Investor · Norwell, MA
William M. Noonan
Open William in the network graph →Filings
46
SEC Form D
Connections
106
co-filers
Capital
$1.1B
across filings
Active
Jan 2013
to Apr 2025
Most-connected co-filers (106)
Philip M. Noonan · Norwell, MA46 sharedContravisory Llc · Hingham, MA21 sharedContravisory Llc · Hingham, MA21 sharedContravisory Llc · Norwell, MA18 sharedDavid M. Canal · Norwell, MA14 sharedAlexander Lasagna · Dublin, Ireland13 sharedMark M. Moore · San Francisco, CA13 sharedAlexander Captain · Greenwich, CT13 sharedRichard Reincke · Jacksonville, FL13 sharedAlexander Chalmers · NEW YORK, NY13 sharedMichael Teich · NEW YORK, NY13 sharedGiridhar M. Reddy · Northfield, NJ13 sharedKathryn D. Mayne · London, United Kingdom13 sharedDavid P. Smilow · New York, NY13 sharedAndrew N. Galloway · Grand Cayman, Cayman Islands13 sharedMetacapital Management, LLC · New York, NY13 sharedLillian Garcia · Jacksonville, FL13 sharedHerring Creek Capital Management, LLC · Stamford, CT13 sharedJoshua D. Freeman · San Francisco, CA12 sharedJon M. Roller · San Francisco, CA12 sharedKathleen M. Murphy · San Francisco, CA12 sharedDu M. Chai · San Francisco, CA12 sharedAlfred J. Giuffrida · San Francisco, CA12 sharedLance M. Cottrill · San Francisco, CA12 shared
Recent filings (46)
RPCA Opportunistic Financial Ventures L.P.Oct 2025 · 5 co-filersRPCA Financial Ventures QP L.P.Oct 2025 · 5 co-filersRPCA Financial Ventures L.P.Oct 2025 · 5 co-filersCONTRAVISORY FUND LPApr 2025 · 8 co-filersCONTRAVISORY FUND LPApr 2024 · 8 co-filersCONTRAVISORY FUND LPApr 2023 · 8 co-filersCONTRAVISORY FUND LPApr 2022 · 8 co-filersHorsley Bridge Growth 13, L.P.Jul 2021 · 30 co-filers$500.0MHorsley Bridge Venture 14, L.P.Jul 2021 · 27 co-filers$1.8BHorsley Bridge Venture 14 Plus, L.P.Jul 2021 · 27 co-filers$250.0MCONTRAVISORY FUND LPApr 2021 · 8 co-filersCONTRAVISORY FUND LPDec 2020 · 8 co-filersHorsley Bridge Strategic Fund IV, L.P.May 2020 · 28 co-filers$250.0MCONTRAVISORY FUND LPApr 2020 · 8 co-filersContravisory Long-Short Opportunities, L.P.Jan 2020 · 11 co-filersHorsley Bridge Strategic Fund III, L.P.Oct 2019 · 31 co-filers$100.0MHorsley Bridge XIII Venture, L.P.May 2019 · 28 co-filers$1.6BCONTRAVISORY FUND LPApr 2019 · 8 co-filersContravisory Long-Short Opportunities, L.P.Jan 2019 · 11 co-filersSEP STRATEGIC ADVISERS FUND III L.P.Dec 2018 · 20 co-filersSEP-HEARTLAND FUND III CO-INVEST L.P.Dec 2018 · 20 co-filers$21.3MSUMERU EQUITY PARTNERS FUND III L.P.Nov 2018 · 20 co-filers$600.0MHorsley Bridge XII Growth Buyout, L.P.Apr 2018 · 28 co-filers$600.0MCONTRAVISORY FUND LPApr 2018 · 8 co-filersContravisory Long-Short Opportunities, L.P.Jan 2018 · 11 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See William in the interactive graph →