Security record · archived quarter
KOP
Koppers Holdings Inc. · Basic Materials · Chemicals - Specialty
81Tracked holders
+2Δ holders
11.47MShares held
$443.39MReported value
+8New positions
−6Exits
Momentum inputs (comparable managers):
holder breadth +2.5% ·
share flow -0.1% ·
net new positions +2.5%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 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 · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.05M | -17.8% | $117.78M | 0.0% | ▼ Trim | 4 | SEC ↗ ×12 |
| 2 | Dimensional Fund Advisors Lp | 1.19M | +1.5% | $46.08M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 3 | Vanguard Capital Management Llc | 840.45K | — | $32.51M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | State Street Global Advisors ✦ (passive) | 752.26K | -1.6% | $29.10M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 5 | American Century Companies Inc | 535.00K | +27.6% | $20.69M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | Charles Schwab Investment… | 477.88K | -15.9% | $18.48M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | Geode Capital Management ✦ (passive) | 467.61K | +2.2% | $18.09M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 8 | Two Sigma Investments ✦ | 417.54K | +113.6% | $16.15M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 9 | Ameriprise Financial Inc | 261.79K | -4.2% | $10.13M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 10 | Northern Trust Corp | 245.16K | +2.6% | $9.48M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 11 | Bank of New York Mellon Corp | 224.26K | -3.1% | $8.67M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 12 | Morgan Stanley ✦ | 221.54K | +5.5% | $8.57M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 13 | Invesco Ltd. | 185.59K | -12.6% | $7.18M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 14 | Russell Investments Group, Ltd. | 183.22K | -12.8% | $7.09M | 0.0% | ▼ Trim | 2 | SEC ↗ ×9 |
| 15 | Arrowstreet Capital ✦ | 162.07K | New | $6.27M | 0.0% | New | 1 | SEC ↗ |
| 16 | Jane Street Group, Llc | 146.95K | New | $5.68M | 0.0% | New | 1 | SEC ↗ ×2 |
| 17 | Goldman Sachs Group ✦ | 144.84K | +6.4% | $5.60M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 18 | Principal Financial Group Inc | 135.59K | +16.4% | $5.24M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 19 | Universal- Beteiligungs- und… | 129.85K | 0.0% | $5.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | Bank Of America Corp /De/ | 128.95K | +27.0% | $4.99M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 21 | AQR Capital Management ✦ | 95.47K | +0.5% | $3.69M | 0.0% | ▲ Add | 8 | SEC ↗ ×6 |
| 22 | JPMorgan Chase ✦ | 90.68K | +29.6% | $3.47M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 23 | Hrt Financial Lp | 85.78K | +92.6% | $3.32M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 24 | Sei Investments Co | 69.98K | +87.5% | $2.71M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 25 | Federated Hermes, Inc. | 67.85K | -0.4% | $2.62M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 26 | First Trust Advisors Lp | 64.14K | +2.9% | $2.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Citigroup Inc | 63.81K | +22.1% | $2.47M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 28 | Nuveen, LLC | 63.12K | -0.7% | $2.44M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 29 | Franklin Resources Inc | 62.44K | +367.4% | $2.42M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 30 | UBS AM, a distinct business unit of… | 58.90K | +8.9% | $2.28M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 31 | Rhumbline Advisers | 57.87K | +0.6% | $2.24M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 32 | Millennium Management ✦ | 52.02K | +76.0% | $2.01M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 33 | Legal & General Group Plc | 43.02K | -11.1% | $1.66M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 34 | Swiss National Bank | 39.30K | 0.0% | $1.52M | 0.0% | Held | 2 | SEC ↗ |
| 35 | Victory Capital Management Inc | 37.15K | -2.6% | $1.44M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 36 | State Of Wisconsin Investment Board | 33.74K | +93.7% | $1.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | UBS Group AG | 32.61K | -9.5% | $1.26M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 38 | Susquehanna International Group, Llp | 31.64K | +212.1% | $1.22M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 39 | Nomura Asset Management… | 30.60K | -18.8% | $1.18M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 40 | Voya Investment Management Llc | 30.32K | -0.8% | $1.17M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 41 | GAMCO Investors ✦ | 28.81K | -6.2% | $1.11M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 42 | BNP Paribas Asset Management… | 26.61K | +5254.3% | $1.03M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 43 | T. Rowe Price ✦ | 24.89K | +18.6% | $963,000 | 0.0% | ▲ Add | 8 | SEC ↗ |
| 44 | State Board Of Administration Of… | 24.57K | New | $950,174 | 0.0% | New | 1 | SEC ↗ |
| 45 | Lazard Asset Management Llc | 21.39K | -72.9% | $827,559 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 46 | New York State Common Retirement… | 20.47K | +231.8% | $791,780 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | Prudential Financial Inc | 19.93K | +4.0% | $770,854 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 48 | Quantinno Capital Management LP | 19.84K | +25.1% | $767,386 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | California State Teachers… | 18.71K | -0.7% | $723,625 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 50 | Creative Planning | 18.39K | +13.1% | $711,480 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Boston Partners | 16.58K | -24.9% | $641,240 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 52 | Deutsche Bank Ag\ | 16.40K | +16.8% | $634,468 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 53 | Fifth Third Bancorp | 15.93K | +7175.3% | $616,288 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | Mariner, LLC | 20.01K | -16.7% | $595,342 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 55 | Balyasny Asset Management L.P. | 14.36K | New | $555,290 | 0.0% | New | 1 | SEC ↗ |
| 56 | Allspring Global Investments… | 13.69K | +11.5% | $529,684 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 57 | Alliancebernstein L.P. | 18.80K | +6.7% | $509,185 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 58 | D. E. Shaw & Co. ✦ | 12.51K | -38.7% | $483,925 | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 59 | Raymond James Financial Inc | 10.79K | +2.1% | $417,458 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 60 | Janus Henderson Group Plc | 9.21K | 0.0% | $355,475 | 0.0% | Held | 2 | SEC ↗ |
| 61 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 9.01K | +2.3% | $348,313 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | Barclays Plc | 8.59K | -76.1% | $332,067 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 63 | Hsbc Holdings Plc | 8.48K | New | $323,482 | 0.0% | New | 1 | SEC ↗ |
| 64 | Baird Financial Group, Inc. | 7.38K | New | $285,652 | 0.0% | New | 1 | SEC ↗ ×3 |
| 65 | Wells Fargo & Company/Mn | 7.33K | -65.7% | $283,322 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 66 | Envestnet Asset Management Inc | 7.13K | New | $275,891 | 0.0% | New | 1 | SEC ↗ |
| 67 | Zurcher Kantonalbank (Zurich… | 6.29K | -30.7% | $243,336 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | Squarepoint Ops LLC | 5.56K | -88.5% | $215,061 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 69 | Renaissance Technologies ✦ | 5.50K | -30.4% | $212,740 | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 70 | Pnc Financial Services Group, Inc. | 5.29K | +0.2% | $204,617 | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 71 | Manufacturers Life Insurance… | 5.18K | New | $200,362 | 0.0% | New | 1 | SEC ↗ |
| 72 | Bnp Paribas Financial Markets | 4.67K | -41.2% | $180,790 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 73 | Jones Financial Companies Lllp | 3.16K | +1330.3% | $119,860 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 74 | Cwm, Llc | 2.80K | -7.7% | $108,304 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 75 | Fidelity (FMR) ✦ | 2.62K | -6.0% | $101,553 | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 76 | Royal Bank Of Canada | 2.48K | -91.2% | $96,000 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 77 | Ensign Peak Advisors, Inc | 2.17K | 0.0% | $83,936 | 0.0% | Held | 2 | SEC ↗ |
| 78 | Us Bancorp \De\ | 550 | -1.1% | $21,274 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 79 | Rockefeller Capital Management L.P. | 482 | +115.2% | $18,666 | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 80 | Osaic Holdings, Inc. | 416 | +22.7% | $16,091 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | Northwestern Mutual Wealth… | 80 | 0.0% | $3,094 | 0.0% | Held | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Arrowstreet Capital | $6.27M | 0.0% |
| Jane Street Group, Llc | $5.68M | 0.0% |
| State Board Of Administration… | $950,174 | 0.0% |
| Balyasny Asset Management L.P. | $555,290 | 0.0% |
| Hsbc Holdings Plc | $323,482 | 0.0% |
| Baird Financial Group, Inc. | $285,652 | 0.0% |
| Envestnet Asset Management Inc | $275,891 | 0.0% |
| Manufacturers Life Insurance… | $200,362 | 0.0% |
Exited
| Citadel Advisors | $1.04M | was 0.0% |
| Point72 Asset Management | $950,941 | was 0.0% |
| Canada Pension Plan… | $48,744 | was 0.0% |
| Danske Bank A/S | $13,540 | was 0.0% |
| Simplex Trading, Llc | $7,446 | was 0.0% |
| Optiver Holding B.V. | $1,950 | 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: Q1 2026 ·
Methodology ·
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