Who owns Mattel, Inc.?
Institutional ownership of MAT from SEC Form 13F filings across 262 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
262
13F holders
$2.22B
value, 2026 filers
56.2%
of shares outstanding (163.4M sh)
26
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of MAT's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | PRIMECAP MANAGEMENT CO/CA/ | 29.5M | $409.5M | 0.2% | 10.2% | -0.6% |
| 2 | BlackRock, Inc. | 26.2M | $363.3M | 0.0% | 9% | -4.2% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 13.2M | $182.8M | 0.0% | 4.5% | -51.8% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 13.1M | $182.2M | 0.0% | 4.5% | -3.7% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 5.9M | $81.4M | 0.0% | 2% | -5.0% |
| 6 | GOLDMAN SACHS GROUP INC | 4.8M | $66.3M | 0.0% | 1.6% | +34.9% |
| 7 | Squarepoint Ops LLC | 3.5M | $48.3M | 0.1% | 1.2% | +47.0% |
| 8 | Sixth Street Partners Management Company, L.P.NEW | 3.2M | $44.7M | 7.7% | 1.1% | new |
| 9 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 3.2M | $44.7M | 0.0% | 1.1% | -4.5% |
| 10 | MORGAN STANLEY | 3.1M | $43.7M | 0.0% | 1.1% | -11.2% |
| 11 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 2.9M | $40.5M | 0.0% | 1% | +352.6% |
| 12 | NORTHERN TRUST CORP | 2.7M | $37.0M | 0.0% | 0.9% | -4.7% |
| 13 | NORGES BANKNEW | 2.6M | $36.8M | 0.0% | 0.9% | new |
| 14 | VICTORY CAPITAL MANAGEMENT INC | 2.6M | $36.4M | 0.0% | 0.9% | +1.1% |
| 15 | UBS Group AG | 2.6M | $36.2M | 0.0% | 0.9% | +13.2% |
| 16 | PRICE T ROWE ASSOCIATES INC /MD/ | 2.5M | $35,115 | 0.0% | 0.9% | -58.5% |
| 17 | BANK OF AMERICA CORP /DE/ | 2.4M | $33.5M | 0.0% | 0.8% | +26.0% |
| 18 | MARSHALL WACE, LLP | 2.4M | $33.1M | 0.0% | 0.8% | -36.0% |
| 19 | CITADEL ADVISORS LLC | 2.2M | $30.8M | 0.0% | 0.8% | +373.3% |
| 20 | D. E. Shaw & Co., Inc. | 2.2M | $30.3M | 0.0% | 0.8% | -43.8% |
| 21 | VANGUARD FIDUCIARY TRUST CO | 1.8M | $25.5M | 0.0% | 0.6% | -4.4% |
| 22 | Bank of New York Mellon Corp | 1.7M | $23.4M | 0.0% | 0.6% | -13.4% |
| 23 | MILLENNIUM MANAGEMENT LLC | 1.5M | $20.5M | 0.0% | 0.5% | -47.2% |
| 24 | Man Group plc | 1.3M | $18.5M | 0.0% | 0.5% | +200.0% |
| 25 | HBK INVESTMENTS L P | 1.3M | $18.0M | 0.2% | 0.4% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.