Mattel Inc. 13F holders
Of the 44 funds followed here, 10 reported a position in Mattel Inc. in a 13F for the quarter ended 30 June 2026. The largest: Southeastern Asset Management, 12.3 million shares worth $171.0 million, 8.9% of its reported book. New this quarter: Two Sigma Investments.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Southeastern Asset Management | 12,322,555 | $171.0 million | 8.9% | -489,602 | trimmed | 30 June 2026 | 13F |
| Alyeska | 6,008,450 | $83.4 million | 0.2% | +1,399,771 | added | 30 June 2026 | 13F |
| Geode Capital Management | 5,864,500 | $81.4 million | 0.0% | -309,646 | trimmed | 30 June 2026 | 13F |
| Millennium Management | 2,980,276 | $41.4 million | 0.0% | -1,320,859 | trimmed | 30 June 2026 | 13F |
| Norges Bank | 2,649,546 | $36.8 million | 0.0% | held | 30 June 2026 | 13F | |
| Citadel Advisors | 2,501,732 | $34.7 million | 0.0% | +1,901,510 | added | 30 June 2026 | 13F |
| Point72 Asset Management | 356,404 | $4.9 million | 0.0% | -1,864,852 | trimmed | 30 June 2026 | 13F |
| Bridgewater Associates | 221,840 | $3.1 million | 0.0% | +180,517 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 160,875 | $2.2 million | 0.0% | +160,875 | new | 30 June 2026 | 13F |
| FMR LLC | 25,374 | $352,187 | 0.0% | -68,568 | trimmed | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 14 August 2026 | 13G/A | EdgePoint Investment Group Inc. and 1 other | 51.0 million | 17.6% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 14 August 2026 | 13G | Ariel Investments, LLC and 1 other | 15.4 million | 5.3% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 15 May 2026 | 13G/A | EdgePoint Investment Group Inc. and 1 other | 49.1 million | 16.3% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 30 April 2026 | 13G | Vanguard Capital Management and 1 other | 16.0 million | 5.3% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 17 February 2026 | 13G/A | EdgePoint Investment Group Inc. and 1 other | 47.3 million | 15.2% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 14 November 2025 | 13G/A | EdgePoint Investment Group Inc. and 1 other | 44.7 million | 13.9% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 14 September 2026 | 35 | $14.01 | SEC |
| 10 September 2026 | 23,423 | $13.76 | SEC |
| 1 September 2026 | 69 | $14.95 | SEC |
| 6 August 2026 | 82 | $14.46 | SEC |
| 3 August 2026 | 42 | $15.09 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
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Largest in the window: 23,423 on 10 September 2026. A fail is an operational fact about settlement, not a position.Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to MAT by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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