Owens Corning 13F holders
Of the 44 funds followed here, 8 reported a position in Owens Corning in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 1.9 million shares worth $324.8 million, 0.0% of its reported book.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 1,925,106 | $324.8 million | 0.0% | +37,036 | added | 30 June 2026 | 13F |
| Point72 Asset Management | 1,227,626 | $195.1 million | 0.2% | +862,741 | added | 30 June 2026 | 13F |
| Norges Bank | 1,103,877 | $175.5 million | 0.0% | held | 30 June 2026 | 13F | |
| Harris Associates | 1,095,517 | $174.1 million | 0.2% | +180,124 | added | 30 June 2026 | 13F |
| FMR LLC | 584,425 | $92.9 million | 0.0% | +166,783 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 529,658 | $84.2 million | 0.1% | -442,852 | trimmed | 30 June 2026 | 13F |
| Millennium Management | 432,385 | $68.7 million | 0.0% | -577,992 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 121,648 | $19.3 million | 0.0% | -165,180 | 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 |
|---|---|---|---|---|---|---|---|
| 4 June 2026 | 13G/A | BlackRock, Inc. and 1 other | 8.1 million | 10.0% | 31 May 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 30 April 2026 | 13G | Vanguard Capital Management and 1 other | 4.2 million | 5.3% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 29 April 2026 | 13G | Vanguard Portfolio Management and 1 other | 5.5 million | 6.9% | 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 |
| 21 January 2026 | 13G/A | BlackRock, Inc. and 1 other | 7.9 million | 9.6% | 31 December 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
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: 612 on 8 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 OC 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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