Investor · London, United Kingdom

Impax Global Resource Optimization (GP) Ltd

Open Impax in the network graph →

Filings

27

SEC Form D

Connections

68

co-filers

Capital

$2.5B

across filings

Active

Dec 2017

to Nov 2025

Most-connected co-filers (68)

Ian R. Simm · London, United Kingdom23 shared Bruce R. Jenkyn-Jones · London, United Kingdom23 shared Parent Company of General Partner David Impax Asset Management Group PLC · London, United Kingdom22 shared Charles D. Ridge · London, United Kingdom21 shared Michael Harron · Chicago, IL11 shared Van Dean · SEYMOUR, CT11 shared Stephen V. Campe · Sunnyvale, CA9 shared Matt Gorin · New York, NY8 shared Donald V. Almeida · Baltimore, MD7 shared David Levy · LAKE FOREST, CA7 shared Michael I. Greenebaum · Baltimore, MD6 shared Fred Larson · Fountain Valley, CA6 shared Michael Mohr · Los Angeles, CA6 shared Jon M. Schlegel · Denver, CO6 shared Kevin I. Mcraith · Baltimore, MD6 shared Terry Lierman · Baltimore, MD6 shared Scott Raney · San Francisco, CA6 shared Suzanne I. Clough · Baltimore, MD5 shared Maxwell I. Kahn · Whitehouse Station, NJ4 shared Kevin Bitterman · Cambridge, MA4 shared Ryan A. Sysko · Wilmington, DE4 shared Jonathan L. Strawn · Sacramento, CA3 shared Sheralyn B. Gibson · Sacramento, CA3 shared Karen R. Cockburn · London, United Kingdom3 shared

Recent filings (27)

Global Resource Optimization Fund, L.P.Nov 2025 · 4 co-filers Global Resource Optimization Fund, L.P.Nov 2024 · 6 co-filers Global Resource Optimization Fund, L.P.Nov 2023 · 4 co-filers Global Resource Optimization Fund, L.P.Nov 2022 · 6 co-filers Global Resource Optimization Fund, L.P.Nov 2021 · 6 co-filers Global Resource Optimization Fund, L.P.Nov 2020 · 6 co-filers Global Resource Optimization Fund, L.P.Dec 2019 · 6 co-filers Global Resource Optimization Fund, L.P.Dec 2018 · 6 co-filers Global Resource Optimization Fund, L.P.Dec 2017 · 6 co-filers Impax Global Resource Optimization Fund, L.P.Dec 2016 · 10 co-filers WellDoc, Inc.Apr 2016 · 22 co-filers$31.6M WellDoc, Inc.Dec 2015 · 28 co-filers$29.1M Impax Global Resource Optimization Fund, L.P.Nov 2015 · 10 co-filers WellDoc, Inc.Jul 2015 · 27 co-filers$1.5M WellDoc, Inc.Mar 2015 · 19 co-filers$6.0M WellDoc, Inc.Feb 2015 · 19 co-filers$6.0M WellDoc, Inc.Dec 2014 · 21 co-filers$4.0M Impax Global Resource Optimization Fund, L.P.Dec 2014 · 10 co-filers WellDoc, Inc.Jan 2014 · 18 co-filers$20.0M WellDoc, Inc.Dec 2013 · 8 co-filers$1.0M WellDoc, Inc.Dec 2013 · 8 co-filers$1.0M WellDoc, Inc.Dec 2013 · 8 co-filers$150K WellDoc, Inc.Dec 2013 · 8 co-filers$20.0M Impax Global Resource Optimization Fund, L.P.Dec 2013 · 11 co-filers SPRINGCM INCNov 2013 · 9 co-filers$6.0M

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