Walleye Capital
AMTM

Walleye Capital’s Amentum Holdings AMTM Stock Holding History

Walleye 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 		$874K Buy
42,300
+9,000
+27% +$218K ﹤0.01% 2239
2026
Q1 		$868K Buy
33,300
+20,200
+154% +$634K ﹤0.01% 2207
2025
Q4 		$380K Sell
13,100
-1,700
-11% -$43.5K ﹤0.01% 3130
2025
Q3 		$354K Sell
14,800
-16,000
-52% -$390K ﹤0.01% 2878
2025
Q2 		$727K Buy
30,800
+23,800
+340% +$497K ﹤0.01% 2314
2025
Q1 		$127K Sell
7,000
-2,200
-24% -$44.8K ﹤0.01% 3515
2024
Q4 		$193K Sell
9,200
-6,600
-42% -$171K ﹤0.01% 3779
2024
Q3 		$510K Buy
+15,800
New +$450K ﹤0.01% 3280

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

Walleye Capital's AMTM Position: Q2 2026 in Review

Walleye Capital increased its Amentum Holdings (AMTM) stake by 262% in Q2 2026, buying an estimated $242K and bringing the position to 13,836 shares worth $286K. The position accounts for ﹤0.01% of the portfolio, ranked #3220.

Walleye Capital first reported a position in AMTM in Q3 2024 and has held it in 6 quarters since. 462 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Walleye Capital held 13,836 shares of Amentum Holdings worth $286K as of Q2 2026.
  • Walleye Capital bought 10,009 Amentum Holdings shares in Q2 2026, an estimated $242K.
  • Amentum Holdings made up ﹤0.01% of Walleye Capital's portfolio in Q2 2026, its #3220 holding.
  • Walleye Capital first reported a position in Amentum Holdings in Q3 2024 and has held it in 6 quarters since.
  • 462 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Walleye Capital's 13F filing for Q2 2026, filed 3 Aug 2026.