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
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 $3.93B 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

Dover Advisors's AMTM Position: Q1 2026 in Review

Dover Advisors reduced its Amentum Holdings (AMTM) stake by 4.8% in Q1 2026, selling an estimated $33.2K and leaving 21,161 shares worth $552K. The position accounts for 0.23% of the portfolio, ranked #99.

Dover Advisors first reported a position in AMTM in Q3 2024 and has held it in 4 quarters since. The position peaked at $644K in Q4 2025. 486 funds tracked by Wall St. Rank hold AMTM as of Q1 2026.

  • Dover Advisors held 21,161 shares of Amentum Holdings worth $552K as of Q1 2026.
  • Dover Advisors sold 1,058 Amentum Holdings shares in Q1 2026, an estimated $33.2K.
  • Amentum Holdings made up 0.23% of Dover Advisors's portfolio in Q1 2026, its #99 holding.
  • Dover Advisors first reported a position in Amentum Holdings in Q3 2024 and has held it in 4 quarters since.
  • Dover Advisors's Amentum Holdings position peaked at $644K in Q4 2025.
  • 486 funds tracked by Wall St. Rank held Amentum Holdings as of Q1 2026.

Based on Dover Advisors's 13F filing for Q1 2026, filed 8 Apr 2026.