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Rossby Financial’s Mattel MAT Stock Holding History

Rossby Financial’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 		$1.33K Hold
96
– – ﹤0.01% 1840
2026
Q1 		$1.4K Buy
96
+86
+860% +$1.57K ﹤0.01% 1912
2025
Q4 		$198 Buy
+10
New +$193 ﹤0.01% 1749

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

Rossby Financial's MAT Position: Q2 2026 in Review

Rossby Financial held its Mattel (MAT) position steady in Q2 2026 at 96 shares worth $1.33K. The position accounts for ﹤0.01% of the portfolio, ranked #1840.

Rossby Financial first reported a position in MAT in Q4 2025 and has held it in 3 quarters since. The position peaked at $1.4K in Q1 2026. 403 funds tracked by Wall St. Rank hold MAT as of Q2 2026.

  • Rossby Financial held 96 shares of Mattel worth $1.33K as of Q2 2026.
  • Rossby Financial left its Mattel share count unchanged in Q2 2026.
  • Mattel made up ﹤0.01% of Rossby Financial's portfolio in Q2 2026, its #1840 holding.
  • Rossby Financial first reported a position in Mattel in Q4 2025 and has held it in 3 quarters since.
  • Rossby Financial's Mattel position peaked at $1.4K in Q1 2026.
  • 403 funds tracked by Wall St. Rank held Mattel as of Q2 2026.

Based on Rossby Financial's 13F filing for Q2 2026, filed 4 Aug 2026.