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Bayesian Capital Management’s Mattel MAT Stock Holding History

Bayesian Capital 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
2025
Q4 		– Sell
-36,124
Closed -$608K – 367
2025
Q3 		$608K Buy
+36,124
New +$658K 0.12% 245
2025
Q2 		– Sell
-50,900
Closed -$989K – 743
2025
Q1 		$989K Buy
+50,900
New +$1.01M 0.16% 172
2024
Q4 		– Sell
-31,400
Closed -$598K – 864
2024
Q3 		$598K Buy
31,400
+18,637
+146% +$343K 0.07% 341
2024
Q2 		$208K Buy
+12,763
New +$231K 0.02% 600
2022
Q4 		– Sell
-26,000
Closed -$492K – 926
2022
Q3 		$492K Sell
26,000
-10,689
-29% -$239K 0.1% 285
2022
Q2 		$819K Sell
36,689
-1,900
-5% -$44.9K 0.15% 199
2022
Q1 		$857K Sell
38,589
-7,200
-16% -$165K 0.13% 238
2021
Q4 		$987K Buy
45,789
+25,900
+130% +$543K 0.31% 95
2021
Q3 		$369K Buy
+19,889
New +$412K 0.11% 226
2021
Q2 		– Sell
-33,700
Closed -$671K – 545
2021
Q1 		$671K Buy
+33,700
New +$652K 0.15% 173
2020
Q3 		– Sell
-58,466
Closed -$565K – 625
2020
Q2 		$565K Sell
58,466
-75,018
-56% -$681K 0.12% 222
2020
Q1 		$1.18M Buy
133,484
+95,784
+254% +$1.17M 0.25% 94
2019
Q4 		$511K Sell
37,700
-10,000
-21% -$119K 0.09% 306
2019
Q3 		$543K Sell
47,700
-180,500
-79% -$2.06M 0.1% 257
2019
Q2 		$2.56M Buy
228,200
+137,584
+152% +$1.62M 0.53% 44
2019
Q1 		$1.18M Buy
+90,616
New +$1.21M 0.23% 141
2018
Q2 		– Sell
-21,300
Closed -$280K – 661
2018
Q1 		$280K Buy
+21,300
New +$332K 0.07% 412
2017
Q1 		– Sell
-61,800
Closed -$1.7M – 582
2016
Q4 		$1.7M Buy
+61,800
New +$1.88M 0.42% 40
2016
Q2 		– Sell
-13,600
Closed -$457K – 491
2016
Q1 		$457K Buy
13,600
+2,200
+19% +$66.8K 0.43% 59
2015
Q4 		$310K Buy
+11,400
New +$280K 0.44% 92

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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
SAM
Southeastern Asset Management Memphis, Tennessee $1.92B AUM 6.41% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Bayesian Capital Management's MAT Position: Q4 2025 in Review

Bayesian Capital Management sold out of Mattel (MAT) in Q4 2025, closing a stake of 36,124 shares — an estimated $608K sold.

Bayesian Capital Management first reported a position in MAT in Q4 2015 and held it in 20 quarters. The position peaked at $2.56M in Q2 2019. 441 funds tracked by Wall St. Rank hold MAT as of Q4 2025.

  • Bayesian Capital Management reported no remaining Mattel position as of Q4 2025 after selling out during the quarter.
  • Bayesian Capital Management sold 36,124 Mattel shares in Q4 2025, an estimated $608K.
  • Bayesian Capital Management first reported a position in Mattel in Q4 2015 and held it in 20 quarters.
  • Bayesian Capital Management's Mattel position peaked at $2.56M in Q2 2019.
  • 441 funds tracked by Wall St. Rank held Mattel as of Q4 2025.

Based on Bayesian Capital Management's 13F filing for Q4 2025, filed 17 Feb 2026.