Walleye Capital
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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
Q2 		$221K Buy
+15,900
New +$233K ﹤0.01% 3429
2026
Q1 		– Sell
-9,100
Closed -$181K – 4727
2025
Q4 		$181K Buy
+9,100
New +$176K ﹤0.01% 3590
2025
Q3 		– Sell
-5,600
Closed -$110K – 4861
2025
Q2 		$110K Sell
5,600
-12,500
-69% -$222K ﹤0.01% 3730
2025
Q1 		$352K Sell
18,100
-6,400
-26% -$127K ﹤0.01% 2835
2024
Q4 		$434K Sell
24,500
-12,300
-33% -$233K ﹤0.01% 3104
2024
Q3 		$701K Sell
36,800
-182,800
-83% -$3.37M ﹤0.01% 2987
2024
Q2 		$3.57M Buy
219,600
+127,700
+139% +$2.31M 0.01% 1560
2024
Q1 		$1.82M Sell
91,900
-100
-0.1% -$1.9K ﹤0.01% 2062
2023
Q4 		$1.74M Sell
92,000
-17,400
-16% -$338K ﹤0.01% 1897
2023
Q3 		$2.41M Buy
109,400
+102,300
+1,441% +$2.19M 0.01% 1588
2023
Q2 		$139K Buy
+7,100
New +$128K ﹤0.01% 3291
2019
Q4 		– Sell
-11,300
Closed -$129K – 2063
2019
Q3 		$129K Sell
11,300
-2,600
-19% -$29.7K 0.01% 1356
2019
Q2 		$156K Buy
+13,900
New +$163K 0.02% 1066

Other funds holding MAT

EIG
EdgePoint Investment Group Toronto, Ontario, Canada $13.2B AUM 32.43% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
SAM
Southeastern Asset Management Memphis, Tennessee $1.92B AUM 6.41% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return

Walleye Capital's MAT Position: Q2 2026 in Review

Walleye Capital reduced its Mattel (MAT) stake by 99% in Q2 2026, selling an estimated $5.26M and leaving 3,183 shares worth $44.2K. The position accounts for ﹤0.01% of the portfolio, ranked #4217.

Walleye Capital first reported a position in MAT in Q2 2023 and has held it in 12 quarters since. The position peaked at $7.42M in Q3 2025. 404 funds tracked by Wall St. Rank hold MAT as of Q2 2026.

  • Walleye Capital held 3,183 shares of Mattel worth $44.2K as of Q2 2026.
  • Walleye Capital sold 359,313 Mattel shares in Q2 2026, an estimated $5.26M.
  • Mattel made up ﹤0.01% of Walleye Capital's portfolio in Q2 2026, its #4217 holding.
  • Walleye Capital first reported a position in Mattel in Q2 2023 and has held it in 12 quarters since.
  • Walleye Capital's Mattel position peaked at $7.42M in Q3 2025.
  • 404 funds tracked by Wall St. Rank held Mattel as of Q2 2026.

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