Mattel Inc
MAT- Exchange
- Nasdaq
- Industry
- Dolls & Stuffed Toys
- SEC CIK
- 0000063276
In the last 90 days, Mattel Inc insiders filed 0 open-market purchases and 1 sale; 404 institutions reported holding it in 13F filings for Q2 2026, worth $4.23B in total; Southeastern Asset Management (Longleaf) is the only superinvestor holding it.
13F holders, Q1 2026
Institutional positions in Mattel Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 430
- −2 vs. Q4 2025
- Shares held
- 299.6M
- +23.0M (+8.3%) vs. Q4 2025
- Total value
- $4.35B
- −$1.13B (−20.6%) vs. Q4 2025
- New holders
- 72
- 139 more added
- Sold out
- 74
- 138 more reduced
10 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MAT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 404 | $4.23B |
| Q1 2026 | 430 | $4.35B |
| Q4 2025 | 442 | $6.17B |
| Q3 2025 | 439 | $5.18B |
| Q2 2025 | 435 | $6.29B |
| Q1 2025 | 449 | $6.29B |
| Q4 2024 | 421 | $5.85B |
| Q3 2024 | 380 | $6.16B |
| Q2 2024 | 390 | $5.48B |
| Q1 2024 | 384 | $6.59B |
| Q4 2023 | 376 | $6.31B |
| Q3 2023 | 357 | $7.35B |
| Q2 2023 | 319 | $6.54B |
| Q1 2023 | 336 | $6.31B |
| Q4 2022 | 359 | $6.22B |
| Q3 2022 | 375 | $6.57B |
| Q2 2022 | 377 | $7.83B |
| Q1 2022 | 383 | $7.72B |
| Q4 2021 | 358 | $7.56B |
| Q3 2021 | 340 | $6.50B |
| Q2 2021 | 327 | $6.92B |
| Q1 2021 | 325 | $6.69B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Mattel Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Strive Financial Group ,LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Navalign, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Estate Planners Group, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Murphy, Middleton, Hinkle & Parker, Inc. | 0 | $0 | 0.00% | −4,640−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| UBS Oconnor LLC | – | – | – | – | Not filed |
| Brandywine Global Investment Management, LLC | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| EMC Capital Management | – | – | – | – | Not filed |
| Trust Co of Vermont | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| ORG Partners LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |