CCM
AMTM

Cinctive Capital Management’s Amentum Holdings AMTM Stock Holding History

Cinctive Capital 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 		$207K Buy
+10,000
New +$242K 0.01% 404
2025
Q1 		– Sell
-91,085
Closed -$1.92M – 485
2024
Q4 		$1.92M Buy
+91,085
New +$2.35M 0.1% 221

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 $3.37T AUM 44.26% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return

Cinctive Capital Management's AMTM Position: Q2 2026 in Review

Cinctive Capital Management opened a new position in Amentum Holdings (AMTM) in Q2 2026: 10,000 shares worth $207K. The stake represents 0.01% of the portfolio and ranks #404 among its holdings. This is a return to the name: Cinctive Capital Management previously reported a position in AMTM as recently as Q4 2024.

Cinctive Capital Management first reported a position in AMTM in Q4 2024 and has held it in 2 quarters since. The position peaked at $1.92M in Q4 2024. 462 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Cinctive Capital Management held 10,000 shares of Amentum Holdings worth $207K as of Q2 2026.
  • Amentum Holdings was a new Cinctive Capital Management position in Q2 2026.
  • Amentum Holdings made up 0.01% of Cinctive Capital Management's portfolio in Q2 2026, its #404 holding.
  • Cinctive Capital Management first reported a position in Amentum Holdings in Q4 2024 and has held it in 2 quarters since.
  • Cinctive Capital Management's Amentum Holdings position peaked at $1.92M in Q4 2024.
  • 462 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Cinctive Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.