D.E. Shaw & Co
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D.E. Shaw & Co’s Mattel MAT Stock Holding History

D.E. Shaw & Co’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
2015
Q1 		– Sell
-102,000
Closed -$3.16M – 3848
2014
Q4 		$3.16M Hold
102,000
– – ﹤0.01% 1903
2014
Q3 		$3.13M Hold
102,000
– – ﹤0.01% 1888
2014
Q2 		$3.98M Hold
102,000
– – 0.01% 1784
2014
Q1 		$4.09M Sell
102,000
-25,000
-20% -$993K 0.01% 1743
2013
Q4 		$6.04M Sell
127,000
-1,600
-1% -$71.3K 0.01% 1530
2013
Q3 		$5.38M Hold
128,600
– – 0.01% 1521
2013
Q2 		$5.83M Buy
+128,600
New +$5.76M 0.01% 1245

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

D.E. Shaw & Co's MAT Position: Q1 2026 in Review

D.E. Shaw & Co increased its Mattel (MAT) stake by 64% in Q1 2026, buying an estimated $27.6M and bringing the position to 3,883,399 shares worth $56.4M. The position accounts for 0.03% of the portfolio, ranked #605.

D.E. Shaw & Co first reported a position in MAT in Q2 2013 and has held it in 45 quarters since. The position peaked at $68.3M in Q4 2022. 425 funds tracked by Wall St. Rank hold MAT as of Q1 2026.

  • D.E. Shaw & Co held 3,883,399 shares of Mattel worth $56.4M as of Q1 2026.
  • D.E. Shaw & Co bought 1,512,537 Mattel shares in Q1 2026, an estimated $27.6M.
  • Mattel made up 0.03% of D.E. Shaw & Co's portfolio in Q1 2026, its #605 holding.
  • D.E. Shaw & Co first reported a position in Mattel in Q2 2013 and has held it in 45 quarters since.
  • D.E. Shaw & Co's Mattel position peaked at $68.3M in Q4 2022.
  • 425 funds tracked by Wall St. Rank held Mattel as of Q1 2026.

Based on D.E. Shaw & Co's 13F filing for Q1 2026, filed 15 May 2026.