Investor · MIAMI, FL

Isaac Marcushamer

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Filings

9

SEC Form D

Connections

56

co-filers

Capital

$220K

across filings

Active

Jan 2023

to Oct 2025

Most-connected co-filers (56)

Alex Horn · Miami, FL9 shared Wesley A. Gottesman · San Francisco, CA7 shared David A. Pickerell · San Francisco, CA5 shared Daniel Stahl · Miami, FL5 shared Jon Gitman · MIAMI, FL4 shared Ruth A. Beyer · PORTLAND, OR3 shared Christopher M. Graff · Chicago, IL3 shared Marc D. Hamburg · PORTLAND, OR3 shared Brandon M. Wilson · Austin, TX3 shared Maher M. Harb · Chicago, IL3 shared David Ripley · Cheyenne, WY3 shared Thanh Luu · Cheyenne, WY3 shared Todd A. Combs · PORTLAND, OR3 shared Jesse Powell · Cheyenne, WY3 shared Shawn R. Hagel · PORTLAND, OR3 shared Kirk J. Pulley · PORTLAND, OR3 shared Mark Donegan · PORTLAND, OR3 shared Alison Davis · Cheyenne, WY3 shared Alan J. Power · PORTLAND, OR3 shared Warren E. Buffett · PORTLAND, OR2 shared James Reynolds, Jr · Chicago, IL2 shared Abali Hoilett · Grand Cayman, Cayman Islands2 shared Earvin Johnson · Chicago, IL2 shared Matthew Bryson · Boston, MA2 shared

Recent filings (9)

FI Real Estate Fund Three LPJan 2026 · 2 co-filers BI Credit Fund V REIT LLCOct 2025 · 11 co-filers$125K BI Credit Fund V REIT LLCOct 2025 · 11 co-filers$125K BI Credit Fund V REIT LLCMay 2025 · 11 co-filers$125K BI Credit Fund V REIT LLCMay 2025 · 11 co-filers$125K FI Real Estate Fund Three LPJan 2025 · 8 co-filers PRECISION CASTPARTS CORPJan 2025 · 25 co-filers JLC Infrastructure Fund II L.P.Jan 2024 · 23 co-filers PRECISION CASTPARTS CORPJan 2024 · 26 co-filers JLC Infrastructure Fund II L.P.Jan 2023 · 23 co-filers PRECISION CASTPARTS CORPJan 2023 · 25 co-filers

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