National Bank of Canada
AMTM

National Bank of Canada’s Amentum Holdings AMTM Stock Holding History

National Bank of 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 		$284K Buy
10,875
+9,843
+954% +$309K ﹤0.01% 1546
2025
Q4 		$29.9K Sell
1,032
-346
-25% -$8.85K ﹤0.01% 2064
2025
Q3 		$33.3K Sell
1,378
-390
-22% -$9.49K ﹤0.01% 2044
2025
Q2 		$41.8K Buy
1,768
+528
+43% +$11K ﹤0.01% 2000
2025
Q1 		$22.6K Sell
1,240
-960
-44% -$19.6K ﹤0.01% 2060
2024
Q4 		$46.3K Buy
2,200
+2,193
+31,329% +$56.7K ﹤0.01% 1972
2024
Q3 		$226 Buy
+7
New +$199 ﹤0.01% 2521

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

National Bank of Canada's AMTM Position: Q1 2026 in Review

National Bank of Canada increased its Amentum Holdings (AMTM) stake by 954% in Q1 2026, buying an estimated $309K and bringing the position to 10,875 shares worth $284K. The position accounts for ﹤0.01% of the portfolio, ranked #1546.

National Bank of Canada first reported a position in AMTM in Q3 2024 and has held it in 7 quarters since. 486 funds tracked by Wall St. Rank hold AMTM as of Q1 2026.

  • National Bank of Canada held 10,875 shares of Amentum Holdings worth $284K as of Q1 2026.
  • National Bank of Canada bought 9,843 Amentum Holdings shares in Q1 2026, an estimated $309K.
  • Amentum Holdings made up ﹤0.01% of National Bank of Canada's portfolio in Q1 2026, its #1546 holding.
  • National Bank of Canada first reported a position in Amentum Holdings in Q3 2024 and has held it in 7 quarters since.
  • 486 funds tracked by Wall St. Rank held Amentum Holdings as of Q1 2026.

Based on National Bank of Canada's 13F filing for Q1 2026, filed 15 May 2026.