SFI
AMTM

Susquehanna Fundamental Investments’s Amentum Holdings AMTM Stock Holding History

Susquehanna Fundamental Investments’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 		$8.15M Buy
394,370
+176,590
+81% +$4.27M 0.15% 162
2026
Q1 		$5.68M Sell
217,780
-2,151
-1% -$67.5K 0.21% 114
2025
Q4 		$6.38M Buy
219,931
+165,594
+305% +$4.23M 0.22% 120
2025
Q3 		$1.3M Buy
+54,337
New +$1.32M 0.05% 294

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

Susquehanna Fundamental Investments's AMTM Position: Q2 2026 in Review

Susquehanna Fundamental Investments increased its Amentum Holdings (AMTM) stake by 81% in Q2 2026, buying an estimated $4.27M and bringing the position to 394,370 shares worth $8.15M. The position accounts for 0.15% of the portfolio, ranked #162.

Susquehanna Fundamental Investments first reported a position in AMTM in Q3 2025 and has held it in 4 quarters since. 464 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Susquehanna Fundamental Investments held 394,370 shares of Amentum Holdings worth $8.15M as of Q2 2026.
  • Susquehanna Fundamental Investments bought 176,590 Amentum Holdings shares in Q2 2026, an estimated $4.27M.
  • Amentum Holdings made up 0.15% of Susquehanna Fundamental Investments's portfolio in Q2 2026, its #162 holding.
  • Susquehanna Fundamental Investments first reported a position in Amentum Holdings in Q3 2025 and has held it in 4 quarters since.
  • 464 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Susquehanna Fundamental Investments's 13F filing for Q2 2026, filed 14 Aug 2026.