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Hennessy Advisors Inc’s Mattel MAT Stock Holding History

Hennessy Advisors Inc’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
-2,463,400
Closed -$48.6M – 331
2025
Q2 		$48.6M Sell
2,463,400
-271,900
-10% -$4.84M 1.62% 11
2025
Q1 		$53.1M Sell
2,735,300
-267,400
-9% -$5.31M 1.77% 7
2024
Q4 		$53.2M Buy
+3,002,700
New +$56.8M 1.58% 17
2021
Q4 		– Sell
-748,000
Closed -$13.9M – 289
2021
Q3 		$13.9M Sell
748,000
-47,200
-6% -$978K 0.83% 26
2021
Q2 		$16M Hold
795,200
– – 0.89% 23
2021
Q1 		$15.8M Sell
795,200
-64,900
-8% -$1.25M 0.92% 23
2020
Q4 		$15M Buy
+860,100
New +$12.7M 0.96% 16

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

Hennessy Advisors Inc's MAT Position: Q3 2025 in Review

Hennessy Advisors Inc sold out of Mattel (MAT) in Q3 2025, closing a stake of 2,463,400 shares — an estimated $48.6M sold.

Hennessy Advisors Inc first reported a position in MAT in Q4 2020 and held it in 7 quarters. The position peaked at $53.2M in Q4 2024. 439 funds tracked by Wall St. Rank hold MAT as of Q3 2025.

  • Hennessy Advisors Inc reported no remaining Mattel position as of Q3 2025 after selling out during the quarter.
  • Hennessy Advisors Inc sold 2,463,400 Mattel shares in Q3 2025, an estimated $48.6M.
  • Hennessy Advisors Inc first reported a position in Mattel in Q4 2020 and held it in 7 quarters.
  • Hennessy Advisors Inc's Mattel position peaked at $53.2M in Q4 2024.
  • 439 funds tracked by Wall St. Rank held Mattel as of Q3 2025.

Based on Hennessy Advisors Inc's 13F filing for Q3 2025, filed 20 Oct 2025.