WAS
AMTM

Winch Advisory Services’s Amentum Holdings AMTM Stock Holding History

Winch Advisory Services’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
-365
Closed -$10.6K – 526
2025
Q4 		$10.6K Hold
365
– – ﹤0.01% 306
2025
Q3 		$8.74K Hold
365
– – ﹤0.01% 324
2025
Q2 		$8.62K Sell
365
-175
-32% -$3.66K ﹤0.01% 310
2025
Q1 		$9.83K Hold
540
– – ﹤0.01% 283
2024
Q4 		$11.4K Hold
540
– – ﹤0.01% 283
2024
Q3 		$17.4K Buy
+540
New +$15.4K ﹤0.01% 223

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
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Winch Advisory Services's AMTM Position: Q1 2026 in Review

Winch Advisory Services sold out of Amentum Holdings (AMTM) in Q1 2026, closing a stake of 365 shares — an estimated $10.6K sold.

Winch Advisory Services first reported a position in AMTM in Q3 2024 and held it in 6 quarters. The position peaked at $17.4K in Q3 2024. 486 funds tracked by Wall St. Rank hold AMTM as of Q1 2026.

  • Winch Advisory Services reported no remaining Amentum Holdings position as of Q1 2026 after selling out during the quarter.
  • Winch Advisory Services sold 365 Amentum Holdings shares in Q1 2026, an estimated $10.6K.
  • Winch Advisory Services first reported a position in Amentum Holdings in Q3 2024 and held it in 6 quarters.
  • Winch Advisory Services's Amentum Holdings position peaked at $17.4K in Q3 2024.
  • 486 funds tracked by Wall St. Rank held Amentum Holdings as of Q1 2026.

Based on Winch Advisory Services's 13F filing for Q1 2026, filed 30 Apr 2026.