About Stack Overflow
Stack Overflow is a Media & Entertainment company based in New York (United States) founded in 2008 by Jeff Atwood, and was acquired by Prosus in June 2021. Social platform for IT professionals programmers. Stack Overflow has raised $153.32 million across 5 funding rounds from investors including Prosus, Silver Lake and Andreessen Horowitz. The company has 273 employees. Its website stackoverflow.com draws about 45.7 million monthly visits. Its focus areas include Consumer, Social Platforms, Professionals and IT. Its competitors include Quora, Built In and JustAnswer; 3 of its 3 listed competitors have raised funding.
Company details
Stack Overflow is a question and answer website for professional and enthusiast programmers. It also hosts a hiring platform, Stack Overflow Careers which helps its users connect with top employers all around the world to find new programming opportunities. Its a part of Stack exchange, a network of free, community-driven QA websites.
- Headquarters New York, United States
- Employees 273
- Founders Jeff Atwood
- Stage Acquired
- SectorsMedia & Entertainment
- Website category Computers Electronics and Technology · Programming and Developer Software
- Emailβ’β’β’β’β’β’β’β’
- Phoneβ’β’β’β’ β’β’β’β’
- Website stackoverflow.com/questions
- Social LinkedIn X Facebook Instagram
- Acquired by Prosus (Jun 2021)
Funding Insights of Stack Overflow
Stack Overflow has successfully raised a total of $153.32M across 5 strategic funding rounds. The most recent funding activity was a Series E round of $85 million completed in July 2020. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $153.32M
- Total Rounds 5
- Last Round Series E β $85M
- First Round $6.05M
(May 2010)
- Investors Count 16
All 5 funding rounds of Stack Overflow with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jul 2020 | $85M | Series E | β | GIC | |
| Jan 2015 | $40M | Series D | β | a16z | |
| Jun 2013 | $10M | Series C | β | Bezos Expeditions | β |
| Mar 2011 | $12.27M | Series B | β | Index Ventures | |
| May 2010 | $6.05M | Series A | β | Union Square Ventures |
17 investors in total: 9 institutional and 8 angel.
Investors in Stack Overflow
Stack Overflow has secured backing from 17 investors, including venture fund and angel investors. Prominent investors backing the company include Prosus, Silver Lake and Andreessen Horowitz.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Technology investing and private equity firm focused on partnerships. | silverlake.com | |||
Venture capital investments in technology sectors are handled by Andreessen Horowitz. | a16z.com | |||
Venture capital investments in technology startups and entrepreneurs. | indexventures.com | |||
Spark Capital is engaged in venture capital investments. | sparkcapital.com | San Francisco, United States | ||
Venture capital firm focused on blockchain, wellbeing, and multiple sectors | usv.com | New York, United States | ||
Sovereign wealth is managed and private equity investments are facilitated. | gic.com.sg | Singapore, Singapore | ||
Investment management and philanthropic ventures linked to Bezos Expeditions. | bezosexpeditions.com | |||
C2C Ventures is engaged in seed-stage venture capital investment for university entrepreneurs. | 1999 | c2cventures.com | Stanford, United States | |
Tech companies are invested in by this venture capital firm. | 1997 | prosus.com | Amsterdam, Netherlands | |
RC Ron Conway | unknown_5d05faa035f4418d8 |
Investor details for Stack Overflow
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of Stack Overflow
154 people are tracked at Stack Overflow (49 in leadership, 105 in team); the tracked headcount is 273.
| Name | Role | Group |
|---|---|---|
Jeff Atwood | Co-Founder | Leadership |
Prashanth Chandrasekar | CEO | Leadership |
J.d. Carlston | Director, Engineering | Leadership |
Lily Toy | Chief Legal Officer | Leadership |
Victoria Revell | Director, Customer Success | Leadership |
Debbie Shotwell | Chief People And Culture Officer | Leadership |
Michael Bell | Strategic Account Director | Leadership |
Alastair Walker | Director of Strategic Sales, EMEA | Leadership |
Moosh Jarzyna | Director of Information Technology | Leadership |
Lynn Ballard | Sr. Director, Information Security & IT | Leadership |
Tabitha Calhoun (she/her), PHR | Senior Director, Talent, DEIB & Engagement | Leadership |
Ben Matthews | Director Of Engineering | Leadership |
Jody Bailey | Chief Product & Technology Officer | Leadership |
Maria Geigle | Director Of Sales Enablement | Leadership |
Emanuel Carpenter | Director Of Sales Development | Leadership |
Vasudha Swaminathan | VP Of Product And Analytics | Leadership |
Don F. | Director, Ad Operations & Media Planning | Leadership |
Daniel Garcia | Enterprise Sales Director, East | Leadership |
Kevin Van Wieren | Director, Strategic Accounts (Carolinas & SoVA) | Leadership |
Jay T. | Strategic Account Director | Leadership |
134 more people are available in the full profile.
Complete people profiles for Stack Overflow
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
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Verified entity values are shown only after access is granted.
Timeline of Stack Overflow
4 dated milestones of Stack Overflow across 13 years, from founding to its latest funding, stage changes and deals.
- Founded Stack Overflow is founded.
- Funding First funding round of $6.0M.
- Funding Latest funding round, Series E, of $85.0M.
- Exit Acquired by Prosus.
Competitors of Stack Overflow
Stack Overflow has 3 listed competitors in our database, 3 of them funded. They include Quora, Built In and JustAnswer.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| quora.com | 2009 | Mountain View, United States | $301M | 211 | Questions are asked and answered on a social community platform. | |
| builtin.com | 1996 | Chicago, United States | $25.38M | 156 | Tech professionals and startups are connected via an online community. | |
| justanswer.com | 2003 | San Francisco, United States | $75.7M | Visitors are connected with independent experts for online Q&A services. |
Detailed competitors of Stack Overflow
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
- Full competitor set
- Operating metrics
- Benchmarks
- Competitive positioning
Verified entity values are shown only after access is granted.
Web traffic of Stack Overflow
The website of Stack Overflow (stackoverflow.com) receives about 45.7M visits a month and ranks #1,565 among all websites worldwide, #283 in Programming and Developer Software.
- Monthly visits45.7M
▼ 3.2% vs previous month
- Unique visitors14.6M
per month
- Global rank#1,565
among all websites
- Category rank#283
Computers Electronics and Technology · Programming and Developer Software
- Bounce rate67%
- Pages per visit1.7
- Average visit2 min 43 sec
- DevicesDesktop 88% Β· Mobile 12%
Websites whose visitors overlap most with Stack Overflow. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| github.com | 100% | 542.6M | #65 | View details | |
| w3schools.com | 95% | #1,856 | View details | ||
| geeksforgeeks.org | 80% | 28.3M | #2,205 | View details | |
askubuntu.com | askubuntu.com | 76% | #21,223 | β | |
superuser.com | superuser.com | 73% | #13,272 | β | |
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
All 40 similar websites and full traffic analytics for Stack Overflow
The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.
- 40 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
Verified entity values are shown only after access is granted.
Top companies in Digital Media & Publishing Platforms
3 companies that operate in the same segment as Stack Overflow (Digital Media & Publishing Platforms) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Content is shared and discussed across user-driven communities. | 2005 | San Francisco, California, United States | USD 1.62 B | |||
Reward-based crowdfunding is facilitated for content creators and musicians. | 2013 | San Francisco, California, United States | USD 412.1 M | 1,218 | ||
Subscription-based platform for publishers' content management is provided. | 2017 | San Francisco, California, United States | USD 189.5 M | USD 1.45 M | 4,285 |
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Related news about Stack Overflow
Complete news archive for Stack Overflow
Full article history, source details, and older brand coverage require an active premium plan.
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Frequently Asked Questions about Stack Overflow
Stack Overflow was founded in 2008 and raised its 1st funding round 2 years after it was founded.
Stack Overflow is headquartered in New York, United States. It is registered at New York, New York, United States.
Stack Overflow is a funded company, having raised a total of $153.32M across 5 funding rounds to date. The company's 1st funding round was a Series A of $6.05M, raised on May 2010.
Stack Overflow has 273 employees.
Annual revenue of Stack Overflow is $64.86K as on Aug 31, 2023.
Stack Overflow is a question and answer website for professional and enthusiast programmers. It also hosts a hiring platform, Stack Overflow Careers which helps its users connect with top employers all around the world to find new programming opportunities. Its a part of Stack exchange, a network of free, community-driven QA websites.
Stack Overflow's top competitors include Quora, Built In and JustAnswer.
Stack Overflow has 17 investors. Key investors include Prosus, Silver Lake, Andreessen Horowitz, Index Ventures, and Spark Capital.
Yes. Stack Overflow was acquired by Prosus in June 2021.
The website of Stack Overflow receives about 45.7 million visits a month and ranks #1,565 among all websites worldwide.

