TRCT
AMTM

Tower Research Capital (TRC)’s Amentum Holdings AMTM Stock Holding History

Tower Research Capital (TRC)’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 		$6.01K Sell
291
-1,719
-86% -$41.6K ﹤0.01% 4240
2026
Q1 		$52.4K Buy
2,010
+1,333
+197% +$41.8K ﹤0.01% 2704
2025
Q4 		$19.6K Sell
677
-101
-13% -$2.58K ﹤0.01% 3110
2025
Q3 		$18.6K Sell
778
-3,575
-82% -$87K ﹤0.01% 3374
2025
Q2 		$103K Buy
4,353
+2,810
+182% +$58.7K ﹤0.01% 2348
2025
Q1 		$28.1K Buy
1,543
+753
+95% +$15.3K ﹤0.01% 2667
2024
Q4 		$16.6K Sell
790
-3,933
-83% -$102K ﹤0.01% 3348
2024
Q3 		$152K Buy
+4,723
New +$135K ﹤0.01% 1879

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 $3.38T AUM 44.17% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return

Tower Research Capital (TRC)'s AMTM Position: Q2 2026 in Review

Tower Research Capital (TRC) reduced its Amentum Holdings (AMTM) stake by 86% in Q2 2026, selling an estimated $41.6K and leaving 291 shares worth $6.01K. The position accounts for ﹤0.01% of the portfolio, ranked #4240.

Tower Research Capital (TRC) first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. The position peaked at $152K in Q3 2024. 464 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Tower Research Capital (TRC) held 291 shares of Amentum Holdings worth $6.01K as of Q2 2026.
  • Tower Research Capital (TRC) sold 1,719 Amentum Holdings shares in Q2 2026, an estimated $41.6K.
  • Amentum Holdings made up ﹤0.01% of Tower Research Capital (TRC)'s portfolio in Q2 2026, its #4240 holding.
  • Tower Research Capital (TRC) first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
  • Tower Research Capital (TRC)'s Amentum Holdings position peaked at $152K in Q3 2024.
  • 464 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q2 2026, filed 11 Aug 2026.