WT
AMTM

Whittier Trust’s Amentum Holdings AMTM Stock Holding History

Whittier Trust’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 		$80.4K Hold
3,614
– – ﹤0.01% 791
2026
Q1 		$97.8K Hold
3,614
– – ﹤0.01% 713
2025
Q4 		$114K Sell
3,614
-385
-10% -$9.84K ﹤0.01% 707
2025
Q3 		$104K Buy
3,999
+2
+0.1% +$49 ﹤0.01% 711
2025
Q2 		$94.4K Sell
3,997
-269
-6% -$5.62K ﹤0.01% 814
2025
Q1 		$77.6K Sell
4,266
-252
-6% -$5.13K ﹤0.01% 831
2024
Q4 		$95K Buy
+4,518
New +$117K ﹤0.01% 807

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's AMTM Position: Q2 2026 in Review

Whittier Trust held its Amentum Holdings (AMTM) position steady in Q2 2026 at 3,614 shares worth $80.4K. The position accounts for ﹤0.01% of the portfolio, ranked #791.

Whittier Trust first reported a position in AMTM in Q4 2024 and has held it in 7 quarters since. The position peaked at $114K in Q4 2025. 462 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Whittier Trust held 3,614 shares of Amentum Holdings worth $80.4K as of Q2 2026.
  • Whittier Trust left its Amentum Holdings share count unchanged in Q2 2026.
  • Amentum Holdings made up ﹤0.01% of Whittier Trust's portfolio in Q2 2026, its #791 holding.
  • Whittier Trust first reported a position in Amentum Holdings in Q4 2024 and has held it in 7 quarters since.
  • Whittier Trust's Amentum Holdings position peaked at $114K in Q4 2025.
  • 462 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

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