PS
AMTM

Principal Securities’s Amentum Holdings AMTM Stock Holding History

Principal Securities’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
2025
Q4 		– Sell
-33
Closed -$790 – 3653
2025
Q3 		$790 Sell
33
-2
-6% -$49 ﹤0.01% 3454
2025
Q2 		$826 Sell
35
-3
-8% -$63 ﹤0.01% 3387
2025
Q1 		$799 Hold
38
– – ﹤0.01% 3264
2024
Q4 		$799 Sell
38
-1,714
-98% -$44.3K ﹤0.01% 3257
2024
Q3 		$56.5K Buy
+1,752
New +$49.9K ﹤0.01% 1641

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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Focus Partners Wealth
Focus Partners Wealth Boston, Massachusetts $97.6B AUM 29.43% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Principal Securities's AMTM Position: Q4 2025 in Review

Principal Securities sold out of Amentum Holdings (AMTM) in Q4 2025, closing a stake of 33 shares — an estimated $790 sold.

Principal Securities first reported a position in AMTM in Q3 2024 and held it in 5 quarters. The position peaked at $56.5K in Q3 2024. 483 funds tracked by Wall St. Rank hold AMTM as of Q4 2025.

  • Principal Securities reported no remaining Amentum Holdings position as of Q4 2025 after selling out during the quarter.
  • Principal Securities sold 33 Amentum Holdings shares in Q4 2025, an estimated $790.
  • Principal Securities first reported a position in Amentum Holdings in Q3 2024 and held it in 5 quarters.
  • Principal Securities's Amentum Holdings position peaked at $56.5K in Q3 2024.
  • 483 funds tracked by Wall St. Rank held Amentum Holdings as of Q4 2025.

Based on Principal Securities's 13F filing for Q4 2025, filed 12 Feb 2026.