Investor · Dallas, TX
Matt Miller
Open Matt in the network graph →Filings
23
SEC Form D
Connections
148
co-filers
Capital
—
across filings
Active
Jul 2024
to Sep 2025
Most-connected co-filers (148)
Thad Darden · Dallas, TX16 sharedJohn B. Howard · Greenwich, CT15 sharedDaniel P. Caruso · Durango, CO10 sharedSuhrid Mantravadi · DALLAS, TX9 sharedWesley Adams · Lander, WY8 sharedKatelyn H. Lacerda · New York, NY6 sharedRobert J. Sullivan Iii · Naples, FL6 sharedPeggy J. Lamb · Naples, FL6 sharedPatrick G. George · Naples, FL6 sharedKatherine G. Sproul · Naples, FL6 sharedDean H. Vanech · New York, NY6 sharedSteven J. Iannaccone · Naples, FL6 sharedKristen H. Sullivan · New York, NY6 sharedFrederick H. Unger · New York, NY6 sharedMichael Rego · New York, NY6 sharedJameel Kassam · LONDON, United Kingdom4 sharedGustavo Lau · LONDON, United Kingdom4 sharedKevin M. Jackson · NEW CANAAN, CT4 sharedKen W. Jett · Houston, TX4 sharedLisa C. Newton · Houston, TX4 sharedAustin W. Drake · Houston, TX4 sharedDouglas K. Donovan · Houston, TN4 sharedJeffrey C. Hines · Houston, TX4 sharedChristopher D. Hughes · Washington, Washington, D.C.4 shared
Recent filings (23)
Grey Rock Net Zero Vault Co-Invest, LPSep 2025 · 14 co-filersGrey Rock Net Zero Vault Co-Invest II, LPSep 2025 · 14 co-filersHeadwater Ventures Fund III, LPJun 2025 · 3 co-filersHeadwater Ventures Fund III, LPJun 2025 · 3 co-filersGrey Rock Energy Fund V-C, LPOct 2024 · 6 co-filersGrey Rock Energy Fund V-B, LPOct 2024 · 6 co-filersRaintank Inc.Aug 2024 · 28 co-filers$332.8MRaintank Inc.Aug 2024 · 28 co-filers$332.8MGrey Rock Energy Fund V, LPJul 2024 · 5 co-filersGREY ROCK NET ZERO OPPORTUNITIES FUND I, LPJul 2023 · 15 co-filers$600.0MGrey Rock Net Zero Vault Co-Invest, LPApr 2023 · 14 co-filersGrey Rock Net Zero Vault Co-Invest, LPApr 2023 · 14 co-filersHREP IV TE Feeder, L.P.Mar 2023 · 19 co-filersHREP BFR (SPV), L.P.Mar 2023 · 17 co-filersHalstatt Real Estate Partners Fund IV, L.P.Mar 2023 · 19 co-filersGREY ROCK NET ZERO OPPORTUNITIES FUND I, LPJul 2022 · 15 co-filers$600.0M333 N WATER ST LLCJun 2022 · 53 co-filers$58.1MHREP BFR (SPV), L.P.Dec 2021 · 17 co-filers333 N WATER ST LLCDec 2021 · 53 co-filers$4.4MHREP IV TE Feeder, L.P.Sep 2021 · 19 co-filersHalstatt Real Estate Partners Fund IV, L.P.Sep 2021 · 19 co-filersNLG III PPO LLCSep 2021 · 47 co-filers$44.8MNLG III PPO LLCAug 2021 · 47 co-filers$44.8MGrey Rock Energy Fund II, LPJan 2016 · 7 co-filers$150.0MGrey Rock Energy Fund II, LPJan 2016 · 7 co-filers$150.0M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Matt in the interactive graph →