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 (Battery Ventures)
Clarity Security
Series AMay 2025$9M
$12M
Co-investors: Ludwig Schulze (Castor Ventures (an Alumni Ventures Fund))
Precog
Series UnknownJan 2025
$2.8M
Co-investors: Ullas Naik (Streamlined Ventures), 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: René Bonvanie (Battery Ventures), Shardul Shah (Index Ventures), Ryan Petersen (Founders Fund), Wei Guo (UpHonest Capital), Gaurav Tuli (F-Prime Capital Partners), Phin Barnes (The General Partnership), Ben Holzman (Venture Guides), Mo El-Bibany (Page One Ventures), Johan Lorenzen (Upfin.vc), Jeff Arnold (Depth Ventures), Dalton Caldwell (Standard Capital), David Bettner (Moving Capital), Brayton Williams (Boost VC), Cameron Winklevoss (Winklevoss Capital), Amos Elliston (ExecConnect), Othman Laraki (Frontier Medicines), Charlie Songhurst, John Collison
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: Ben Holzman (Venture Guides), Chip Hazard (Flybridge Capital Partners), Benjamin Nye (Venture Guides)
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