Siren LLC’s Rocket Pharmaceuticals RCKT Stock Holding History

Siren LLC’s Portfolio RCKT Stock Details RCKT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-591,263	Closed	-$1.45M	–	127
2025 Q2	$1.45M	Hold	591,263	–	–	0.08%	91
2025 Q1	$3.94M	Sell	591,263 -8,737	-1%	-$86.3K	0.22%	63
2024 Q4	$7.54M	Buy	+600,000	New	+$9.03M	0.33%	57

Other funds holding RCKT

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

Maverick Capital Dallas, Texas $8.67B AUM 48.76% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

MPM BioImpact Boston, Massachusetts $1.29B AUM 141.72% 1-Year Est. Return

SCM

Suvretta Capital Management New York $3.92B AUM 86.67% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

MAM

Monaco Asset Management Monaco $542M AUM 54.4% 1-Year Est. Return

Newtyn Management New York $936M AUM 27.23% 1-Year Est. Return

Siren LLC's RCKT Position: Q3 2025 in Review

Siren LLC sold out of Rocket Pharmaceuticals (RCKT) in Q3 2025, closing a stake of 591,263 shares — an estimated $1.45M sold.

Siren LLC first reported a position in RCKT in Q4 2024 and held it in 3 quarters. The position peaked at $7.54M in Q4 2024. 173 funds tracked by Wall St. Rank hold RCKT as of Q3 2025.

Siren LLC reported no remaining Rocket Pharmaceuticals position as of Q3 2025 after selling out during the quarter.
Siren LLC sold 591,263 Rocket Pharmaceuticals shares in Q3 2025, an estimated $1.45M.
Siren LLC first reported a position in Rocket Pharmaceuticals in Q4 2024 and held it in 3 quarters.
Siren LLC's Rocket Pharmaceuticals position peaked at $7.54M in Q4 2024.
173 funds tracked by Wall St. Rank held Rocket Pharmaceuticals as of Q3 2025.

Based on Siren LLC's 13F filing for Q3 2025, filed 13 Nov 2025.