IIM
AMTM

INTECH Investment Management’s Amentum Holdings AMTM Stock Holding History

INTECH 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
2026
Q2 		$1.01M Buy
+48,767
New +$1.18M 0.01% 1028
2024
Q4 		– Sell
-31,245
Closed -$1.01M – 2425
2024
Q3 		$1.01M Buy
+31,245
New +$890K 0.01% 802

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
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return

INTECH Investment Management's AMTM Position: Q2 2026 in Review

INTECH Investment Management opened a new position in Amentum Holdings (AMTM) in Q2 2026: 48,767 shares worth $1.01M. The stake represents 0.01% of the portfolio and ranks #1028 among its holdings. This is a return to the name: INTECH Investment Management previously reported a position in AMTM as recently as Q3 2024.

INTECH Investment Management first reported a position in AMTM in Q3 2024 and has held it in 2 quarters since. 464 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • INTECH Investment Management held 48,767 shares of Amentum Holdings worth $1.01M as of Q2 2026.
  • Amentum Holdings was a new INTECH Investment Management position in Q2 2026.
  • Amentum Holdings made up 0.01% of INTECH Investment Management's portfolio in Q2 2026, its #1028 holding.
  • INTECH Investment Management first reported a position in Amentum Holdings in Q3 2024 and has held it in 2 quarters since.
  • 464 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on INTECH Investment Management's 13F filing for Q2 2026, filed 10 Aug 2026.