Koppers Holdings Inc.
KOP- Exchange
- NYSE
- Industry
- Lumber & Wood Products (No Furniture)
- SEC CIK
- 0001315257
In the last 90 days, Koppers Holdings Inc. insiders filed 0 open-market purchases and 3 sales; 217 institutions reported holding it in 13F filings for Q2 2026, worth $871.2M in total; no superinvestor holds it.
Key figures
- Market capClose on Nov 9, 2026
- $551.3M
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $379.6K in total
- 3
- 13F holdersQ2 2026, +18 vs. previous quarter
- 217
- 13F valueReported value at the end of Q2 2026
- $871.2M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $1.88B
- −10.2% year over year
- Net income, FY2025
- $56.0M
- +6.9% year over year
- Free cash flow, FY2025
- $67.5M
- +60.7% year over year
- Revenue, Q3 FY2026
- $499.1M
- +2.8% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 15, 2026.
- Short interest
- 739.6K
- Shares sold short
- Change
- −61.3K
- −7.7% vs. previous
- Days to cover
- 4.77
- At average daily volume
Superinvestors holding KOP, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding KOP at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Koppers Holdings Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2026 (view filing)4:23 PM ET | Aug 31 | 1 day | Ball M LeroyCEO | SSale | −4.00K | $45.96 | −$183.8K | −0.9%429.6K after | |
| Aug 20, 2026 (view filing)4:08 PM ET | Aug 19 | 1 day | Ball M LeroyCEO | SSale | −3.00K | $45.84 | −$137.5K | −0.7%433.6K after | |
| Aug 13, 2026 (view filing)5:11 PM ET | Aug 12 | 1 day | Lucas Stephen GSVP, Culture and Engagement | SSale | −1.31K | $44.55 | −$58.3K | −3.7%34.3K after | |
| Aug 12, 2026 (view filing)6:29 PM ET | Aug 11 | 1 day | Sullivan James A.President and CTO | SSale | −7.50K | $50.00 | −$375.0K | −8.3%82.9K after | |
| Aug 11, 2026 (view filing)4:25 PM ET | Aug 10 | 1 day | Pearce Bradley ACAO | SSale | −2.00K | $51.01 | −$102.0K | −4.6%41.0K after | |
| Aug 11, 2026 (view filing)4:21 PM ET | Aug 7 | 4 days | Sullivan James A.President and CTO | SSale | −80.0K | $50.01 | −$4.00M | −46.9%90.4K after | 2 lots |
| Jun 23, 2026 (view filing) | Jun 18 | 5 days | Ball M LeroyCEO | SSale | −3.41K | $43.90 | −$149.8K | −0.8%436.2K after | |
| Jun 15, 2026 (view filing) | Jun 11 | 4 days | Ball M LeroyCEO | SSale | −4.14K | $41.34 | −$171.2K | −0.9%440.0K after | |
| May 14, 2026 (view filing) | May 13 | 1 day | Ball M LeroyCEO | SSale | −2.66K | $42.55 | −$113.1K | −0.6%444.1K after | |
| Mar 18, 2026 (view filing) | Mar 17 | 1 day | Ball M LeroyCEO | SSale | −2.49K | $37.91 | −$94.4K | −0.6%447.5K after |
Top 10 13F holders, Q2 2026
See all 217 holdersThe largest institutional positions in Koppers Holdings Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,047,603 | $136.8M | 0.00% | +2,491+0.1% | Added |
| Simcoe Capital Management, LLC | 1,416,160 | $63.6M | 12.34% | +471,730+49.9% | Added |
| Dimensional Fund Advisors LP | 1,237,249 | $55.6M | 0.01% | +45,891+3.9% | Added |
| Pzena Investment Management LLC | 1,061,285 | $47.7M | 0.14% | −148,091−12.2% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 943,279 | $42.4M | 0.12% | −35,311−3.6% | Reduced |
| LSV Asset Management | 941,881 | $42.3M | 0.08% | +15,850+1.7% | Added |
| American Century Companies Inc | 848,068 | $38.1M | 0.02% | +313,066+58.5% | Added |
| Vanguard Capital Management LLC | 812,629 | $36.5M | 0.00% | −27,817−3.3% | Reduced |
| State Street Corp | 804,553 | $36.1M | 0.00% | +52,289+7.0% | Added |
| Vanguard Portfolio Management LLC | 539,047 | $24.2M | 0.00% | +8,515+1.6% | Added |
Holders of 5% or more of KOP
See all 4 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Koppers Holdings Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 15.30%2.95M shares | −2.50 ppfrom 17.80% | Oct 18, 20245 filings | Apr 24, 2026 | SEC |
| Dimensional Fund Advisors LP | 13G/A | 6.70%1.27M shares | – | Feb 9, 20242 filings | Oct 8, 2026 | SEC |
| Simcoe Capital Management, LLC | 13D/A | 5.60%1.06M shares | −1.40 ppfrom 7.00% | May 19, 20262 filings | Oct 22, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.04%954.3K shares | +0.08 ppfrom 4.96% | Apr 30, 20263 filings | Oct 30, 2026 | SEC |