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MAT

Mattel Inc

3 super-investor ownerscombined $416Mlargest position 8.9%

3 of the 83 super-investors we track hold MAT, worth a combined $416M per their latest 13F filings. The largest position: Mason Hawkins at 8.9% of their portfolio. No cohort buying or selling was filed on the name this quarter. Conviction score: 34 of 100 (how strongly the cohort backs it) — ranked #233 of 742 stocks.

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Why super-investors own MAT

MAT is held by 3 super-investors in our cohort, with a combined position value of $416M. The highest-conviction owner is Mason Hawkins at 8.9% of their portfolio. Cohort ownership has shrunk from 4 to 3 over the last four quarters — net interest is fading.

AI-synthesized from 13F filings. Not investment advice.

Cohort owners over time

2016Q3 2026Q2

How many of the cohort members held this stock each quarter.

Now: 3
Peak: 6

Owners (3) · click any column to sort

Owners of MAT also hold

Congress is trading MAT

Congress tracker →
12 disclosed trades by 6 members of Congress7 buys · 5 sells

STOCK Act periodic transaction reports; amounts are disclosed ranges. Who files late →

Long US equity 13F-HR filings only. CUSIP 577081102. Not investment advice.