WTC
AMTM

WhitTier Trust Company’s Amentum Holdings AMTM Stock Holding History

WhitTier Trust Company’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 		$22.9K Hold
1,081
– – ﹤0.01% 900
2026
Q1 		$29.3K Hold
1,081
– – ﹤0.01% 818
2025
Q4 		$34.1K Hold
1,081
– – ﹤0.01% 789
2025
Q3 		$28.1K Hold
1,081
– – ﹤0.01% 813
2025
Q2 		$25.5K Buy
1,081
+61
+6% +$1.27K ﹤0.01% 927
2025
Q1 		$18.6K Sell
1,020
-3
-0.3% -$61 ﹤0.01% 984
2024
Q4 		$21.5K Buy
+1,023
New +$26.4K ﹤0.01% 931

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

WhitTier Trust Company's AMTM Position: Q2 2026 in Review

WhitTier Trust Company held its Amentum Holdings (AMTM) position steady in Q2 2026 at 1,081 shares worth $22.9K. The position accounts for ﹤0.01% of the portfolio, ranked #900.

WhitTier Trust Company first reported a position in AMTM in Q4 2024 and has held it in 7 quarters since. The position peaked at $34.1K in Q4 2025. 462 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • WhitTier Trust Company held 1,081 shares of Amentum Holdings worth $22.9K as of Q2 2026.
  • WhitTier Trust Company left its Amentum Holdings share count unchanged in Q2 2026.
  • Amentum Holdings made up ﹤0.01% of WhitTier Trust Company's portfolio in Q2 2026, its #900 holding.
  • WhitTier Trust Company first reported a position in Amentum Holdings in Q4 2024 and has held it in 7 quarters since.
  • WhitTier Trust Company's Amentum Holdings position peaked at $34.1K in Q4 2025.
  • 462 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on WhitTier Trust Company's 13F filing for Q2 2026, filed 28 Jul 2026.