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: Shardul Shah (Index Ventures), Ryan Petersen (Founders Fund), Wei Guo (UpHonest Capital), Gaurav Tuli (F-Prime Capital Partners), Cameron Winklevoss (Winklevoss Capital), Phin Barnes (The General Partnership), René Bonvanie (Cyberstarts VC), Dalton Caldwell (Y Combinator), Brayton Williams (Boost VC), Ben Holzman (Venture Guides), Mo El-Bibany, Johan Lorenzen, David Bettner, Charlie Songhurst, Amos Elliston, Othman Laraki, John Collison, Jeff Arnold
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)