Jane Street

Venture capital firm
New York, New York, USAFounded 1999www.janestreet.com

Research-driven quantitative trading firm operating globally as SEC-registered broker-dealer using advanced technology and machine learning.

Strategy

Geographies
New York, New York, USA

Recent changes

  1. Sep 5, 2026Jane Street Leads $1.5B Into Fluidstack at $18B Pulse story
  2. Sep 3, 2026Invested in Fluidstack ($1.5B) Forbes
  3. Aug 18, 2026Invested in Etched ($700M) TechCrunch
  4. Aug 7, 2026Invested in Firmus Grid ($2B) Bloomberg
  5. Aug 7, 2026Invested in Firmus (Growth, US$2B (A$2.85B)) Startup Daily
Earlier changes (3)
  1. Feb 12, 2026Follow-on: Invested in Anthropic (Series G, $30B) TechCrunch
  2. Jul 15, 2025Invested in Thinking Machines (Seed, $2B) TechCrunch
  3. Mar 3, 2025Invested in Anthropic (Series E, $3.5B) TechCrunch

Portfolio

7 total

Recent Investment Activity

7
DateCompanyEventAmountValuationInvestorsSource
Sep 3, 2026Fluidstackfunding round$1.5B$18B
Jane StreetJane Street Capital
outlined = lead
Forbes
Aug 18, 2026Etchedfunding round$700M$21B
outlined = lead
TechCrunch
Aug 7, 2026FirmusGrowthUS$2B (A$2.85B)A$15B (~US$10.5B)
Coatue ManagementNVenturesJane StreetBlackstone Tactical OpportunitiesRegal Funds ManagementArchibald CapitalTectonic Investment Management+1 more
outlined = lead
Startup Daily
Aug 7, 2026Firmus Gridfunding round$2B$10.5 billion
Jane StreetBlackstone Tactical OpportunitiesBlackstone vehicles
Pulse story
Feb 12, 2026AnthropicSeries G$30B$380B
outlined = lead
TechCrunch
Jul 15, 2025Thinking MachinesSeed$2B$12B
outlined = lead
TechCrunch
Mar 3, 2025AnthropicSeries E$3.5B$61.5B
outlined = lead
TechCrunch

Sector / Stage Activity

By stage (tracked rounds)
Growth
1 · 14%
Series G
1 · 14%
Seed
1 · 14%
Series E
1 · 14%

Co-Investors

12

Latest Pulse

Pulse coverage →
  1. Jane Street Leads $1.5B Into Fluidstack at $18BThe Oxford spinout that builds and operates data centers for Anthropic and Google has more than doubled its valuation since December, on the back of contracts it signed before it owned a single chip.
  2. Crusoe Triples to $30B Valuation on $3B Series FThe Denver AI data-center builder raised over $3 billion co-led by Atreides Management and Valor Equity Partners, tripling its valuation in ten months on the strength of a $13 billion Jane Street compute contract.
  3. Etched's Valuation Doubles to $21B in a MonthAI inference-chip startup Etched raised $700 million at a $21 billion valuation weeks after its $10.3 billion mark, with first customer Jane Street already running Etched's Sohu chips in production.
  4. Etched Raises $700M as Valuation Doubles to $21BEtched raised $700 million led by Jane Street at a $21 billion valuation, doubling the $10.3 billion mark it set in July after the quant firm tested the startup's inference hardware and installed a rack in its own data center.
  5. Nvidia Competitor Etched Hits $5B Valuation on $1B in AI Chip SalesEtched, the AI inference chip startup, confirmed a $5 billion post-money valuation on June 30 following a $500 million round led by Stripes, bringing total funding to $800 million since its 2022 founding. The company says it has already secured $1 billion in contract orders for its 'frontier inference clusters' after TSMC successfully manufactured its custom chips earlier in 2026, with backers including Jane Street, Two Sigma, Andrej Karpathy, Geoffrey Hinton, Fei-Fei Li, Stanley Druckenmiller and Peter Thiel.
Sources & methodologyshow
Where these figures come from

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