645 Ventures

Venture capital · New York, New York

Founded in 2013, 645 Ventures is a venture capital firm based in New York. 40 portfolio companies and 2 recorded rounds are on record.

AUM
$550.0M
Portfolio companies
40
Recorded deals
2
10 in last 12M
Last investment
Mar 2026

645 Ventures's book

40 companies · priced for members
CompanyValuationRole
Shield AI▮▮
X-energy▮▮
Forterra▮▮
+ 37 more companies · all 40, priced and dated
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645 Ventures portfolio at a glance

40 portfolio companies are on record for 645 Ventures, including Shield AI, X-energy and Forterra.

26 of the 40 carry a recorded valuation and 3 have recorded secondary-market trades, the names a secondary buyer or seller can price.

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