Koppers Holdings Inc. 13F holders
Of the 44 funds followed here, 4 reported a position in Koppers Holdings Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 483,417 shares worth $21.7 million, 0.0% of its reported book. Sold out: Renaissance Technologies, Millennium Management.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 483,417 | $21.7 million | 0.0% | +15,808 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 266,052 | $11.9 million | 0.0% | -151,484 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 8,900 | $399,610 | 0.0% | -12,700 | trimmed | 30 June 2026 | 13F |
| FMR LLC | 3,071 | $137,884 | 0.0% | +446 | added | 30 June 2026 | 13F |
| Renaissance Technologies | 0 | $0 | 0.0% | -5,500 | exited | 30 June 2026 | 13F |
| Millennium Management | 0 | $0 | 0.0% | -52,015 | exited | 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 |
|---|---|---|---|---|---|---|---|
| 8 October 2026 | 13G/A | Dimensional Fund Advisors LP and 1 other | 1.3 million | 6.7% | 30 September 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 31 July 2026 | 13G/A | Vanguard Capital Management and 1 other | 955,150 | 5.0% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 13 May 2026 | 13G/A | Fuller & Thaler Asset Management, Inc. and 1 other | 978,590 | 5.0% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 30 April 2026 | 13G | Vanguard Capital Management and 1 other | 983,577 | 5.1% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 24 April 2026 | 13G/A | BlackRock, Inc. and 1 other | 3.0 million | 15.3% | 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 |
| 31 October 2025 | 13G/A | The Vanguard Group and 1 other | 1.5 million | 7.8% | 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 |
|---|---|---|---|
| 26 August 2026 | 618 | $46.13 | SEC |
| 25 August 2026 | 2,292 | $45.83 | SEC |
| 12 August 2026 | 196 | $46.01 | SEC |
| 5 August 2026 | 1 | $51.99 | SEC |
| 4 August 2026 | 511 | $50.73 | 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: 2,292 on 25 August 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 KOP 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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