Investor · St. Charles, IL
Collin D. Duff
Open Collin in the network graph →Capital
$1.9M
across filings
Active
Jan 2020
to Feb 2025
Most-connected co-filers (62)
Brandon D. Pevnick · Chicago, IL15 sharedKyle D. Buzzard · Chicago, IL9 sharedMichael D. Tolkson · St. Charles, IL8 sharedDes Quigley · Wilmington, DE7 sharedRaymond Larson · Happy Valley, OR7 sharedRoddy Stafford · Wilmington, DE7 sharedDominic O'Dierno · Portland, OR7 sharedMarcho Partners LLP · London, United Kingdom7 sharedCraig Young · Jasper, IN7 sharedCraig Simkin · Wilmington, DE7 sharedMarcho Partners GP LLC · Wilmington, DE7 sharedMartin Tolar, M.D., Ph.D · Framingham, MA6 sharedRudolf Weder · George Town, Grand Cayman, Cayman Islands6 sharedSally L. Waranch · Los Angeles, CA6 sharedDiane K. Jorkasky, M.D · Framingham, MA6 sharedHolly Lyman · Sedona, AZ6 sharedNeil W. Flanzraich · Framingham, MA6 sharedNick Koncilja · Denver, CO6 sharedKenneth A. Mace · Framingham, MA6 sharedBrendan R. Rogers · New York, NY6 sharedGary J. Carr · Hamilton, Bermuda6 sharedJames A. Michie · Panama City, R16 sharedJordan W. Heller · Framingham, MA6 sharedLindsay J. Luger · New York, NY5 shared Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Collin in the interactive graph →