IP
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Interval Partners’s Mattel MAT Stock Holding History

Interval 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
2026
Q2 		– Sell
-1,193,062
Closed -$17.3M – 338
2026
Q1 		$17.3M Buy
+1,193,062
New +$21.7M 0.45% 67
2018
Q3 		– Sell
-250,000
Closed -$4.11M – 227
2018
Q2 		$4.11M Buy
+250,000
New +$3.79M 0.15% 143

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

Interval Partners's MAT Position: Q2 2026 in Review

Interval Partners sold out of Mattel (MAT) in Q2 2026, closing a stake of 1,193,062 shares — an estimated $17.3M sold.

Interval Partners first reported a position in MAT in Q2 2018 and held it in 2 quarters. The position peaked at $17.3M in Q1 2026. 403 funds tracked by Wall St. Rank hold MAT as of Q2 2026.

  • Interval Partners reported no remaining Mattel position as of Q2 2026 after selling out during the quarter.
  • Interval Partners sold 1,193,062 Mattel shares in Q2 2026, an estimated $17.3M.
  • Interval Partners first reported a position in Mattel in Q2 2018 and held it in 2 quarters.
  • Interval Partners's Mattel position peaked at $17.3M in Q1 2026.
  • 403 funds tracked by Wall St. Rank held Mattel as of Q2 2026.

Based on Interval Partners's 13F filing for Q2 2026, filed 14 Aug 2026.