AA
AMTM

Ancora Advisors’s Amentum Holdings AMTM Stock Holding History

Ancora Advisors’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 		$14.8M Buy
715,652
+12,533
+2% +$303K 0.29% 83
2026
Q1 		$18.3M Buy
703,119
+300,773
+75% +$9.44M 0.39% 51
2025
Q4 		$11.7M Buy
402,346
+268,472
+201% +$6.86M 0.24% 94
2025
Q3 		$3.21M Buy
133,874
+1,670
+1% +$40.7K 0.06% 223
2025
Q2 		$3.12M Buy
132,204
+63,434
+92% +$1.33M 0.06% 228
2025
Q1 		$1.25M Buy
68,770
+68,705
+105,700% +$1.4M 0.03% 350
2024
Q4 		$1.37K Sell
65
-25,350
-100% -$655K ﹤0.01% 1602
2024
Q3 		$820K Buy
+25,415
New +$724K 0.02% 423

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

Ancora Advisors's AMTM Position: Q2 2026 in Review

Ancora Advisors increased its Amentum Holdings (AMTM) stake by 1.8% in Q2 2026, buying an estimated $303K and bringing the position to 715,652 shares worth $14.8M. The position accounts for 0.29% of the portfolio, ranked #83.

Ancora Advisors first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. The position peaked at $18.3M in Q1 2026. 462 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Ancora Advisors held 715,652 shares of Amentum Holdings worth $14.8M as of Q2 2026.
  • Ancora Advisors bought 12,533 Amentum Holdings shares in Q2 2026, an estimated $303K.
  • Amentum Holdings made up 0.29% of Ancora Advisors's portfolio in Q2 2026, its #83 holding.
  • Ancora Advisors first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
  • Ancora Advisors's Amentum Holdings position peaked at $18.3M in Q1 2026.
  • 462 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Ancora Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.