K.J. Harrison & Partners’s Mattel MAT Stock Holding History

K.J. Harrison & Partners’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	$756K	Sell	52,000 -190,000	-79%	-$3.46M	0.12%	150
2025 Q4	$4.8M	Buy	242,000 +225,000	+1,324%	+$4.35M	0.64%	41
2025 Q3	$293K	Buy	+17,000	New	+$310K	0.04%	189
2025 Q1	–	Sell	-67,000	Closed	-$1.19M	–	195
2024 Q4	$1.19M	Buy	67,000 +17,000	+34%	+$321K	0.19%	114
2024 Q3	$921K	Buy	+50,000	New	+$921K	0.14%	140
2017 Q2	–	Sell	-15,000	Closed	-$384K	–	184
2017 Q1	$384K	Hold	15,000	–	–	0.16%	133
2016 Q4	$413K	Buy	15,000 +5,000	+50%	+$152K	0.16%	154
2016 Q3	$303K	Buy	+10,000	New	+$327K	0.14%	163

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

K.J. Harrison & Partners's MAT Position: Q1 2026 in Review

K.J. Harrison & Partners reduced its Mattel (MAT) stake by 79% in Q1 2026, selling an estimated $3.46M and leaving 52,000 shares worth $756K. The position accounts for 0.12% of the portfolio, ranked #150.

K.J. Harrison & Partners first reported a position in MAT in Q3 2016 and has held it in 8 quarters since. The position peaked at $4.8M in Q4 2025. 427 funds tracked by Wall St. Rank hold MAT as of Q1 2026.

K.J. Harrison & Partners held 52,000 shares of Mattel worth $756K as of Q1 2026.
K.J. Harrison & Partners sold 190,000 Mattel shares in Q1 2026, an estimated $3.46M.
Mattel made up 0.12% of K.J. Harrison & Partners's portfolio in Q1 2026, its #150 holding.
K.J. Harrison & Partners first reported a position in Mattel in Q3 2016 and has held it in 8 quarters since.
K.J. Harrison & Partners's Mattel position peaked at $4.8M in Q4 2025.
427 funds tracked by Wall St. Rank held Mattel as of Q1 2026.

Based on K.J. Harrison & Partners's 13F filing for Q1 2026, filed 28 Apr 2026.