# Who Invests With QuestMark Partners: 32 Co-Investors (2026) > The 32 investors that have backed two or more of the same startups as QuestMark Partners, by kind: vc firms, growth funds and corporate investors. Source: https://millionrounds.com/portfolio-maps/questmark-partners-co-investors (Millionrounds; every figure on the page links to its filing or article) ## VC firms 23 - [Cross Creek](https://millionrounds.com/fund/cross-creek) - [Kleiner Perkins Caufield & Byers](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) - [August Capital](https://millionrounds.com/fund/august-capital) - [Scale Venture Partners](https://millionrounds.com/fund/scale-venture-partners) - [Greylock](https://millionrounds.com/fund/greylock-partners) - [Battery Ventures](https://millionrounds.com/fund/battery-ventures) - [Pelion Venture Partners](https://millionrounds.com/fund/pelion-venture-partners) - [Saints Capital](https://millionrounds.com/fund/saints-capital) - [Morgenthaler Ventures](https://millionrounds.com/fund/morgenthaler) - [Baseline Ventures](https://millionrounds.com/fund/baseline-ventures) - [Thayer Ventures](https://millionrounds.com/fund/thayer-ventures) - [SV Angel](https://millionrounds.com/fund/sv-angel) - [Columbia Capital](https://millionrounds.com/fund/columbia-capital) - [Trinity Ventures](https://millionrounds.com/fund/trinity-ventures) - [Domain Associates](https://millionrounds.com/fund/domain-associates) - [HLM Investment Partners](https://millionrounds.com/fund/hlm-investment-partners) - [Atomico](https://millionrounds.com/fund/atomico) - [Index Ventures](https://millionrounds.com/fund/index-ventures) - [DFJ](https://millionrounds.com/fund/dfj) - [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) - [RRE Ventures](https://millionrounds.com/fund/rre-ventures) - [Canaan](https://millionrounds.com/fund/canaan-partners) - [DAG Ventures](https://millionrounds.com/fund/dag-ventures) ## Growth funds 3 - [Intel](https://millionrounds.com/fund/intel) - [*MN* Montagu Newhall Associates](https://millionrounds.com/fund/montagu-newhall-associates) - [*JN* Juniper Networks](https://millionrounds.com/fund/juniper-networks) ## Corporate investors 3 - [Intel Capital](https://millionrounds.com/fund/intel-capital) - [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) - [Visa](https://millionrounds.com/fund/visa) ## Private equity and asset managers 3 - [Goldman Sachs](https://millionrounds.com/fund/goldman-sachs) - [Greenspring Associates](https://millionrounds.com/fund/greenspring-associates) - [T. Rowe Price](https://millionrounds.com/fund/t-rowe-price) ## Segment by segment ### VC firms 23 investors - [**Cross Creek**](https://millionrounds.com/fund/cross-creek) VC firm United States 4 backed - [**Kleiner Perkins Caufield & Byers**](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) VC firm United States 3 backed - [**August Capital**](https://millionrounds.com/fund/august-capital) VC firm United States 3 backed - [**Scale Venture Partners**](https://millionrounds.com/fund/scale-venture-partners) VC firm United States 3 backed - [**Greylock**](https://millionrounds.com/fund/greylock-partners) VC firm United States 3 backed - [**Battery Ventures**](https://millionrounds.com/fund/battery-ventures) VC firm United States 3 backed - [**Pelion Venture Partners**](https://millionrounds.com/fund/pelion-venture-partners) VC firm United States 2 backed - [**Saints Capital**](https://millionrounds.com/fund/saints-capital) VC firm United States 2 backed ### Growth funds 3 investors - [**Intel**](https://millionrounds.com/fund/intel) Growth fund United States 2 backed - [*MN* **Montagu Newhall Associates**](https://millionrounds.com/fund/montagu-newhall-associates) Growth fund - 2 backed - [*JN* **Juniper Networks**](https://millionrounds.com/fund/juniper-networks) Growth fund United States 2 backed ### Corporate investors 3 investors - [**Intel Capital**](https://millionrounds.com/fund/intel-capital) Corporate investor United States 7 backed - [**Salesforce Ventures**](https://millionrounds.com/fund/salesforce-ventures) Corporate investor United States 2 backed - [**Visa**](https://millionrounds.com/fund/visa) Corporate investor United States 2 backed ### Private equity and asset managers 3 investors - [**Goldman Sachs**](https://millionrounds.com/fund/goldman-sachs) Private equity United States 2 backed - [**Greenspring Associates**](https://millionrounds.com/fund/greenspring-associates) Private equity United States 2 backed - [**T. Rowe Price**](https://millionrounds.com/fund/t-rowe-price) Private equity United States 2 backed **How this map is made.** Every investor here has backed two or more of the same startups as QuestMark Partners, in rounds we track. Grouped by kind, each ranked by how many startups it shares with QuestMark Partners. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [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)[Co-investors **Who invests with Sequoia Capital** 827 co-investors](https://millionrounds.com/portfolio-maps/sequoia-capital-co-investors)[Co-investors **Who invests with Founders Fund** 747 co-investors](https://millionrounds.com/portfolio-maps/founders-fund-co-investors) ## Raising from investors like QuestMark Partners? 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