Holding product offering

Product offering

Core offering

Tekfen Holding is a diversified Turkish conglomerate operating three main business groups: Engineering and Contracting (Tekfen İnşaat and Tekfen Mühendislik) executing large-scale industrial EPC projects domestically and internationally; Agricultural Industry (Toros Tarım) producing and supplying fertilizers, operating terminal storage, and providing agricultural services including the Toros Çiftçi mobile platform; and Investment Group engaged in real estate development (Tekfen Emlak Geliştirme) and venture investments (Tekfen Ventures).

Product overview

Tekfen Holding operates as a diversified conglomerate with three main business segments: Engineering and Contracting (Tekfen İnşaat and Tekfen Mühendislik), Agricultural Industry (Toros Tarım focusing on fertilizer production and supply), and Investment Group (Tekfen Emlak Geliştirme for real estate). The portfolio also includes digital products like Toros Çiftçi App for farmers, renewable energy operations, and 38 subsidiary companies in total. The company has a 70-year history and employs over 11,000 people.

Differentiator

Problem solved

Functional benefit

Products and services

  • Engineering and Contracting Group (Mühendislik ve Taahhüt Grubu) End-to-end engineering, procurement, and construction (EPC) services for industrial plants, pipelines, oil and gas terminals, and infrastructure projects executed domestically and internationally for enterprise and governmental clients.
  • Agricultural Industry Group (Tarımsal Sanayi Grubu) - Toros Tarım Fertilizer production, agricultural inputs, terminal storage operations, and agricultural supply services offered to farmers, agricultural cooperatives, and dealers across Turkey through Toros Tarım, ranked as Turkey's #1 fertilizer producer.
  • Investment Group (Yatırım Grubu) Real estate development through Tekfen Emlak Geliştirme, venture investments through Tekfen Ventures, and renewable energy solutions through Tekfen Yenilenebilir Enerji Çözümleri for diversified investment returns.
  • Toros Çiftçi Mobile Application Mobile application providing farmers with agricultural advice, product information, and support services as a digital engagement channel for Toros Tarım fertilizer customers.

Quantifiable outcome

  • Toros Çiftçi App reached 33,468 users by 2024
  • +3 more outcomes

Companies that use Tekfen Holding

Customer profile

Named customers2 records

Segments3 records

Ideal customer profiles2 records

Tekfen Holding technology and API

Technology

Technology focussed No

API detail

Has API
No
API docs
API detail

Core technology

AI maturity

App detail

Feature3 records

Tekfen Holding partnerships and signals

Strategic signal

Partnerships

One partnership is on record.

  • IFA (International Fertilizer Association)coreStrategic or Co-development Partner · 1 January 2023Toros Tarım established 'Sürdürülebilir Gübre Akademisi' (Sustainable Fertilizer Academy) in collaboration with IFA in 2023 to promote sustainable fertilizer use practices. 48 Sustainability Ambassadors were certified in Phase 1 of the program.

Scale indicators9 records

Recent moves8 records

Expansion highlights5 records

Tekfen Holding competitors and assessment

Company assessment

Broad incumbents

  • Yara International: World's largest crop nutrition company, the established incumbent in global fertilizer markets. Comparable to Toros Tarım as a major fertilizer producer with international exports and sustainability commitment.

Emerging players

  • ICL Group: Global specialty fertilizer and minerals company producing agricultural inputs and industrial products. Comparable to Toros Tarım's fertilizer production segment, with focus on specialty/slow-release fertilizer innovation.
  • Investcorp: Alternative investment firm with Turkish-roots operating across private equity, real estate, and credit. Comparable to Tekfen's Investment Group subsidiary (Tekfen Ventures, Emlak Geliştirme) for diversified investment holding activity.

Direct peers

  • ENKA İnşaat: Turkey's leading international EPC contractor with ENR rankings and major power plant, pipeline, and infrastructure projects globally. Directly comparable to Tekfen İnşaat and Tekfen Mühendislik's engineering and contracting operations.
  • Koç Holding: Turkey's largest private conglomerate with subsidiaries in energy, automotive, white goods, and finance. Comparable to Tekfen as a publicly traded Turkish industrial conglomerate with diversified operating subsidiaries and similar governance profile.
  • Sabancı Holding: Largest publicly listed Turkish diversified conglomerate operating across industrials, energy, construction, and financial services. Closest direct comparable to Tekfen's multi-segment holding structure with similar BIST listing and Turkish capital markets exposure.
  • Yıldız Holding: Major Turkish conglomerate in food, consumer goods, and industrial manufacturing. Comparable to Tekfen for diversified Turkish industrial operations and large workforce across multiple subsidiaries.
  • Doğan Holding: Turkish diversified conglomerate with operations in industry, energy, finance, and media. Comparable to Tekfen for its diversified Turkish holding structure with multiple operating subsidiaries and BIST listing.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

Tekfen Holding social profiles

Digital presence

Tekfen Holding financial estimates

Financial estimate

Revenue estimate

Valuation estimate

Tekfen Holding leadership team

Management profile

Number of profiles

Profiles1 record

Tekfen Holding subsidiaries and ownership

Company hierarchy

Subsidiaries7 records

Tekfen Holding funding detail

Funding detail

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

Tekfen Holding M&A and investment

M&A and investment

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Tekfen Holding

What does Tekfen Holding do?

Tekfen Holding is a diversified Turkish conglomerate operating three main business groups: Engineering and Contracting (Tekfen İnşaat and Tekfen Mühendislik) executing large-scale industrial EPC projects domestically and internationally; Agricultural Industry (Toros Tarım) producing and supplying fertilizers, operating terminal storage, and providing agricultural services including the Toros Çiftçi mobile platform; and Investment Group engaged in real estate development (Tekfen Emlak Geliştirme) and venture investments (Tekfen Ventures).

Is Tekfen Holding a public or private company?

Tekfen Holding is a public company. It is classified as public and is currently operating.

When was Tekfen Holding founded?

Tekfen Holding was founded in 1956. It employs 5,001 to 10,000 people.

Where is Tekfen Holding based?

Tekfen Holding is headquartered in Istanbul.

How does Tekfen Holding make money?

Three revenue lines are on record. Engineering and Contracting is the primary driver. The others are agricultural Industry (Toros Tarım) and investments.

Who are Tekfen Holding's main competitors?

Yara International is listed as a broad incumbent. Emerging players are ICL Group and Investcorp. Direct peers are ENKA İnşaat, Koç Holding, Sabancı Holding, Yıldız Holding and Doğan Holding.

Does Tekfen Holding have an API?

No public API is recorded for Tekfen Holding.

What industry is Tekfen Holding in?

Tekfen Holding's product category is Industrial Conglomerate. Its primary akta.pro industry code is BPAHAIAI, Systems Engineering & Technical Program Management. Its NAICS code is 551 and its SIC code is 3440.

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Live signals
AInvest36% Isn't a Takeover: How Tekfen's Two Owners CoexistCevahir-led investors hold 36.6% of Tekfen Holding, while OYAK controls 42.8% and the board. The minority stake does not trigger a mandatory tender offer under Turkish rules, as it lacks board control. The group's $435 million loan creates leverage without voting power.Investing.comTurkey shares higher at close of trade; BIST 100 up 0.82% By Investing.comTurkey's BIST 100 index closed higher on Friday, rising 0.82% to reach a one-month high as gains in chemical, leasing, and metal products sectors offset broader market pressures. The performance was driven by significant increases in stocks such as Anadolu Metal Madencilik Isletmeleri AS and Bera Holding AS, while technology and construction firms like Odine Solutions Teknoloji and Tekfen Holding saw notable declines.Investing.comTurkey shares higher at close of trade; BIST 100 up 3.64% By Investing.comTurkey equities closed higher on Monday, with the BIST 100 index gaining 3.64% to reach a new 1-month high, driven by strong performance in the Leasing Factoring, Metal Products, and Banks sectors. Market breadth was positive as advancing stocks outnumbered decliners 512 to 97 on the Istanbul Stock Exchange. Among individual movers, Gubre Fabrikalari TAS, Gen Ilac ve Saglik Urunleri Sanayi ve Ticaret AS, and Cw Enerji Muhendislik Ticaret ve Sanayi AS led the gainers, while Reeder Teknoloji Sanayi Ve Ticaret AS, Tekfen Holding AS, and Pasifik Eurasia Lojistik Dis Ticaret AS posted the largest declines.Investing.comTurkey stocks higher at close of trade; BIST 100 up 3.64% By Investing.comTurkey's BIST 100 index closed 3.64% higher on Monday, June 15, 2026, reaching a new 1-month high, with gains led by the Leasing & Factoring, Metal Products & Machinery, and Banking sectors. The best performers were Gubre Fabrikalari TAS (+9.97%), Gen Ilac ve Saglik Urunleri (+9.97%), and Cw Enerji Muhendislik (+9.01%), while the worst performers included Reeder Teknoloji (-5.87%), Tekfen Holding (-2.66%), and Pasifik Eurasia Lojistik (-2.11%). Rising stocks outnumbered declining ones by 512 to 97 on the Istanbul Stock Exchange, while gold futures rose 3.22% and crude oil fell around 5%.Investing.comTekfen Holding stock falls as major shareholder begins sale talks By Investing.comTekfen Holding shares dropped 3.8% after Can Kultur, a major shareholder holding a 42.8% stake, announced it has started negotiations with Oyak for the sale and transfer of its entire shareholding in the company, with no details disclosed on terms or timeline. The stock had been down as much as 6.8% earlier in the session. Tekfen Holding also reported a first-quarter loss of 535 million lira, narrower than the 959.8 million lira loss in the same period last year, with revenue declining to 14.7 billion lira from 17.7 billion lira year-over-year.Investing.comTurkey shares lower at close of trade; BIST 100 down 1.28% By Investing.comTurkey's stock market, represented by the BIST 100 index, declined by 1.28% as significant losses in the banking, telecommunication, and electricity sectors affected overall performance. The biggest gains were seen in Borusan Birlesik Boru Fabrikalari, Efor Yatırım, and Turkiye Petrol Rafinerileri, while Izdemir Enerji, Margun Enerji, and Tekfen Holding experienced the largest declines.Investing.comTurkey shares lower at close of trade; BIST 100 down 1.81% By Investing.comTurkish equities declined on Tuesday with the BIST 100 index falling 1.81% at the close in Istanbul, as declining stocks outnumbered advancers 454 to 150 on the Istanbul Stock Exchange. Tekfen Holding AS rose 5.12% to 88.25 while Margun Enerji Uretim Sanayi ve Ticaret AS hit all-time highs, but Efor Yatırım Sanayi ve Ticaret A.Ş. fell 9.94% to 52-week lows and Reeder Teknoloji Sanayi Ve Ticaret AS dropped 9.47%. Commodity markets also moved, with crude oil for May delivery rising 3.53% to $91.24 per barrel.Investing.comTurkey stocks lower at close of trade; BIST 100 down 0.03% By Investing.comTurkey's BIST 100 index closed down 0.03% on Thursday, with losses in certain sectors offsetting gains from top performers like Tekfen Holding and Oba Makarnacilik. The market saw 315 advancing stocks against 258 declining ones, while commodity prices for gold and crude oil remained largely flat.Investing.comTurkey shares lower at close of trade; BIST 100 down 0.03% By Investing.comTurkey's stock market experienced a slight decline on Thursday, with the BIST 100 index falling by 0.03% at the close in Istanbul. Notable gainers included Tekfen Holding AS, Oba Makarnacilik Sanayi ve Ticaret AS, and Efor Yatırım Sanayi ve Ticaret A.Ş., while Balsu Gida Sanayi ve Ticaret AS and Kontrolmatik Teknoloji Enerji ve Mu saw significant losses. Despite the declines, rising stocks outnumbered those that fell, indicating some resilience in the market.TradingViewTekfen Holding Q2 Net Result Turns To Loss Of 1.62 Bln Lira YoYTekfen Holding reported a Q2 net loss of 1.62 billion Lira, a sharp reversal from a net profit of 782.9 million Lira in the same quarter the previous year. Q2 revenue also declined to 11.63 billion Lira from 14.68 billion Lira year-over-year. The significant turnaround from profit to loss and revenue contraction indicate substantial financial deterioration for the Turkish conglomerate.