Security record
KOP
Koppers Holdings Inc. · Basic Materials · Chemicals - Specialty
80Tracked holders
+2Δ holders
11.62MShares held
$521.50MReported value
+7New positions
−5Exits
Momentum inputs (comparable managers):
holder breadth +2.6% ·
share flow +1.5% ·
net new positions +2.5%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
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 · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.05M | +0.1% | $136.84M | 0.0% | ▲ Add | 5 | SEC ↗ ×12 |
| 2 | Dimensional Fund Advisors Lp | 1.24M | +3.9% | $55.55M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 3 | American Century Companies Inc | 848.07K | +58.5% | $38.08M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | Vanguard Capital Management Llc | 812.63K | -3.3% | $36.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | State Street Global Advisors ✦ (passive) | 804.55K | +7.0% | $36.12M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 483.42K | +3.4% | $21.71M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 7 | Charles Schwab Investment… | 384.12K | -19.6% | $17.25M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 8 | Invesco Ltd. | 332.61K | +79.2% | $14.93M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 9 | Ameriprise Financial Inc | 285.66K | +9.1% | $12.83M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 10 | Two Sigma Investments ✦ | 266.05K | -36.3% | $11.95M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 11 | Northern Trust Corp | 253.48K | +3.4% | $11.38M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 12 | Morgan Stanley ✦ | 242.92K | +9.7% | $10.91M | 0.0% | ▲ Add | 4 | SEC ↗ ×6 |
| 13 | Bank of New York Mellon Corp | 222.57K | -0.8% | $9.99M | 0.0% | ▼ Trim | 3 | SEC ↗ ×6 |
| 14 | Arrowstreet Capital ✦ | 189.20K | +16.7% | $8.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | Goldman Sachs Group ✦ | 158.81K | +9.6% | $7.13M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 16 | Principal Financial Group Inc | 136.72K | +0.8% | $6.14M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 17 | Universal- Beteiligungs- und… | 130.58K | +0.6% | $5.86M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 18 | Russell Investments Group, Ltd. | 129.72K | -29.2% | $5.82M | 0.0% | ▼ Trim | 3 | SEC ↗ ×8 |
| 19 | JPMorgan Chase ✦ | 122.35K | +34.9% | $5.55M | 0.0% | ▲ Add | 4 | SEC ↗ ×3 |
| 20 | Bank Of America Corp /De/ | 117.92K | -8.6% | $5.29M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 21 | Pacer Advisors, Inc. | 114.07K | New | $5.12M | 0.0% | New | 1 | SEC ↗ |
| 22 | AQR Capital Management ✦ | 78.20K | -18.1% | $3.51M | 0.0% | ▼ Trim | 9 | SEC ↗ ×7 |
| 23 | Franklin Resources Inc | 70.24K | +12.5% | $3.15M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 24 | First Trust Advisors Lp | 65.53K | +2.2% | $2.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 25 | Federated Hermes, Inc. | 62.78K | -7.5% | $2.82M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 26 | Jane Street Group, Llc | 54.01K | -63.2% | $2.43M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 27 | Nuveen, LLC | 51.02K | -19.2% | $2.29M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 28 | UBS AM, a distinct business unit of… | 50.67K | -14.0% | $2.27M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 29 | Rhumbline Advisers | 49.72K | -14.1% | $2.23M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 30 | Citigroup Inc | 46.17K | -27.6% | $2.07M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 31 | Creative Planning | 40.21K | +118.6% | $1.81M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 32 | Legal & General Group Plc | 39.72K | -7.7% | $1.78M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 33 | Swiss National Bank | 36.90K | -6.1% | $1.66M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 34 | Victory Capital Management Inc | 35.00K | -5.8% | $1.57M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 35 | UBS Group AG | 33.82K | +3.7% | $1.52M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 36 | Sei Investments Co | 33.82K | -51.7% | $1.52M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 37 | BNP Paribas Asset Management… | 33.49K | +25.9% | $1.50M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 38 | Prudential Financial Inc | 33.22K | +66.7% | $1.49M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | New York State Common Retirement… | 31.27K | +52.8% | $1.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Voya Investment Management Llc | 30.89K | +1.9% | $1.39M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | Nomura Asset Management… | 30.60K | 0.0% | $1.37M | 0.0% | Held | 3 | SEC ↗ |
| 42 | T. Rowe Price ✦ | 29.34K | +17.9% | $1.32M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 43 | GAMCO Investors ✦ | 28.81K | 0.0% | $1.29M | 0.0% | Held | 5 | SEC ↗ |
| 44 | Quantinno Capital Management LP | 24.64K | +24.2% | $1.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 45 | State Of Wisconsin Investment Board | 23.05K | -31.7% | $1.03M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 46 | Lazard Asset Management Llc | 21.59K | +0.9% | $969,526 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 47 | Alliancebernstein L.P. | 23.93K | +27.3% | $925,728 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 48 | D. E. Shaw & Co. ✦ | 20.46K | +63.5% | $918,744 | 0.0% | ▲ Add | 9 | SEC ↗ |
| 49 | Deutsche Bank Ag\ | 17.58K | +7.2% | $789,432 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 50 | Raymond James Financial Inc | 17.38K | +61.0% | $780,121 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 51 | Wells Fargo & Company/Mn | 15.56K | +112.5% | $698,841 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 52 | Fifth Third Bancorp | 15.19K | -4.7% | $681,986 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 53 | Allspring Global Investments… | 14.14K | +3.2% | $634,796 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 54 | Hrt Financial Lp | 12.47K | -85.5% | $559,000 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 55 | Gotham Asset Management ✦ | 11.52K | New | $517,338 | 0.0% | New | 1 | SEC ↗ |
| 56 | Squarepoint Ops LLC | 11.30K | +103.3% | $507,550 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | Hsbc Holdings Plc | 11.10K | +30.9% | $503,713 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 58 | Mariner, LLC | 10.03K | -49.9% | $450,535 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 59 | Boston Partners | 9.18K | -44.6% | $412,050 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 60 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 8.42K | -6.5% | $377,923 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 61 | Zurcher Kantonalbank (Zurich… | 7.67K | +21.9% | $344,383 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Envestnet Asset Management Inc | 6.98K | -2.1% | $313,411 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 63 | Jones Financial Companies Lllp | 5.78K | +83.0% | $260,912 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 64 | State Board Of Administration Of… | 5.70K | -76.8% | $256,065 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | Pnc Financial Services Group, Inc. | 5.36K | +1.3% | $240,710 | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 66 | Mitsubishi UFJ Trust & Banking Corp | 4.82K | New | $216,463 | 0.0% | New | 1 | SEC ↗ |
| 67 | Manufacturers Life Insurance… | 4.81K | -7.1% | $216,059 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | Wealth Enhancement Advisory… | 4.30K | New | $204,603 | 0.0% | New | 1 | SEC ↗ |
| 69 | Bnp Paribas Financial Markets | 3.26K | -30.2% | $146,374 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 70 | Royal Bank Of Canada | 3.25K | +30.7% | $146,000 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 71 | Fidelity (FMR) ✦ | 3.07K | +17.0% | $137,884 | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 72 | Barclays Plc | 2.76K | -67.8% | $124,015 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 73 | Ensign Peak Advisors, Inc | 1.87K | -13.8% | $83,963 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 74 | Mirae Asset Global Investments Co.… | 1.23K | New | $55,317 | 0.0% | New | 1 | SEC ↗ |
| 75 | Assetmark, Inc | 679 | New | $30,487 | 0.0% | New | 1 | SEC ↗ |
| 76 | Us Bancorp \De\ | 513 | -6.7% | $23,034 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 77 | Osaic Holdings, Inc. | 424 | +1.9% | $19,038 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 78 | Rockefeller Capital Management L.P. | 273 | -43.4% | $12,293 | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 79 | Optiver Holding B.V. | 91 | New | $4,086 | 0.0% | New | 1 | SEC ↗ |
| 80 | Northwestern Mutual Wealth… | 80 | 0.0% | $3,592 | 0.0% | Held | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Pacer Advisors, Inc. | $5.12M | 0.0% |
| Gotham Asset Management | $517,338 | 0.0% |
| Mitsubishi UFJ Trust &… | $216,463 | 0.0% |
| Wealth Enhancement Advisory… | $204,603 | 0.0% |
| Mirae Asset Global… | $55,317 | 0.0% |
| Assetmark, Inc | $30,487 | 0.0% |
| Optiver Holding B.V. | $4,086 | 0.0% |
Exited
| Millennium Management | $2.01M | was 0.0% |
| Susquehanna International… | $1.22M | was 0.0% |
| Balyasny Asset Management L.P. | $555,290 | was 0.0% |
| Baird Financial Group, Inc. | $285,652 | was 0.0% |
| Renaissance Technologies | $212,740 | 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.
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 31
BALL M LEROY
Officer, Director · 4.00K sh · $183,840
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
Oct 08
SC 13G/A — DIMENSIONAL FUND ADVISORS LP
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: Q2 2026 ·
Methodology ·
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