Investor · Melville, NY

Mark Leventhal

Open Mark in the network graph →

Filings

35

SEC Form D

Connections

118

co-filers

Capital

$7.5M

across filings

Active

Nov 2017

to Feb 2025

Most-connected co-filers (118)

Daniel Millman · MELVILLE, NY23 shared Philip Gordon · Seattle, WA10 shared Mathis Shinnick · Albuquerque, NM10 shared Benjamin Booker · New York, NY10 shared David J. Weild Iv · Westport, CT9 shared John Joseph · Nashua, NH9 shared Patricia Ives · New York, NY9 shared Chip F. Dempsey · Chicago, IL9 shared Jim Burke · Boulder, CO9 shared Robert Vrij · Dallas, TX9 shared Matthew Sechrest · San Francisco, CA9 shared Providence Equity Gp Viii L.P · Providence, RI8 shared Providence Equity Gp Viii L.P · Providence, RI8 shared Gary Peiser · Chicago, IL7 shared John C. Hahn · Providence, RI6 shared Peter O. Wilde · Boston, MA6 shared Roman A. Bejger · HOUSTON, TX6 shared Marc O. Puglia · Boston, MA6 shared Christina Rene · New York, NY6 shared Matthew Williams · Albuquerque, NM6 shared Michael J. Dominguez · Providence, RI6 shared Jonathan M. Nelson · Providence, RI6 shared Brian J. Gaffney · New York, NY5 shared Peter Hardy · Hamilton, Bermuda5 shared

Recent filings (35)

Noblestone Credit Select II LLCDec 2025 · 3 co-filers$25.0M Noblestone Credit Select II LLCDec 2025 · 3 co-filers$25.0M Noblestone Credit Select LLCFeb 2025 · 4 co-filers$25.0M Noblestone Amberlund LLCJan 2024 · 4 co-filers$717K Noblestone Putnam LLCOct 2023 · 4 co-filers$1.5M Noblestone Putnam LLCOct 2023 · 4 co-filers$1.5M Peachstone Rockford, LLCJul 2023 · 5 co-filers$1.9M Innovu, Inc.Dec 2022 · 19 co-filers$6.5M Innovu, Inc.Mar 2022 · 19 co-filers$10.0M Innovu, Inc.Jun 2021 · 18 co-filers$4.1M NOBLESTONE OZ FUND, LLCMar 2021 · 5 co-filers$500K NOBLESTONE OX FUND, LLCMar 2021 · 5 co-filers$500K 26700 Lahser, LLCJan 2021 · 6 co-filers$3.5M Innovu, Inc.Apr 2020 · 19 co-filers$8.0M eyeBrain Medical, Inc.Mar 2020 · 22 co-filers$24.0M Noblestone Real Estate Opportunities Fund, LLCFeb 2020 · 7 co-filers$10.0M Noblestone Real Estate Opportunities Fund, LLCFeb 2020 · 7 co-filers$10.0M eyeBrain Medical, Inc.Dec 2019 · 20 co-filers$24.0M Innovu, Inc.Oct 2019 · 22 co-filers$6.1M MADISON DEARBORN CAPITAL PARTNERS VIII-C, L.P.Oct 2019 · 23 co-filers$4.5B MADISON DEARBORN CAPITAL PARTNERS VIII-C, L.P.Oct 2019 · 23 co-filers$4.5B eyeBrain Medical, Inc.Aug 2019 · 13 co-filers$24.0M Providence Equity Partners VIII-A L.P.Jul 2019 · 13 co-filers Providence Sedona Co-Investment L.P.May 2019 · 23 co-filers Providence Equity Operating Partners VIII L.P.Dec 2018 · 20 co-filers

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