ACM
AMTM

Arosa Capital Management’s Amentum Holdings AMTM Stock Holding History

Arosa Capital 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
-252,500
Closed -$5.96M – 93
2025
Q2 		$5.96M Sell
252,500
-154,400
-38% -$3.23M 1.12% 19
2025
Q1 		$7.41M Buy
406,900
+56,900
+16% +$1.16M 2.74% 14
2024
Q4 		$7.36M Buy
+350,000
New +$9.05M 2.95% 14

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

Arosa Capital Management's AMTM Position: Q3 2025 in Review

Arosa Capital Management sold out of Amentum Holdings (AMTM) in Q3 2025, closing a stake of 252,500 shares — an estimated $5.96M sold.

Arosa Capital Management first reported a position in AMTM in Q4 2024 and held it in 3 quarters. The position peaked at $7.41M in Q1 2025. 462 funds tracked by Wall St. Rank hold AMTM as of Q3 2025.

  • Arosa Capital Management reported no remaining Amentum Holdings position as of Q3 2025 after selling out during the quarter.
  • Arosa Capital Management sold 252,500 Amentum Holdings shares in Q3 2025, an estimated $5.96M.
  • Arosa Capital Management first reported a position in Amentum Holdings in Q4 2024 and held it in 3 quarters.
  • Arosa Capital Management's Amentum Holdings position peaked at $7.41M in Q1 2025.
  • 462 funds tracked by Wall St. Rank held Amentum Holdings as of Q3 2025.

Based on Arosa Capital Management's 13F filing for Q3 2025, filed 14 Nov 2025.