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
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 $3.93B 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

Tower Research Capital (TRC)'s AMTM Position: Q1 2026 in Review

Tower Research Capital (TRC) increased its Amentum Holdings (AMTM) stake by 197% in Q1 2026, buying an estimated $41.8K and bringing the position to 2,010 shares worth $52.4K. The position accounts for ﹤0.01% of the portfolio, ranked #2704.

Tower Research Capital (TRC) first reported a position in AMTM in Q3 2024 and has held it in 7 quarters since. The position peaked at $152K in Q3 2024. 486 funds tracked by Wall St. Rank hold AMTM as of Q1 2026.

  • Tower Research Capital (TRC) held 2,010 shares of Amentum Holdings worth $52.4K as of Q1 2026.
  • Tower Research Capital (TRC) bought 1,333 Amentum Holdings shares in Q1 2026, an estimated $41.8K.
  • Amentum Holdings made up ﹤0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #2704 holding.
  • Tower Research Capital (TRC) first reported a position in Amentum Holdings in Q3 2024 and has held it in 7 quarters since.
  • Tower Research Capital (TRC)'s Amentum Holdings position peaked at $152K in Q3 2024.
  • 486 funds tracked by Wall St. Rank held Amentum Holdings as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.