Investor · Bethesda, MD

R. Jacob Vogelstein

Open R. in the network graph →

Filings

39

SEC Form D

Connections

122

co-filers

Capital

$110.5M

across filings

Active

May 2018

to Feb 2024

Most-connected co-filers (122)

Don Hill · Coral Gables, FL14 shared Bruce R. Winson · Dallas, TX14 shared David Oros · Baltimore, MD10 shared Evan Rachlin · San Diego, CA9 shared Thomas Miller · San Diego, CA7 shared Karla J. Bodden · Grand Cayman, Cayman Islands6 shared Anson Funds Management Lp · Dallas, TX6 shared Tabbert Teng · San Diego, CA6 shared Anson Funds Management Lp · Dallas, TX6 shared James W. Fields · NEW YORK, NY6 shared J. D. Hunter · Grand Cayman, Cayman Islands6 shared Kenneth D. Pollinger · NEW YORK, NY6 shared Sandra E. Mackay · Vancouver, British Columbia, Canada5 shared Jon Myers · Charlottesville, VA5 shared Pat S. Bolin · Dallas, TX5 shared John R. Howard · Dallas, TX5 shared Christina Blacker · Vancouver, British Columbia, Canada5 shared William Rastetter · San Diego, CA5 shared Kurt Von Emster · MENLO PARK, CA5 shared Fred Manby · San Diego, CA5 shared Todd E. Hilditch · Vancouver, British Columbia, Canada5 shared Darcy E. Higgs · Vancouver, British Columbia, Canada5 shared Jishnu Bhattacharjee · San Francisco, CA5 shared Neil Josephson · San Diego, CA4 shared

Recent filings (39)

Voyager Investment Partnership LPMar 2026 · 2 co-filers Iambic Therapeutics, Inc.Nov 2025 · 31 co-filers$125.0M Iambic Therapeutics, Inc.Nov 2025 · 31 co-filers$125.0M Voyager Investment Partnership LPMar 2025 · 7 co-filers Iambic Therapeutics, Inc.Jun 2024 · 26 co-filers$50.0M Iambic Therapeutics, Inc.Jun 2024 · 26 co-filers$50.0M Iambic Therapeutics, Inc.May 2024 · 26 co-filers$38.0M Iambic Therapeutics, Inc.May 2024 · 26 co-filers$38.0M Iambic Therapeutics, Inc.Apr 2024 · 26 co-filers$38.0M Iambic Therapeutics, Inc.Apr 2024 · 26 co-filers$38.0M Voyager Investment Partnership LPMar 2024 · 7 co-filers NextPoint Therapeutics, Inc.Feb 2024 · 19 co-filers$42.5M NextPoint Therapeutics, Inc.Feb 2024 · 19 co-filers$42.5M Barrington Woods Townhomes LLCOct 2023 · 5 co-filers$1.3M Barrington Woods Townhomes LLCOct 2023 · 5 co-filers$1.3M Iambic Therapeutics, Inc.Oct 2023 · 25 co-filers$110.0M Iambic Therapeutics, Inc.Oct 2023 · 25 co-filers$110.0M Klingenstein Fields Venture Fund III, L.P.Aug 2023 · 9 co-filers$75.0M Anson Opportunities Offshore Fund Ltd.May 2023 · 5 co-filers Anson Investments Offshore Fund, Ltd.May 2023 · 5 co-filers Anson North Star Offshore Fund Ltd.May 2023 · 4 co-filers Anson East Offshore Fund Ltd.May 2023 · 4 co-filers Arch Anson Tactical Real Estate NR FundMay 2023 · 12 co-filers Haystack Oncology, Inc.Nov 2022 · 11 co-filers$67.0M Haystack Oncology, Inc.Nov 2022 · 11 co-filers$67.0M

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