5 institutions reported holding $14,150 of Cartesian Therapeutics CVR (SELB) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($8,610), Sterling Capital Management LLC ($5,540), IRONWOOD INVESTMENT MANAGEMENT LLC ($0), GAMMA Investing LLC ($0), Cygnus Capital Advisors, LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $8,610 | 1,400 | Added |
| 2 | Sterling Capital Management LLC | $5,540 | 8,268 | Hold |
| 3 | IRONWOOD INVESTMENT MANAGEMENT LLC | $0 | 170,087 | Hold |
| 4 | GAMMA Investing LLC | $0 | 0 | Exited |
| 5 | Cygnus Capital Advisors, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31