Southeastern Asset Management (Longleaf)
SuperinvestorSoutheastern Asset Management Inc
- SEC CIK
- 0000807985
- Manager
- Mason Hawkins
- Style
- Value
- Latest filing
- Aug 14, 2026
MAT holding history
Mattel Inc in every 13F filed by Southeastern Asset Management (Longleaf), including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
MAT overviewAll 13F holders of MATFull Q2 2026 holdings
- Shares (Q2 2026)
- 12,322,555
- Value
- $171.0M
- % of portfolio
- 8.9%
- Quarters held
- 22
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 12,322,555 | $171.0M | 8.9% | −489,602−3.8% | Reduced | Holders |
| Q1 2026 | 12,812,157 | $186.2M | 9.2% | +4,241,829+49.5% | Added | Holders |
| Q4 2025 | 8,570,328 | $170.0M | 7.6% | +409,032+5.0% | Added | Holders |
| Q3 2025 | 8,161,296 | $137.4M | 7.0% | +941,031+13.0% | Added | Holders |
| Q2 2025 | 7,220,265 | $142.4M | 7.2% | +381,331+5.6% | Added | Holders |
| Q1 2025 | 6,838,934 | $132.9M | 7.1% | −793,410−10.4% | Reduced | Holders |
| Q4 2024 | 7,632,344 | $135.3M | 6.4% | −357,980−4.5% | Reduced | Holders |
| Q3 2024 | 7,990,324 | $152.2M | 7.2% | −218,184−2.7% | Reduced | Holders |
| Q2 2024 | 8,208,508 | $133.5M | 5.8% | −332,176−3.9% | Reduced | Holders |
| Q1 2024 | 8,540,684 | $169.2M | 6.5% | −299,727−3.4% | Reduced | Holders |
| Q4 2023 | 8,840,411 | $166.9M | 6.4% | −156,755−1.7% | Reduced | Holders |
| Q3 2023 | 8,997,166 | $198.2M | 7.3% | −327,081−3.5% | Reduced | Holders |
| Q2 2023 | 9,324,247 | $182.2M | 6.4% | −1,942,421−17.2% | Reduced | Holders |
| Q1 2023 | 11,266,668 | $207.4M | 7.0% | −767,914−6.4% | Reduced | Holders |
| Q4 2022 | 12,034,582 | $214.7M | 7.5% | −1,876,157−13.5% | Reduced | Holders |
| Q3 2022 | 13,910,739 | $263.5M | 6.6% | −2,225,453−13.8% | Reduced | Holders |
| Q2 2022 | 16,136,192 | $360.3M | 7.6% | −26,928−0.2% | Reduced | Holders |
| Q1 2022 | 16,163,120 | $359.0M | 6.3% | −4,065,220−20.1% | Reduced | Holders |
| Q4 2021 | 20,228,340 | $436.1M | 7.3% | +1,878,547+10.2% | Added | Holders |
| Q3 2021 | 18,349,793 | $340.6M | 6.5% | −641,051−3.4% | Reduced | Holders |
| Q2 2021 | 18,990,844 | $381.7M | 7.7% | +2,843,544+17.6% | Added | Holders |
| Q1 2021 | 16,147,300 | $321.7M | 6.9% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.