Investor · Houston, TX
Douglas E. Swanson Jr
Open Douglas in the network graph →Filings
36
SEC Form D
Connections
184
co-filers
Capital
$931.0M
across filings
Active
Apr 2021
to Aug 2023
Most-connected co-filers (184)
William D. Waldrip · San Antonio, TX22 sharedJason M. Delorenzo · Houston, TX16 sharedDavid J. Kurtz · Edmond, OK15 sharedRobert L. Zorich · Houston, TX15 sharedGregory C. King · San Antonio, TX14 sharedWilliam R. Lemmons, Jr · San Antonio, TX12 sharedE. M. Markham Iv · Dallas, TX12 sharedDennis F. Jaggi · Edmond, OK12 sharedD. M. Phillips · Houston, TX10 sharedGary R. Petersen · Houston, TX10 sharedDavid B. Miller · Dallas, TX9 sharedDr. Wayne Mantel · Clearwater, FL9 sharedJay Quenville · New York, NY9 sharedChristine Ponelle · Paris, I09 sharedJason Mcgann · New York, NY9 sharedMorriss L. Hurt · San Antonio, TX8 sharedPaul G. Savas · High Point, NC6 sharedDouglas Berg · New York, NY6 shared22Nw, LP · Seattle, WA6 sharedScott M. Ludwick · Wichita, KS6 sharedMark Russell · Spokane, WA6 sharedDara J. Blumenthal · New York, NY6 sharedBruce J. Edgar · New York, NY6 sharedBenjamin C. Burrus · Wichita, KS6 shared
Recent filings (36)
EnCap ET Fund III-C, SCSpFeb 2026 · 4 co-filersEnCap Energy Transition Fund III-A, L.P.Feb 2026 · 4 co-filersEnCap Energy Transition Fund III-E, L.P.Feb 2026 · 4 co-filersIron Crest, LLCFeb 2026 · 1 co-filer$15.0MEnCap Energy Capital Fund VIII MergeCo, L.P.Oct 2025 · 22 co-filersEnCap Energy Capital Fund VIII MergeCo, L.P.Oct 2025 · 22 co-filersEnCap Energy Capital Fund VIII Co-Investors MergeCo, L.P.Oct 2025 · 22 co-filersEnCap Energy Capital Fund VIII Co-Investors MergeCo, L.P.Oct 2025 · 22 co-filersElsinore Gloaming Ltd Liability CoSep 2025 · 15 co-filers$3.0MIron Crest, LLCJul 2025 · 5 co-filers$20.4MElsinore Gloaming Ltd Liability CoSep 2024 · 15 co-filers$3.0MElsinore Gloaming Ltd Liability CoSep 2023 · 13 co-filers$3.0MEnCap Flatrock Midstream Fund V-C, L.P.Aug 2023 · 41 co-filersEnCap Flatrock Midstream Fund V, L.P.Aug 2023 · 41 co-filersEnCap Flatrock Midstream Fund V-B, L.P.Aug 2023 · 41 co-filersCoapTech, Inc.Jul 2023 · 20 co-filers$5.0MCoapTech, Inc.Apr 2023 · 20 co-filers$3.0MEnCap Flatrock Midstream Fund V-C, L.P.Aug 2022 · 41 co-filersEnCap Flatrock Midstream Fund V-B, L.P.Aug 2022 · 41 co-filersEnCap Flatrock Midstream Fund V, L.P.Aug 2022 · 41 co-filersFlyover Capital Fund Index I, L.P.Apr 2022 · 14 co-filersFC SnappyKraken SPV 2022, LLCMar 2022 · 13 co-filersConnectRN, Inc.Dec 2021 · 16 co-filers$76.0MFlyover Capital Tech Fund II-QP, L.P.Aug 2021 · 10 co-filers$21.4MConnectRN, Inc.Apr 2021 · 14 co-filers$13.4M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Douglas in the interactive graph →