Two Sigma Investments
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Two Sigma Investments’s Mattel MAT Stock Holding History

Two Sigma Investments’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 		$543K Buy
+39,100
New +$572K ﹤0.01% 4097
2022
Q1 		– Sell
-11,400
Closed -$246K – 3647
2021
Q4 		$246K Buy
+11,400
New +$239K ﹤0.01% 3784
2021
Q3 		– Sell
-11,100
Closed -$223K – 4509
2021
Q2 		$223K Sell
11,100
-100
-0.9% -$2.06K ﹤0.01% 3717
2021
Q1 		$223K Sell
11,200
-50,500
-82% -$976K ﹤0.01% 3560
2020
Q4 		$1.08M Buy
61,700
+45,200
+274% +$666K ﹤0.01% 1940
2020
Q3 		$193K Buy
16,500
+700
+4% +$7.78K ﹤0.01% 2832
2020
Q2 		$153K Buy
+15,800
New +$143K ﹤0.01% 2710
2020
Q1 		– Sell
-60,800
Closed -$824K – 3548
2019
Q4 		$824K Sell
60,800
-17,400
-22% -$206K ﹤0.01% 2360
2019
Q3 		$891K Buy
78,200
+59,900
+327% +$685K ﹤0.01% 2084
2019
Q2 		$205K Buy
+18,300
New +$215K ﹤0.01% 3076
2018
Q3 		– Sell
-10,800
Closed -$177K – 3427
2018
Q2 		$177K Sell
10,800
-4,500
-29% -$68.3K ﹤0.01% 3151
2018
Q1 		$201K Buy
+15,300
New +$239K ﹤0.01% 2981
2017
Q1 		– Sell
-149,200
Closed -$4.11M – 3147
2016
Q4 		$4.11M Buy
149,200
+138,000
+1,232% +$4.2M 0.02% 956
2016
Q3 		$339K Sell
11,200
-132,200
-92% -$4.32M ﹤0.01% 2682
2016
Q2 		$4.49M Buy
143,400
+124,600
+663% +$3.95M 0.02% 815
2016
Q1 		$632K Buy
+18,800
New +$571K ﹤0.01% 1903
2015
Q4 		– Sell
-16,000
Closed -$337K – 2849
2015
Q3 		$337K Sell
16,000
-34,600
-68% -$810K ﹤0.01% 1736
2015
Q2 		$1.3M Buy
+50,600
New +$1.33M 0.01% 1481

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

Two Sigma Investments's MAT Position: Q2 2026 in Review

Two Sigma Investments opened a new position in Mattel (MAT) in Q2 2026: 71,475 shares worth $992K. The stake represents ﹤0.01% of the portfolio and ranks #3620 among its holdings. This is a return to the name: Two Sigma Investments previously reported a position in MAT as recently as Q4 2025.

Two Sigma Investments first reported a position in MAT in Q2 2013 and has held it in 26 quarters since. The position peaked at $68.2M in Q1 2015. 404 funds tracked by Wall St. Rank hold MAT as of Q2 2026.

  • Two Sigma Investments held 71,475 shares of Mattel worth $992K as of Q2 2026.
  • Mattel was a new Two Sigma Investments position in Q2 2026.
  • Mattel made up ﹤0.01% of Two Sigma Investments's portfolio in Q2 2026, its #3620 holding.
  • Two Sigma Investments first reported a position in Mattel in Q2 2013 and has held it in 26 quarters since.
  • Two Sigma Investments's Mattel position peaked at $68.2M in Q1 2015.
  • 404 funds tracked by Wall St. Rank held Mattel as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.