1. Recent Funding
2. Investors
3. Hudson River Trading

Hudson River Trading has backed 3 companies on Recent Funding, 3 in the last 12 months; its most recent deal is Positron (2026-09-10).

What Hudson River Trading invests in

• Foundation models and research · 2 · 67%
• Developer tools and cloud · 2 · 67%
• AI infrastructure and compute · 1 · 33%
• Robotics and hardware · 1 · 33%
• Education · 1 · 33%

How Hudson River Trading invests

Share is of the 3 rounds on Recent Funding that name Hudson River Trading. Rounds with no announced date are left out of the year split, and "round" is a round whose stage is not on file.

Portfolio

Company	Round with Hudson River Trading	Total raised	Latest raise
PPositron Foundation models and research	Sep 10, 2026 Series b+ · $875M	$1.18B	Sep 10, 2026 Series b+
GGimlet Labs Developer tools and cloud	Sep 4, 2026 Series b+ · $300M	$380M	Sep 4, 2026 Series b+
OOLIX Foundation models and research	Aug 3, 2026 Series b+ · $312M	$312M	Aug 3, 2026 Series b+

Most frequent co-investors

• AArm2 shared rounds · last Sep 4, 2026
• VValor Equity Partners1 shared round · last Sep 10, 2026
• AAtreides Management1 shared round · last Sep 10, 2026
• NNEA1 shared round · last Sep 10, 2026
• FFlume Ventures1 shared round · last Sep 10, 2026
• QQatar Investment Authority1 shared round · last Sep 10, 2026
• RResilience Reserve1 shared round · last Sep 10, 2026
• DDFJ Growth1 shared round · last Sep 10, 2026
• 11517 Fund1 shared round · last Sep 10, 2026
• UUnless1 shared round · last Sep 10, 2026
• AArena Private Wealth1 shared round · last Sep 10, 2026
• HHelena1 shared round · last Sep 10, 2026

Portfolio companies are the companies on Recent Funding with a round that lists Hudson River Trading, which is a subset of its real portfolio. API: /api/v1/investors/hudson-river-trading. All investors.