Siren LLC’s Primo Brands PRMB Stock Holding History

Siren LLC’s Portfolio PRMB Stock Details PRMB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-50,000	Closed	-$942K	–	125
2026 Q1	$942K	Sell	50,000 -25,000	-33%	-$483K	0.03%	99
2025 Q4	$1.23M	Hold	75,000	–	–	0.04%	108
2025 Q3	$1.66M	Buy	75,000 +37,500	+100%	+$970K	0.06%	94
2025 Q2	$1.11M	Buy	+37,500	New	+$1.2M	0.06%	96

Other funds holding PRMB

ORCP

One Rock Capital Partners New York $2.84B AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

SHCM

Sachem Head Capital Management New York $4.82B AUM 73.38% 1-Year Est. Return

Samlyn Capital New York $6.14B AUM 42.05% 1-Year Est. Return

Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Siren LLC's PRMB Position: Q2 2026 in Review

Siren LLC sold out of Primo Brands (PRMB) in Q2 2026, closing a stake of 50,000 shares — an estimated $942K sold.

Siren LLC first reported a position in PRMB in Q2 2025 and held it in 4 quarters. The position peaked at $1.66M in Q3 2025. 381 funds tracked by Wall St. Rank hold PRMB as of Q2 2026.

Siren LLC reported no remaining Primo Brands position as of Q2 2026 after selling out during the quarter.
Siren LLC sold 50,000 Primo Brands shares in Q2 2026, an estimated $942K.
Siren LLC first reported a position in Primo Brands in Q2 2025 and held it in 4 quarters.
Siren LLC's Primo Brands position peaked at $1.66M in Q3 2025.
381 funds tracked by Wall St. Rank held Primo Brands as of Q2 2026.

Based on Siren LLC's 13F filing for Q2 2026, filed 13 Aug 2026.