TWC
AMTM

TD Waterhouse Canada’s Amentum Holdings AMTM Stock Holding History

TD Waterhouse Canada’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 		$117K Buy
4,448
+3,918
+739% +$123K ﹤0.01% 1156
2025
Q4 		$15.4K Sell
530
-49
-8% -$1.25K ﹤0.01% 1456
2025
Q3 		$14.6K Buy
579
+5
+0.9% +$122 ﹤0.01% 1465
2025
Q2 		$13.7K Buy
574
+39
+7% +$815 ﹤0.01% 1389
2025
Q1 		$9.55K Sell
535
-68
-11% -$1.39K ﹤0.01% 1415
2024
Q4 		$12.7K Buy
+603
New +$15.6K ﹤0.01% 1363

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

TD Waterhouse Canada's AMTM Position: Q1 2026 in Review

TD Waterhouse Canada increased its Amentum Holdings (AMTM) stake by 739% in Q1 2026, buying an estimated $123K and bringing the position to 4,448 shares worth $117K. The position accounts for ﹤0.01% of the portfolio, ranked #1156.

TD Waterhouse Canada first reported a position in AMTM in Q4 2024 and has held it in 6 quarters since. 486 funds tracked by Wall St. Rank hold AMTM as of Q1 2026.

  • TD Waterhouse Canada held 4,448 shares of Amentum Holdings worth $117K as of Q1 2026.
  • TD Waterhouse Canada bought 3,918 Amentum Holdings shares in Q1 2026, an estimated $123K.
  • Amentum Holdings made up ﹤0.01% of TD Waterhouse Canada's portfolio in Q1 2026, its #1156 holding.
  • TD Waterhouse Canada first reported a position in Amentum Holdings in Q4 2024 and has held it in 6 quarters since.
  • 486 funds tracked by Wall St. Rank held Amentum Holdings as of Q1 2026.

Based on TD Waterhouse Canada's 13F filing for Q1 2026, filed 12 May 2026.