LSA
AMTM

Leonteq Securities AG’s Amentum Holdings AMTM Stock Holding History

Leonteq Securities AG’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 		– Sell
-19
Closed -$551 – 1519
2025
Q4 		$551 Hold
19
– – ﹤0.01% 1366
2025
Q3 		$455 Sell
19
-2,000
-99% -$48.7K ﹤0.01% 1274
2025
Q2 		$47.7K Buy
2,019
+2,006
+15,431% +$41.9K ﹤0.01% 860
2025
Q1 		$236 Sell
13
-9
-41% -$183 ﹤0.01% 1195
2024
Q4 		$463 Hold
22
– – ﹤0.01% 1204
2024
Q3 		$710 Buy
+22
New +$627 ﹤0.01% 1132

Other funds holding AMTM

AS
American Securities New York $3.93B AUM 52.22% 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
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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Leonteq Securities AG's AMTM Position: Q1 2026 in Review

Leonteq Securities AG sold out of Amentum Holdings (AMTM) in Q1 2026, closing a stake of 19 shares — an estimated $551 sold.

Leonteq Securities AG first reported a position in AMTM in Q3 2024 and held it in 6 quarters. The position peaked at $47.7K in Q2 2025. 486 funds tracked by Wall St. Rank hold AMTM as of Q1 2026.

  • Leonteq Securities AG reported no remaining Amentum Holdings position as of Q1 2026 after selling out during the quarter.
  • Leonteq Securities AG sold 19 Amentum Holdings shares in Q1 2026, an estimated $551.
  • Leonteq Securities AG first reported a position in Amentum Holdings in Q3 2024 and held it in 6 quarters.
  • Leonteq Securities AG's Amentum Holdings position peaked at $47.7K in Q2 2025.
  • 486 funds tracked by Wall St. Rank held Amentum Holdings as of Q1 2026.

Based on Leonteq Securities AG's 13F filing for Q1 2026, filed 27 Apr 2026.