Security record · archived quarter
KOP
Koppers Holdings Inc. · Basic Materials · Chemicals - Specialty
79Tracked holders
+1Δ holders
12.18MShares held
$329.82MReported value
+1New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +1.3% ·
share flow -0.2% ·
net new positions +1.3%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 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 · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.70M | +1.6% | $100.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 3.70M | +1.6% | $100.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 3.70M | +1.6% | $100.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 3.70M | +1.6% | $100.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 3.70M | +1.6% | $100.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 3.70M | +1.6% | $100.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 3.70M | +1.6% | $100.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 3.70M | +1.6% | $100.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 3.70M | +1.6% | $100.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 3.70M | +1.6% | $100.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 3.70M | +1.6% | $100.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 3.70M | +1.6% | $100.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | The Vanguard Group ✦ (passive) | 1.54M | 0.0% | $41.70M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | The Vanguard Group ✦ (passive) | 1.54M | 0.0% | $41.70M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | The Vanguard Group ✦ (passive) | 1.54M | 0.0% | $41.70M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 1.54M | 0.0% | $41.70M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 1.54M | 0.0% | $41.70M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 18 | Dimensional Fund Advisors Lp | 1.17M | — | $31.78M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Dimensional Fund Advisors Lp | 1.17M | — | $31.78M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | Dimensional Fund Advisors Lp | 1.17M | — | $31.78M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | Dimensional Fund Advisors Lp | 1.17M | — | $31.78M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | State Street Global Advisors ✦ (passive) | 764.32K | -0.7% | $20.70M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 23 | Charles Schwab Investment… | 568.41K | — | $15.39M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | Geode Capital Management ✦ (passive) | 457.55K | -1.8% | $12.39M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 25 | Geode Capital Management ✦ (passive) | 457.55K | -1.8% | $12.39M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 26 | American Century Companies Inc | 419.32K | — | $11.36M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Ameriprise Financial Inc | 273.21K | — | $7.40M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | Ameriprise Financial Inc | 273.21K | — | $7.40M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | Northern Trust Corp | 239.01K | — | $6.47M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Northern Trust Corp | 239.01K | — | $6.47M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Northern Trust Corp | 239.01K | — | $6.47M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Northern Trust Corp | 239.01K | — | $6.47M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Northern Trust Corp | 239.01K | — | $6.47M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Northern Trust Corp | 239.01K | — | $6.47M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | Northern Trust Corp | 239.01K | — | $6.47M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Bank of New York Mellon Corp | 231.33K | — | $6.26M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Bank of New York Mellon Corp | 231.33K | — | $6.26M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Bank of New York Mellon Corp | 231.33K | — | $6.26M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | Bank of New York Mellon Corp | 231.33K | — | $6.26M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Bank of New York Mellon Corp | 231.33K | — | $6.26M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Bank of New York Mellon Corp | 231.33K | — | $6.26M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | Invesco Ltd. | 212.43K | — | $5.75M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Invesco Ltd. | 212.43K | — | $5.75M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Invesco Ltd. | 212.43K | — | $5.75M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | Invesco Ltd. | 212.43K | — | $5.75M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | Invesco Ltd. | 212.43K | — | $5.75M | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Russell Investments Group, Ltd. | 210.21K | — | $5.69M | 0.0% | n/c | 1 | SEC ↗ |
| 48 | Russell Investments Group, Ltd. | 210.21K | — | $5.69M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Russell Investments Group, Ltd. | 210.21K | — | $5.69M | 0.0% | n/c | 1 | SEC ↗ |
| 50 | Russell Investments Group, Ltd. | 210.21K | — | $5.69M | 0.0% | n/c | 1 | SEC ↗ |
| 51 | Russell Investments Group, Ltd. | 210.21K | — | $5.69M | 0.0% | n/c | 1 | SEC ↗ |
| 52 | Russell Investments Group, Ltd. | 210.21K | — | $5.69M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Russell Investments Group, Ltd. | 210.21K | — | $5.69M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Russell Investments Group, Ltd. | 210.21K | — | $5.69M | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Russell Investments Group, Ltd. | 210.21K | — | $5.69M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Russell Investments Group, Ltd. | 210.21K | — | $5.69M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Russell Investments Group, Ltd. | 210.21K | — | $5.69M | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Russell Investments Group, Ltd. | 210.21K | — | $5.69M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Morgan Stanley ✦ | 209.93K | -4.7% | $5.68M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 60 | Morgan Stanley ✦ | 209.93K | -4.7% | $5.68M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | Morgan Stanley ✦ | 209.93K | -4.7% | $5.68M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 62 | Morgan Stanley ✦ | 209.93K | -4.7% | $5.68M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 63 | Morgan Stanley ✦ | 209.93K | -4.7% | $5.68M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 64 | Morgan Stanley ✦ | 209.93K | -4.7% | $5.68M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | Morgan Stanley ✦ | 209.93K | -4.7% | $5.68M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | Two Sigma Investments ✦ | 195.44K | +11.2% | $5.29M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 67 | Goldman Sachs Group ✦ | 136.08K | +76.3% | $3.69M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | Goldman Sachs Group ✦ | 136.08K | +76.3% | $3.69M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 69 | Universal- Beteiligungs- und… | 129.82K | — | $3.52M | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Principal Financial Group Inc | 116.47K | — | $3.15M | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Principal Financial Group Inc | 116.47K | — | $3.15M | 0.0% | n/c | 1 | SEC ↗ |
| 72 | Bank Of America Corp /De/ | 101.52K | — | $2.75M | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Bank Of America Corp /De/ | 101.52K | — | $2.75M | 0.0% | n/c | 1 | SEC ↗ |
| 74 | Bank Of America Corp /De/ | 101.52K | — | $2.75M | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Bank Of America Corp /De/ | 101.52K | — | $2.75M | 0.0% | n/c | 1 | SEC ↗ |
| 76 | Bank Of America Corp /De/ | 101.52K | — | $2.75M | 0.0% | n/c | 1 | SEC ↗ |
| 77 | Bank Of America Corp /De/ | 101.52K | — | $2.75M | 0.0% | n/c | 1 | SEC ↗ |
| 78 | Bank Of America Corp /De/ | 101.52K | — | $2.75M | 0.0% | n/c | 1 | SEC ↗ |
| 79 | AQR Capital Management ✦ | 94.99K | -4.5% | $2.57M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 80 | AQR Capital Management ✦ | 94.99K | -4.5% | $2.57M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 81 | AQR Capital Management ✦ | 94.99K | -4.5% | $2.57M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 82 | AQR Capital Management ✦ | 94.99K | -4.5% | $2.57M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 83 | AQR Capital Management ✦ | 94.99K | -4.5% | $2.57M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 84 | Lazard Asset Management Llc | 79.03K | — | $2.14M | 0.0% | n/c | 1 | SEC ↗ |
| 85 | JPMorgan Chase ✦ | 69.95K | -44.8% | $1.89M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 86 | JPMorgan Chase ✦ | 69.95K | -44.8% | $1.89M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 87 | JPMorgan Chase ✦ | 69.95K | -44.8% | $1.89M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 88 | JPMorgan Chase ✦ | 69.95K | -44.8% | $1.89M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 89 | Federated Hermes, Inc. | 68.13K | — | $1.84M | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Federated Hermes, Inc. | 68.13K | — | $1.84M | 0.0% | n/c | 1 | SEC ↗ |
| 91 | Federated Hermes, Inc. | 68.13K | — | $1.84M | 0.0% | n/c | 1 | SEC ↗ |
| 92 | Federated Hermes, Inc. | 68.13K | — | $1.84M | 0.0% | n/c | 1 | SEC ↗ |
| 93 | Nuveen, LLC | 63.57K | — | $1.72M | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Nuveen, LLC | 63.57K | — | $1.72M | 0.0% | n/c | 1 | SEC ↗ |
| 95 | First Trust Advisors Lp | 62.36K | — | $1.69M | 0.0% | n/c | 1 | SEC ↗ |
| 96 | Rhumbline Advisers | 57.51K | — | $1.56M | 0.0% | n/c | 1 | SEC ↗ |
| 97 | UBS AM, a distinct business unit of… | 54.07K | — | $1.46M | 0.0% | n/c | 1 | SEC ↗ |
| 98 | UBS AM, a distinct business unit of… | 54.07K | — | $1.46M | 0.0% | n/c | 1 | SEC ↗ |
| 99 | UBS AM, a distinct business unit of… | 54.07K | — | $1.46M | 0.0% | n/c | 1 | SEC ↗ |
| 100 | UBS AM, a distinct business unit of… | 54.07K | — | $1.46M | 0.0% | n/c | 1 | 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: Q4 2025 ·
Methodology ·
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