DA
AMTM

Dover Advisors’s Amentum Holdings AMTM Stock Holding History

Dover 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 		$644K Buy
22,219
+1,058
+5% +$25.6K 0.26% 83
2026
Q1 		$552K Sell
21,161
-1,058
-5% -$33.2K 0.23% 99
2025
Q4 		$644K Buy
22,219
+4,934
+29% +$126K 0.25% 89
2025
Q3 		$414K Buy
+17,285
New +$421K 0.17% 113
2024
Q4 		– Sell
-6,797
Closed -$219K – 144
2024
Q3 		$219K Buy
+6,797
New +$194K 0.12% 126

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

Dover Advisors's AMTM Position: Q2 2026 in Review

Dover Advisors increased its Amentum Holdings (AMTM) stake by 5% in Q2 2026, buying an estimated $25.6K and bringing the position to 22,219 shares worth $644K. The position accounts for 0.26% of the portfolio, ranked #83.

Dover Advisors first reported a position in AMTM in Q3 2024 and has held it in 5 quarters since. 464 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Dover Advisors held 22,219 shares of Amentum Holdings worth $644K as of Q2 2026.
  • Dover Advisors bought 1,058 Amentum Holdings shares in Q2 2026, an estimated $25.6K.
  • Amentum Holdings made up 0.26% of Dover Advisors's portfolio in Q2 2026, its #83 holding.
  • Dover Advisors first reported a position in Amentum Holdings in Q3 2024 and has held it in 5 quarters since.
  • 464 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Dover Advisors's 13F filing for Q2 2026, filed 7 Aug 2026.