KBC Group
AMTM

KBC Group’s Amentum Holdings AMTM Stock Holding History

KBC Group’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 		$142K Sell
5,431
-417
-7% -$13.1K ﹤0.01% 1122
2025
Q4 		$170K Sell
5,848
-278
-5% -$7.11K ﹤0.01% 983
2025
Q3 		$147K Hold
6,126
– – ﹤0.01% 1044
2025
Q2 		$145K Sell
6,126
-1,213
-17% -$25.4K ﹤0.01% 1004
2025
Q1 		$134K Buy
7,339
+918
+14% +$18.7K ﹤0.01% 1315
2024
Q4 		$135K Sell
6,421
-6,415
-50% -$166K ﹤0.01% 1360
2024
Q3 		$414K Buy
+12,836
New +$366K ﹤0.01% 740

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

KBC Group's AMTM Position: Q1 2026 in Review

KBC Group reduced its Amentum Holdings (AMTM) stake by 7.1% in Q1 2026, selling an estimated $13.1K and leaving 5,431 shares worth $142K. The position accounts for ﹤0.01% of the portfolio, ranked #1122.

KBC Group first reported a position in AMTM in Q3 2024 and has held it in 7 quarters since. The position peaked at $414K in Q3 2024. 486 funds tracked by Wall St. Rank hold AMTM as of Q1 2026.

  • KBC Group held 5,431 shares of Amentum Holdings worth $142K as of Q1 2026.
  • KBC Group sold 417 Amentum Holdings shares in Q1 2026, an estimated $13.1K.
  • Amentum Holdings made up ﹤0.01% of KBC Group's portfolio in Q1 2026, its #1122 holding.
  • KBC Group first reported a position in Amentum Holdings in Q3 2024 and has held it in 7 quarters since.
  • KBC Group's Amentum Holdings position peaked at $414K in Q3 2024.
  • 486 funds tracked by Wall St. Rank held Amentum Holdings as of Q1 2026.

Based on KBC Group's 13F filing for Q1 2026, filed 7 May 2026.