Investor · North Vancouver, British Columbia, Canada

Walter Berukoff

Open Walter in the network graph →

Filings

29

SEC Form D

Connections

112

co-filers

Capital

$1.2M

across filings

Active

Oct 2022

to Oct 2025

Most-connected co-filers (112)

Richard Meli · North Vancouver, British Columbia, Canada10 shared Hamish Greig · North Vancouver, British Columbia, Canada8 shared Stephen H. Mann · NORTH VANCOUVER, British Columbia, Canada8 shared Tony Young · North Vancouver, British Columbia, Canada8 shared Kevin Puil · San Francisco, CA6 shared Meltem Demirors · WILMINGTON, DE6 shared Castle Analytics Llc · Richmond, CA5 shared Christopher Leslie · New York, NY5 shared Julie A. Gilbert · Los Angeles, CA5 shared Castle Analytics Llc · Richmond, CA5 shared null Spruceview Capital Holdings, LP · Denver, CO5 shared Richard Owen · Houston, TX5 shared Neetesh J. Kumar · Denver, CO4 shared Arvind Chary · New York, NY4 shared Lawrence S. Hamelsky · Boston, MA4 shared Thomas M. Fleming · London, United Kingdom4 shared Janet Francis · Vancouver, British Columbia, Canada4 shared Daniel S. Adamany · CHICAGO, IL4 shared Matthew Sitzmann · Richmond, CA4 shared Tom Heiser · NEW YORK, NY4 shared Vladimir Ristanovic · Cheney, KS4 shared Nicholas Mussallem · Richmond, CA4 shared Etalvina S. Leite · CHICAGO, IL4 shared Mark Esiri · London, United Kingdom4 shared

Recent filings (29)

Lion One Metals Ltd.Oct 2025 · 17 co-filers Lion One Metals Ltd.Oct 2025 · 17 co-filers Lion One Metals Ltd.Feb 2025 · 17 co-filers Lion One Metals Ltd.Feb 2025 · 17 co-filers ROTUNDA CAPITAL PARTNERS FUND IV, L.P.Jan 2025 · 11 co-filers$550.0M RCP LEHMAN PIPE CO-INVEST, L.P.Aug 2024 · 11 co-filers Lion One Metals Ltd.Aug 2024 · 19 co-filers Lion One Metals Ltd.Aug 2024 · 19 co-filers AHEAD Parent Holdings, LPMay 2024 · 31 co-filers AHEAD Parent Holdings, LPFeb 2024 · 32 co-filers AHEAD Parent Holdings, LPNov 2023 · 32 co-filers Lion One Metals Ltd.May 2023 · 15 co-filers Lion One Metals Ltd.May 2023 · 15 co-filers Wholesome Spirits Inc.Feb 2023 · 2 co-filers$3.0M Wholesome Spirits Inc.Feb 2023 · 2 co-filers$4.8M AHEAD Parent Holdings, LPNov 2022 · 19 co-filers Wholesome Spirits Inc.Oct 2022 · 2 co-filers$1.2M Lion One Metals Ltd.Sep 2020 · 19 co-filers$8.5M Lion One Metals Ltd.Dec 2019 · 17 co-filers$2.0M Castle Fund Partners LPDec 2019 · 13 co-filers Castle Fund Partners LPDec 2018 · 7 co-filers Castle Funds LPDec 2018 · 7 co-filers Vedantra Pharmaceuticals, Inc.Aug 2018 · 13 co-filers$14.5M Castle Fund Partners LPJul 2018 · 9 co-filers Vedantra Pharmaceuticals, Inc.Jun 2018 · 20 co-filers$3.0M

Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Walter in the interactive graph →