Investor · New York, NY
William F. Harnisch
Open William in the network graph →Filings
48
SEC Form D
Connections
80
co-filers
Capital
$6.4B
across filings
Active
Mar 2014
to Mar 2025
Most-connected co-filers (80)
Wook F. Lee · New York, NY41 sharedRichard F. Seamans · Lexington, MA19 sharedThanasis F. Delistathis · ARLINGTON, VA19 sharedManuel M. Kadre · Atlanta, GA19 sharedRandy Hubbs · Kennewick, WA19 sharedTheodore A. Wiley · Pittsburgh, PA15 sharedJay A. Whitacre · Pittsburgh, PA15 sharedMatthew A. Miller · NEW YORK, NY5 sharedHarry Rowland · Woodridge, IL5 sharedDawn R. Griffiths · HAMILTON, Bermuda5 sharedChris S. Filiatrault · Richmond, British Columbia, Canada5 sharedDennis F. Ko · East Quogue, NY5 sharedRobert Zieserl · Chicago, IL5 sharedMartin Blencowe · Chicago, IL5 sharedMichael R. Crane · VANCOUVER, British Columbia, Canada4 sharedDonald R. Leier · VANCOUVER, British Columbia, Canada4 sharedJoel Y. Steinberg · VANCOUVER, British Columbia, Canada4 sharedMarcus L. Morton · Shreveport, LA4 sharedJon R. Schubert · VANCOUVER, British Columbia, Canada4 sharedKenneth J. Mitton · MONCTON, New Brunswick, Canada3 sharedMichel J. Bourque · MONCTON, New Brunswick, Canada3 sharedChristopher C. Bowring · Grand Cayman, Cayman Islands3 sharedClay M. Conway · Burnaby, British Columbia, Canada3 sharedWarren E. Clemans · SEATTLE, WA3 shared
Recent filings (48)
PECONIC PARTNERS INSURANCE FUND LPMar 2025 · 5 co-filersPECONIC GRENADIER FUND L.P.Mar 2025 · 5 co-filersPECONIC PARTNERS INSURANCE FUND LPMar 2024 · 5 co-filersPECONIC GRENADIER FUND L.P.Mar 2024 · 5 co-filersPECONIC PARTNERS INSURANCE FUND LPMar 2023 · 5 co-filersPECONIC GRENADIER FUND L.P.Mar 2023 · 5 co-filersPECONIC GRENADIER FUND L.P.May 2022 · 5 co-filersPECONIC PARTNERS INSURANCE FUND LPMay 2022 · 5 co-filersPECONIC PARTNERS INSURANCE FUND LPMar 2021 · 5 co-filersPECONIC GRENADIER FUND L.P.Mar 2021 · 5 co-filersPECONIC PARTNERS INSURANCE FUND LPMar 2020 · 5 co-filersPECONIC GRENADIER FUND L.P.Mar 2020 · 5 co-filersPECONIC GRENADIER FUND L.P.Mar 2019 · 5 co-filersPECONIC TRIUMPH FUND L.P.Mar 2019 · 5 co-filersPECONIC PARTNERS INSURANCE FUND LPMar 2019 · 5 co-filersNAVIGATE SURGICAL TECHNOLOGIES INC.May 2018 · 28 co-filers$102KNAVIGATE SURGICAL TECHNOLOGIES INC.May 2018 · 28 co-filers$170KPECONIC PARTNERS INSURANCE FUND LPMar 2018 · 5 co-filersPeconic Partners International Fund Ltd.Mar 2018 · 9 co-filersPECONIC GRENADIER FUND L.P.Mar 2018 · 5 co-filersPECONIC TRIUMPH FUND L.P.Mar 2018 · 5 co-filersNAVIGATE SURGICAL TECHNOLOGIES INC.Jan 2018 · 26 co-filers$641KNAVIGATE SURGICAL TECHNOLOGIES INC.Mar 2017 · 12 co-filers$51KPECONIC TRIUMPH FUND L.P.Mar 2017 · 5 co-filersPECONIC TRIUMPH FUND II L.P.Mar 2017 · 5 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See William in the interactive graph →