System1, Inc. (SST) ownership: Top institutional holder: Cannae Holdings, Inc. ($1.08B). Insider activity: Net Buyer (4 buys, 1 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Cannae Holdings, Inc. | 356797.00 | $1.08B | 2026-03-31 |
| BANK OF AMERICA CORP /DE/ | 161519.00 | $487787.00 | 2026-03-31 |
| Cerity Partners LLC | 116844.00 | $352869.00 | 2026-03-31 |
| VANGUARD GROUP INC | 46933.00 | $183977.00 | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 37132.00 | $112139.00 | 2026-03-31 |
| MILLENNIUM MANAGEMENT LLC | 32619.00 | $98509.00 | 2026-03-31 |
| NORTHERN TRUST CORP | 229125.00 | $87366.00 | 2025-03-31 |
| BlackRock, Inc. | 24247.00 | $73226.00 | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-04-15 | |
| Buy | null | 2026-04-15 | |
| Buy | null | 2026-04-15 | |
| Sell | null | 2026-04-15 | |
| Buy | null | 2026-04-15 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.