Alpha Square Group

Family office · New York, New York

Founded in 2015, Alpha Square Group is a family office based in New York, New York. 32 portfolio companies, 11 recorded rounds and 2 funds are on record.

AUM
$1.1B
Portfolio companies
32
Recorded deals
11
4 in last 12M
Last investment
May 2026

Deal history

11 participations
DateCompanyRaisedRole
May 2026Anthropic▮▮
Feb 2026World Labs▮▮
Feb 2026Stripe▮▮
+ 8 more deals · all 11, priced and dated
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Investment activity

Alpha Square Group joined 6 recorded rounds in the last two years, up from 3 in the two years before. By year: 5 in 2026, 1 in 2025 and 3 in 2024. Across all 11 recorded rounds, 10 were later-stage and 1 were early-stage. Alpha Square Group most often invests alongside 2468 Ventures (2 shared rounds), Alkeon Capital Management (2 shared rounds) and Amazon.com (NAS: AMZN) (2 shared rounds). Most recently: Anthropic (Series H, May 2026) and World Labs (Series B, Feb 2026).

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