Investor · Greenwich, CT

William A. James

Open William in the network graph →

Filings

73

SEC Form D

Connections

208

co-filers

Capital

$2.0B

across filings

Active

Apr 2022

to Sep 2025

Most-connected co-filers (208)

Timothy Lewis · Greenwich, CT30 shared Irina M. Watson · London, United Kingdom18 shared Georgia N. Prinsloo · Grand Cayman, Cayman Islands18 shared A. A. Levinson · Greenwich, CT16 shared Southfield Capital IV GP LLC · Greenwich, CT15 shared Andrew A. Cook · Greenwich, CT15 shared Frank N. Dewit · Miami, FL12 shared Christopher D. Lynch · Boston, MA12 shared Charles D. Robel · Boston, MA12 shared Matthew M. Geraghty · Boulder, CO12 shared Jay N. Wintrob · Los Angeles, CA12 shared Matt C. Medeiros · Denver, CO12 shared Bruce A. Karsh · Los Angeles, CA12 shared Hani P. Barhoush · Al Maryah Island, Abu Dhabi, C012 shared Dan Wright · Boston, MA12 shared Pamela F. Moore · Boulder, CO12 shared Barry Miller · Jupiter, FL12 shared Todd B. Molz · Los Angeles, CA12 shared Justin B. Yang · Greenwich, CT12 shared Stanley W. Fields · PORTLAND, OR12 shared Gregory M. Friedman · ATLANTA, GA12 shared Daniel B. Levin · Los Angeles, CA12 shared John B. Frank · Los Angeles, CA12 shared Sheldon B. Stone · Los Angeles, CA12 shared

Recent filings (73)

Voloridge Fund, Ltd.Feb 2026 · 2 co-filers Voloridge Trading Aggressive Fund, Ltd.Feb 2026 · 2 co-filers Voloridge Fund, Ltd.Jan 2026 · 2 co-filers Voloridge Trading Aggressive Fund, Ltd.Jan 2026 · 2 co-filers Slaine Holdings LLCSep 2025 · 11 co-filers$254K Slaine Holdings LLCMay 2025 · 11 co-filers$31.8M SageSure LLCMay 2025 · 21 co-filers$70.0M Southfield Capital IV-B LPMar 2025 · 26 co-filers$550.0M Southfield Capital IV-A LPMar 2025 · 26 co-filers$550.0M Southfield Capital IV-A LPMar 2025 · 26 co-filers$550.0M Southfield Capital IV-B LPMar 2025 · 26 co-filers$550.0M Voloridge Trading Aggressive Fund, Ltd.Mar 2025 · 8 co-filers Voloridge Fund, Ltd.Mar 2025 · 8 co-filers Voloridge Trading Aggressive Fund, Ltd.Jan 2025 · 8 co-filers Voloridge Fund, Ltd.Jan 2025 · 8 co-filers Slaine Holdings LLCJan 2025 · 11 co-filers$1.0M XII Medical, Inc.Aug 2024 · 22 co-filers$45.0M Southfield Capital IV-B LPApr 2024 · 20 co-filers$400.0M Southfield Capital IV-A LPApr 2024 · 20 co-filers$400.0M Southfield Capital IV-B LPApr 2024 · 20 co-filers$400.0M Southfield Capital IV-A LPApr 2024 · 20 co-filers$400.0M Southfield Capital IV-B LPMar 2024 · 20 co-filers$400.0M Southfield Capital IV-A LPMar 2024 · 20 co-filers$400.0M Southfield Capital IV-A LPMar 2024 · 20 co-filers$400.0M Southfield Capital IV-B LPMar 2024 · 20 co-filers$400.0M

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