Thomas Weisel Partners
Thomas Weisel Partners was a San Francisco-based, full-service investment bank focused on technology and healthcare growth sectors, offering advisory, institutional brokerage, equity research, and asset management services. Founded in 1998, it was acquired by Stifel Financial in 2010.
- Company typePrivate
- Founded1998
- HeadquartersSan Francisco, United States
- Headcount251–500
- GTM typeB2B
- OfferingServices
Thomas Weisel Partners firmographics
Firmographics- Name
- Thomas Weisel Partners
- Legal name
- Thomas Weisel Partners LLC
- Website
- https://thomasweisel.com
- Company type
- Private
- Founded year
- 1998
- Operating status
- Acquired
- Headcount range
- 251–500 employees
- Short description
- Thomas Weisel Partners was a San Francisco-based, full-service investment bank focused on technology and healthcare growth sectors, offering advisory, institutional brokerage, equity research, and asset management services. Founded in 1998, it was acquired by Stifel Financial in 2010.
- Ownership category
- akta.pro rank
Thomas Weisel Partners industry classification
Industry- Product category
- Investment Banking
- NAICS
- Securities, Commodity Contracts, and Other Financial Investments and Related Activities (523), Portfolio Management and Investment Advice (523940), Other Financial Investment Activities (5239)
- SIC
- Security Brokers, Dealers & Flotation Companies (6211), Security & Commodity Brokers, Dealers, Exchanges & Services (6200), Investment Advice (6282)
- akta.pro primary industry
- Full-Service Brokerage (Wirehouse/Universal) (FSAEACAA)
- akta.pro secondary industries
- Industry-Specialist / Sector-Focused M&A Advisory (FSAEAGAJ), Equity Capital Advisory (Private Equity Placements, Growth Capital) (BPAHAOAE)
Keywords
Where Thomas Weisel Partners is headquartered
LocationHeadquarters
- HQ city
- San Francisco
- HQ country
- United States
- HQ region
- North America
Markets served
Thomas Weisel Partners business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D
Thomas Weisel Partners product offering
Product offeringCore offering
Thomas Weisel Partners LLC was a full-service investment bank providing investment banking advisory, institutional brokerage, equity research, and asset management services. The firm focused primarily on technology and other growth-oriented sectors of the global economy, serving corporate and institutional clients.
Differentiator
Problem solved
Functional benefit
Products and services
- Investment Banking Full-service investment banking advisory serving corporate and institutional clients in technology and growth sectors of the global economy.
- Institutional Brokerage Brokerage services provided to institutional clients, including sales and trading support anchored by sector-specialized research.
- Asset Management Asset management services for clients seeking exposure to technology and growth-sector investments.
- Equity Research Institutional equity research concentrated in technology and growth sectors, supporting the firm's investment banking and brokerage businesses.
Companies that use Thomas Weisel Partners
Customer profileIdeal customer profiles2 records
Thomas Weisel Partners technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Thomas Weisel Partners competitors and assessment
Company assessmentDirect peers
- Cowen (now TD Cowen): A growth-focused investment bank with strong technology and healthcare IB practices plus an institutional brokerage and equity research platform — an analogous sector-focused mid-market full-service peer.
- Canaccord Genuity: An independent investment bank with specialized technology, healthcare, and growth markets practices alongside institutional brokerage — comparable as a sector-specialist mid-market IB serving similar growth-company clients.
- Jefferies Group: A middle-market full-service investment bank with deep technology and healthcare investment banking practices as well as equity research distribution — overlapping directly with Thomas Weisel's tech-focused IB and institutional brokerage model.
- Needham & Company: A boutique investment bank specializing exclusively in technology and life sciences sectors — a direct peer in serving growth-stage technology issuers with equity research and capital markets services.
- Houlihan Lokey: A publicly traded full-service investment bank with strong sector-specialist advisory practices across technology, healthcare, and growth markets — directly comparable as a sector-focused mid-market IB competing for similar tech and healthcare mandates.
- Piper Sandler: A diversified middle-market investment bank with significant technology investment banking and equity research distribution — comparable in offering a full-service platform with growing tech sector exposure.
- William Blair: A privately held investment bank with strong growth-company advisory practices and a dedicated investment management arm — a direct comparable as a sector-focused mid-market firm offering IB, brokerage, and asset management.
Broad incumbents
- Stifel Financial Corp. The acquirer of Thomas Weisel Partners and a broad mid-market full-service investment bank — comparable both as the platform that absorbed Thomas Weisel's franchise and as an incumbent whose broader capabilities now encompass what TWP offered.
- Robert W. Baird: A privately held full-service investment bank with institutional brokerage and equity research alongside tech/healthcare advisory — a broader incumbent peer with overlapping capabilities in the same growth sectors.
- Raymond James: A diversified financial services firm with significant investment banking, institutional brokerage, and asset management — comparable as a larger incumbent with overlapping full-service capabilities.
Market position
Customer concentration
Thomas Weisel Partners social profiles
Digital presenceThomas Weisel Partners financial estimates
Financial estimateRevenue estimate
Valuation estimate
Thomas Weisel Partners leadership team
Management profileNumber of profiles
Profiles3 records
Thomas Weisel Partners funding detail
Funding detailFunding overview
Funding rounds1 record
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Thomas Weisel Partners M&A and investment
M&A and investmentM&A2 records
Investments58 records
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Thomas Weisel Partners
What does Thomas Weisel Partners do?
Thomas Weisel Partners LLC was a full-service investment bank providing investment banking advisory, institutional brokerage, equity research, and asset management services. The firm focused primarily on technology and other growth-oriented sectors of the global economy, serving corporate and institutional clients.
Is Thomas Weisel Partners a public or private company?
Thomas Weisel Partners is a private company. It is classified as corporate owned and is currently acquired.
When was Thomas Weisel Partners founded?
Thomas Weisel Partners was founded in 1998. It employs 251 to 500 people.
Where is Thomas Weisel Partners based?
Thomas Weisel Partners is headquartered in San Francisco, United States, in the North America region.
Who are Thomas Weisel Partners's main competitors?
Direct peers on record are Cowen (now TD Cowen), Canaccord Genuity, Jefferies Group, Needham & Company, Houlihan Lokey, Piper Sandler and William Blair. Broad incumbents are Stifel Financial Corp., Robert W. Baird and Raymond James.
Does Thomas Weisel Partners have an API?
No public API is recorded for Thomas Weisel Partners.
What industry is Thomas Weisel Partners in?
Thomas Weisel Partners's product category is Investment Banking. Its primary akta.pro industry code is FSAEACAA, Full-Service Brokerage (Wirehouse/Universal), with a secondary code of FSAEAGAJ, Industry-Specialist / Sector-Focused M&A Advisory. Its NAICS code is 523 and its SIC code is 6211.