William Blair & Company
PRMB

William Blair & Company’s Primo Brands PRMB Stock Holding History

William Blair & Company’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
2025
Q4 		– Sell
-10,968
Closed -$242K – 1961
2025
Q3 		$242K Sell
10,968
-36,137
-77% -$935K ﹤0.01% 1392
2025
Q2 		$1.4M Sell
47,105
-27,686
-37% -$885K ﹤0.01% 802
2025
Q1 		$2.65M Buy
74,791
+28,144
+60% +$919K 0.01% 651
2024
Q4 		$1.44M Buy
+46,647
New +$1.38M ﹤0.01% 797

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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

William Blair & Company's PRMB Position: Q4 2025 in Review

William Blair & Company sold out of Primo Brands (PRMB) in Q4 2025, closing a stake of 10,968 shares — an estimated $242K sold.

William Blair & Company first reported a position in PRMB in Q4 2024 and held it in 4 quarters. The position peaked at $2.65M in Q1 2025. 355 funds tracked by Wall St. Rank hold PRMB as of Q4 2025.

  • William Blair & Company reported no remaining Primo Brands position as of Q4 2025 after selling out during the quarter.
  • William Blair & Company sold 10,968 Primo Brands shares in Q4 2025, an estimated $242K.
  • William Blair & Company first reported a position in Primo Brands in Q4 2024 and held it in 4 quarters.
  • William Blair & Company's Primo Brands position peaked at $2.65M in Q1 2025.
  • 355 funds tracked by Wall St. Rank held Primo Brands as of Q4 2025.

Based on William Blair & Company's 13F filing for Q4 2025, filed 17 Feb 2026.