Investor Lists

Solo angels backing Open Source

Updated 7 November 2026

Solo angels we have observed in an open Source round in the last two years.

See all 10 →The top 10
10investors on the listNo change this week
80cheques in 12 months-54% against the market
$20Mmedian round they joined+144% against the market median
40%wrote a cheque in 12 months
10%have led a round

The Top 10

Ordered by cheques observed, never by anything anyone paid for

Deploying now (4)

  1. 1500 GlobalDeploying nowAngel · United States2,140$3.6Mmedian roundOct 2026last seen
  2. 2Eric YuanDeploying nowAngel · United States7$19Mmedian roundOct 2026last seen
  3. 3Brian BalfourDeploying nowAngel4$28Mmedian roundJun 2026last seen
  4. 4Lukas BiewaldquietAngel2$20Mmedian roundOct 2025last seen
  5. 5Paul CopplestoneDeploying nowAngel2$13Mmedian roundMar 2026last seen
  6. 6Xavier BuckquietAngel2$8Mmedian roundJan 2025last seen
  7. 7James HawkinsquietAngel1$20Mmedian roundOct 2025last seen
  8. 8Casey EllisquietAngel1$25Mmedian roundNov 2025last seen
  9. 9Christophe BiancoquietAngel1$8Mmedian roundJan 2025last seen
  10. 10Haroon MeerquietAngel1$25Mmedian roundNov 2025last seen

Quick answers about solo angels backing Open Source

Who are the most active solo angels backing Open Source?

By cheques observed, the most active are 500 Global, Eric Yuan, Brian Balfour, Lukas Biewald and Paul Copplestone.

How many solo angels backing Open Source are there?

10 are on record. 40% made an investment in the last 12 months and 10% have led a round.

Which stages do solo angels backing Open Source back?

Of the rounds with a named stage in the last 12 months, mostly Seed (35%) and Series A (21%).

How big are the rounds solo angels backing Open Source join?

The typical (median) round among the leading investors here is $20M.

Which sectors do solo angels backing Open Source back most?

In the last 12 months, mostly AI, Fintech and Financial Services.

Where are solo angels backing Open Source based?

Among the most active, most are based in the United States (2).

What have solo angels backing Open Source invested in recently?

Recent rounds include Daytona (Series B, Oct 2026, with Eric Yuan), Dapta (Seed, Oct 2026, with 500 Global) and erad (Series A, Sept 2026, with 500 Global).

How is this list of solo angels backing Open Source ranked?

By cheques observed, from the rounds and filings we watched, and never by anything anyone paid for. It is rebuilt every night.

Built from the rounds we watched, refreshed every night. How we count · Report a correction