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.
13F holders, Q1 2026
Institutional positions in Koppers Holdings Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 204
- +16 vs. Q4 2025
- Shares held
- 19.1M
- +1.38M (+7.8%) vs. Q4 2025
- Total value
- $738.0M
- +$258.2M (+53.8%) vs. Q4 2025
- New holders
- 35
- 69 more added
- Sold out
- 19
- 65 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting KOP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 217 | $871.2M |
| Q1 2026 | 204 | $738.0M |
| Q4 2025 | 193 | $523.2M |
| Q3 2025 | 200 | $517.8M |
| Q2 2025 | 203 | $599.1M |
| Q1 2025 | 185 | $530.7M |
| Q4 2024 | 191 | $610.0M |
| Q3 2024 | 191 | $676.8M |
| Q2 2024 | 184 | $698.5M |
| Q1 2024 | 183 | $1.09B |
| Q4 2023 | 180 | $997.5M |
| Q3 2023 | 169 | $752.0M |
| Q2 2023 | 152 | $631.7M |
| Q1 2023 | 153 | $645.3M |
| Q4 2022 | 139 | $515.7M |
| Q3 2022 | 138 | $385.9M |
| Q2 2022 | 142 | $416.0M |
| Q1 2022 | 145 | $521.0M |
| Q4 2021 | 148 | $589.5M |
| Q3 2021 | 141 | $614.0M |
| Q2 2021 | 140 | $625.0M |
| Q1 2021 | 147 | $657.6M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Koppers Holdings Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Fuller & Thaler Asset Management, Inc. | 978,590 | $37.9M | 0.13% | −35,228−3.5% | Reduced |
| Dimensional Fund Advisors LP | 1,191,358 | $46.1M | 0.01% | +17,833+1.5% | Added |
| Pzena Investment Management LLC | 1,209,376 | $46.8M | 0.15% | +5,124+0.4% | Added |
| BlackRock, Inc. | 3,045,112 | $117.8M | 0.00% | −658,405−17.8% | Reduced |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −74,800−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −42,553−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −38,241−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −35,116−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −29,423−100.0% | Sold out |
| Supplemental Annuity Collective Trust of NJ | 0 | $0 | 0.00% | −24,000−100.0% | Sold out |
| CWA Asset Management Group, LLC | 0 | $0 | 0.00% | −19,861−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −18,671−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −16,470−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −13,309−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −11,907−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −9,465−100.0% | Sold out |
| Ci Investments Inc. | 0 | $0 | 0.00% | −8,000−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −7,838−100.0% | Sold out |
| Vestcor Inc | 0 | $0 | 0.00% | −7,294−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −1,800−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −275−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −72−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Brandywine Global Investment Management, LLC | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| EMC Capital Management | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |