Investor · South San Francisco, CA
William J. Rieflin
Open William in the network graph →Filings
53
SEC Form D
Connections
222
co-filers
Capital
$237.1M
across filings
Active
Feb 2018
to Jan 2025
Most-connected co-filers (222)
David Goeddel · San Francisco, CA23 sharedMchenry T. Tichenor, Jr · Dallas, TX21 sharedNew Peak Capital Cayman LP · Grand Cayman, Cayman Islands19 sharedDavid V. Schnell · Palo Alto, CA17 sharedLinda J. Kozick · South San Francisco, CA17 sharedMartin S. Lang · Grand Cayman, Cayman Islands15 sharedNew Peak Capital Partners LLP · London, United Kingdom15 sharedBrian Wong · South San Francisco, CA15 sharedGrant S. Jackson · Grand Cayman, Cayman Islands15 sharedGregory W. Link · GRAND CAYMAN, Cayman Islands15 sharedJohn L. Mullins · Houston, TX9 sharedRussell L. Sherrill · Houston, TX9 sharedZahra Kassam · Jamaica Plain, MA9 sharedWilliam F. Ho · South San Francisco, CA8 sharedDirk F. Brockstedt · South San Francisco, CA8 sharedDeanna J. Derrick · GRAND CAYMAN, Cayman Islands7 sharedJessica Davis · New York, NY7 sharedIan Horvath · Tempe, AZ7 sharedCaledonia (Private) Investments Pty Limited · Sydney NSW, Channel Islands7 sharedBernard Stanton · Sydney NSW, Channel Islands7 sharedChristine A. Fletcher · Grand Cayman, Cayman Islands7 sharedChenavari Credit Partners LLP · London, United Kingdom7 sharedMichael F. Giordano · South San Francisco, CA7 sharedCaledonia (Private) Investments Pty Limited · Sydney NSW, Channel Islands7 shared
Recent filings (53)
RAPT Therapeutics, Inc.Jan 2025 · 29 co-filers$150.0MNGM Bio Holdings, Inc.Jul 2024 · 25 co-filers$122.0MNGM Bio Holdings, Inc.Jul 2024 · 25 co-filers$122.0MLycia Therapeutics, Inc.May 2024 · 13 co-filers$106.6MLycia Therapeutics, Inc.May 2024 · 13 co-filers$106.6MCALEDONIA FUND LTD.Feb 2024 · 12 co-filersCALEDONIA FUND LTD.Feb 2023 · 12 co-filersRAPT Therapeutics, Inc.Jun 2022 · 29 co-filers$50.0MCALEDONIA FUND LTD.Feb 2022 · 12 co-filersLycia Therapeutics, Inc.Sep 2021 · 11 co-filers$70.1MLycia Therapeutics, Inc.Sep 2021 · 11 co-filers$70.1MCALEDONIA FUND LTD.Feb 2021 · 12 co-filersCALEDONIA FUND LTD.Feb 2020 · 12 co-filersRAPT Therapeutics, Inc.Jun 2019 · 27 co-filers$67.1MCALEDONIA FUND LTD.Feb 2019 · 12 co-filersFLX Bio, Inc.Jan 2019 · 13 co-filers$35.0MFLX Bio, Inc.Jan 2019 · 13 co-filers$35.0MAlternate Health Corp.Oct 2018 · 23 co-filers$300KAlternate Health Corp.Sep 2018 · 15 co-filers$1.9MAlternate Health Corp.Feb 2018 · 26 co-filers$46KCALEDONIA FUND LTD.Feb 2018 · 12 co-filersAlternate Health Corp.Feb 2018 · 26 co-filers$571KAlternate Health Corp.Feb 2018 · 26 co-filers$352KNEW PEAK ENHANCED FUND LTDJan 2018 · 13 co-filersNew Peak Enhanced Fund LPJan 2018 · 12 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See William in the interactive graph →