Investor · Newton, MA

Elizabeth Porter

Open Elizabeth in the network graph →

Filings

13

SEC Form D

Connections

72

co-filers

Capital

$5.1M

across filings

Active

Jul 2019

to Dec 2025

Most-connected co-filers (72)

Conrad Swanson · VANCOUVER, British Columbia, Canada10 shared Jon T. Patty · Reston, VA7 shared Vincent S. Maddi · New York, NY7 shared Robert J. Meschi · George Town, Cayman Islands7 shared Philip M. Darivoff · New York, NY7 shared Rehan M. Virani · New York, NY7 shared Anthony M. Abate · Reston, VA7 shared Mirco R. Elias · New York, NY7 shared Ben M. Fooshee · New York, NY7 shared Shawn M. Brennan · New York, NY7 shared Abali Hoilett · Grand Cayman, Cayman Islands7 shared Douglas Kim · Wellesley Hills, MA6 shared Todd Strayer · Toledo, OH5 shared Yuval Baror · Boston, MA5 shared Michael Block · New York, NY5 shared Sir Capital Management, L.P · New York, NY4 shared Sir Capital Management, L.P · New York, NY4 shared Sir Capital Management, L.P · New York, NY4 shared Brian F. Gavin · New York, NY3 shared Peter D. Koffler · New York, NY3 shared John Lippert · West Valley City, UT3 shared Huy M. Do · West Valley City, UT3 shared Brendan W. Lake · West Conshohocken, PA3 shared John D. Mccormick · New York, NY3 shared

Recent filings (13)

STANDARD INVESTMENT RESEARCH ENERGY OPPORTUNITIES OVERSEAS FUND, LTD.Dec 2025 · 15 co-filers STANDARD INVESTMENT RESEARCH ENERGY OPPORTUNITIES OVERSEAS FUND, LTD.Jan 2025 · 15 co-filers STANDARD INVESTMENT RESEARCH ENERGY OPPORTUNITIES OVERSEAS FUND, LTD.Jan 2024 · 15 co-filers STANDARD INVESTMENT RESEARCH ENERGY OPPORTUNITIES OVERSEAS FUND, LTD.Jan 2023 · 16 co-filers STANDARD INVESTMENT RESEARCH ENERGY OPPORTUNITIES OVERSEAS FUND, LTD.Jan 2022 · 16 co-filers Riff Learning, Inc.Jun 2021 · 8 co-filers$2.4M Riff Learning, Inc.Apr 2021 · 8 co-filers$2.4M Riff Learning, Inc.Apr 2021 · 8 co-filers$1.5M STANDARD INVESTMENT RESEARCH ENERGY OPPORTUNITIES OVERSEAS FUND, LTD.Jan 2021 · 16 co-filers NUMBER HOLDINGS, INC.Jun 2020 · 38 co-filers$10.0M STANDARD INVESTMENT RESEARCH ENERGY OPPORTUNITIES OVERSEAS FUND, LTD.Jan 2020 · 16 co-filers NUMBER HOLDINGS, INC.Jan 2020 · 41 co-filers NUMBER HOLDINGS, INC.Jul 2019 · 25 co-filers$176.9M

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