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Weiss Asset Management’s Mattel MAT Stock Holding History

Weiss 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
Q2 		$171K Sell
12,312
-93,788
-88% -$1.37M ﹤0.01% 596
2026
Q1 		$1.54M Buy
+106,100
New +$1.93M 0.03% 287
2024
Q2 		– Sell
-354,664
Closed -$7.03M – 370
2024
Q1 		$7.03M Buy
+354,664
New +$6.72M 0.24% 91

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

Weiss Asset Management's MAT Position: Q2 2026 in Review

Weiss Asset Management reduced its Mattel (MAT) stake by 88% in Q2 2026, selling an estimated $1.37M and leaving 12,312 shares worth $171K. The position accounts for ﹤0.01% of the portfolio, ranked #596.

Weiss Asset Management first reported a position in MAT in Q1 2024 and has held it in 3 quarters since. The position peaked at $7.03M in Q1 2024. 403 funds tracked by Wall St. Rank hold MAT as of Q2 2026.

  • Weiss Asset Management held 12,312 shares of Mattel worth $171K as of Q2 2026.
  • Weiss Asset Management sold 93,788 Mattel shares in Q2 2026, an estimated $1.37M.
  • Mattel made up ﹤0.01% of Weiss Asset Management's portfolio in Q2 2026, its #596 holding.
  • Weiss Asset Management first reported a position in Mattel in Q1 2024 and has held it in 3 quarters since.
  • Weiss Asset Management's Mattel position peaked at $7.03M in Q1 2024.
  • 403 funds tracked by Wall St. Rank held Mattel as of Q2 2026.

Based on Weiss Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.