Investor · Newtown Square, PA

William P. Mckee, Jr

Open William in the network graph →

Filings

63

SEC Form D

Connections

222

co-filers

Capital

$4.8B

across filings

Active

Jun 2015

to May 2025

Most-connected co-filers (222)

Christina W. Morin · Newtown Square, PA48 shared Dennis P. Dunegan · Newtown Square, PA42 shared Steven C. Graham · Newtown Square, PA31 shared Robert A. Newbold · Newtown Square, PA31 shared William A. Timmerman Iii · Newtown Square, PA27 shared Adam A. Piatkowski · Newtown Square, PA20 shared Joshua A. Wilson · Newtown Square, PA18 shared Andrew A. Snyder · Newtown Square, PA18 shared Dalibor A. Pivcevic · Newtown Square, PA15 shared Joseph C. Heinmiller · Newtown Square, PA15 shared Robert M. Mccullough · Atlanta, GA13 shared Adam C. Lloyd · Atlanta, GA13 shared Ralph C. Teal, Jr · Myrtle Beach, SC13 shared Alan N. Solon · Atlanta, GA13 shared Charles Jobson · Boston, MA13 shared Virginia C. Brown · Atlanta, GA13 shared William A. Hayes · Charlotte, NC13 shared Eric Farrell · Colchester, VT13 shared Christopher A. Lawler · Newtown Square, PA13 shared Wade B. Hall · Eastman, GA13 shared Joseph G. May · Newtown Square, PA13 shared Jed C. Linsider · Atlanta, GA13 shared David Durkin · New York, NY13 shared Tom J. Parsons · Grand Cayman, Cayman Islands13 shared

Recent filings (63)

APV RPLT 2026 LLCFeb 2026 · 4 co-filers$12.3M Autopilot Horizon XI LLCFeb 2026 · 4 co-filers$2.0M Autopilot Horizon X LLCDec 2025 · 12 co-filers$10.0M Autopilot Horizon IX-A LLCNov 2025 · 13 co-filers$6.5M Graham Partners Genesis, L.P.Sep 2025 · 29 co-filers Graham Partners Genesis Parallel, L.P.Sep 2025 · 29 co-filers Graham Partners Genesis (B), L.P.Sep 2025 · 29 co-filers Autopilot Horizon IX LLCSep 2025 · 13 co-filers$13.0M Autopilot Horizon IX-A LLCSep 2025 · 13 co-filers$2.1M Graham Partners Genesis, L.P.Sep 2025 · 29 co-filers Graham Partners Genesis Parallel, L.P.Sep 2025 · 29 co-filers Graham Partners Genesis (B), L.P.Sep 2025 · 29 co-filers Autopilot Horizon VII LLCAug 2025 · 9 co-filers$21.3M Autopilot Horizon VIII LLCJun 2025 · 9 co-filers$9.5M GP Lonestar Liberty, L.P.May 2025 · 37 co-filers Graham Partners GKP Continuation Fund, L.P.Mar 2025 · 39 co-filers GCI Felbro SPV, L.P.Aug 2024 · 20 co-filers Graham Partners VI, L.P.Jul 2024 · 40 co-filers Graham Partners VI Co-Invest (A), L.P.Apr 2024 · 38 co-filers Graham Partners VI, L.P.Jan 2024 · 40 co-filers Guidelight Health, Inc.Sep 2023 · 14 co-filers$17.1M Graham Partners Growth I, L.P.Jul 2023 · 44 co-filers SYND2-23 LLCJul 2023 · 19 co-filers$6.5M Guidelight Health, Inc.Jun 2023 · 14 co-filers$15.0M SYND2-23 LLCJun 2023 · 19 co-filers$6.5M

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