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 6 sales; 217 institutions reported holding it in 13F filings for Q2 2026, worth $871.2M in total; no superinvestor holds it.
Q4 2025 vs. Q3 2025
How the institutions holding Koppers Holdings Inc. changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Of which not filed for Q4 2025 | Q4 2025 | Change |
|---|---|---|---|---|
| Holders | 200 | 4 | 193 | −3 |
| Shares | 18.5M | 55.5K | 19.3M | +878.7K (+4.8%) |
| Value | $517.8M | $1.55M | $523.2M | +$7.00M (+1.4%) |
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (21)
Institutions that held Koppers Holdings Inc. at the end of Q4 2025 but not at the end of Q3 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Simcoe Capital Management, LLC | 813,590 | $22.0M | 3.94% |
| JB Capital Partners LP | 70,000 | $1.90M | 0.33% |
| Citadel Advisors LLC | 38,241 | $1.04M | 0.00% |
| Nomura Asset Management International Inc. | 37,700 | $1.02M | 0.00% |
| SEI Investments Co | 37,321 | $1.01M | 0.00% |
| XTX Topco Ltd | 24,255 | $656.8K | 0.02% |
| Mangrove Partners | 22,732 | $615.6K | 0.05% |
| Guggenheim Capital LLC | 20,959 | $567.6K | 0.00% |
| CWA Asset Management Group, LLC | 19,861 | $537.8K | 0.02% |
| Numerai GP LLC | 17,996 | $487.3K | 0.06% |
| Marble Wealth, LLC | 15,085 | $408.5K | 0.06% |
| Bristlecone Value Partners, LLC | 10,650 | $288.4K | 0.33% |
| Susquehanna International Group, LLP | 10,138 | $274.5K | 0.00% |
| Daytona Street Capital LLC | 8,000 | $216.6K | 0.18% |
| Gsa Capital Partners LLP | 7,838 | $212.0K | 0.02% |
| Kestra Advisory Services, LLC | 4,227 | $114.5K | 0.00% |
| Canada Pension Plan Investment Board | 1,800 | $48.7K | 0.00% |
| Pinnacle Wealth Planning Services, Inc. | 392 | $10.6K | 0.00% |
| Los Angeles Capital Management LLC | 156 | $4.31K | 0.00% |
| MAI Capital Management | 7 | $190 | 0.00% |
| Ankerstar Wealth, LLC | 7 | $190 | 0.00% |
Sold out (24)
Institutions that held Koppers Holdings Inc. at the end of Q3 2025 and filed for Q4 2025 without it.
Not filed for Q4 2025 yet (4)
Institutions that held Koppers Holdings Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Cubist Systematic Strategies, LLC | 48,390 | $1.35M |
| Point72 Asia (Singapore) Pte. Ltd. | 5,185 | $145.2K |
| Shell Asset Management Co | 1,303 | $36.0K |
| Point72 (DIFC) Ltd | 572 | $16.0K |