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: Ed Roman (Hack VC), Ben Holzman (Venture Guides), Walter Winshall (Collaborative Seed & Growth Partners), David Cohen (Techstars)
Precog Data
Series UnknownJan 2025
$4M
Co-investors: Ullas Naik (Streamlined Ventures), Marquist Allen (Venture Guides)
Tromzo
SeedAug 2023$8M
$12M
Co-investors: Ben Holzman (Venture Guides), Davis Treybig (Innovation Endeavors)
Castle
SeedNov 2016$2M
$16M
Co-investors: Ryan Petersen (Founders Fund), Shardul Shah (Index Ventures), Wei Guo (UpHonest Capital), Gaurav Tuli (F-Prime Capital Partners), Dalton Caldwell (Y Combinator), Brayton Williams (Boost VC), Cameron Winklevoss (Winklevoss Capital), Ben Holzman (Venture Guides), Phin Barnes (The General Partnership), René Bonvanie (Cyberstarts VC), John Collison, Mo El-Bibany, Johan Lorenzen, Jeff Arnold, Charlie Songhurst, Amos Elliston, Othman Laraki, David Bettner
Rapid7
Series DDec 2014$30M
Series CNov 2011$50M
Series BMar 2010$2M
$89M
Co-investors: Benjamin Nye (Venture Guides), Tim McAdam (TCV), Ben Holzman (Venture Guides)
Stackdriver
Series BSep 2013$10M
Series AJul 2012$5M
$15M
Co-investors: Ben Holzman (Venture Guides), Benjamin Nye (Venture Guides), Chip Hazard (Flybridge)