What SINA does

SINA Corporation (新浪) is a Beijing-headquartered, publicly traded Chinese internet company founded in 1996 that operates one of China's largest web portals, sina.com.cn, and is the controlling shareholder of Weibo Corporation (NASDAQ:WB), a major Chinese social media platform with 562 million monthly active users. The company runs an integrated digital media ecosystem spanning the flagship portal plus more than a dozen vertical properties covering news, finance, sports, entertainment, technology, automotive, education, military affairs, video, reading, mail, blogging, and consumer complaint resolution (Black Cat Complaint), with mobile applications distributed across iOS and Android. Underlying technology is conventional large-scale web and mobile portal infrastructure with shared single sign-on, cross-promotional traffic distribution, and content syndication across verticals.

SINA's business model is overwhelmingly advertising-led. In Q1 2026, advertising and marketing revenues of $369.8 million represented approximately 88% of consolidated net revenues of $421.3 million, with the balance from value-added services such as premium email subscriptions and virtual goods. Revenue grew 6% year-over-year at the consolidated level and 9% at the advertising line. SINA serves two primary segments: brand advertisers and marketing agencies seeking mass reach across Chinese digital audiences (addressed via the Weibo advertising platform and direct enterprise sales), and general Chinese internet users consuming news, entertainment, sports, finance, and social content (addressed through the owned portal and apps). The company also monetizes a sub-brand portfolio including Weibo, Sina Finance, Sina News, Sina Sports, Sina Auto, Sina Tech, and Sina Entertainment, with Weibo generating an estimated $450 million in annual free cash flow and trading at approximately $1.80 billion market capitalization as of June 2026.

Name

SINA

Legal name

SINA Corporation

Website

https://sina.com.cn

Company type

Public

Founded year

1996

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

SINA Corporation operates one of China's largest internet portals (sina.com.cn) and is the controlling shareholder of Weibo, a social media platform with 562 million monthly active users. The company generates roughly 88% of revenue from digital advertising across news, finance, sports, and entertainment verticals.

Ownership category

akta.pro rank

Product category

Online News and Digital Media

NAICS

Information (51), Broadcasting and Content Providers (516), Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers (516210), Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers (5162), Advertising, Public Relations, and Related Services (5418)

SIC

Services-Advertising (7310)

akta.pro primary industry

News & Content Aggregation Portals (BPAMAAAI)

akta.pro secondary industry

Digital Content & Media Subscriptions (CRAFAIAA)

Keywords

• Online news portal
• Digital advertising
• Social media platform
• Financial news media
• Mobile content applications

Headquarters

HQ city

Beijing

HQ country

China

HQ region

Asia

Offices1 record

Markets served

GTM type

B2C

Offering type

Digital Commerce or Content

Cost components

Personnel, Technology or R&D, Marketing or Sales, Infrastructure, Operations

Revenue model

1. Advertising and Marketing: Primary revenue driver accounting for approximately 88% of total revenue. Q1 2026 advertising and marketing revenues reached $369.8 million, representing 9% year-over-year growth. The company provides digital advertising solutions across its web and mobile platforms.
2. Value-Added Services: Additional revenue streams from various value-added services including premium subscriptions, virtual goods, and other user-paid features across the SINA ecosystem including Weibo.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

SINA operates one of China's largest internet portals (sina.com.cn) and is the controlling shareholder of Weibo, a major Chinese social media platform with 562 million monthly active users. The company provides news aggregation, financial information, sports, entertainment, and vertical content through web portals and mobile applications, monetizing primarily via digital advertising and value-added services such as premium subscriptions and virtual goods.

Product overview

SINA operates a unified internet portal platform (sina.com.cn) serving as a comprehensive digital media ecosystem. The core products include the main SINA web portal, the social media platform Weibo (which SINA controls as its majority shareholder), and specialized vertical channels for finance, news, sports, entertainment, technology, education, military, and automotive content. These properties share integrated infrastructure including single sign-on authentication, shared content syndication, and cross-promotional traffic distribution. Weibo generates advertising and marketing revenues while the portal drives additional traffic and subscriptions. The company also offers value-added services including email, blogging, and consumer complaint resolution through Black Cat Complaint.

Differentiator

Problem solved

Functional benefit

Brands

• 新浪微博 (Weibo): Major Chinese social media platform with 562 million monthly active users, separately listed on NASDAQ as WB
• 新浪财经
• 新浪新闻
• 新浪邮箱
• 新浪博客
• 黑猫投诉

Products and services

• Sina.com.cn Portal (新浪网) SINA's flagship web portal providing news, financial information, sports coverage, entertainment content, and integrated access to SINA services including Weibo, blog, and email. Targets Chinese internet users and serves as the company's primary digital advertising surface.
• Weibo (微博) Major Chinese social media platform comparable to Twitter, providing microblogging, real-time news, entertainment content, and social commerce features. Operated by Weibo Corporation (NASDAQ:WB), in which SINA is the controlling shareholder.
• Sina Finance (新浪财经) Financial news, stock market data, fund information, foreign exchange rates, and investment tools platform serving individual investors and financial professionals in China.
• Sina News (新浪新闻) Mobile news application providing real-time news coverage across politics, economy, sports, entertainment, and technology categories. Distributed via iOS and Android app stores.
• Sina Mail (新浪邮箱) Free email service with web and mobile client access, including VIP premium email subscription options for Chinese users.
• Sina Blog (新浪博客) Long-form blogging platform allowing Chinese users to publish articles, essays, and opinion content.
• Black Cat Complaint (黑猫投诉) Consumer rights protection platform allowing users to file complaints against businesses and track resolution progress; functions as a consumer dispute resolution service.

Quantifiable outcome

• Q1 2026 revenue of $421.3 million, up 6% year-over-year
• +1 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators5 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• NetEase: NetEase operates a major Chinese internet portal (163.com) alongside gaming, music, and education verticals, sharing SINA's portal-driven advertising model and content monetization strategy across a broader portfolio.
• Tencent Holdings: Tencent operates WeChat and QQ, the dominant social networking and content platforms in China, competing directly with Weibo for social engagement and advertising spend while also running QQ.com portal properties comparable to SINA's portal ecosystem.
• Baidu: Baidu operates China's dominant search engine and news aggregation platform, competing with SINA's portal for advertising budgets and user attention, particularly in news and information categories where Baidu feeds drive significant traffic.
• Meta Platforms: Meta operates Facebook, Instagram, and Threads — global social networking platforms directly comparable to Weibo in product model (microblogging, social engagement, ad-driven monetization), though serving different geographies.

Emerging players

• ByteDance: ByteDance operates Douyin, Toutiao, and Xigua Video — fast-growing Chinese content and social platforms that compete with Weibo for user attention and advertiser budgets, and with SINA's news verticals for audience share.
• Bilibili: Bilibili is a leading Chinese video and social platform capturing younger users with overlapping content verticals (entertainment, gaming, education), competing with Weibo for engagement time and with SINA verticals for video audiences.

Direct peers

• Sohu.com: Sohu is a direct competitor operating one of China's largest web portals with similar vertical content sites (Sohu News, Sohu Finance, Sohu Sports) and formerly operated social platform components, mirroring SINA's portal-plus-content business model.
• Phoenix New Media: Phoenix New Media operates ifeng.com, a major Chinese digital media platform providing news, finance, and entertainment content with similar advertising-driven revenue model to SINA's portal and vertical properties.
• X (formerly Twitter): X is the closest global comparable to Weibo as a microblogging platform with similar real-time content distribution, social engagement features, and advertising-driven business model serving distinct user bases.

Regional players

• Yahoo: Yahoo is a legacy global web portal with a similar model of advertising-driven revenue across news, finance, and sports verticals. While geographically distinct, it provides a useful structural comparable for SINA's mature portal business facing secular decline.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/channel/UC0Qg0aI0S4yJ2H8Xvc9sE8A
• Facebookfacebook.com/ChinaSinaSports
• Instagraminstagram.com/sina_corp
• Xx.com/sinasportschina
• LinkedInlinkedin.com/company/sina-corporation

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries1 record

Funding overview

Funding rounds4 records

Investors8 records

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

M&A3 records

Investments21 records

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

Frequently asked questions about SINA