Investor · Los Angeles, CA

Samuel W. Feinburg

Open Samuel in the network graph →

Filings

25

SEC Form D

Connections

68

co-filers

Capital

$306.2M

across filings

Active

Sep 2020

to Dec 2025

Most-connected co-filers (68)

Henry J. Elkus · Los Angeles, CA19 shared John Paglia · Irvine, CA15 shared Steven Denbaars · MANCHESTER, United Kingdom15 shared Kwok Hing Frederick A. Hung · Land O Lakes, FL15 shared Ernst Sack · San Francisco, CA15 shared Helena Special Investments Fund I Gp Llc · Los Angeles, CA9 shared Helena Special Investments, Llc · Los Angeles, CA9 shared Helena Special Investments Fund I Gp Llc · Los Angeles, CA9 shared Helena Special Investments Fund I Gp Llc · Los Angeles, CA9 shared Helena Special Investments, Llc · Los Angeles, CA9 shared Michael A. Mcmahon · Chicago, IL4 shared Robert Mairs · St. Paul, MN4 shared Deborah Quazzo · Chicago, IL4 shared David Blake · Alpine, UT4 shared Ian Chiu · New York, NY4 shared Jon D. Bosse · Los Angeles, CA3 shared David K. Peterson · Valencia, CA3 shared Gregory Semler · Portland, OR3 shared Edgar D. Jannotta Jr · Lowell, MA3 shared John Amboian · Chicago, IL3 shared John R. Kline · New York, NY3 shared Lori Ramirez · Houston, TX3 shared Art Coviello · Fall RIver, MA3 shared R. Brandon Tidwell · Salt Lake City, UT3 shared

Recent filings (25)

Helena Special Investments Fund II LPDec 2025 · 9 co-filers$200.0M HSI M42 SPV LPDec 2025 · 10 co-filers$30.1M HSI M42 SPV LPDec 2025 · 10 co-filers$30.1M HSI Phaidra II LLCDec 2023 · 8 co-filers$805K HSI MAPS PBC I LLCSep 2023 · 7 co-filers Degreed, Inc.Feb 2023 · 14 co-filers$50.9M HSI Fund I F&F LPDec 2022 · 10 co-filers$100.0M Helena Special Investments Fund I LPDec 2022 · 10 co-filers$100.0M HSI Twin Health II LLCAug 2022 · 10 co-filers$2.5M HSI Phaidra I LLCJul 2022 · 10 co-filers HSI CFS I LLCJun 2022 · 7 co-filers$14.5M HSI Fund I GS LPMay 2022 · 10 co-filers HSI AETHER SPV I LLCApr 2022 · 10 co-filers$1.9M HSI AETHER SPV I LLCFeb 2022 · 10 co-filers$1.5M Helena Special Investments Fund I LPDec 2021 · 10 co-filers$100.0M HSI Fund I F&F LPDec 2021 · 10 co-filers$100.0M Helena Special Investments Fund I LPSep 2021 · 10 co-filers$100.0M HSI Fund I F&F LPSep 2021 · 10 co-filers$100.0M Degreed, Inc.Jun 2021 · 19 co-filers$154.6M HSI Energy Vault I LLCApr 2021 · 9 co-filers$10.0M HSI Energy Vault I LLCApr 2021 · 9 co-filers$10.0M HSI Energy Vault I LLCApr 2021 · 9 co-filers$10.0M HSI Energy Vault I LLCApr 2021 · 9 co-filers$10.0M Degreed, Inc.Nov 2020 · 20 co-filers$47.6M RevUp Fund 2020, LLCNov 2020 · 5 co-filers$3.5M

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