Cartesian Therapeutics, Inc. (RNAC) ownership: Top institutional holder: Squarepoint Ops LLC ($13.77M). Insider activity: Net Seller (0 buys, 3 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Squarepoint Ops LLC | 2238486.00 | $13.77M | 2026-03-31 |
| FMR LLC | 799743.00 | $4.92M | 2026-03-31 |
| VANGUARD GROUP INC | 541228.00 | $3.90M | 2025-12-31 |
| BlackRock, Inc. | 599108.00 | $3.68M | 2026-03-31 |
| BlackRock Fund Advisors | 159573.00 | $2.74M | 2016-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 407597.00 | $2.51M | 2026-03-31 |
| 683 Capital Management, LLC | 330000.00 | $2.03M | 2026-03-31 |
| MILLENNIUM MANAGEMENT LLC | 284317.00 | $1.75M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-04-02 | |
| Sell | null | 2026-04-02 | |
| Sell | null | 2026-03-13 |
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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.