Ledger.
Investor · Boston, MA

d/b/a Mad River Investors Mrm-Horizon Advisors, LLC

Open d/b/a in the network graph →
Filings
35
SEC Form D
Connections
66
co-filers
Capital
$1.2B
across filings
Active
Jul 2014
to Mar 2025

Most-connected co-filers (66)

Stephan L. Mitt · Coronado, CA22 sharedHarris Goodison · Hermosa Beach, CA22 sharedAlan Kuatt · Sebastian, FL22 sharedGwill E. York · Westport, MA22 sharedAndreas L. Schuldei · Coronado, CA22 sharedChristopher Voorpostel · Quebec, Quebec, Canada22 sharedRichard W. Silver · Boston, MA19 sharedScott O'Neill · Hollywood, CA14 sharedRobert D. Luzzi · Manchester, CT14 sharedKatherine Jaspon · Bellevue, WA12 sharedAref M. Altawam · Charleston, SC12 sharedHongdong Wang · LOS ANGELES, CA11 sharedMichael Takano · Honolulu, HI11 sharedDavid Orenstein · LOS ANGELES, CA11 sharedBrandon H. Cohen · Ocala, FL11 sharedAdam Fried · Silver Spring, MD10 sharedDamon L. Gasque · Silver Spring, MD10 sharedJoel L. Hundley · Coronado, CA8 sharedEdward Smith · Silver Spring, MD8 sharedDale J. Plunkett · Mesa, AZ8 sharedDavid Barra · Silver Spring, MD8 sharedLanx Capital, Llc · White Plains, NY8 sharedSandra F. Rorem · Mercer Island, WA8 sharedKavindi W. Wickremage · Boston, MA8 shared

Recent filings (35)

LONG POINT INVESTORS, L.P.Mar 2025 · 5 co-filersLONG POINT INVESTORS, L.P.Mar 2024 · 5 co-filersLONG POINT INVESTORS, L.P.Mar 2023 · 5 co-filersLONG POINT INVESTORS, L.P.Mar 2022 · 5 co-filersLONG POINT INVESTORS, L.P.Apr 2021 · 5 co-filersUnion Labor Life Insurance Co Separate Account W1Jul 2020 · 21 co-filersUllico Infrastructure Taxable Fund, L.P.Jul 2020 · 28 co-filersUllico Infrastructure Tax-Exempt Fund, L.P.Jul 2020 · 28 co-filersUnion Labor Life Insurance Co Separate Account CJul 2020 · 21 co-filersUnion Labor Life Insurance Co Separate Account RJul 2020 · 21 co-filersUnion Labor Life Insurance Co Separate Account CDec 2019 · 21 co-filersUllico Infrastructure Taxable Fund, L.P.Aug 2019 · 20 co-filersUnion Labor Life Insurance Co Separate Account RAug 2019 · 14 co-filersUnion Labor Life Insurance Co Separate Account W1Aug 2019 · 14 co-filersUllico Infrastructure Tax-Exempt Fund, L.P.Aug 2019 · 20 co-filersUnion Labor Life Insurance Co Separate Account W1Aug 2018 · 14 co-filersUnion Labor Life Insurance Co Separate Account RAug 2018 · 14 co-filersUllico Infrastructure Tax-Exempt Fund, L.P.Aug 2018 · 20 co-filersUllico Infrastructure Taxable Fund, L.P.Aug 2018 · 20 co-filersLONG POINT INVESTORS, L.P.Dec 2017 · 5 co-filersLong Point Offshore Fund LtdDec 2017 · 8 co-filersUnion Labor Life Insurance Co Separate Account W1Jul 2017 · 13 co-filersUllico Infrastructure Tax-Exempt Fund, L.P.Jul 2017 · 19 co-filersUllico Infrastructure Taxable Fund, L.P.Jul 2017 · 19 co-filersUnion Labor Life Insurance Co Separate Account RJul 2017 · 13 co-filers

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