Investor · BOSTON, MA
William G. Winterer
Open William in the network graph →Filings
39
SEC Form D
Connections
132
co-filers
Capital
$2.8B
across filings
Active
Oct 2015
to May 2016
Most-connected co-filers (132)
David J. Ament · BOSTON, MA25 sharedAndrew G. Dodson · SAN FRANCISCO, CA18 sharedWilliam C. Kessinger · SAN FRANCISCO, CA16 sharedBrian Golson · Foothill Ranch, CA16 sharedJill P. Aiello · SAN FRANCISCO, CA10 sharedJohn Abizaid · Broomfield, CO9 sharedWilliam Ford · Broomfield, CO9 sharedAndrew L. Shafer · MADISON, WI9 sharedDaniel Swasbrook · Chicago, IL9 sharedNick Hammer · Chicago, IL9 sharedCyrus Behbehani · Broomfield, CO9 sharedJody J. Bellefleur · Vancouver, British Columbia, Canada9 sharedErin Clark · Bloomington, MN9 sharedTom Vice · Broomfield, CO9 sharedKevin J. Bottomley · Vancouver, British Columbia, Canada9 sharedThomas Wei · New York, NY9 sharedEren Ozmen · Broomfield, CO9 sharedLeo Power · Vancouver, British Columbia, Canada9 sharedFatih Ozmen · Broomfield, CO9 sharedKevin L. Barnett · MADISON, WI9 sharedAdam Krauszer · Chicago, IL9 sharedJohn J. Cunningham · Centreville, VA8 sharedLuke Vernon · Boulder, CO8 sharedAnne Canel · Luxembourg, Luxembourg8 shared
Recent filings (39)
Parthenon Kairos, L.P.Feb 2026 · 5 co-filersSpinecap Feeder Fund SCA SICAV-RAIFJun 2025 · 13 co-filersSpinecap Feeder Fund SCA SICAV-RAIFJun 2024 · 12 co-filers1798 Adapt Fund LtdDec 2023 · 9 co-filersSpinecap Feeder Fund SCA SICAV-RAIFJun 2023 · 12 co-filersParthenon Capital Executives Fund II, L.P.Apr 2023 · 17 co-filersSierra Space CorpApr 2023 · 35 co-filersParthenon Investors VII Parallel, L.P.Mar 2023 · 17 co-filersParthenon Investors VII, L.P.Mar 2023 · 17 co-filers1798 Adapt Fund LtdDec 2022 · 11 co-filersSierra Space CorpOct 2022 · 35 co-filersSierra Space CorpJul 2022 · 23 co-filersSpinecap Feeder Fund SCA SICAV-RAIFJun 2022 · 12 co-filersSierra Space CorpMay 2022 · 23 co-filersSierra Space CorpApr 2022 · 23 co-filersSierra Space CorpMar 2022 · 23 co-filersSierra Space CorpFeb 2022 · 23 co-filersSierra Space CorpFeb 2022 · 23 co-filersSierra Space CorpDec 2021 · 20 co-filers$1.4B1798 Adapt Fund LtdDec 2021 · 11 co-filersSpinecap Feeder Fund SCA SICAV-RAIFJun 2021 · 12 co-filersSpinecap Feeder Fund SCA SICAV-RAIFJun 2020 · 12 co-filersParthenon Investors VI Parallel, L.P.Dec 2019 · 17 co-filers$854.5MParthenon Investors VI, L.P.Dec 2019 · 17 co-filers$1.0BPocketzWorld Inc.Dec 2019 · 8 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See William in the interactive graph →