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 (Positive Sum VC), Winter Mead (Mead and Mead), Samir Kaji (Kauffman Fellows), Robert Moore
Tegus
Series UnknownSep 2022$20M
$20M
Co-investors: Sam Cates (Positive Sum VC)
Entrepreneurs First
Series CJun 2022$160M
$380M
Co-investors: Mustafa Suleyman (Greylock), Danny Rimer (Index Ventures), Reid Hoffman (Greylock), Will Neale (Passion Capital), Andrew J Scott (7percent Ventures), Eric Schmidt (Innovation Endeavors), Matt Cohler (KKR & Co. Inc.), Nat Friedman (C2 Investment), Lachy Groom (Physical Intelligence), Sarah Leary (Unusual Ventures), Elad Gil (Think Colorado), Matt Mullenweg (Audrey Capital), Auren Hoffman (Datavant), Zehan Wang, Claire Hughes Johnson, John Collison, Patrick Collison, Charlie Songhurst, Tom Blomfield
HumanCo
Convertible NoteSep 2021$35M
$35M
Co-investors: Joe Lonsdale (8VC), Kurt Seidensticker (The Family Fund), Venus Williams (IK Tenns), Chris Denny-Brown (O'Shaughnessy Ventures), Nick Jonas, Edward Norton, Anjula Acharia Bath, Nick Green
Eight Sleep
Series CJun 2021
$250M
Co-investors: Trae Stephens (Founders Fund), Jason Calacanis (Sequoia Capital), Hemant Taneja (General Catalyst), Ryan Petersen (Founders Fund), Fred Ehrsam (Paradigm), Igor Ryabenkiy (Altair Capital Management), Sophia Amoruso (Trust Fund), Kyle Vogt (Cruise Automation, Inc.), Alex Rodriguez (Vision/Capital/People (VCP)), Jesse Robbins (Heavybit Industries), Naval Ravikant (Sm4rt Predictive Systems), Kevin Hartz (A* Capital (A Star Capital)), Bryan Rosenblatt (Craft Ventures), Jared Friedman (Israel Defense Forces), David Sacks (Craft Ventures), Sahin Boydas (Angel investor), Shawn Dimantha (Angel investor), Chris Moreno (Engage Ventures), Alexander Piskunov (KAAN Ventures), Matthew Dellavedova (Athletico 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), Sahil Lavingia, Anthony Pompliano, Karim Atiyeh, Kevin Hart, Babak Nivi, Marcy Simon
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)