IIM
AMTM

Intact Investment Management’s Amentum Holdings AMTM Stock Holding History

Intact Investment 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
-7,319
Closed -$173K – 343
2025
Q2 		$173K Buy
7,319
+419
+6% +$8.76K 0.01% 259
2025
Q1 		$126K Sell
6,900
-2,900
-30% -$59.1K ﹤0.01% 267
2024
Q4 		$206K Buy
9,800
+5,440
+125% +$141K 0.01% 253
2024
Q3 		$141K Buy
+4,360
New +$124K ﹤0.01% 254

Other funds holding AMTM

AS
American Securities New York $3.75B AUM 23.12% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $3.38T AUM 44.17% 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
Kovitz Investment Group Partners
Kovitz Investment Group Partners Chicago, Illinois $4.52B AUM 31.84% 1-Year Est. Return
TSW
Thompson Siegel & Walmsley Richmond, Virginia $5.57B AUM 9.46% 1-Year Est. Return

Intact Investment Management's AMTM Position: Q3 2025 in Review

Intact Investment Management sold out of Amentum Holdings (AMTM) in Q3 2025, closing a stake of 7,319 shares — an estimated $173K sold.

Intact Investment Management first reported a position in AMTM in Q3 2024 and held it in 4 quarters. The position peaked at $206K in Q4 2024. 462 funds tracked by Wall St. Rank hold AMTM as of Q3 2025.

  • Intact Investment Management reported no remaining Amentum Holdings position as of Q3 2025 after selling out during the quarter.
  • Intact Investment Management sold 7,319 Amentum Holdings shares in Q3 2025, an estimated $173K.
  • Intact Investment Management first reported a position in Amentum Holdings in Q3 2024 and held it in 4 quarters.
  • Intact Investment Management's Amentum Holdings position peaked at $206K in Q4 2024.
  • 462 funds tracked by Wall St. Rank held Amentum Holdings as of Q3 2025.

Based on Intact Investment Management's 13F filing for Q3 2025, filed 31 Oct 2025.