Security record · archived quarter
KOP
Koppers Holdings Inc. · Basic Materials · Chemicals - Specialty
16Tracked holders
0Δ holders
7.38MShares held
$206.56MReported value
+0New positions
−0Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -7.6% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
Ownership over time
| 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 | — | — |
Who holds it · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.65M | -1.1% | $102.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 3.65M | -1.1% | $102.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 3.65M | -1.1% | $102.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 3.65M | -1.1% | $102.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 3.65M | -1.1% | $102.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 3.65M | -1.1% | $102.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 3.65M | -1.1% | $102.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 3.65M | -1.1% | $102.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 3.65M | -1.1% | $102.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 3.65M | -1.1% | $102.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 3.65M | -1.1% | $102.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 3.65M | -1.1% | $102.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | The Vanguard Group ✦ (passive) | 1.54M | -18.8% | $43.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | The Vanguard Group ✦ (passive) | 1.54M | -18.8% | $43.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | The Vanguard Group ✦ (passive) | 1.54M | -18.8% | $43.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 1.54M | -18.8% | $43.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 1.54M | -18.8% | $43.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | State Street Global Advisors ✦ (passive) | 769.55K | -1.0% | $21.55M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 19 | Geode Capital Management ✦ (passive) | 465.83K | +0.6% | $13.04M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 20 | Geode Capital Management ✦ (passive) | 465.83K | +0.6% | $13.04M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 21 | Morgan Stanley ✦ | 220.16K | — | $6.16M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | Morgan Stanley ✦ | 220.16K | — | $6.16M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | Morgan Stanley ✦ | 220.16K | — | $6.16M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | Morgan Stanley ✦ | 220.16K | — | $6.16M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Morgan Stanley ✦ | 220.16K | — | $6.16M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | Morgan Stanley ✦ | 220.16K | — | $6.16M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Morgan Stanley ✦ | 220.16K | — | $6.16M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | Two Sigma Investments ✦ | 175.77K | +28.7% | $4.92M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 29 | JPMorgan Chase ✦ | 126.68K | — | $3.55M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | JPMorgan Chase ✦ | 126.68K | — | $3.55M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | JPMorgan Chase ✦ | 126.68K | — | $3.55M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | JPMorgan Chase ✦ | 126.68K | — | $3.55M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | JPMorgan Chase ✦ | 126.68K | — | $3.55M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | JPMorgan Chase ✦ | 126.68K | — | $3.55M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | JPMorgan Chase ✦ | 126.68K | — | $3.55M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | JPMorgan Chase ✦ | 126.68K | — | $3.55M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | JPMorgan Chase ✦ | 126.68K | — | $3.55M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | JPMorgan Chase ✦ | 126.68K | — | $3.55M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | AQR Capital Management ✦ | 99.50K | +34.9% | $2.79M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 40 | AQR Capital Management ✦ | 99.50K | +34.9% | $2.79M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 41 | AQR Capital Management ✦ | 99.50K | +34.9% | $2.79M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 42 | AQR Capital Management ✦ | 99.50K | +34.9% | $2.79M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 43 | AQR Capital Management ✦ | 99.50K | +34.9% | $2.79M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 44 | Goldman Sachs Group ✦ | 77.18K | — | $2.16M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | Goldman Sachs Group ✦ | 77.18K | — | $2.16M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | Millennium Management ✦ | 73.14K | -75.7% | $2.05M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 47 | Fidelity (FMR) ✦ | 58.68K | -19.3% | $1.64M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 48 | Fidelity (FMR) ✦ | 58.68K | -19.3% | $1.64M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 49 | GAMCO Investors ✦ | 41.71K | -12.2% | $1.17M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 50 | Renaissance Technologies ✦ | 27.30K | +5.0% | $764,400 | 0.0% | ▲ Add | 6 | SEC ↗ |
| 51 | T. Rowe Price ✦ | 20.79K | +3.4% | $583,000 | 0.0% | ▲ Add | 6 | SEC ↗ |
| 52 | Point72 Asset Management ✦ | 17.62K | +7.9% | $493,290 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 53 | D. E. Shaw & Co. ✦ | 16.48K | -60.6% | $461,580 | 0.0% | ▼ Trim | 6 | 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.
Frequently co-owned
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)
Aug 19
BALL M LEROY
Officer, Director · 3.00K sh · $137,520
Aug 12
Lucas Stephen G
Officer · 1.31K sh · $58,271
Aug 11
Sullivan James A.
Officer · 7.50K sh · $375,000
Aug 10
Pearce Bradley A
Officer · 2.00K sh · $102,020
Aug 07
Sullivan James A.
Officer · 79.90K sh · $4.00M
Aug 07
Sullivan James A.
Officer · 100 sh · $5,122
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Jul 31
SC 13G/A — VANGUARD CAPITAL MANAGEMENT LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q3 2025 ·
Methodology ·
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