Walleye Capital
AMTM icon

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
Q3 		$1.58M Buy
87,000
+44,700
+106% +$936K ﹤0.01% 3050
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% 3282

Other funds holding AMTM

American Securities
American Securities New York $2.69B AUM 8.08% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $161B AUM 86.05% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Thompson Siegel & Walmsley
Thompson Siegel & Walmsley Richmond, Virginia $5.37B AUM 3.99% 1-Year Est. Return

Walleye Capital's AMTM Position: Q3 2026 in Review

Walleye Capital reduced its Amentum Holdings (AMTM) stake by 59% in Q3 2026, selling an estimated $171K and leaving 5,680 shares worth $103K. The position accounts for ﹤0.01% of the portfolio, ranked #5177.

Walleye Capital first reported a position in AMTM in Q3 2024 and has held it in 7 quarters since. The position peaked at $286K in Q2 2026. 360 funds tracked by Wall St. Rank hold AMTM as of Q3 2026.

  • Walleye Capital held 5,680 shares of Amentum Holdings worth $103K as of Q3 2026.
  • Walleye Capital sold 8,156 Amentum Holdings shares in Q3 2026, an estimated $171K.
  • Amentum Holdings made up ﹤0.01% of Walleye Capital's portfolio in Q3 2026, its #5177 holding.
  • Walleye Capital first reported a position in Amentum Holdings in Q3 2024 and has held it in 7 quarters since.
  • Walleye Capital's Amentum Holdings position peaked at $286K in Q2 2026.
  • 360 funds tracked by Wall St. Rank held Amentum Holdings as of Q3 2026.

Based on Walleye Capital's 13F filing for Q3 2026, filed 13 Nov 2026.