Thompson Siegel & Walmsley’s Primo Brands PRMB Stock Holding History

Thompson Siegel & Walmsley’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	$6.81M	Buy	278,663 +207,663	+292%	+$4.61M	0.12%	191
2026 Q1	$1.34M	Hold	71,000	–	–	0.02%	305
2025 Q4	$1.16M	Hold	71,000	–	–	0.02%	302
2025 Q3	$1.57M	Hold	71,000	–	–	0.03%	280
2025 Q2	$2.1M	Sell	71,000 -4,500	-6%	-$144K	0.04%	258
2025 Q1	$2.68M	Hold	75,500	–	–	0.05%	231
2024 Q4	$2.32M	Buy	+75,500	New	+$2.24M	0.04%	242

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

Thompson Siegel & Walmsley's PRMB Position: Q2 2026 in Review

Thompson Siegel & Walmsley increased its Primo Brands (PRMB) stake by 292% in Q2 2026, buying an estimated $4.61M and bringing the position to 278,663 shares worth $6.81M. The position accounts for 0.12% of the portfolio, ranked #191.

Thompson Siegel & Walmsley first reported a position in PRMB in Q4 2024 and has held it in 7 quarters since. 381 funds tracked by Wall St. Rank hold PRMB as of Q2 2026.

Thompson Siegel & Walmsley held 278,663 shares of Primo Brands worth $6.81M as of Q2 2026.
Thompson Siegel & Walmsley bought 207,663 Primo Brands shares in Q2 2026, an estimated $4.61M.
Primo Brands made up 0.12% of Thompson Siegel & Walmsley's portfolio in Q2 2026, its #191 holding.
Thompson Siegel & Walmsley first reported a position in Primo Brands in Q4 2024 and has held it in 7 quarters since.
381 funds tracked by Wall St. Rank held Primo Brands as of Q2 2026.

Based on Thompson Siegel & Walmsley's 13F filing for Q2 2026, filed 11 Aug 2026.