T. Rowe Price Associates
AMTM

T. Rowe Price Associates’s Amentum Holdings AMTM Stock Holding History

T. Rowe Price Associates’s Portfolio AMTM Stock Details AMTM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$3.79M Buy
145,253
+15,771
+12% +$495K ﹤0.01% 1539
2025
Q4 		$3.76M Buy
129,482
+11,307
+10% +$289K ﹤0.01% 1494
2025
Q3 		$2.83M Buy
118,175
+12,028
+11% +$293K ﹤0.01% 1594
2025
Q2 		$2.51M Buy
106,147
+18,046
+20% +$377K ﹤0.01% 1549
2025
Q1 		$1.6M Buy
88,101
+25,975
+42% +$529K ﹤0.01% 1718
2024
Q4 		$1.31M Sell
62,126
-112,432
-64% -$2.91M ﹤0.01% 1855
2024
Q3 		$5.63M Buy
+174,558
New +$4.97M ﹤0.01% 1257

Other funds holding AMTM

AS
American Securities New York $3.93B AUM 52.22% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

T. Rowe Price Associates's AMTM Position: Q1 2026 in Review

T. Rowe Price Associates increased its Amentum Holdings (AMTM) stake by 12% in Q1 2026, buying an estimated $495K and bringing the position to 145,253 shares worth $3.79M. The position accounts for ﹤0.01% of the portfolio, ranked #1539.

T. Rowe Price Associates first reported a position in AMTM in Q3 2024 and has held it in 7 quarters since. The position peaked at $5.63M in Q3 2024. 486 funds tracked by Wall St. Rank hold AMTM as of Q1 2026.

  • T. Rowe Price Associates held 145,253 shares of Amentum Holdings worth $3.79M as of Q1 2026.
  • T. Rowe Price Associates bought 15,771 Amentum Holdings shares in Q1 2026, an estimated $495K.
  • Amentum Holdings made up ﹤0.01% of T. Rowe Price Associates's portfolio in Q1 2026, its #1539 holding.
  • T. Rowe Price Associates first reported a position in Amentum Holdings in Q3 2024 and has held it in 7 quarters since.
  • T. Rowe Price Associates's Amentum Holdings position peaked at $5.63M in Q3 2024.
  • 486 funds tracked by Wall St. Rank held Amentum Holdings as of Q1 2026.

Based on T. Rowe Price Associates's 13F filing for Q1 2026, filed 15 May 2026.