Walleye Capital
MAT icon

Walleye Capital’s Mattel MAT Stock Holding History

Walleye Capital’s Portfolio MAT Stock Details MAT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$62.5K Sell
4,300
-7,200
-63% -$131K ﹤0.01% 3833
2025
Q4 		$228K Buy
+11,500
New +$222K ﹤0.01% 3472
2025
Q3 		– Sell
-5,600
Closed -$110K – 4860
2025
Q2 		$110K Sell
5,600
-2,000
-26% -$35.6K ﹤0.01% 3729
2025
Q1 		$148K Sell
7,600
-428,200
-98% -$8.5M ﹤0.01% 3442
2024
Q4 		$7.73M Sell
435,800
-12,400
-3% -$234K 0.02% 793
2024
Q3 		$8.54M Buy
448,200
+12,200
+3% +$225K 0.02% 796
2024
Q2 		$7.09M Buy
436,000
+419,400
+2,527% +$7.6M 0.01% 1014
2024
Q1 		$329K Sell
16,600
-28,700
-63% -$544K ﹤0.01% 3575
2023
Q4 		$855K Sell
45,300
-5,700
-11% -$111K ﹤0.01% 2489
2023
Q3 		$1.12M Buy
+51,000
New +$1.09M ﹤0.01% 2168
2019
Q4 		– Sell
-13,300
Closed -$151K – 2062
2019
Q3 		$151K Sell
13,300
-62,700
-83% -$717K 0.01% 1303
2019
Q2 		$852K Buy
+76,000
New +$893K 0.09% 318

Other funds holding MAT

EIG
EdgePoint Investment Group Toronto, Ontario, Canada $12.5B AUM 31.7% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
AI
Ariel Investments Chicago, Illinois $8.93B AUM 29.58% 1-Year Est. Return
SAM
Southeastern Asset Management Memphis, Tennessee $2.03B AUM 7.06% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return

Walleye Capital's MAT Position: Q1 2026 in Review

Walleye Capital increased its Mattel (MAT) stake by 34,688% in Q1 2026, buying an estimated $6.59M and bringing the position to 362,496 shares worth $5.27M. The position accounts for 0.02% of the portfolio, ranked #772.

Walleye Capital first reported a position in MAT in Q2 2023 and has held it in 11 quarters since. The position peaked at $7.42M in Q3 2025. 426 funds tracked by Wall St. Rank hold MAT as of Q1 2026.

  • Walleye Capital held 362,496 shares of Mattel worth $5.27M as of Q1 2026.
  • Walleye Capital bought 361,454 Mattel shares in Q1 2026, an estimated $6.59M.
  • Mattel made up 0.02% of Walleye Capital's portfolio in Q1 2026, its #772 holding.
  • Walleye Capital first reported a position in Mattel in Q2 2023 and has held it in 11 quarters since.
  • Walleye Capital's Mattel position peaked at $7.42M in Q3 2025.
  • 426 funds tracked by Wall St. Rank held Mattel as of Q1 2026.

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