HBK Investments’s Mattel MAT Stock Holding History

HBK Investments’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	$18M	Hold	1,300,000	–	–	0.18%	54
2026 Q1	$18.9M	Buy	+1,300,000	New	+$23.7M	0.19%	54
2019 Q2	–	Sell	-18,800	Closed	-$244K	–	874
2019 Q1	$244K	Buy	+18,800	New	+$251K	﹤0.01%	955
2016 Q2	–	Sell	-234,000	Closed	-$7.87M	–	1026
2016 Q1	$7.87M	Buy	+234,000	New	+$7.11M	0.08%	182
2013 Q4	–	Sell	-15,500	Closed	-$649K	–	958
2013 Q3	$649K	Buy	+15,500	New	+$663K	0.01%	569

Other funds holding MAT

EIG

EdgePoint Investment Group Toronto, Ontario, Canada $13.2B AUM 32.43% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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 Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return

HBK Investments's MAT Position: Q2 2026 in Review

HBK Investments held its Mattel (MAT) position steady in Q2 2026 at 1,300,000 shares worth $18M. The position accounts for 0.18% of the portfolio, ranked #54.

HBK Investments first reported a position in MAT in Q3 2013 and has held it in 5 quarters since. The position peaked at $18.9M in Q1 2026. 401 funds tracked by Wall St. Rank hold MAT as of Q2 2026.

HBK Investments held 1,300,000 shares of Mattel worth $18M as of Q2 2026.
HBK Investments left its Mattel share count unchanged in Q2 2026.
Mattel made up 0.18% of HBK Investments's portfolio in Q2 2026, its #54 holding.
HBK Investments first reported a position in Mattel in Q3 2013 and has held it in 5 quarters since.
HBK Investments's Mattel position peaked at $18.9M in Q1 2026.
401 funds tracked by Wall St. Rank held Mattel as of Q2 2026.

Based on HBK Investments's 13F filing for Q2 2026, filed 14 Aug 2026.