KOP
Koppers Holdings Inc. · Basic Materials · Chemicals - Specialty
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +4.1% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 80 | +2 | 11.62M | $521.50M | +7 | −5 |
| Q1 2026 | 81 | +2 | 11.47M | $443.39M | +8 | −6 |
| Q4 2025 | 79 | +1 | 12.18M | $329.82M | +1 | — |
| Q3 2025 | 16 | 0 | 7.38M | $206.56M | — | — |
| Q2 2025 | 13 | +1 | 7.56M | $243.04M | +2 | −1 |
| Q1 2025 | 9 | -1 | 1.88M | $52.72M | — | −1 |
| Q4 2024 | 10 | 0 | 2.03M | $65.62M | — | — |
| Q3 2024 | 9 | +1 | 1.14M | $41.48M | +1 | — |
| Q2 2024 | 8 | — | 1.02M | $37.65M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 810.39K | — | $26.26M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 454.68K | -3.0% | $14.74M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 454.68K | -3.0% | $14.74M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | Millennium Management ✦ | 307.63K | -4.0% | $9.97M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 5 | Renaissance Technologies ✦ | 156.63K | +101.1% | $5.07M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | Citadel Advisors ✦ | 70.22K | -26.4% | $2.28M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 70.22K | -26.4% | $2.28M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 69.69K | -30.6% | $2.26M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | AQR Capital Management ✦ | 69.69K | -30.6% | $2.26M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 69.69K | -30.6% | $2.26M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 11 | AQR Capital Management ✦ | 69.69K | -30.6% | $2.26M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 12 | Two Sigma Investments ✦ | 68.21K | +63.6% | $2.21M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | D. E. Shaw & Co. ✦ | 62.35K | +579.8% | $2.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | T. Rowe Price ✦ | 18.42K | +7.3% | $597,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | Point72 Asset Management ✦ | 7.10K | +61.4% | $230,040 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 203 holders, 19.00M shares, $678.99M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer, Director · 3.00K sh · $137,520
Officer · 1.31K sh · $58,271
Officer · 7.50K sh · $375,000
Officer · 2.00K sh · $102,020
Officer · 79.90K sh · $4.00M
Officer · 100 sh · $5,122
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology