Investing Profile

Ben Holzman

CEOVCInvestor
Venture Guide & Software Investor
Photo of Ben Holzman, Investor at Venture Guides

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$100K - $5.0M
$1M
12
$215M
CompanyStageDateRound SizeTotal Raised
Ray Security
SeedSep 2025$11M
$11M
Co-investors: Adi Dangot Zukovsky (10D)
Clarity Security
Series AMay 2025$9M
$12M
Co-investors: Ludwig Schulze (Alumni Ventures )
Precog
Series UnknownJan 2025
$2.8M
Co-investors: David Cohen (Techstars), Walter Winshall (Collaborative Seed & Growth Partners), Ed Roman (Hack VC), Ben Holzman (Venture Guides)
Precog Data
Series UnknownJan 2025
$4M
Co-investors: Ullas Naik (Streamlined Ventures), Marquist Allen (Venture Guides)
Tromzo
SeedAug 2023$8M
$15M
Co-investors: Harpinder Singh (Innovation Endeavors), Ben Holzman (Venture Guides), Davis Treybig (Innovation Endeavors)
Castle
SeedNov 2016$2M
$16M
Co-investors: Shardul Shah (Index Ventures), Ryan Petersen (Founders Fund), Wei Guo (UpHonest Capital), Gaurav Tuli (F-Prime Capital Partners), Dalton Caldwell (Standard Capital), Brayton Williams (Boost VC), Cameron Winklevoss (Winklevoss Capital), Mo El-Bibany (Page One Ventures), Amos Elliston (Geni.com), Phin Barnes (The General Partnership), René Bonvanie (Fireblocks), Ben Holzman (Venture Guides), Othman Laraki, Johan Lorenzen, David Bettner, Charlie Songhurst, John Collison, Jeff Arnold
Rapid7
Series DDec 2014$30M
Series CNov 2011$50M
Series BMar 2010$2M
$89M
Co-investors: Tim McAdam (TCV), Benjamin Nye (Venture Guides), Ben Holzman (Venture Guides)
Stackdriver
Series BSep 2013$10M
Series AJul 2012$5M
$15M
Co-investors: Benjamin Nye (Venture Guides), Ben Holzman (Venture Guides), Chip Hazard (Flybridge Capital Partners)