WWM
AMTM

Whalen Wealth Management’s Amentum Holdings AMTM Stock Holding History

Whalen Wealth 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
-11,616
Closed -$274K – 277
2025
Q2 		$274K Buy
+11,616
New +$243K 0.17% 147

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

Whalen Wealth Management's AMTM Position: Q3 2025 in Review

Whalen Wealth Management sold out of Amentum Holdings (AMTM) in Q3 2025, closing a stake of 11,616 shares — an estimated $274K sold.

Whalen Wealth Management first reported a position in AMTM in Q2 2025 and held it in 1 quarter. The position peaked at $274K in Q2 2025. 462 funds tracked by Wall St. Rank hold AMTM as of Q3 2025.

  • Whalen Wealth Management reported no remaining Amentum Holdings position as of Q3 2025 after selling out during the quarter.
  • Whalen Wealth Management sold 11,616 Amentum Holdings shares in Q3 2025, an estimated $274K.
  • Whalen Wealth Management first reported a position in Amentum Holdings in Q2 2025 and held it in 1 quarter.
  • Whalen Wealth Management's Amentum Holdings position peaked at $274K in Q2 2025.
  • 462 funds tracked by Wall St. Rank held Amentum Holdings as of Q3 2025.

Based on Whalen Wealth Management's 13F filing for Q3 2025, filed 9 Oct 2025.