14 institutions reported holding $1.1M of ROCKET PHARMACEUTICALS INC (RCKTW) in SEC 13F filings for 2026-06-30. Largest institutional holders: GROUP ONE TRADING LLC ($565,668), SIMPLEX TRADING, LLC ($492,138), CITADEL ADVISORS LLC ($1,924), Sio Capital Management, LLC ($1,480), Walleye Capital LLC ($1,365). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $565,668 | 165,400 | Trimmed |
| 2 | SIMPLEX TRADING, LLC | $492,138 | 143,900 | Added |
| 3 | CITADEL ADVISORS LLC | $1,924 | 310,370 | Added |
| 4 | Sio Capital Management, LLC | $1,480 | 400,000 | Hold |
| 5 | Walleye Capital LLC | $1,365 | 284,345 | Hold |
| 6 | RTW INVESTMENTS, LP | $1,190 | 350,000 | Hold |
| 7 | LMR Partners LLP | $364 | 75,731 | Hold |
| 8 | SILVERARC CAPITAL MANAGEMENT, LLC | $356 | 104,828 | Hold |
| 9 | Affinity Asset Advisors, LLC | $278 | 75,000 | Hold |
| 10 | BOOTHBAY FUND MANAGEMENT, LLC | $126 | 36,912 | Hold |
| 11 | TORONTO DOMINION BANK | $49 | 99 | New |
| 12 | Ancora Advisors LLC | $22 | 6,000 | Hold |
| 13 | UBS Group AG | $0 | 0 | Exited |
| 14 | Clear Street Group Inc. | $0 | 99 | New |
Source: SEC Form 13F filings · as of 2026-06-30