William C. Stone

Activist investor & 5%+ owner · SC 13D/13G filings

Total Filings

2

Stocks Covered

1

Latest Filing

Feb 9, 2026

Filings

SSNC

SS&C Technologies Holdings, Inc.

SC 13G/A · Feb 9, 2026

14.3%

35.2M shares

SSNC

SS&C Technologies Holdings, Inc.

SC 13G/A · Feb 10, 2025

13.9%

34.8M shares