Fidelity International
AMTM

Fidelity International’s Amentum Holdings AMTM Stock Holding History

Fidelity International’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
Q2 		$28.4K Sell
1,376
-650,783
-100% -$15.7M ﹤0.01% 1120
2026
Q1 		$17M Sell
652,159
-777,225
-54% -$24.4M 0.01% 510
2025
Q4 		$41.5M Sell
1,429,384
-129,640
-8% -$3.31M 0.03% 368
2025
Q3 		$37.3M Sell
1,559,024
-508,181
-25% -$12.4M 0.03% 397
2025
Q2 		$48.8M Sell
2,067,205
-142,108
-6% -$2.97M 0.04% 343
2025
Q1 		$40.2M Buy
2,209,313
+415,760
+23% +$8.47M 0.04% 346
2024
Q4 		$37.7M Buy
1,793,553
+1,058,441
+144% +$27.4M 0.04% 361
2024
Q3 		$23.7M Buy
+735,112
New +$20.9M 0.02% 436

Other funds holding AMTM

AS
American Securities New York $3.75B AUM 23.12% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return

Fidelity International's AMTM Position: Q2 2026 in Review

Fidelity International reduced its Amentum Holdings (AMTM) stake by 100% in Q2 2026, selling an estimated $15.7M and leaving 1,376 shares worth $28.4K. The position accounts for ﹤0.01% of the portfolio, ranked #1120.

Fidelity International first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. The position peaked at $48.8M in Q2 2025. 462 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Fidelity International held 1,376 shares of Amentum Holdings worth $28.4K as of Q2 2026.
  • Fidelity International sold 650,783 Amentum Holdings shares in Q2 2026, an estimated $15.7M.
  • Amentum Holdings made up ﹤0.01% of Fidelity International's portfolio in Q2 2026, its #1120 holding.
  • Fidelity International first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
  • Fidelity International's Amentum Holdings position peaked at $48.8M in Q2 2025.
  • 462 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Fidelity International's 13F filing for Q2 2026, filed 13 Aug 2026.