# Who Invests With Square 1 Bank: 25 Co-Investors (2026)

> The 25 investors that have backed two or more of the same startups as Square 1 Bank, by kind: vc firms and private equity and asset managers.

Source: https://millionrounds.com/portfolio-maps/square-1-bank-co-investors (Millionrounds; every figure on the page links to its filing or article)

## VC firms

20

- [SVB Capital](https://millionrounds.com/fund/svb-capital)
- [Industry Ventures](https://millionrounds.com/fund/industry-ventures)
- [Grotech Ventures](https://millionrounds.com/fund/grotech-ventures)
- [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures)
- [Domain Associates](https://millionrounds.com/fund/domain-associates)
- [InterWest Partners](https://millionrounds.com/fund/interwest-partners)
- [Origin Ventures](https://millionrounds.com/fund/origin-ventures)
- [SV Angel](https://millionrounds.com/fund/sv-angel)
- [Canaan](https://millionrounds.com/fund/canaan-partners)
- [IDEA Fund Partners](https://millionrounds.com/fund/idea-fund-partners)
- [Correlation Ventures](https://millionrounds.com/fund/correlation-ventures)
- [Rustic Canyon Partners](https://millionrounds.com/fund/rustic-canyon-partners)
- [Access Venture Partners](https://millionrounds.com/fund/access-venture-partners)
- [Service Provider Capital](https://millionrounds.com/fund/service-provider-capital)
- [Longitude Capital](https://millionrounds.com/fund/longitude-capital)
- [Deerfield](https://millionrounds.com/fund/deerfield)
- [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund)
- [Trinity Capital](https://millionrounds.com/fund/trinity-capital)
- [Trinity Ventures](https://millionrounds.com/fund/trinity-ventures)
- [*NH* North Hill Ventures](https://millionrounds.com/fund/north-hill-ventures)

## Private equity and asset managers

5

- [Baird Capital](https://millionrounds.com/fund/baird-capital)
- [Vivo Capital](https://millionrounds.com/fund/vivo-capital)
- [Bluestem Capital](https://millionrounds.com/fund/bluestem-capital-company-llc)
- [Oxford Finance LLC](https://millionrounds.com/fund/oxford-finance-llc)
- [NewSpring](https://millionrounds.com/fund/newspring)

## Segment by segment

### VC firms

20 investors

- [**SVB Capital**](https://millionrounds.com/fund/svb-capital) VC firm United States 4 backed
- [**Industry Ventures**](https://millionrounds.com/fund/industry-ventures) VC firm United States 3 backed
- [**Grotech Ventures**](https://millionrounds.com/fund/grotech-ventures) VC firm United States 3 backed
- [**Khosla Ventures**](https://millionrounds.com/fund/khosla-ventures) VC firm United States 3 backed
- [**Domain Associates**](https://millionrounds.com/fund/domain-associates) VC firm United States 3 backed
- [**InterWest Partners**](https://millionrounds.com/fund/interwest-partners) VC firm United States 2 backed
- [**Origin Ventures**](https://millionrounds.com/fund/origin-ventures) VC firm United States 2 backed
- [**SV Angel**](https://millionrounds.com/fund/sv-angel) VC firm United States 2 backed

### Private equity and asset managers

5 investors

- [**Baird Capital**](https://millionrounds.com/fund/baird-capital) Investor United States 3 backed
- [**Vivo Capital**](https://millionrounds.com/fund/vivo-capital) Private equity United States 2 backed
- [**Bluestem Capital**](https://millionrounds.com/fund/bluestem-capital-company-llc) Private equity United States 2 backed
- [**Oxford Finance LLC**](https://millionrounds.com/fund/oxford-finance-llc) Private equity United States 2 backed
- [**NewSpring**](https://millionrounds.com/fund/newspring) Private equity United States 2 backed

**How this map is made.** Every investor here has backed two or more of the same startups as Square 1 Bank, in rounds we track. Grouped by kind, each ranked by how many startups it shares with Square 1 Bank. Rebuilt nightly; updated 15 November 2026.

## More portfolio maps

[All portfolios](https://millionrounds.com/portfolio-maps)

[Portfolio map **Square 1 Bank portfolio map** 33 startups · $2.9B](https://millionrounds.com/portfolio-maps/square-1-bank-portfolio-map)[Sector portfolio **Square 1 Bank's Biotech portfolio** 14 startups · $1.6B](https://millionrounds.com/portfolio-maps/square-1-bank-biotech-portfolio)[Co-investors **Who invests with Ripple** 40 co-investors](https://millionrounds.com/portfolio-maps/ripple-co-investors)[Co-investors **Who invests with AVP** 35 co-investors](https://millionrounds.com/portfolio-maps/avp-2-co-investors)[Co-investors **Who invests with Mayo Clinic** 21 co-investors](https://millionrounds.com/portfolio-maps/mayo-clinic-co-investors)[Co-investors **Who invests with Y Combinator** 1,812 co-investors](https://millionrounds.com/portfolio-maps/y-combinator-co-investors)

## Raising from investors like Square 1 Bank?

Find the investors who back startups like yours, with their cheques, rounds and partners, in the app with filters, lists and exports.

[Find investors](https://millionrounds.com/login?join=1&next=/app/investors)[Market maps](https://millionrounds.com/market-maps)
