DS
AMTM

David Shaw’s Amentum Holdings AMTM Stock Holding History

David Shaw’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 		$3.96M Buy
191,488
+125,317
+189% +$3.03M ﹤0.01% 2608
2026
Q1 		$1.73M Buy
+66,171
New +$2.08M ﹤0.01% 3029
2025
Q1 		– Sell
-119,936
Closed -$2.52M – 4840
2024
Q4 		$2.52M Buy
119,936
+33,546
+39% +$867K ﹤0.01% 2547
2024
Q3 		$2.79M Buy
+86,390
New +$2.46M ﹤0.01% 2437

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

David Shaw's AMTM Position: Q2 2026 in Review

David Shaw increased its Amentum Holdings (AMTM) stake by 189% in Q2 2026, buying an estimated $3.03M and bringing the position to 191,488 shares worth $3.96M. The position accounts for ﹤0.01% of the portfolio, ranked #2608.

David Shaw first reported a position in AMTM in Q3 2024 and has held it in 4 quarters since. 457 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • David Shaw held 191,488 shares of Amentum Holdings worth $3.96M as of Q2 2026.
  • David Shaw bought 125,317 Amentum Holdings shares in Q2 2026, an estimated $3.03M.
  • Amentum Holdings made up ﹤0.01% of David Shaw's portfolio in Q2 2026, its #2608 holding.
  • David Shaw first reported a position in Amentum Holdings in Q3 2024 and has held it in 4 quarters since.
  • 457 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.