15 institutions reported holding $1.2M of ROCKET PHARMACEUTICALS INC (RCKTW) in SEC 13F filings for 2026-03-31. Largest institutional holders: GROUP ONE TRADING LLC ($610,032), SIMPLEX TRADING, LLC ($449,290), BOOTHBAY FUND MANAGEMENT, LLC ($132,145), RTW INVESTMENTS, LP ($7,210), Sio Capital Management, LLC ($7,020). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $610,032 | 170,400 | Added |
| 2 | SIMPLEX TRADING, LLC | $449,290 | 125,500 | Added |
| 3 | BOOTHBAY FUND MANAGEMENT, LLC | $132,145 | 36,912 | Hold |
| 4 | RTW INVESTMENTS, LP | $7,210 | 350,000 | Hold |
| 5 | Sio Capital Management, LLC | $7,020 | 400,000 | Hold |
| 6 | CITADEL ADVISORS LLC | $6,510 | 309,997 | Trimmed |
| 7 | Walleye Capital LLC | $5,858 | 284,345 | Hold |
| 8 | SILVERARC CAPITAL MANAGEMENT, LLC | $2,159 | 104,828 | Hold |
| 9 | LMR Partners LLP | $1,560 | 75,731 | Hold |
| 10 | Affinity Asset Advisors, LLC | $1,178 | 75,000 | Hold |
| 11 | Ancora Advisors LLC | $124 | 6,000 | Hold |
| 12 | UBS Group AG | $84 | 3,981 | New |
| 13 | Virtu Financial LLC | $0 | 0 | Exited |
| 14 | TWO SIGMA SECURITIES, LLC | $0 | 0 | Exited |
| 15 | Clear Street Group Inc. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31