Ledger.
Investor · CHICAGO, IL

James O'Brien

Open James in the network graph →
Filings
68
SEC Form D
Connections
270
co-filers
Capital
$35.7M
across filings
Active
Jul 2009
to Jan 2025

Most-connected co-filers (270)

Kevin S. Aarons · New York, NY18 sharedFrank R. Ennis · Dublin 2, Ireland16 sharedRupert R. Tyer · Dublin 2, Ireland16 sharedAnthony J. Salewski · San Francisco, CA10 sharedMargaret R. Cullen · Dublin 2, Ireland9 sharedJames Jr. M. Floyd · Hinesville, GA8 sharedJoseph W. Schottland · New York, NY8 sharedMarc Weidner · New York, NY8 sharedRaymond Jacobs · New York, NY8 sharedWilliam A. Von Mueffling · New York, NY7 sharedDavid Murray · Portland, OR6 sharedStephen L. Parker · Hinesville, GA6 sharedJessie H. Dhillon · Portland, OR6 sharedAri Benacerraf · Boston, MA6 sharedJesce Horton · Portland, OR6 sharedCraig Rominger · Mill Creek, WA6 sharedJames G. Glynn · New York, NY6 sharedAndrew Prozes · Toronto, Ontario, Canada6 sharedTodd Deligan · Mill Creek, WA6 sharedElizabeth Pattullo · Boston, MA6 sharedRandall A. Wilkins · Dallas, TX6 sharedChris Gordon · BOSTON, MA6 sharedValerie R. Mulhall · Dublin 2, Ireland6 sharedHeidi Rominger · Mill Creek, WA6 shared

Recent filings (68)

THINKING CAPITAL GROUP LPMar 2026 · 2 co-filersproChain Ventures, a Series of Decile Start Fund, LPFeb 2026 · 5 co-filers$225KproChain Ventures, a Series of Decile Start Fund, LPOct 2025 · 14 co-filers$175KCleanFiber Inc.Oct 2025 · 14 co-filers$27.5MCleanFiber Inc.Oct 2025 · 14 co-filers$34.0MCantillon Global Equity FundSep 2025 · 14 co-filersTHINKING CAPITAL GROUP LPMar 2025 · 8 co-filersLQR House Inc.Jan 2025 · 20 co-filers$22.8MLQR House Inc.Jan 2025 · 20 co-filers$22.8MCantillon Global Equity FundSep 2024 · 14 co-filersCantillon Global Equity FundSep 2023 · 13 co-filersSouthern Endeavor, LPJul 2023 · 10 co-filersCantillon Global Equity FundSep 2022 · 13 co-filersSouthern Endeavor, LPJul 2022 · 10 co-filersSW-B. Riley Retail Opportunity Fund, LLCJul 2022 · 11 co-filers$37.5MValkyrie Investments Inc.Mar 2022 · 32 co-filers$20.0MValkyrie Investments Inc.Mar 2022 · 32 co-filers$20.0MSW-B. Riley Retail Opportunity Fund, LLCFeb 2022 · 11 co-filers$40.0MOne River Digital Asset Management ,LLCSep 2021 · 5 co-filers$40.9MSW-B. Riley Retail Opportunity Fund, LLCSep 2021 · 9 co-filers$40.0MCantillon Global Equity FundSep 2021 · 13 co-filersOne River Digital Asset Management ,LLCSep 2021 · 5 co-filers$40.9MSouthern Endeavor, LPApr 2021 · 8 co-filersSouthern Endeavor, LPApr 2021 · 8 co-filersTopCourt, Inc.Jan 2021 · 11 co-filers$6.0M

Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See James in the interactive graph →