Investor · Hudson, MA

Susan C. Portin

Open Susan in the network graph →

Filings

14

SEC Form D

Connections

70

co-filers

Capital

$3.0M

across filings

Active

Jul 2016

to Jan 2025

Most-connected co-filers (70)

Robert F. Irwin · Hudson, MA13 shared Robert Cawthorn · Boulder, CO9 shared Craig C. Clerkin · Hudson, MA9 shared Shubhangini C. Inamdar · Hudson, MA9 shared Samuel Kim · Santa Monica, CA5 shared Torrence M. Hunt · Pittsburgh, PA5 shared Alan J. Cohn · Alexandria, VA5 shared Numeric Investors Llc · Boston, MA5 shared Gregory Teller · Southlake, TX5 shared Mart?N Varsavsky · New York, NY5 shared James J. Roppel · Park Ridge, IL5 shared Numeric Investors Llc · Boston, MA5 shared David E. Gallias · Boston, MA4 shared Adnan Durrani · Stamford, CT4 shared Solomon E. Kuckelman · New York, NY4 shared Bob D. Burke · Stamford, CT4 shared Tariq D. Farid · Stamford, CT4 shared Robert Weber · MAPLE GROVE, MN4 shared Rishona M. Sender · Holmdel, NJ4 shared Robert R. Hanna · Boston, MA4 shared Theodore M. Trachtenberg · Holmdel, NJ4 shared M. D. Paoli · Stamford, CT4 shared Adam R. Kreisel · Alexandria, VA4 shared Shanta N. Puchtler · Boston, MA4 shared

Recent filings (14)

AMERICAN HALAL COMPANY, PBCJan 2025 · 19 co-filers$5.3M Heartland Water Technology, Inc.Feb 2022 · 17 co-filers$45.0M Heartland Water Technology, Inc.Feb 2022 · 17 co-filers$45.0M AMERICAN HALAL CO, INCApr 2021 · 23 co-filers$6.0M AMERICAN HALAL CO, INCNov 2020 · 23 co-filers Man Numeric Multi-Strategy Market Neutral LLCJan 2020 · 15 co-filers Heartland Water Technology, Inc.Jan 2019 · 23 co-filers$2.0M Man Numeric Multi-Strategy Market Neutral LLCJan 2019 · 18 co-filers Heartland Water Technology, Inc.Jan 2018 · 25 co-filers$3.6M Man Numeric Multi-Strategy Market Neutral LLCJan 2018 · 18 co-filers Heartland Water Technology, Inc.Dec 2017 · 17 co-filers$3.6M Man Numeric Amplified Core LLCJul 2017 · 12 co-filers Heartland Water Technology, Inc.Apr 2017 · 11 co-filers$5.5M Heartland Water Technology, Inc.Apr 2017 · 11 co-filers$5.5M AMERICAN HALAL CO, INCJul 2016 · 23 co-filers$750K Man Numeric Amplified Core LLCJul 2016 · 17 co-filers

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