Quick Takeaways
- William C. Stone filed SCHEDULE 13G/A for SS&C Technologies Holdings, Inc. Common Stock, par value $0.01 per share (SSNC).
- Disclosed ownership: 14%.
- Date of event: 31 Dec 2025.
William C. Stone - 31 Dec 2025 SCHEDULE 13G/A Report for SS&C Technologies Holdings, Inc. Common Stock, par value $0.01 per share (SSNC)
- Filing Manager
- William C. Stone
- Reporting Manager
- William C. Stone
- Symbol
- SSNC
- Shares outstanding
- 246,169,769 shares
- Disclosed Ownership
- 35,202,277 shares
- Ownership
- 14%
- Form type
- SCHEDULE 13G/A
- Filing time
- 09 Feb 2026, 16:53:28 UTC
- Date of event
- 31 Dec 2025
- Previous filing
- 10 Feb 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"William C. Stone disclosed 14% ownership in SS&C Technologies Holdings, Inc. Common Stock, par value $0.01 per share (SSNC) on 31 Dec 2025."
What Changed
- Previous schedule filing date: 10 Feb 2025.
- Current filing was accepted on 09 Feb 2026, 16:53.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| William C. Stone | 14% | 35,202,277 | 35,202,277 | 0 | /William C. Stone/ | Chief Executive Officer |