Investor · Boston, MA

Portolan Capital Management, Llc

Open Portolan in the network graph →

Filings

27

SEC Form D

Connections

16

co-filers

Capital

—

across filings

Active

Mar 2017

to Jan 2026

Most-connected co-filers (16)

George Mccabe · North Palm Beach, FL27 shared Christopher Nardone · Boston, MA27 shared Portolan Capital Management, Llc · Boston, MA26 shared Portolan Investments, Llc · Boston, MA19 shared Portolan Investments, Llc · Boston, MA18 shared Portolan Investments, Llc · Boston, MA18 shared Betsy Flaherty · Boston, MA17 shared David Nazarian · Beverly Hills, CA11 shared Patrick W. Agemian · George Town, Grand Cayman, Cayman Islands11 shared Ivan J. Romanovsky · Houston, TX8 shared Philip R. Cater · GEORGE TOWN, GRAND CAYMAN, Cayman Islands8 shared Dave Staskin · Minneapolis, MN8 shared Christopher Staral · New Canaan, CT3 shared Maynard Hellman · Aventura, FL3 shared A. Rich · Boston, MA1 shared Jeyaseelan Abraham · North Palm Beach, FL1 shared

Recent filings (27)

Portolan Select Fund, LPJan 2026 · 4 co-filers Portolan Co-Investment Fund, LPDec 2025 · 7 co-filers Portolan Equity Fund, LPApr 2025 · 7 co-filers Portolan Select Fund, LPJan 2025 · 7 co-filers Portolan Co-Investment Fund, LPDec 2024 · 9 co-filers Portolan Equity Fund, LPApr 2024 · 7 co-filers Portolan Equity Offshore Fund, Ltd.Apr 2024 · 9 co-filers Portolan Select Fund, LPJan 2024 · 7 co-filers Portolan Equity Fund, LPApr 2023 · 7 co-filers Portolan Equity Offshore Fund, Ltd.Apr 2023 · 9 co-filers Portolan Select Fund, LPJan 2023 · 7 co-filers Portolan Equity Offshore Fund, Ltd.Apr 2022 · 9 co-filers Portolan Equity Fund, LPApr 2022 · 7 co-filers Portolan Select Fund, LPJan 2022 · 7 co-filers Portolan Equity Fund, LPApr 2021 · 7 co-filers Portolan Equity Offshore Fund, Ltd.Apr 2021 · 9 co-filers Portolan Select Fund, LPJan 2021 · 8 co-filers Portolan Equity Offshore Fund, Ltd.Apr 2020 · 8 co-filers Portolan Equity Fund, LPApr 2020 · 8 co-filers Portolan Select Fund, LPJan 2020 · 8 co-filers Portolan Equity Offshore Fund, Ltd.Apr 2019 · 8 co-filers Portolan Equity Fund, LPApr 2019 · 8 co-filers Portolan Equity Fund, LPApr 2018 · 8 co-filers Portolan Equity Offshore Fund, Ltd.Apr 2018 · 8 co-filers Portolan Equity Fund, LPMar 2017 · 8 co-filers

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