Investor · Austin, TX

William Duffy

Open William in the network graph →

Filings

26

SEC Form D

Connections

80

co-filers

Capital

—

across filings

Active

Jun 2024

to Jun 2025

Most-connected co-filers (80)

Zachariah Jamail · Austin, TX14 shared William Benjes · CONCORD, MA10 shared Robert L. Hockett · WALTHAM, MA10 shared Gaurav Gupta · Burlingame, CA10 shared Mathew W. Lustberg · New York, NY7 shared Kirk Simet · Brookings, SD7 shared Pearl Street Equity, Llc · Austin, TX7 shared Pearl Street Equity, Llc · Austin, TX7 shared Dao W. Fu · NEW YORK, NY7 shared Pearl Street Equity, Llc · Austin, TX7 shared Joe Benavides · New York, NY5 shared Covalent Capital Partners GP, LLC · Concord, MA5 shared Covalent Capital Partners GP, Inc · CONCORD, MA5 shared Cross Moceri · DALLAS, TX5 shared Yogi Patel · Smyrna, GA5 shared John D. Prologo · Smyrna, GA5 shared Parin Shah · New York, NY5 shared Brett Lamonda · CONCORD, MA4 shared Todd Martin · Arlington, VA4 shared Srdjan G. Dangubic · DARLINGHURST, NSW, Channel Islands3 shared Frank W. Busch, Iii · Dallas, TX3 shared Adrian G. Mackenzie · DARLINGHURST, NSW, Channel Islands3 shared Vikas Ranjan · Vancouver, British Columbia, Canada3 shared Thomas Colarusso · Goffstown, NH3 shared

Recent filings (26)

Covalent Capital Partners, LPSep 2025 · 11 co-filers COVALENT CAPITAL PARTNERS (OFFSHORE) L.P.Sep 2025 · 11 co-filers PSE PCF, LPJun 2025 · 6 co-filers Brookridge Pan-NOx SPV, LPJun 2025 · 6 co-filers PSE ZPM, LPNov 2024 · 7 co-filers COVALENT CAPITAL PARTNERS (OFFSHORE) L.P.Sep 2024 · 11 co-filers Covalent Capital Partners, LPSep 2024 · 11 co-filers PSE BRE, LPJun 2024 · 6 co-filers Bio-AI Health Inc.Apr 2024 · 8 co-filers$2.8M PSE SGF, LPFeb 2024 · 10 co-filers PSE SGF, LPFeb 2024 · 10 co-filers Bio-AI Health Inc.Jan 2024 · 8 co-filers$3.0M Brookridge TR SPV, LPDec 2023 · 2 co-filers PSE PNY, LPDec 2023 · 10 co-filers PSE PNY, LPDec 2023 · 10 co-filers COVALENT CAPITAL PARTNERS (OFFSHORE) L.P.Sep 2023 · 8 co-filers Covalent Capital Partners, LPSep 2023 · 8 co-filers PSE KAV, LPAug 2023 · 10 co-filers PSE MBC, LPJun 2023 · 10 co-filers$700K Emmeline Ventures Fund I, LPJun 2023 · 12 co-filers Covalent Capital Partners, LPOct 2022 · 8 co-filers COVALENT CAPITAL PARTNERS (OFFSHORE) L.P.Oct 2022 · 8 co-filers Voyager Space Holdings, Inc.Sep 2022 · 23 co-filers$95.0M Emmeline Ventures Fund I, LPJun 2022 · 12 co-filers Bio-AI Health Inc.Jun 2022 · 8 co-filers$3.0M

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