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Diametric Capital’s Mattel MAT Stock Holding History

Diametric Capital’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 		– Sell
-19,089
Closed -$277K – 598
2026
Q1 		$277K Buy
+19,089
New +$348K 0.07% 349
2025
Q4 		– Sell
-29,025
Closed -$488K – 439
2025
Q3 		$488K Sell
29,025
-72,402
-71% -$1.32M 0.18% 154
2025
Q2 		$2M Buy
+101,427
New +$1.81M 1.07% 17
2025
Q1 		– Sell
-50,914
Closed -$903K – 298
2024
Q4 		$903K Buy
50,914
+28,014
+122% +$530K 0.61% 40
2024
Q3 		$436K Buy
22,900
+7,166
+46% +$132K 0.22% 144
2024
Q2 		$256K Sell
15,734
-6,327
-29% -$115K 0.14% 210
2024
Q1 		$437K Buy
22,061
+2,393
+12% +$45.3K 0.24% 98
2023
Q4 		$371K Sell
19,668
-49,200
-71% -$957K 0.23% 142
2023
Q3 		$1.52M Sell
68,868
-26,746
-28% -$571K 0.63% 40
2023
Q2 		$1.87M Buy
95,614
+4,122
+5% +$74.5K 0.83% 22
2023
Q1 		$1.68M Buy
91,492
+31,743
+53% +$590K 0.81% 21
2022
Q4 		$1.07M Sell
59,749
-141,252
-70% -$2.56M 0.51% 57
2022
Q3 		$3.81M Buy
201,001
+57,587
+40% +$1.29M 1.92% 6
2022
Q2 		$3.2M Buy
143,414
+1,531
+1% +$36.2K 2.36% 4
2022
Q1 		$3.15M Buy
141,883
+37,058
+35% +$847K 1.74% 8
2021
Q4 		$2.26M Buy
104,825
+34,506
+49% +$724K 1.73% 12
2021
Q3 		$1.3M Sell
70,319
-28,404
-29% -$589K 1.03% 32
2021
Q2 		$1.98M Buy
+98,723
New +$2.04M 1.43% 20

Other funds holding MAT

EIG
EdgePoint Investment Group Toronto, Ontario, Canada $13.2B AUM 32.43% 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
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return

Diametric Capital's MAT Position: Q2 2026 in Review

Diametric Capital sold out of Mattel (MAT) in Q2 2026, closing a stake of 19,089 shares — an estimated $277K sold.

Diametric Capital first reported a position in MAT in Q2 2021 and held it in 18 quarters. The position peaked at $3.81M in Q3 2022. 403 funds tracked by Wall St. Rank hold MAT as of Q2 2026.

  • Diametric Capital reported no remaining Mattel position as of Q2 2026 after selling out during the quarter.
  • Diametric Capital sold 19,089 Mattel shares in Q2 2026, an estimated $277K.
  • Diametric Capital first reported a position in Mattel in Q2 2021 and held it in 18 quarters.
  • Diametric Capital's Mattel position peaked at $3.81M in Q3 2022.
  • 403 funds tracked by Wall St. Rank held Mattel as of Q2 2026.

Based on Diametric Capital's 13F filing for Q2 2026, filed 14 Aug 2026.