AC
AMTM

Aristeia Capital’s Amentum Holdings AMTM Stock Holding History

Aristeia Capital’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 		– Sell
-20,605
Closed -$537K – 892
2026
Q1 		$537K Buy
+20,605
New +$647K 0.01% 352
2025
Q3 		– Sell
-13,568
Closed -$320K – 638
2025
Q2 		$320K Buy
+13,568
New +$284K 0.01% 289

Other funds holding AMTM

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
TCA
Troluce Capital Advisors Dorado, Puerto Rico $971M AUM 2.27% 1-Year Est. Return

Aristeia Capital's AMTM Position: Q2 2026 in Review

Aristeia Capital sold out of Amentum Holdings (AMTM) in Q2 2026, closing a stake of 20,605 shares — an estimated $537K sold.

Aristeia Capital first reported a position in AMTM in Q2 2025 and held it in 2 quarters. The position peaked at $537K in Q1 2026. 458 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Aristeia Capital reported no remaining Amentum Holdings position as of Q2 2026 after selling out during the quarter.
  • Aristeia Capital sold 20,605 Amentum Holdings shares in Q2 2026, an estimated $537K.
  • Aristeia Capital first reported a position in Amentum Holdings in Q2 2025 and held it in 2 quarters.
  • Aristeia Capital's Amentum Holdings position peaked at $537K in Q1 2026.
  • 458 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

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