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
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 $3.93B AUM 52.22% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Walleye Capital's AMTM Position: Q1 2026 in Review

Walleye Capital increased its Amentum Holdings (AMTM) stake by 3,348% in Q1 2026, buying an estimated $117K and bringing the position to 3,827 shares worth $99.8K. The position accounts for ﹤0.01% of the portfolio, ranked #3675.

Walleye Capital first reported a position in AMTM in Q3 2024 and has held it in 5 quarters since. The position peaked at $256K in Q1 2025. 486 funds tracked by Wall St. Rank hold AMTM as of Q1 2026.

  • Walleye Capital held 3,827 shares of Amentum Holdings worth $99.8K as of Q1 2026.
  • Walleye Capital bought 3,716 Amentum Holdings shares in Q1 2026, an estimated $117K.
  • Amentum Holdings made up ﹤0.01% of Walleye Capital's portfolio in Q1 2026, its #3675 holding.
  • Walleye Capital first reported a position in Amentum Holdings in Q3 2024 and has held it in 5 quarters since.
  • Walleye Capital's Amentum Holdings position peaked at $256K in Q1 2025.
  • 486 funds tracked by Wall St. Rank held Amentum Holdings as of Q1 2026.

Based on Walleye Capital's 13F filing for Q1 2026, filed 11 May 2026.