SIG
PRMB

Senator Investment Group’s Primo Brands PRMB Stock Holding History

Senator Investment Group’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 		$39.3M Buy
+1,607,935
New +$35.7M 1.43% 30
2025
Q2 		– Sell
-2,201,798
Closed -$78.1M – 65
2025
Q1 		$78.1M Buy
2,201,798
+768,293
+54% +$25.1M 4.15% 4
2024
Q4 		$44.1M Buy
+1,433,505
New +$42.5M 1.29% 28

Other funds holding PRMB

ORCP
One Rock Capital Partners New York $2.84B AUM
Fidelity Investments
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
SC
Samlyn Capital New York $6.14B AUM 42.05% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Senator Investment Group's PRMB Position: Q2 2026 in Review

Senator Investment Group opened a new position in Primo Brands (PRMB) in Q2 2026: 1,607,935 shares worth $39.3M. The stake represents 1.43% of the portfolio and ranks #30 among its holdings. This is a return to the name: Senator Investment Group previously reported a position in PRMB as recently as Q1 2025.

Senator Investment Group first reported a position in PRMB in Q4 2024 and has held it in 3 quarters since. The position peaked at $78.1M in Q1 2025. 382 funds tracked by Wall St. Rank hold PRMB as of Q2 2026.

  • Senator Investment Group held 1,607,935 shares of Primo Brands worth $39.3M as of Q2 2026.
  • Primo Brands was a new Senator Investment Group position in Q2 2026.
  • Primo Brands made up 1.43% of Senator Investment Group's portfolio in Q2 2026, its #30 holding.
  • Senator Investment Group first reported a position in Primo Brands in Q4 2024 and has held it in 3 quarters since.
  • Senator Investment Group's Primo Brands position peaked at $78.1M in Q1 2025.
  • 382 funds tracked by Wall St. Rank held Primo Brands as of Q2 2026.

Based on Senator Investment Group's 13F filing for Q2 2026, filed 12 Aug 2026.