Covestor
AMTM icon

Covestor’s Amentum Holdings AMTM Stock Holding History

Covestor’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
Q3 		$119K Buy
6,583
+3,071
+87% +$64.3K 0.08% 279
2026
Q2 		$73K Buy
3,512
+1,138
+48% +$27.5K 0.04% 559
2026
Q1 		$62K Buy
2,374
+1,965
+480% +$61.7K 0.04% 573
2025
Q4 		$12K Hold
409
– – 0.01% 1506
2025
Q3 		$10K Sell
409
-4
-1% -$97 0.01% 1626
2025
Q2 		$10K Sell
413
-1,786
-81% -$37.3K 0.01% 1618
2025
Q1 		$40K Buy
2,199
+1,793
+442% +$36.5K 0.03% 933
2024
Q4 		$9K Buy
406
+76
+23% +$1.96K 0.01% 1621
2024
Q3 		$11K Buy
+330
New +$9.4K 0.01% 1532

Other funds holding AMTM

American Securities
American Securities New York $2.69B AUM 8.08% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $161B AUM 86.05% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Thompson Siegel & Walmsley
Thompson Siegel & Walmsley Richmond, Virginia $5.37B AUM 3.99% 1-Year Est. Return

Covestor's AMTM Position: Q3 2026 in Review

Covestor increased its Amentum Holdings (AMTM) stake by 87% in Q3 2026, buying an estimated $64.3K and bringing the position to 6,583 shares worth $119K. The position accounts for 0.08% of the portfolio, ranked #279.

Covestor first reported a position in AMTM in Q3 2024 and has held it in 9 quarters since. 360 funds tracked by Wall St. Rank hold AMTM as of Q3 2026.

  • Covestor held 6,583 shares of Amentum Holdings worth $119K as of Q3 2026.
  • Covestor bought 3,071 Amentum Holdings shares in Q3 2026, an estimated $64.3K.
  • Amentum Holdings made up 0.08% of Covestor's portfolio in Q3 2026, its #279 holding.
  • Covestor first reported a position in Amentum Holdings in Q3 2024 and has held it in 9 quarters since.
  • 360 funds tracked by Wall St. Rank held Amentum Holdings as of Q3 2026.

Based on Covestor's 13F filing for Q3 2026, filed 30 Oct 2026.