Investor · Dallas, TX
William G. Neisel
Open William in the network graph →Filings
96
SEC Form D
Connections
351
co-filers
Capital
$1.0B
across filings
Active
Jul 2017
to Oct 2025
Most-connected co-filers (351)
Robert W. Sperry · Dallas, TX54 sharedAndrew S. Rosen · Dallas, TX51 sharedDavid W. Knickel · Dallas, TX42 sharedDaniel J. Hopkin · Dallas, TX40 sharedKevin E. Elliott · Dallas, TX38 sharedSarah A. Bradley · Dallas, TX28 sharedDavid S. Gassko · Dallas, TX27 sharedJay J. Desai · Dallas, TX25 sharedJeffrey L. Moredock · Dallas, TX20 sharedKevin J. Faust · Dallas, TX17 sharedNirav B. Shah · Dallas, TX17 sharedChristopher Fashek · Elmsford, NY15 sharedSatish U. Patel · Dallas, TX15 sharedJody Rebak · Vancouver, British Columbia, Canada15 sharedDietrich Shirley · Vancouver, British Columbia, Canada15 sharedYongquan Bi · BEIJING, Israel15 sharedJijun Hu · BEIJING, Israel15 sharedMatthew B. Oppenheimer · Seattle, WA15 sharedRon B. Shah · Seattle, WA15 sharedPhilip Riese · Seattle, WA15 sharedSusanna Morgan · Seattle, WA15 sharedCharles B. Stonecipher · Bellevue, WA15 sharedArlene L. Morris · Cambridge, MA15 sharedJessica L. Sachs · Cambridge, MA15 shared
Recent filings (96)
A Plus Fund, L.L.C.Feb 2026 · 4 co-filersMuenster Milling Holdings LPOct 2025 · 22 co-filersA Plus Fund, Ltd.Jul 2025 · 14 co-filersTAP Fund, Ltd. - TAP Strategy PortfolioJul 2025 · 14 co-filersTAP CommodityBuilder Fund, L.L.C.Jul 2025 · 14 co-filersDJF CommodityBuilder Fund, L.L.C.Jul 2025 · 14 co-filersARGA Emerging Markets Equity Fund, a series of ARGA Funds TrustJul 2025 · 7 co-filersTAP Fund, L.L.C. (The TAP Strategy)May 2025 · 14 co-filersETAP Fund, L.L.C.May 2025 · 14 co-filersGreshamQuant SAFI Fund, L.L.C.Apr 2025 · 14 co-filersGreshamQuant SAFI Fund, Ltd.Apr 2025 · 14 co-filersA Plus Fund, L.L.C.Feb 2025 · 14 co-filersKainos GF Holdings LPJan 2025 · 29 co-filersKainos GF Holdings LPJan 2025 · 29 co-filersKainos GF Holdings Feeder LPJan 2025 · 29 co-filersKainos GF Holdings Feeder LPJan 2025 · 29 co-filersKM Blocker Corp.Jan 2025 · 29 co-filersKainos NS Holdings LPJan 2025 · 29 co-filersARGA Emerging Markets Equity Fund, a series of ARGA Funds TrustJul 2024 · 7 co-filersPrometheus Therapeutics Inc.Jun 2024 · 11 co-filers$8.4MPrometheus Therapeutics Inc.Apr 2024 · 11 co-filers$8.4MKC Colorado Premium Holdings LPFeb 2024 · 20 co-filersWhisps Holdings LPJan 2024 · 35 co-filersKM Blocker Corp.Jan 2024 · 35 co-filersARGA Emerging Markets Equity Fund, a series of ARGA Funds TrustJul 2023 · 6 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See William in the interactive graph →