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PDT Partners’s Mattel MAT Stock Holding History

PDT 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
2025
Q3 		– Sell
-38,660
Closed -$762K – 664
2025
Q2 		$762K Sell
38,660
-22,657
-37% -$403K 0.04% 466
2025
Q1 		$1.19M Buy
+61,317
New +$1.22M 0.08% 361
2017
Q1 		– Sell
-211,000
Closed -$5.81M – 507
2016
Q4 		$5.81M Sell
211,000
-83,800
-28% -$2.55M 0.38% 106
2016
Q3 		$8.93M Buy
294,800
+71,500
+32% +$2.34M 0.52% 63
2016
Q2 		$6.99M Buy
+223,300
New +$7.08M 0.55% 59
2014
Q4 		– Sell
-458,824
Closed -$14.1M – 895
2014
Q3 		$14.1M Buy
+458,824
New +$16.2M 0.36% 55
2013
Q4 		– Sell
-95,629
Closed -$4M – 950
2013
Q3 		$4M Buy
95,629
+37,529
+65% +$1.61M 0.11% 238
2013
Q2 		$2.63M Buy
+58,100
New +$2.6M 0.06% 425

Other funds holding MAT

EIG
EdgePoint Investment Group Toronto, Ontario, Canada $13.2B AUM 32.43% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
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
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

PDT Partners's MAT Position: Q3 2025 in Review

PDT Partners sold out of Mattel (MAT) in Q3 2025, closing a stake of 38,660 shares — an estimated $762K sold.

PDT Partners first reported a position in MAT in Q2 2013 and held it in 8 quarters. The position peaked at $14.1M in Q3 2014. 439 funds tracked by Wall St. Rank hold MAT as of Q3 2025.

  • PDT Partners reported no remaining Mattel position as of Q3 2025 after selling out during the quarter.
  • PDT Partners sold 38,660 Mattel shares in Q3 2025, an estimated $762K.
  • PDT Partners first reported a position in Mattel in Q2 2013 and held it in 8 quarters.
  • PDT Partners's Mattel position peaked at $14.1M in Q3 2014.
  • 439 funds tracked by Wall St. Rank held Mattel as of Q3 2025.

Based on PDT Partners's 13F filing for Q3 2025, filed 17 Nov 2025.