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Thompson Investment Management’s Mattel MAT Stock Holding History

Thompson Investment 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 		$420K Buy
30,230
+2,000
+7% +$29.3K 0.05% 147
2026
Q1 		$410K Buy
28,230
+16,050
+132% +$292K 0.05% 140
2025
Q4 		$242K Hold
12,180
– – 0.03% 161
2025
Q3 		$205K Hold
12,180
– – 0.03% 175
2025
Q2 		$240K Hold
12,180
– – 0.03% 164
2025
Q1 		$237K Sell
12,180
-4,600
-27% -$91.3K 0.04% 167
2024
Q4 		$298K Hold
16,780
– – 0.04% 156
2024
Q3 		$320K Buy
16,780
+2,000
+14% +$36.9K 0.05% 147
2024
Q2 		$240K Hold
14,780
– – 0.04% 159
2024
Q1 		$293K Buy
14,780
+1,200
+9% +$22.7K 0.04% 155
2023
Q4 		$256K Buy
+13,580
New +$264K 0.04% 161
2020
Q1 		– Sell
-31,700
Closed -$430K – 185
2019
Q4 		$430K Buy
31,700
+2,500
+9% +$29.7K 0.07% 139
2019
Q3 		$333K Sell
29,200
-4,600
-14% -$52.6K 0.07% 150
2019
Q2 		$379K Sell
33,800
-6,740
-17% -$79.2K 0.07% 142
2019
Q1 		$527K Hold
40,540
– – 0.1% 117
2018
Q4 		$405K Sell
40,540
-11,765
-22% -$156K 0.1% 122
2018
Q3 		$821K Hold
52,305
– – 0.15% 99
2018
Q2 		$859K Sell
52,305
-400
-0.8% -$6.07K 0.16% 99
2018
Q1 		$693K Sell
52,705
-385
-0.7% -$6K 0.13% 105
2017
Q4 		$817K Buy
53,090
+15,025
+39% +$238K 0.14% 103
2017
Q3 		$589K Buy
38,065
+10,245
+37% +$183K 0.11% 112
2017
Q2 		$599K Buy
+27,820
New +$629K 0.11% 110

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

Thompson Investment Management's MAT Position: Q2 2026 in Review

Thompson Investment Management increased its Mattel (MAT) stake by 7.1% in Q2 2026, buying an estimated $29.3K and bringing the position to 30,230 shares worth $420K. The position accounts for 0.05% of the portfolio, ranked #147.

Thompson Investment Management first reported a position in MAT in Q2 2017 and has held it in 22 quarters since. The position peaked at $859K in Q2 2018. 403 funds tracked by Wall St. Rank hold MAT as of Q2 2026.

  • Thompson Investment Management held 30,230 shares of Mattel worth $420K as of Q2 2026.
  • Thompson Investment Management bought 2,000 Mattel shares in Q2 2026, an estimated $29.3K.
  • Mattel made up 0.05% of Thompson Investment Management's portfolio in Q2 2026, its #147 holding.
  • Thompson Investment Management first reported a position in Mattel in Q2 2017 and has held it in 22 quarters since.
  • Thompson Investment Management's Mattel position peaked at $859K in Q2 2018.
  • 403 funds tracked by Wall St. Rank held Mattel as of Q2 2026.

Based on Thompson Investment Management's 13F filing for Q2 2026, filed 13 Jul 2026.