Investing Profile

Patrick O'Shaughnessy(57)

CEOVCInvestorFounder
Partner and CEO @ Positive Sum
positivesumvc.comStamford, Connecticut
Photo of Patrick O'Shaughnessy, Partner at Positive Sum VC

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1 Investor

Connected to Jeff Baehr (RueOne Investments).

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$100K - $1M
$100K
11
$20M
CompanyStageDateRound SizeTotal Raised
Cubby Law
SeedAug 2025$3M
$3M
Co-investors: Jonathon Triest (Ludlow Ventures)
Passthrough
Series AFeb 2023$10M
SeedFeb 2022$5M
$15M
Co-investors: Eric Bahn (Hustle Fund), Adam Demuyakor (Wilshire Lane Capital), Sam Cates (daybreak), Winter Mead (Mead and Mead), Samir Kaji (Kauffman Fellows), Robert Moore
Tegus
Series UnknownSep 2022$20M
$20M
Co-investors: Sam Cates (daybreak)
Entrepreneurs First
Series CJun 2022$160M
$380M
Co-investors: Reid Hoffman (Greylock), Danny Rimer (Index Ventures), Will Neale (Passion Capital), Andrew J Scott (7percent Ventures), Eric Schmidt (Innovation Endeavors), Matt Cohler (KKR & Co. Inc.), Nat Friedman (C2 Investment), Lachy Groom (Stripe), Sarah Leary (Unusual Ventures), Elad Gil (Think Colorado), Matt Mullenweg (Audrey Capital), Auren Hoffman (Datavant), Charlie Songhurst, John Collison, Tom Blomfield, Zehan Wang, Claire Hughes Johnson, Patrick Collison
HumanCo
Convertible NoteSep 2021$35M
$35M
Co-investors: Joe Lonsdale (8VC), Chris Denny-Brown (O'Shaughnessy Ventures), Venus Williams, Nick Jonas, Edward Norton, Anjula Acharia Bath, Nick Green
Eight Sleep
Series CJun 2021
$250M
Co-investors: Ryan Petersen (Founders Fund), Fred Ehrsam (Paradigm), Trae Stephens (Founders Fund), Jason Calacanis (Sequoia Capital), Hemant Taneja (General Catalyst), Igor Ryabenkiy (Altair Capital Management), Kyle Vogt (Cruise Automation, Inc.), Alex Rodriguez (Vision/Capital/People (VCP)), Jesse Robbins (Heavybit Industries), Naval Ravikant (Sm4rt Predictive Systems), Bryan Rosenblatt (Craft Ventures), Jared Friedman (Israel Defense Forces), David Sacks (Craft Ventures), Ankur Nagpal (Vibe Capital), Geoffrey Woo (Anti fund), Avlok Kohli (AngelList), Moshe Lifschitz (Basement Fund), Todd Goldberg (Todd and Rahul's Angel Fund), Niv Dror (Shrug Capital), James Murphy (Proton Enterprises), Rahul Vohra (Todd and Rahul's Angel Fund), Scott Belsky (A24), Kal Vepuri (Brainchild), Sahin Boydas (Angel investor), Shawn Dimantha (Angel investor), Chris Moreno (Xeal), Alexander Piskunov (KAAN Ventures), Anthony Pompliano, Sahil Lavingia, Kevin Hart, Karim Atiyeh, Marcy Simon, Matthew Dellavedova, Babak Nivi
Prefect
Series AFeb 2021$12M
$56M
Co-investors: Sam Teller (Thrive Capital), John Curtius (Cedar Capital Group), Morgan Livermore (Quiet Capital), Ethan Kurzweil (Chemistry VC), Nat Friedman (C2 Investment), Daniel Gross (C2 Investment), Anthony Goldbloom (AIX Ventures), Gavin Baker (Atreides Management), Chris Denny-Brown (O'Shaughnessy Ventures)
Bottomless
Series AJan 2021$5M
$5M
Co-investors: Dalton Caldwell (Standard Capital), Turner Novak (Banana Capital)