Investor · New York, NY

Harrison I. Sitomer

Open Harrison in the network graph →

Filings

5

SEC Form D

Connections

11

co-filers

Capital

$1.1B

across filings

Active

Nov 2024

to Nov 2025

Most-connected co-filers (11)

Matthew J. Diliberto · New York, NY5 shared Marc S. Holliday · New York, NY4 shared Andrew S. Levine · New York, NY4 shared G. Haslett · New York, NY3 shared Steven J. Durels · New York, NY1 shared Jason J. Alderman · New York, NY1 shared Andrew S. Levine · New York, NY1 shared Marc A. Holliday · New York, NY1 shared Takahiko J. Raijo · Minato-ku, Tokyo, M01 shared Heeyoung J. Shin · Jeonju-si, Jeollabuk-do, M41 shared T. Williams · New York, NY1 shared

Recent filings (5)

SLG Opportunistic Debt Fund LPNov 2025 · 3 co-filers SLG Opportunistic Debt Parallel Fund LPNov 2025 · 3 co-filers One Vanderbilt Mezz LLCDec 2024 · 11 co-filers$125K SLG Opportunistic Debt Parallel Fund LPNov 2024 · 4 co-filers SLG Opportunistic Debt Fund LPNov 2024 · 4 co-filers

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