Investor · Grand Cayman, Cayman Islands
B.P. Martiuk
Open B.P. in the network graph →Filings
22
SEC Form D
Connections
46
co-filers
Capital
$225.6M
across filings
Active
Oct 2019
to Sep 2025
Most-connected co-filers (46)
Adrian De Valois-Franklin · Toronto, Ontario, Canada16 sharedMark Fagan · Grand Cayman, Cayman Islands11 sharedCraig Sullivan · Chapel Hill, NC10 sharedCastle Ridge Asset Management Limited · Toronto, Ontario, Canada10 sharedMatthew M. Leffler · Chicago, IL10 sharedCastle Ridge Ltd · Grand Cayman, Cayman Islands10 sharedVincent Palmieri · Durham, NC10 sharedDouglas Krafte · Durham, NC10 sharedOleksandr Soroka · Menlo Park, CA6 sharedRita Sawyer · Chicago, IL6 sharedMario Vetro · VANCOUVER, British Columbia, Canada6 sharedAlexander Pattis · New York, NY6 sharedBlake Martensen · FORT WORTH, TX6 sharedLuke R. Wood · Austin, TX6 sharedRobert E. Long Iii · Raleigh, NC6 sharedRyan Levy · Chicago, IL6 sharedLouise F. Brady · Greensboro, NC6 sharedNicholas Goggans · FORT WORTH, TX6 sharedTom Tercek · FORT WORTH, TX6 sharedBetsy Cohen · Philadelphia, PA6 sharedKeith Spears · San Francisco, CA5 sharedKarl O'Reilly · Grand Cayman, Cayman Islands5 sharedDavid S. Barlow · Boston, MA5 sharedAlan S. Cross · Boston, MA5 shared
Recent filings (22)
Psy Therapeutics, Inc.Sep 2025 · 20 co-filers$20.4MCastle Ridge Apex International Ltd.Feb 2025 · 11 co-filersCastle Ridge Apex LPFeb 2025 · 14 co-filersPsy Therapeutics, Inc.Aug 2024 · 20 co-filers$20.4MCastle Ridge Apex LPFeb 2024 · 14 co-filersCastle Ridge Apex International Ltd.Feb 2024 · 11 co-filersPsy Therapeutics, Inc.Aug 2023 · 17 co-filers$20.4MCastle Ridge Market Neutral International Ltd.Apr 2023 · 11 co-filersCastle Ridge Market Neutral LPFeb 2023 · 14 co-filersPumpJack Dataworks, Inc.Dec 2022 · 10 co-filers$5.0MCastle Ridge Market Neutral International Ltd.Apr 2022 · 11 co-filersPumpJack Dataworks, Inc.Mar 2022 · 8 co-filers$1.8MCastle Ridge Market Neutral LPMar 2022 · 14 co-filersPsy Therapeutics, Inc.Dec 2021 · 17 co-filers$20.4MPumpJack Dataworks, Inc.Nov 2021 · 8 co-filers$3.0MPumpJack Dataworks, Inc.Jun 2021 · 8 co-filers$1.3MCastle Ridge Market Neutral International Ltd.Apr 2021 · 11 co-filersCastle Ridge Market Neutral LPMar 2021 · 14 co-filersPumpJack Dataworks, Inc.Oct 2020 · 8 co-filers$300KPumpJack Dataworks, Inc.Oct 2019 · 8 co-filers$1.2MPsy Therapeutics, Inc.Oct 2019 · 12 co-filers$4.3MCASTLE RIDGE (US), LPMay 2019 · 5 co-filersCASTLE RIDGE (US), LPMay 2019 · 5 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See B.P. in the interactive graph →