Investor · Los Angeles, CA
John O'Donnell
Open John in the network graph →Filings
29
SEC Form D
Connections
78
co-filers
Capital
$78.4M
across filings
Active
Feb 2010
to Jan 2026
Most-connected co-filers (78)
Robert Berner · Los Angeles, CA13 sharedRavi Paidipaty · San Francisco, CA11 sharedPhilip D. Dreyfuss · San Francisco, CA11 sharedBruce Alexander · South Lake Tahoe, CA9 sharedLeerink Transformation Fund I Gp Llc · Boston, MA9 sharedLeerink Transformation Fund I Gp Llc · Boston, MA9 sharedJohn T. Kurtzweil · Huntersville, NC9 sharedKamal Jain · Kirkland, WA9 sharedLeerink Transformation Fund I Gp Llc · Boston, MA8 sharedJeffrey A. Leerink · Boston, MA8 sharedJared A. Kesselheim · Boston, MA8 sharedTodd Cozzens · Boston, MA8 sharedLeerink Transformation Fund I Gp L.P · Boston, MA7 sharedLeerink Transformation Fund I Gp L.P · Boston, MA7 sharedEmpyrean Associates, LLC · Los Angeles, CA7 sharedBrendan Carroll · CHICAGO, IL5 sharedDavid F. Gatto · Los Angeles, CA5 sharedPeter L. Boneparth · Los Angeles, CA5 sharedBarry B. Bondroff · Baltimore, MD4 sharedMichael A. Price · Los Angeles, CA3 sharedAmos Meron · Los Angeles, CA3 sharedWilliam S. Seybold · San Francisco, CA2 sharedBenjamin F. Harmon, Iv · Louisville, KY2 sharedK. Lawrence C. Gragg · Coral Gables, FL2 shared
Recent filings (29)
QBC Tower 2 REIT LLCJan 2026 · 4 co-filers$125KRobin Powered, Inc.Jul 2022 · 11 co-filers$30.0MRobin Powered, Inc.Jul 2022 · 11 co-filers$30.0Mjohnnie-O Holdings Inc.Mar 2022 · 15 co-filers$48.0Mjohnnie-O Holdings Inc.Mar 2022 · 15 co-filers$48.0Mjohnnie-O Inc.Jan 2019 · 15 co-filers$5.0MLeerink Transformation Fund I (Cayman Feeder) L.P.Aug 2017 · 7 co-filers$10.0MLeerink Transformation Investors I L.P.Jun 2017 · 11 co-filersLeerink Transformation Partners Strategic Fund L.P.May 2017 · 13 co-filersLeerink Transformation Fund I L.P.Apr 2017 · 13 co-filers$250.0MMassachusetts Innovation Catalyst Fund I L.P.Apr 2017 · 13 co-filers$50.0Mjohnnie-O Inc.Jan 2017 · 13 co-filers$9.0MLeerink Transformation Fund I L.P.Jul 2016 · 13 co-filers$250.0MLeerink Transformation Fund I L.P.Jul 2016 · 13 co-filers$250.0MVeracity Credit Corp.Apr 2016 · 11 co-filers$2.0MLeerink Transformation Fund I L.P.Apr 2016 · 13 co-filers$250.0MMassachusetts Innovation Catalyst Fund I L.P.Apr 2016 · 13 co-filers$50.0MVeracity Credit Corp.Apr 2016 · 11 co-filers$2.0MJohnnie-OApr 2016 · 9 co-filers$3.0MJohnnie-OApr 2016 · 9 co-filers$3.0MEmpyrean Capital Fund, LPMar 2016 · 7 co-filersJohnnie-OMar 2015 · 9 co-filers$6.0MEmpyrean Capital Fund, LPMar 2015 · 7 co-filersEmpyrean Capital Fund, LPMar 2014 · 5 co-filersJohnnie-OMar 2014 · 3 co-filers$2.0M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See John in the interactive graph →