Investor · Los Angeles, CA
Mark M. Hedstrom
Open Mark in the network graph →Filings
167
SEC Form D
Connections
370
co-filers
Capital
$2.3B
across filings
Active
Jun 2014
to Nov 2025
Most-connected co-filers (370)
Ronald M. Sanders · New York, NY127 sharedRichard B. Saltzman · New York, NY126 sharedDavid A. Palame · New York, NY111 sharedDarren J. Tangen · Los Angeles, CA89 sharedThomas J. Barrack, Jr · Los Angeles, CA84 sharedAllen V. Bernardo · Grand Cayman, Cayman Islands77 sharedJohn R. Silverman · Cincinnati, OH77 sharedMichael W. Vranos · Old Greenwich, CT76 sharedJason A. Cheng · Hong Kong, Hong Kong76 sharedHai M. Tran · Reston, VA66 sharedJames L. Gibbons · Hamilton, Bermuda66 sharedLaurence W. Penn · Old Greenwich, CT66 sharedAndrea R. Nelson · Minneapolis, MN64 sharedJonathan H. Grunzwieg · LOS ANGELES, CA61 sharedPaul Beeston · Toronto, Ontario, Canada58 sharedWilfred Gobert · Calgary, Alberta, Canada58 sharedNancy Lockhart · Toronto, Ontario, Canada58 sharedJeffrey Moody · Toronto, Ontario, Canada58 sharedVirginia A. Davis · Toronto, Ontario, Canada57 sharedPierre-Andre Themens · Westmount, Quebec, Canada57 sharedStephen Halperin · Toronto, Ontario, Canada53 sharedPeter A. Zaltz · Toronto, Ontario, Canada47 sharedDavid Morris · Thornhill, Ontario, Canada47 sharedJim Bantis · Toronto, Ontario, Canada47 shared
Recent filings (167)
Columbia XIG Co-Invest, L.P.Nov 2025 · 17 co-filersColumbia Centra Co-Invest, L.P.Jun 2025 · 17 co-filersColumbia Spectrum Partners VI-B, L.P.Apr 2025 · 20 co-filers$3.2BColumbia Spectrum Partners VI-A, L.P.Sep 2024 · 20 co-filers$3.2BColumbia SIG CV, L.P.Aug 2024 · 18 co-filersColumbia Tract Partners I-A, L.P.Dec 2023 · 16 co-filers$1.0BColumbia Capital Equity Partners VIII-A, L.P.Dec 2023 · 16 co-filers$654.7MColumbia Capital Equity Partners VIII-B, L.P.Dec 2023 · 16 co-filers$654.7MColumbia Capital Opportunities Fund I-B, L.P.Dec 2023 · 16 co-filers$350.0MColumbia Capital Opportunities Fund I-A, L.P.Dec 2023 · 16 co-filers$350.0MColumbia Tract Partners I-A, L.P.Dec 2022 · 22 co-filers$1.0BColumbia Capital Opportunities Fund I-B, L.P.Aug 2022 · 22 co-filers$350.0MColumbia Capital Opportunities Fund I-A, L.P.Aug 2022 · 22 co-filers$350.0MColumbia Capital Equity Partners VIII-A, L.P.Aug 2022 · 22 co-filers$650.0MColumbia Capital Equity Partners VIII-B, L.P.Aug 2022 · 22 co-filers$650.0MHigh Band Holdings, LLCMar 2022 · 8 co-filersColumbia Spectrum Partners V-A, L.P.Jul 2021 · 18 co-filers$1.8BSILVER RANGE RESOURCES LTDMar 2021 · 23 co-filers$130KMB Spectrum Holdings, LLCOct 2020 · 8 co-filersColumbia Spectrum Partners IV-A, L.P.Oct 2020 · 18 co-filers$1.0BSILVER RANGE RESOURCES LTDApr 2020 · 23 co-filers$43KCIB Bulk 2018 REIT, LLCJan 2020 · 13 co-filers$125KCIB Bulk 2018 REIT, LLCJan 2020 · 13 co-filers$125KColumbia Spectrum Partners III-A, L.P.Sep 2019 · 10 co-filers$200.0MROCKHAVEN RESOURCES LTDSep 2019 · 19 co-filers$178K
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Mark in the interactive graph →