IMCOOI
AMTM

Investment Management Corp of Ontario (IMCO)’s Amentum Holdings AMTM Stock Holding History

Investment Management Corp of Ontario (IMCO)’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
Q1 		– Sell
-28,214
Closed -$593K – 669
2024
Q4 		$593K Buy
28,214
+1,158
+4% +$29.9K 0.02% 278
2024
Q3 		$873K Buy
+27,056
New +$771K 0.02% 424

Other funds holding AMTM

AS
American Securities New York $3.75B AUM 23.12% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 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 $169B AUM 114.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return
TSW
Thompson Siegel & Walmsley Richmond, Virginia $5.57B AUM 9.46% 1-Year Est. Return
Kovitz Investment Group Partners
Kovitz Investment Group Partners Chicago, Illinois $4.52B AUM 31.84% 1-Year Est. Return

Investment Management Corp of Ontario (IMCO)'s AMTM Position: Q1 2025 in Review

Investment Management Corp of Ontario (IMCO) sold out of Amentum Holdings (AMTM) in Q1 2025, closing a stake of 28,214 shares — an estimated $593K sold.

Investment Management Corp of Ontario (IMCO) first reported a position in AMTM in Q3 2024 and held it in 2 quarters. The position peaked at $873K in Q3 2024. 419 funds tracked by Wall St. Rank hold AMTM as of Q1 2025.

  • Investment Management Corp of Ontario (IMCO) reported no remaining Amentum Holdings position as of Q1 2025 after selling out during the quarter.
  • Investment Management Corp of Ontario (IMCO) sold 28,214 Amentum Holdings shares in Q1 2025, an estimated $593K.
  • Investment Management Corp of Ontario (IMCO) first reported a position in Amentum Holdings in Q3 2024 and held it in 2 quarters.
  • Investment Management Corp of Ontario (IMCO)'s Amentum Holdings position peaked at $873K in Q3 2024.
  • 419 funds tracked by Wall St. Rank held Amentum Holdings as of Q1 2025.

Based on Investment Management Corp of Ontario (IMCO)'s 13F filing for Q1 2025, filed 15 May 2025.