IMC Chicago
AMTM

IMC Chicago’s Amentum Holdings AMTM Stock Holding History

IMC Chicago’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 		$973K Sell
37,300
-16,400
-31% -$515K ﹤0.01% 3317
2025
Q4 		$1.56M Buy
+53,700
New +$1.37M ﹤0.01% 2621
2025
Q3 		– Sell
-35,900
Closed -$848K – 3987
2025
Q2 		$848K Buy
35,900
+15,900
+80% +$332K ﹤0.01% 2582
2025
Q1 		$364K Buy
+20,000
New +$407K ﹤0.01% 2835

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

IMC Chicago's AMTM Position: Q4 2025 in Review

IMC Chicago sold out of Amentum Holdings (AMTM) in Q4 2025, closing a stake of 19,237 shares — an estimated $492K sold.

IMC Chicago first reported a position in AMTM in Q2 2025 and held it in 2 quarters. The position peaked at $461K in Q3 2025. 483 funds tracked by Wall St. Rank hold AMTM as of Q4 2025.

  • IMC Chicago reported no remaining Amentum Holdings position as of Q4 2025 after selling out during the quarter.
  • IMC Chicago sold 19,237 Amentum Holdings shares in Q4 2025, an estimated $492K.
  • IMC Chicago first reported a position in Amentum Holdings in Q2 2025 and held it in 2 quarters.
  • IMC Chicago's Amentum Holdings position peaked at $461K in Q3 2025.
  • 483 funds tracked by Wall St. Rank held Amentum Holdings as of Q4 2025.

Based on IMC Chicago's 13F filing for Q4 2025, filed 29 Jan 2026.