As of November 10, 2026, SS&C Technologies Holdings Inc is a publicly traded company (Nasdaq: SSNC); its largest reported holder is Pzena Investment Management LLC, with 5.6% on Schedule 13G of October 19, 2026, then Vanguard (5.08%). The largest insider holding is William C. Stone, the chairman and chief executive, with 32,470,808 shares (13.8% of shares outstanding), per Form 4 of March 3, 2026 (Schedule 13G, October 19, 2026).
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Is SS&C Technologies Holdings Inc a real, registered company?
- SS&C Technologies Holdings Inc files with the SEC under CIK 1402436 (its SEC filings).
- Its shares are listed under the ticker SSNC on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Windsor, Connecticut, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under SS&C Technologies Holdings Inc in our court records and SEC 8-K records (as of 2026-11-10).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Pzena Investment Management LLC (filed 2026-10-19).
Who are SS&C Technologies Holdings Inc's owners and officers?
SS&C Technologies Holdings Inc: incorporated in Delaware; business address in Windsor, Connecticut; industry Services-Prepackaged Software (Schedule 13G, 2026-10-19).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-10-19 | Pzena Investment Management LLC | 5.6% |
| Schedule 13G, 2026-08-06 | Fmr LLC | 5% |
| Schedule 13G, 2026-07-31 | Vanguard Portfolio Management | 5.08% |
| Schedule 13G, 2026-07-30 | Blackrock, Inc. | 5% |
| Schedule 13G/A, 2026-05-15 | Janus Henderson Group PLC | 3.5% |
| Schedule 13G/A, 2026-04-30 | Blackrock Portfolio Management LLC | 3.7% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-02-17 | Janus Henderson Group PLC | 5.7% |
| Schedule 13G/A, 2026-02-09 | William C. Stone | 14.3% |
| Schedule 13G/A, 2025-11-14 | Janus Henderson Group PLC | 6.8% |
| Schedule 13G/A, 2025-08-14 | Janus Henderson Group PLC | 6.7% |
Questions about who owns SS&C Technologies Holdings Inc
Who owns SS&C Technologies Holdings Inc?
On this page, 5 holders' latest ownership filings report 5% or more of SS&C Technologies Holdings Inc: William C. Stone (14.3%, Schedule 13G/A, filed 2026-02-09), Pzena Investment Management LLC (5.6%, Schedule 13G, filed 2026-10-19), Vanguard Portfolio Management (5.08%, Schedule 13G, filed 2026-07-31), Fmr LLC (5%, Schedule 13G, filed 2026-08-06) and Blackrock, Inc. (5%, Schedule 13G, filed 2026-07-30).
Who are the largest shareholders of SS&C Technologies Holdings Inc?
By the share each holder's latest filing reports, the largest holders of SS&C Technologies Holdings Inc on this page are William C. Stone (14.3%), Pzena Investment Management LLC (5.6%) and Vanguard Portfolio Management (5.08%).
When did William C. Stone buy into SS&C Technologies Holdings Inc?
The filings give report dates, not purchase dates. The earliest filing from William C. Stone on this page is the Schedule 13G/A, filed 2026-02-09, reporting 14.3%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 11 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Which insiders own SS&C Technologies Holdings Inc shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the chairman and chief executive: 32,470,808 shares (13.8% of shares outstanding) (Form 4, 2026-03-03).
- , a director: 389,504 shares (0.17% of shares outstanding) (Form 4, 2026-05-22).
- , the president and chief operating officer: 190,370 shares (0.08% of shares outstanding) (Form 4, 2026-03-03).
- , a director: 149,643 shares (0.06% of shares outstanding), 81,964 held directly and 67,679 indirectly (Form 4, 2026-05-22).
- , the chief financial officer and executive vice president: 114,312 shares (0.05% of shares outstanding) (Form 4, 2026-08-18).
Shares outstanding: 234,815,941 as of 2026-11-04, from the company's latest SEC cover page.
How much has SS&C Technologies Holdings Inc raised?
Acquisitions reported on Form 8-K, Item 2.01: acquired Colossus Topco Limited (2025-10-14).
Keep reading
More on SS&C Technologies Holdings Inc and the records around it.
SS&C Technologies Holdings Inc elsewhere on the record
- 5%+ stake filings Oct 2026
- Acquisition Oct 2025
Companies that share a holder
- PZENA INVESTMENT MANAGEMENT LLC also filed stake reports on 37 other companies: ADVANCE AUTO PARTS INC (Oct 2026), Globant S.A. (Oct 2026), Koppers Holdings Inc. (Oct 2026)
- JANUS HENDERSON GROUP PLC also filed stake reports on 104 other companies: SURGERY PARTNERS, INC. (Nov 2026), EYEPOINT, INC. (Sep 2026), TELEFLEX INCORPORATED (Sep 2026)
- BlackRock Portfolio Management LLC also filed stake reports on 118 other companies: AMERISAFE INC (Nov 2026), BlackRock ETF Trust (Nov 2026), iShares J.P. Morgan EM Local Currency Bond ETF (Nov 2026)
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