Jane Street’s Mattel MAT Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$1.62M Sell
111,500
-162,900
-59% -$2.97M ﹤0.01% 5479
2025
Q4
$5.44M Buy
274,400
+179,100
+188% +$3.46M ﹤0.01% 3096
2025
Q3
$1.6M Buy
95,300
+40,600
+74% +$740K ﹤0.01% 5348
2025
Q2
$1.08M Buy
54,700
+35,100
+179% +$625K ﹤0.01% 5470
2025
Q1
$381K Sell
19,600
-56,200
-74% -$1.11M ﹤0.01% 7385
2024
Q4
$1.34M Buy
75,800
+8,500
+13% +$161K ﹤0.01% 4850
2024
Q3
$1.28M Sell
67,300
-162,300
-71% -$2.99M ﹤0.01% 5378
2024
Q2
$3.73M Buy
229,600
+148,400
+183% +$2.69M ﹤0.01% 3432
2024
Q1
$1.61M Sell
81,200
-141,100
-63% -$2.67M ﹤0.01% 4517
2023
Q4
$4.2M Sell
222,300
-11,300
-5% -$220K ﹤0.01% 3107
2023
Q3
$5.15M Buy
233,600
+102,600
+78% +$2.19M ﹤0.01% 2564
2023
Q2
$2.56M Buy
131,000
+84,200
+180% +$1.52M ﹤0.01% 3778
2023
Q1
$862K Sell
46,800
-273,300
-85% -$5.08M ﹤0.01% 5300
2022
Q4
$5.71M Buy
320,100
+227,100
+244% +$4.12M ﹤0.01% 2306
2022
Q3
$1.76M Sell
93,000
-70,900
-43% -$1.59M ﹤0.01% 4409
2022
Q2
$3.66M Sell
163,900
-459,600
-74% -$10.9M ﹤0.01% 3134
2022
Q1
$13.8M Buy
623,500
+508,900
+444% +$11.6M ﹤0.01% 1609
2021
Q4
$2.47M Buy
114,600
+22,400
+24% +$470K ﹤0.01% 4043
2021
Q3
$1.71M Sell
92,200
-7,600
-8% -$158K ﹤0.01% 4789
2021
Q2
$2.01M Sell
99,800
-178,400
-64% -$3.68M ﹤0.01% 4330
2021
Q1
$5.54M Buy
278,200
+143,300
+106% +$2.77M ﹤0.01% 2260
2020
Q4
$2.35M Buy
134,900
+38,500
+40% +$567K ﹤0.01% 3207
2020
Q3
$1.13M Buy
96,400
+40,400
+72% +$449K ﹤0.01% 3900
2020
Q2
$542K Buy
+56,000
New +$508K ﹤0.01% 4961
2018
Q4
Sell
-273,500
Closed -$4.29M 5390
2018
Q3
$4.29M Buy
+273,500
New +$4.38M 0.01% 1165
2018
Q2
Sell
-156,000
Closed -$2.05M 5349
2018
Q1
$2.05M Sell
156,000
-22,500
-13% -$351K 0.01% 1822
2017
Q4
$2.75M Buy
+178,500
New +$2.83M 0.01% 1299
2017
Q3
Sell
-11,300
Closed -$243K 4819
2017
Q2
$243K Sell
11,300
-8,000
-41% -$181K ﹤0.01% 3827
2017
Q1
$494K Sell
19,300
-40,600
-68% -$1.09M ﹤0.01% 2894
2016
Q4
$1.65M Buy
59,900
+48,500
+425% +$1.47M 0.01% 1499
2016
Q3
$345K Sell
11,400
-18,600
-62% -$608K ﹤0.01% 3152
2016
Q2
$939K Sell
30,000
-14,800
-33% -$469K ﹤0.01% 2050
2016
Q1
$1.51M Sell
44,800
-20,900
-32% -$635K 0.01% 1454
2015
Q4
$1.78M Buy
+65,700
New +$1.62M 0.01% 1186

Other funds holding MAT

Jane Street's MAT Position: Q1 2026 in Review

Jane Street sold out of Mattel (MAT) in Q1 2026, closing a stake of 479,254 shares — an estimated $8.73M sold.

Jane Street first reported a position in MAT in Q2 2013 and held it in 43 quarters. The position peaked at $13.7M in Q2 2023. 427 funds tracked by Wall St. Rank hold MAT as of Q1 2026.

  • Jane Street reported no remaining Mattel position as of Q1 2026 after selling out during the quarter.
  • Jane Street sold 479,254 Mattel shares in Q1 2026, an estimated $8.73M.
  • Jane Street first reported a position in Mattel in Q2 2013 and held it in 43 quarters.
  • Jane Street's Mattel position peaked at $13.7M in Q2 2023.
  • 427 funds tracked by Wall St. Rank held Mattel as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.