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 |
|---|---|---|---|---|---|
| Capital Advisors, Ltd. LLC | 12 | $0 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1 | $39 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 2 | $78 | 0.00% | −2−50.0% | Reduced |
| Gilpin Wealth Management, LLC | 2 | $78 | 0.00% | +2 | New |
| Ankerstar Wealth, LLC | 7 | $271 | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 11 | $425 | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 13 | $503 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 13 | $503 | 0.00% | +6+85.7% | Added |
| Rothschild Investment LLC | 15 | $580 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 32 | $1.00K | 0.00% | +1+3.2% | Added |
| Cedar Mountain Advisors, LLC | 35 | $1.35K | 0.00% | −6−14.6% | Reduced |
| Parkside Financial Bank & Trust | 39 | $1.51K | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 49 | $1.90K | 0.00% | +49 | New |
| Root Financial Partners, LLC | 50 | $1.93K | 0.00% | +50 | New |
| Umb Bank N A | 54 | $2.09K | 0.00% | +2+3.8% | Added |
| Kilter Group LLC | 60 | $2.32K | 0.00% | +60 | New |
| Northwestern Mutual Wealth Management Co | 80 | $3.09K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 87 | $3.37K | 0.00% | −41−32.0% | Reduced |
| Signaturefd, LLC | 103 | $3.98K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 112 | $4.33K | 0.00% | +4+3.7% | Added |
| LRI Investments, LLC | 146 | $5.65K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 148 | $6.00K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 156 | $6.03K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 186 | $7.00K | 0.00% | +173+1,330.8% | Added |
| Essential Partners LLC | 188 | $7.27K | 0.00% | −2−1.1% | Reduced |
| Trust Co of Toledo NA | 191 | $7.39K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 203 | $7.85K | 0.00% | +21+11.5% | Added |
| Smartleaf Asset Management LLC | 207 | $7.92K | 0.00% | −345−62.5% | Reduced |
| EverSource Wealth Advisors, LLC | 216 | $8.35K | 0.00% | −3−1.4% | Reduced |
| Hantz Financial Services, Inc. | 316 | $12.0K | 0.00% | +3+1.0% | Added |
| WealthCollab, LLC | 322 | $12.5K | 0.01% | 00.0% | Unchanged |
| Salomon & Ludwin, LLC | 373 | $13.9K | 0.00% | +136+57.4% | Added |
| Pinnacle Wealth Planning Services, Inc. | 405 | $15.7K | 0.00% | +13+3.3% | Added |
| Advisor Group Holdings, Inc. | 416 | $16.1K | 0.00% | +77+22.7% | Added |
| Rockefeller Capital Management L.P. | 482 | $18.7K | 0.00% | +258+115.2% | Added |
| Ronald Blue Trust, Inc. | 497 | $19.2K | 0.00% | +25+5.3% | Added |
| US Bancorp | 550 | $21.3K | 0.00% | −6−1.1% | Reduced |
| Brown, Lisle/Cummings, Inc. | 617 | $23.9K | 0.01% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 626 | $24.2K | 0.00% | −464−42.6% | Reduced |
| Nisa Investment Advisors, LLC | 646 | $25.0K | 0.00% | +142+28.2% | Added |
| Parallel Advisors, LLC | 726 | $28.1K | 0.00% | +77+11.9% | Added |
| Versant Capital Management, Inc | 729 | $28.2K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 965 | $37.3K | 0.00% | +115+13.5% | Added |
| Financial Consulate, Inc | 1,500 | $58.0K | 0.01% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 1,614 | $62.4K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,920 | $74.3K | 0.00% | +728+61.1% | Added |
| Ensign Peak Advisors, Inc | 2,170 | $83.9K | 0.00% | 00.0% | Unchanged |
| Copeland Capital Management, LLC | 2,190 | $84.7K | 0.00% | +160+7.9% | Added |
| Royal Bank of Canada | 2,485 | $96.0K | 0.00% | −25,824−91.2% | Reduced |
| Public Employees Retirement System of Ohio | 2,575 | $99.6K | 0.00% | −4,940−65.7% | Reduced |
| FMR LLC | 2,625 | $101.6K | 0.00% | −166−5.9% | Reduced |
| CWM, LLC | 2,800 | $108.3K | 0.00% | −233−7.7% | Reduced |
| New York State Teachers Retirement System | 3,017 | $117.0K | 0.00% | −27,082−90.0% | Reduced |
| Jones Financial Companies LLLP | 3,161 | $119.9K | 0.00% | +2,940+1,330.3% | Added |
| SG Americas Securities, LLC | 4,246 | $164.0K | 0.00% | +4,246 | New |
| Oregon Public Employees Retirement Fund | 4,520 | $174.8K | 0.00% | +8+0.2% | Added |
| Vanguard Investments Australia, Ltd. | 4,562 | $176.5K | 0.00% | +4,562 | New |
| BNP Paribas Arbitrage, SA | 4,674 | $180.8K | 0.00% | −3,278−41.2% | Reduced |
| Teachers Retirement System of the State of Kentucky | 4,990 | $193.0K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 5,180 | $200.4K | 0.00% | +5,180 | New |
| DekaBank Deutsche Girozentrale | 5,222 | $203.0K | 0.00% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 5,251 | $203.1K | 0.00% | +5,251 | New |
| The PNC Financial Services Group, Inc. | 5,290 | $204.6K | 0.00% | +9+0.2% | Added |
| Kestra Advisory Services, LLC | 5,297 | $204.9K | 0.00% | +1,070+25.3% | Added |
| Police & Firemen's Retirement System of New Jersey | 5,334 | $206.3K | 0.00% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 5,380 | $208.1K | 0.00% | −15,579−74.3% | Reduced |
| Arizona State Retirement System | 5,388 | $208.4K | 0.00% | +5,388 | New |
| Renaissance Technologies LLC | 5,500 | $212.7K | 0.00% | −2,400−30.4% | Reduced |
| Squarepoint Ops LLC | 5,560 | $215.1K | 0.00% | −42,910−88.5% | Reduced |
| Quadrant Capital Group LLC | 5,568 | $215.4K | 0.01% | −86−1.5% | Reduced |
| Amalgamated Bank | 5,623 | $217.0K | 0.00% | −139−2.4% | Reduced |
| D.B. Root & Company, LLC | 5,705 | $220.7K | 0.05% | +5,705 | New |
| Mangrove Partners | 5,752 | $222.5K | 0.02% | −16,980−74.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,291 | $243.3K | 0.00% | −2,783−30.7% | Reduced |
| State of Wyoming | 6,704 | $259.3K | 0.03% | −7,531−52.9% | Reduced |
| Atria Investments LLC | 6,987 | $270.3K | 0.00% | +6,987 | New |
| Envestnet Asset Management Inc | 7,133 | $275.9K | 0.00% | +7,133 | New |
| Wells Fargo & Company | 7,325 | $283.3K | 0.00% | −14,058−65.7% | Reduced |
| Baird Financial Group, Inc. | 7,385 | $285.7K | 0.00% | +7,385 | New |
| Quadrature Capital Ltd | 7,429 | $287.4K | 0.00% | +7,429 | New |
| Daytona Street Capital LLC | 8,000 | $306.3K | 0.25% | 00.0% | Unchanged |
| Royce & Associates LP | 8,237 | $318.6K | 0.00% | +8,237 | New |
| DGS Capital Management, LLC | 8,343 | $322.7K | 0.05% | +8,343 | New |
| HSBC Holdings PLC | 8,477 | $323.5K | 0.00% | +8,477 | New |
| Barclays PLC | 8,585 | $332.1K | 0.00% | −27,354−76.1% | Reduced |
| Louisiana State Employees Retirement System | 8,700 | $336.5K | 0.01% | −300−3.3% | Reduced |
| Janney Montgomery Scott LLC | 8,992 | $348.0K | 0.00% | +8,992 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 9,005 | $348.3K | 0.00% | +204+2.3% | Added |
| Janus Henderson Group PLC | 9,208 | $355.5K | 0.00% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 9,281 | $359.0K | 0.02% | −12,376−57.1% | Reduced |
| PDT Partners, LLC | 9,583 | $370.7K | 0.02% | −3,800−28.4% | Reduced |
| Illinois Municipal Retirement Fund | 10,201 | $394.6K | 0.01% | −901−8.1% | Reduced |
| EP Wealth Advisors, LLC | 10,240 | $396.1K | 0.00% | +10,240 | New |
| J. Safra Sarasin Holding AG | 10,255 | $396.7K | 0.01% | +10,255 | New |
| Bristlecone Value Partners, LLC | 10,650 | $411.9K | 0.36% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 10,700 | $413.0K | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Inc | 10,793 | $417.5K | 0.00% | +221+2.1% | Added |
| Skopos Labs, Inc. | 10,982 | $424.8K | 0.01% | +10,982 | New |
| MetLife Investment Management | 11,217 | $433.9K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 11,431 | $442.2K | 0.00% | −62,141−84.5% | Reduced |