Mason Hawkins's MAT Position Overview
Mason Hawkins (via Southeastern Asset Management Inc/Tn/) currently holds 8.57 M shares of Mattel, Inc. (MAT) worth $170.04 M, representing 7.57% of the portfolio. First purchased in 2017-Q3, this long-term strategic position has been held for 34 quarters.
Based on 13F filings, Mason Hawkins has maintained a strategic position in MAT, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2017, adding 27.18 M shares. Largest reduction occurred in Q4 2020, reducing 10.66 M shares.
Analysis based on 13F filings available since 2013 Q2
Mason Hawkins's Mattel (MAT) Holding Value Over Time
Track share changes against reported price movement
Quarterly Mattel (MAT) Trades by Mason Hawkins
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +409,032 | Add 5.01% | 8.57 M | $19.84 |
| Q3 2025 | +941,031 | Add 13.03% | 8.16 M | $16.83 |
| Q2 2025 | +381,331 | Add 5.58% | 7.22 M | $19.72 |
| Q1 2025 | -793,410 | Reduce 10.40% | 6.84 M | $19.43 |
| Q4 2024 | -357,980 | Reduce 4.48% | 7.63 M | $17.73 |
| Q3 2024 | -218,184 | Reduce 2.66% | 7.99 M | $19.05 |
| Q2 2024 | -332,176 | Reduce 3.89% | 8.21 M | $16.26 |
| Q1 2024 | -299,727 | Reduce 3.39% | 8.54 M | $19.81 |
| Q4 2023 | -156,755 | Reduce 1.74% | 8.84 M | $18.88 |
| Q3 2023 | -327,081 | Reduce 3.51% | 9 M | $22.03 |
| Q2 2023 | -1.94 M | Reduce 17.24% | 9.32 M | $19.54 |
| Q1 2023 | -767,914 | Reduce 6.38% | 11.27 M | $18.41 |
| Q4 2022 | -1.88 M | Reduce 13.49% | 12.03 M | $17.84 |
| Q3 2022 | -2.23 M | Reduce 13.79% | 13.91 M | $18.94 |
| Q2 2022 | -26,928 | Reduce 0.17% | 16.14 M | $22.33 |
| Q1 2022 | -4.07 M | Reduce 20.10% | 16.16 M | $22.21 |
| Q4 2021 | +1.88 M | Add 10.24% | 20.23 M | $21.56 |
| Q3 2021 | -641,051 | Reduce 3.38% | 18.35 M | $18.56 |
| Q2 2021 | +2.84 M | Add 17.61% | 18.99 M | $20.10 |
| Q1 2021 | -1.27 M | Reduce 7.29% | 16.15 M | $19.92 |
| Q4 2020 | -10.66 M | Reduce 37.97% | 17.42 M | $17.45 |
| Q3 2020 | -1.08 M | Reduce 3.70% | 28.08 M | $11.70 |
| Q2 2020 | -273,407 | Reduce 0.93% | 29.16 M | $9.67 |
| Q1 2020 | -3.35 M | Reduce 10.22% | 29.43 M | $8.81 |
| Q4 2019 | -1.15 M | Reduce 3.40% | 32.78 M | $13.55 |
| Q3 2019 | -719,005 | Reduce 2.07% | 33.93 M | $11.39 |
| Q2 2019 | -1.18 M | Reduce 3.30% | 34.65 M | $11.21 |
| Q1 2019 | -4.01 M | Reduce 10.07% | 35.84 M | $13.00 |
| Q4 2018 | +2.8 M | Add 7.55% | 39.85 M | $9.99 |
| Q3 2018 | +76,151 | Add 0.21% | 37.05 M | $15.70 |
| Q2 2018 | -294,000 | Reduce 0.79% | 36.97 M | $16.42 |
| Q1 2018 | -1 M | Reduce 2.62% | 37.27 M | $13.15 |
| Q4 2017 | +27.18 M | Add 244.99% | 38.27 M | $15.38 |
| Q3 2017 | +11.09 M | New Buy | 11.09 M | $15.48 |
Mason Hawkins's Mattel Investment FAQs
Mason Hawkins first purchased Mattel, Inc. (MAT) in Q3 2017, acquiring 11,092,519 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mason Hawkins has held Mattel, Inc. (MAT) for 34 quarters since Q3 2017.
Mason Hawkins's largest addition to Mattel, Inc. (MAT) was in Q4 2017, adding 38,268,158 shares worth $588.56 M.
According to the latest 13F filing for Q4 2025, Mason Hawkins's firm, Southeastern Asset Management Inc/Tn/, owns 8,570,328 shares of Mattel, Inc. (MAT), valued at approximately $170.04 M.
As of the Q4 2025 filing, Mattel, Inc. (MAT) represents approximately 7.57% of Mason Hawkins's publicly disclosed stock portfolio, making it one of their key holdings.
Mason Hawkins's peak holding in Mattel, Inc. (MAT) was 39,847,540 shares, as reported at the end of Q4 2018.