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	–	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 $12.5B AUM 31.7% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

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

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 Austin, Texas $481B AUM 30.42% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

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.