MIM
AMTM

Marco Investment Management’s Amentum Holdings AMTM Stock Holding History

Marco Investment Management’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
Q3 		– Sell
-25,157
Closed -$594K – 229
2025
Q2 		$594K Sell
25,157
-4,088
-14% -$85.4K 0.05% 137
2025
Q1 		$532K Sell
29,245
-6,730
-19% -$137K 0.05% 140
2024
Q4 		$757K Sell
35,975
-2,310
-6% -$59.7K 0.07% 123
2024
Q3 		$1.23M Buy
+38,285
New +$1.09M 0.11% 111

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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return
Kovitz Investment Group Partners
Kovitz Investment Group Partners Chicago, Illinois $4.31B AUM 20.41% 1-Year Est. Return
TSW
Thompson Siegel & Walmsley Richmond, Virginia $5.7B AUM 6.69% 1-Year Est. Return

Marco Investment Management's AMTM Position: Q3 2025 in Review

Marco Investment Management sold out of Amentum Holdings (AMTM) in Q3 2025, closing a stake of 25,157 shares — an estimated $594K sold.

Marco Investment Management first reported a position in AMTM in Q3 2024 and held it in 4 quarters. The position peaked at $1.23M in Q3 2024. 462 funds tracked by Wall St. Rank hold AMTM as of Q3 2025.

  • Marco Investment Management reported no remaining Amentum Holdings position as of Q3 2025 after selling out during the quarter.
  • Marco Investment Management sold 25,157 Amentum Holdings shares in Q3 2025, an estimated $594K.
  • Marco Investment Management first reported a position in Amentum Holdings in Q3 2024 and held it in 4 quarters.
  • Marco Investment Management's Amentum Holdings position peaked at $1.23M in Q3 2024.
  • 462 funds tracked by Wall St. Rank held Amentum Holdings as of Q3 2025.

Based on Marco Investment Management's 13F filing for Q3 2025, filed 4 Nov 2025.