# Who Invests With Haystack: 122 Co-Investors (2026) > The 122 investors that have backed two or more of the same startups as Haystack, by kind: vc firms, angels and networks and corporate investors. Source: https://millionrounds.com/portfolio-maps/haystack-co-investors (Millionrounds; every figure on the page links to its filing or article) ## VC firms 98 - [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) - [Techstars](https://millionrounds.com/fund/techstars) - [SV Angel](https://millionrounds.com/fund/sv-angel) - [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) - [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) - [CRV](https://millionrounds.com/fund/crv) - [Initialized Capital](https://millionrounds.com/fund/initialized-capital) - [Lux Capital](https://millionrounds.com/fund/lux-capital) - [Bossa Invest](https://millionrounds.com/fund/bossa-invest) - [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) - [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) - [Liquid 2 Ventures](https://millionrounds.com/fund/liquid-2-ventures) - [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) - [General Catalyst](https://millionrounds.com/fund/general-catalyst) - [BoxGroup](https://millionrounds.com/fund/boxgroup) - [Benchmark](https://millionrounds.com/fund/benchmark) - [Tiger Global Management](https://millionrounds.com/fund/tiger-global-management) - [Caffeinated Capital](https://millionrounds.com/fund/caffeinated-capital) - [Redpoint](https://millionrounds.com/fund/redpoint) - [Homebrew](https://millionrounds.com/fund/homebrew) - [Slow Ventures](https://millionrounds.com/fund/slow-ventures) - [Uncork Capital](https://millionrounds.com/fund/uncork-capital) - [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) - [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) +74 more ## Angels and networks 10 - [*5G* 500 Global](https://millionrounds.com/fund/500-startups) - [*PB* Paul Buchheit](https://millionrounds.com/fund/paul-buchheit) - [*JF* Jason Finger](https://millionrounds.com/fund/jason-finger) - [*LG* Lachy Groom](https://millionrounds.com/fund/lachy-groom) - [*SB* Scott Belsky](https://millionrounds.com/fund/scott-belsky) - [*EL* Edward Lando](https://millionrounds.com/fund/edward-lando) - [*AO* Alexis Ohanian](https://millionrounds.com/fund/alexis-ohanian) - [Golden Seeds](https://millionrounds.com/fund/golden-seeds) - [*GT* Garry Tan](https://millionrounds.com/fund/garry-tan) - [*AD* Adam D'Angelo](https://millionrounds.com/fund/adam-d-angelo) ## Corporate investors 7 - [Google Ventures](https://millionrounds.com/fund/gv) - [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) - [Comcast Ventures](https://millionrounds.com/fund/comcast-ventures) - [Slack](https://millionrounds.com/fund/slack) - [Samsung Next](https://millionrounds.com/fund/samsung-next) - [Lockheed Martin](https://millionrounds.com/fund/lockheed-martin-ventures) - [Z Venture Capital](https://millionrounds.com/fund/z-venture-capital) ## Private equity and asset managers 4 - [Gaingels](https://millionrounds.com/fund/gaingels) - [Dragoneer Investment](https://millionrounds.com/fund/dragoneer-investment-group) - [StepStone Group](https://millionrounds.com/fund/stepstone-group) - [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) ## Accelerators 3 - [Y Combinator](https://millionrounds.com/fund/y-combinator) - [Plug and Play](https://millionrounds.com/fund/plug-and-play) - [Creative Destruction Lab](https://millionrounds.com/fund/creative-destruction-lab) ## Segment by segment ### VC firms 98 investors - [**Lightspeed Venture Partners**](https://millionrounds.com/fund/lightspeed-venture-partners) VC firm United States 15 backed - [**Techstars**](https://millionrounds.com/fund/techstars) VC firm United States 10 backed - [**SV Angel**](https://millionrounds.com/fund/sv-angel) VC firm United States 9 backed - [**Andreessen Horowitz**](https://millionrounds.com/fund/andreessen-horowitz) VC firm United States 9 backed - [**Alumni Ventures**](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm United States 8 backed - [**CRV**](https://millionrounds.com/fund/crv) VC firm United States 7 backed - [**Initialized Capital**](https://millionrounds.com/fund/initialized-capital) VC firm United States 7 backed - [**Lux Capital**](https://millionrounds.com/fund/lux-capital) VC firm United States 7 backed ### Angels and networks 10 investors - [*5G* **500 Global**](https://millionrounds.com/fund/500-startups) Angel investor United States 4 backed - [*PB* **Paul Buchheit**](https://millionrounds.com/fund/paul-buchheit) Angel investor United States 3 backed - [*JF* **Jason Finger**](https://millionrounds.com/fund/jason-finger) Angel investor United States 2 backed - [*LG* **Lachy Groom**](https://millionrounds.com/fund/lachy-groom) Angel investor United States 2 backed - [*SB* **Scott Belsky**](https://millionrounds.com/fund/scott-belsky) Angel investor - 2 backed - [*EL* **Edward Lando**](https://millionrounds.com/fund/edward-lando) Angel investor United States 2 backed - [*AO* **Alexis Ohanian**](https://millionrounds.com/fund/alexis-ohanian) Angel investor United States 2 backed - [**Golden Seeds**](https://millionrounds.com/fund/golden-seeds) Angel network United States 2 backed ### Corporate investors 7 investors - [**Google Ventures**](https://millionrounds.com/fund/gv) Corporate investor United States 7 backed - [**Salesforce Ventures**](https://millionrounds.com/fund/salesforce-ventures) Corporate investor United States 5 backed - [**Comcast Ventures**](https://millionrounds.com/fund/comcast-ventures) Corporate investor United States 4 backed - [**Slack**](https://millionrounds.com/fund/slack) Corporate investor United States 3 backed - [**Samsung Next**](https://millionrounds.com/fund/samsung-next) Corporate investor United States 3 backed - [**Lockheed Martin**](https://millionrounds.com/fund/lockheed-martin-ventures) Corporate investor United States 3 backed - [**Z Venture Capital**](https://millionrounds.com/fund/z-venture-capital) Corporate investor Japan 2 backed ### Private equity and asset managers 4 investors - [**Gaingels**](https://millionrounds.com/fund/gaingels) Private equity United States 3 backed - [**Dragoneer Investment**](https://millionrounds.com/fund/dragoneer-investment-group) Private equity United States 2 backed - [**StepStone Group**](https://millionrounds.com/fund/stepstone-group) Fund of funds United States 2 backed - [**Pioneer Fund**](https://millionrounds.com/fund/pioneer-fund-2) Private equity United States 2 backed ### Accelerators 3 investors - [**Y Combinator**](https://millionrounds.com/fund/y-combinator) Accelerator United States 26 backed - [**Plug and Play**](https://millionrounds.com/fund/plug-and-play) Accelerator United States 2 backed - [**Creative Destruction Lab**](https://millionrounds.com/fund/creative-destruction-lab) Accelerator Canada 2 backed **How this map is made.** Every investor here has backed two or more of the same startups as Haystack, in rounds we track. Grouped by kind, each ranked by how many startups it shares with Haystack. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Portfolio map **Haystack portfolio map** 76 startups · $9.9B](https://millionrounds.com/portfolio-maps/haystack-portfolio-map)[Sector portfolio **Haystack's AI portfolio** 23 startups · $1.1B](https://millionrounds.com/portfolio-maps/haystack-ai-portfolio)[Co-investors **Who invests with Techstars** 991 co-investors](https://millionrounds.com/portfolio-maps/techstars-co-investors)[Co-investors **Who invests with SV Angel** 988 co-investors](https://millionrounds.com/portfolio-maps/sv-angel-co-investors)[Co-investors **Who invests with Andreessen Horowitz** 977 co-investors](https://millionrounds.com/portfolio-maps/andreessen-horowitz-co-investors)[Co-investors **Who invests with Alumni Ventures** 911 co-investors](https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-co-investors) ## Raising from investors like Haystack? 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