KOP
Koppers Holdings Inc. · Basic Materials · Chemicals - Specialty
Momentum inputs (comparable managers):
holder breadth -10.0% ·
share flow -7.0% ·
net new positions -11.1%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| 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) | 769.47K | -5.0% | $21.55M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 472.22K | +3.9% | $13.23M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 472.22K | +3.9% | $13.23M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | Millennium Management ✦ | 240.81K | -21.7% | $6.74M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 5 | Two Sigma Investments ✦ | 133.94K | +96.4% | $3.75M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | D. E. Shaw & Co. ✦ | 104.09K | +66.9% | $2.91M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | AQR Capital Management ✦ | 71.90K | +3.2% | $2.01M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 71.90K | +3.2% | $2.01M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | AQR Capital Management ✦ | 71.90K | +3.2% | $2.01M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 71.90K | +3.2% | $2.01M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | Renaissance Technologies ✦ | 44.40K | -71.7% | $1.24M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 12 | Citadel Advisors ✦ | 26.82K | -61.8% | $750,820 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 13 | T. Rowe Price ✦ | 19.08K | +3.6% | $535,000 | 0.0% | ▲ Add | 4 | 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
| Point72 Asset Management | $230,040 | was 0.0% |
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