Investor · Greenwich, CT

Douglas R. Jamieson

Open Douglas in the network graph →

Filings

148

SEC Form D

Connections

318

co-filers

Capital

$3.6B

across filings

Active

Dec 2020

to Nov 2025

Most-connected co-filers (318)

Gabelli Securities, Inc · Rye, NY35 shared Michael H. Siemer · CHICAGO, IL30 shared Gabelli & Company Investment Advisers, Inc · Greenwich, CT29 shared Michael E. Morin · Grand Rapids, MI27 shared Nathan E. Owen · Grand Rapids, MI27 shared Sherwin N. Jarol · CHICAGO, IL26 shared Gabelli & Partners, LLC · Rye, NY23 shared Alphadyne Asset Management, Pte. Ltd · New York, NY23 shared David I. Schamis · New York, NY22 shared Amc Fund Mgp LP · New York, NY22 shared James Currier · San Francisco, CA18 shared Darren D. Hite · Palo Alto, CA18 shared Raffaele R. Rocco · Rye, NY17 shared Eileen R. Digoia · Greenwich, CT14 shared Brendan Carroll · CHICAGO, IL13 shared Richard Levy · CHICAGO, IL13 shared John R. Riccio · Greenwich, CT11 shared John Birch · Greenwich, CT11 shared Jeffrey A. Miller · San Francisco, CA11 shared Michael Gabelli · Greenwich, CT11 shared Meredith Kaloogian · ENCINITAS, CA11 shared Patrick J. Guarino · Greenwich, CT11 shared Scott E. Dakers · Grand Cayman, Cayman Islands11 shared Onex Credit Partners, LLC · Englewood Cliffs, NJ10 shared

Recent filings (148)

GABELLI INTERMEDIATE CREDIT FUND, LTD.Nov 2025 · 3 co-filers Gabelli Associates LTDNov 2025 · 4 co-filers GABELLI ASSOCIATES LTD II ENov 2025 · 4 co-filers GABELLI ASSOCIATES LTD II ENov 2024 · 5 co-filers Gabelli Associates LTDNov 2024 · 5 co-filers GABELLI INTERMEDIATE CREDIT FUND, LTD.Nov 2024 · 4 co-filers GABELLI ASSOCIATES LTD II EDec 2023 · 4 co-filers GABELLI INTERMEDIATE CREDIT FUND, LTD.Dec 2023 · 3 co-filers Gabelli Associates LTDDec 2023 · 4 co-filers MediSix Therapeutics, Inc.Aug 2023 · 11 co-filers$22.5M Gabelli Associates LTDDec 2022 · 4 co-filers GABELLI ASSOCIATES LTD II EDec 2022 · 4 co-filers GABELLI INTERMEDIATE CREDIT FUND, LTD.Dec 2022 · 3 co-filers Gabelli Associates LTDDec 2021 · 4 co-filers GABELLI ASSOCIATES LTD II EDec 2021 · 4 co-filers GABELLI INTERMEDIATE CREDIT FUND, LTD.Dec 2021 · 3 co-filers MediSix Therapeutics, Inc.Apr 2021 · 13 co-filers$22.0M GABELLI INTERMEDIATE CREDIT FUND, LTD.Dec 2020 · 7 co-filers GABELLI ASSOCIATES LTD II EDec 2020 · 3 co-filers Gabelli Associates LTDDec 2020 · 4 co-filers GABELLI INTERMEDIATE CREDIT FUND, LTD.Dec 2020 · 7 co-filers GABELLI INTERMEDIATE CREDIT FUND, LTD.Dec 2019 · 11 co-filers GABELLI ASSOCIATES LTD II EDec 2019 · 8 co-filers Gabelli Associates LTDDec 2019 · 8 co-filers Target 3 Fund, LPAug 2019 · 3 co-filers

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