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OP Asset Management’s Mattel MAT Stock Holding History

OP Asset Management’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
-40,877
Closed -$811K – 856
2025
Q4 		$811K Hold
40,877
– – 0.01% 609
2025
Q3 		$688K Sell
40,877
-17,548
-30% -$320K 0.01% 644
2025
Q2 		$1.15M Buy
58,425
+17,708
+43% +$315K 0.02% 588
2025
Q1 		$791K Buy
+40,717
New +$808K 0.01% 632

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

OP Asset Management's MAT Position: Q1 2026 in Review

OP Asset Management sold out of Mattel (MAT) in Q1 2026, closing a stake of 40,877 shares — an estimated $811K sold.

OP Asset Management first reported a position in MAT in Q1 2025 and held it in 4 quarters. The position peaked at $1.15M in Q2 2025. 427 funds tracked by Wall St. Rank hold MAT as of Q1 2026.

  • OP Asset Management reported no remaining Mattel position as of Q1 2026 after selling out during the quarter.
  • OP Asset Management sold 40,877 Mattel shares in Q1 2026, an estimated $811K.
  • OP Asset Management first reported a position in Mattel in Q1 2025 and held it in 4 quarters.
  • OP Asset Management's Mattel position peaked at $1.15M in Q2 2025.
  • 427 funds tracked by Wall St. Rank held Mattel as of Q1 2026.

Based on OP Asset Management's 13F filing for Q1 2026, filed 9 Apr 2026.