Institutional Ownership
Koppers Holdings Inc
CUSIP 50060P106COMKOPQ1 2026
13D / 13G Filings
32
Schedule 13D/13G on record
Beneficial Filers
10
Distinct reporting persons
Largest Stake
19.6%
Max % of class reported
Institutional Holders
198
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
32 filings · latest Oct 31, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Oct 31, 2025 | The Vanguard Group | 13G/A | 7.8% | 1.54M | SEC |
| 2 | Apr 30, 2025 | The Vanguard Group | 13G/A | 9.4% | 1.92M | SEC |
| 3 | Apr 28, 2025 | Pzena Investment Management LLC | 13G | 6.1% | 1.22M | SEC |
| 4 | Apr 23, 2025 | Blackrock, Inc. | 13G/A | 17.8% | 3.59M | SEC |
| 5 | Feb 5, 2025 | Blackrock, Inc. | 13G/A | 19.6% | 3.98M | SEC |
| 6 | Nov 8, 2024 | Blackrock, Inc. | 13G/A | 18.6% | 3.82M | SEC |
| 7 | Oct 18, 2024 | Blackrock, Inc. | 13G/A | 18.6% | 3.82M | SEC |
| 8 | Oct 7, 2024 | Fuller & Thaler Asset Management, Inc. | 13G/A | 5.8% | 1.19M | SEC |
| 9 | Feb 13, 2024 | Vanguard Group Inc | 13G/A | 11.4% | 2.37M | SEC |
| 10 | Feb 12, 2024 | Rubric Capital Management LP | 13G/A | 4.8% | 1.01M | SEC |
22 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Koppers Holdings Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 3.05M | $117.78M |
| 2 | Pzena Investment Management LLC | 1.21M | $46.78M |
| 3 | Dimensional Fund Advisors LP | 1.19M | $46.08M |
| 4 | Fuller & Thaler Asset Management, Inc. | 978.6K | $37.85M |
| 5 | Simcoe Capital Management, LLC | 944.4K | $36.53M |
| 6 | State Street Corp | 752.3K | $29.10M |
| 7 | American Century Companies Inc | 535.0K | $20.69M |
| 8 | Charles Schwab Investment Management Inc | 477.9K | $18.48M |
| 9 | Geode Capital Management, LLC | 467.6K | $18.09M |
| 10 | Quaker Capital Investments, LLC | 457.9K | $17.71M |