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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, Q2 2026

Institutional positions in Koppers Holdings Inc. as of Jun 30, 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
217
+18 vs. Q1 2026
Shares held
19.4M
+346.1K (+1.8%) vs. Q1 2026
Total value
$871.2M
+$134.4M (+18.2%) vs. Q1 2026
New holders
33
73 more added
Sold out
15
67 more reduced

5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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.

Institutional holdersQ2 2026: 217 institutions
Q1 2021: 147 institutionsQ2 2021: 140 institutionsQ3 2021: 141 institutionsQ4 2021: 148 institutionsQ1 2022: 145 institutionsQ2 2022: 142 institutionsQ3 2022: 138 institutionsQ4 2022: 139 institutionsQ1 2023: 153 institutionsQ2 2023: 152 institutionsQ3 2023: 169 institutionsQ4 2023: 180 institutionsQ1 2024: 183 institutionsQ2 2024: 184 institutionsQ3 2024: 191 institutionsQ4 2024: 191 institutionsQ1 2025: 185 institutionsQ2 2025: 203 institutionsQ3 2025: 200 institutionsQ4 2025: 193 institutionsQ1 2026: 204 institutionsQ2 2026: 217 institutions
Value heldQ2 2026: $871.2M
Q1 2021: $657.6MQ2 2021: $625.0MQ3 2021: $614.0MQ4 2021: $589.5MQ1 2022: $521.0MQ2 2022: $416.0MQ3 2022: $385.9MQ4 2022: $515.7MQ1 2023: $645.3MQ2 2023: $631.7MQ3 2023: $752.0MQ4 2023: $997.5MQ1 2024: $1.09BQ2 2024: $698.5MQ3 2024: $676.8MQ4 2024: $610.0MQ1 2025: $530.7MQ2 2025: $599.1MQ3 2025: $517.8MQ4 2025: $523.2MQ1 2026: $738.0MQ2 2026: $871.2M
Institutions holding KOP and their total value by quarter
QuarterHoldersValue
Q2 2026217$871.2M
Q1 2026204$738.0M
Q4 2025193$523.2M
Q3 2025200$517.8M
Q2 2025203$599.1M
Q1 2025185$530.7M
Q4 2024191$610.0M
Q3 2024191$676.8M
Q2 2024184$698.5M
Q1 2024183$1.09B
Q4 2023180$997.5M
Q3 2023169$752.0M
Q2 2023152$631.7M
Q1 2023153$645.3M
Q4 2022139$515.7M
Q3 2022138$385.9M
Q2 2022142$416.0M
Q1 2022145$521.0M
Q4 2021148$589.5M
Q3 2021141$614.0M
Q2 2021140$625.0M
Q1 2021147$657.6M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Koppers Holdings Inc.; share changes are against Q1 2026.

Institutions holding KOP in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Evolution Advisers, Inc.8$00.00%+8New
SBI Securities Co., Ltd.1$450.00%00.0%Unchanged
Davis Capital Management1$450.00%+1New
True Wealth Design, LLC2$900.00%00.0%Unchanged
Gilpin Wealth Management, LLC2$900.00%00.0%Unchanged
JFS Wealth Advisors, LLC3$1350.00%+3New
Clearstead Advisors, LLC5$2250.00%+5New
Ankerstar Wealth, LLC7$3140.00%00.0%Unchanged
Harbour Investments, Inc.7$3310.00%+7New
Farmers & Merchants Investments Inc13$5840.00%00.0%Unchanged
Rothschild Investment LLC15$6740.00%00.0%Unchanged
Capital Advisors, Ltd. LLC12$1.00K0.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC29$1.30K0.00%+29New
Cedar Mountain Advisors, LLC35$1.57K0.00%00.0%Unchanged
Parkside Financial Bank & Trust39$1.75K0.00%00.0%Unchanged
Larson Financial Group LLC42$1.89K0.00%+42New
Keating Financial Advisory Services, Inc.49$2.20K0.00%00.0%Unchanged
Wall Street Access Asset Management, LLC56$2.52K0.00%+56New
Umb Bank N A60$2.69K0.00%+6+11.1%Added
Picton Mahoney Asset Management60$2.69K0.00%+60New
Dogwood Wealth Management LLC60$2.69K0.00%+60New
Quarry LP61$2.74K0.00%+61New
Northwestern Mutual Wealth Management Co80$3.59K0.00%00.0%Unchanged
Barrow Hanley Mewhinney & Strauss LLC80$3.59K0.00%+80New
IFP Advisors, Inc87$3.91K0.00%00.0%Unchanged
Optiver Holding B.V.91$4.09K0.00%+91New
SJS Investment Consulting Inc.109$4.89K0.00%+109New
Farther Finance Advisors, LLC109$4.90K0.00%−77−41.4%Reduced
LRI Investments, LLC146$6.55K0.00%00.0%Unchanged
Bessemer Group Inc148$7.00K0.00%00.0%Unchanged
Los Angeles Capital Management LLC156$7.00K0.00%00.0%Unchanged
Essential Partners LLC163$7.32K0.00%−25−13.3%Reduced
Skylands Capital, LLC175$7.86K0.00%−20,875−99.2%Reduced
EverSource Wealth Advisors, LLC188$8.44K0.00%−28−13.0%Reduced
Trust Co of Toledo NA191$8.58K0.00%00.0%Unchanged
Smartleaf Asset Management LLC207$9.39K0.00%00.0%Unchanged
Signaturefd, LLC222$9.97K0.00%+119+115.5%Added
Rockefeller Capital Management L.P.273$12.3K0.00%−209−43.4%Reduced
WealthCollab, LLC322$14.5K0.01%00.0%Unchanged
Hantz Financial Services, Inc.349$16.0K0.00%+33+10.4%Added
Sterling Capital Management LLC368$16.5K0.00%−258−41.2%Reduced
Allworth Financial LP368$16.5K0.00%+165+81.3%Added
Salomon & Ludwin, LLC373$16.6K0.00%00.0%Unchanged
Pinnacle Wealth Planning Services, Inc.412$18.5K0.00%+7+1.7%Added
Advisor Group Holdings, Inc.424$19.0K0.00%+8+1.9%Added
Ronald Blue Trust, Inc.488$21.9K0.00%−9−1.8%Reduced
US Bancorp513$23.0K0.00%−37−6.7%Reduced
SRS Capital Advisors, Inc.599$26.9K0.00%+487+434.8%Added
Brown, Lisle/Cummings, Inc.617$27.7K0.01%00.0%Unchanged
Custom Index Systems, LLC649$29.1K0.01%+649New
Assetmark, Inc679$30.5K0.00%+679New
Nykredit A/S688$30.9K0.00%+688New
Versant Capital Management, Inc715$32.1K0.00%−14−1.9%Reduced
Parallel Advisors, LLC753$33.8K0.00%+27+3.7%Added
Tower Research Capital LLC (TRC)856$38.4K0.00%−1,064−55.4%Reduced
GAMMA Investing LLC978$43.9K0.00%+13+1.3%Added
Nisa Investment Advisors, LLC1,006$45.2K0.00%+360+55.7%Added
Public Employees Retirement System of Ohio1,120$50.3K0.00%−1,455−56.5%Reduced
Mirae Asset Global Investments Co., Ltd.1,232$55.3K0.00%+1,232New
Financial Consulate, Inc1,500$67.3K0.01%00.0%Unchanged
Ameritas Investment Partners, Inc.1,614$72.5K0.00%00.0%Unchanged
Ensign Peak Advisors, Inc1,870$84.0K0.00%−300−13.8%Reduced
Copeland Capital Management, LLC2,095$94.1K0.00%−95−4.3%Reduced
Barclays PLC2,762$124.0K0.00%−5,823−67.8%Reduced
FMR LLC3,071$137.9K0.00%+446+17.0%Added
New York State Teachers Retirement System3,111$140.0K0.00%+94+3.1%Added
Royal Bank of Canada3,249$146.0K0.00%+764+30.7%Added
BNP Paribas Arbitrage, SA3,260$146.4K0.00%−1,414−30.3%Reduced
STRS Ohio4,400$197.6K0.00%+4,400New
Oregon Public Employees Retirement Fund4,420$198.5K0.00%−100−2.2%Reduced
DekaBank Deutsche Girozentrale5,222$199.0K0.00%00.0%Unchanged
Wealth Enhancement Advisory Services, LLC4,302$204.6K0.00%+4,302New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys4,561$204.8K0.00%+4,561New
Vanguard Investments Australia, Ltd.4,562$204.8K0.00%00.0%Unchanged
JustInvest LLC4,571$205.2K0.00%+4,571New
Glenmede Trust Co NA4,621$207.5K0.00%+4,621New
Mirabella Financial Services LLP4,768$214.1K0.02%+4,768New
Manufacturers Life Insurance Company, The4,812$216.1K0.00%−368−7.1%Reduced
Mitsubishi UFJ Trust & Banking Corp4,821$216.5K0.00%+4,821New
Yousif Capital Management, LLC4,832$217.0K0.00%−419−8.0%Reduced
Kestra Advisory Services, LLC4,930$221.3K0.00%−367−6.9%Reduced
Swiss Life Asset Management Ltd4,942$221.9K0.00%+4,942New
Teachers Retirement System of the State of Kentucky4,990$224.0K0.00%00.0%Unchanged
Arizona State Retirement System5,069$227.6K0.00%−319−5.9%Reduced
SG Americas Securities, LLC5,114$230.0K0.00%+868+20.4%Added
Amalgamated Bank5,140$231.0K0.00%−483−8.6%Reduced
Police & Firemen's Retirement System of New Jersey5,334$239.5K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.5,361$240.7K0.00%+71+1.3%Added
Teacher Retirement System of Texas5,385$241.8K0.00%+5,385New
Quadrant Capital Group LLC5,568$250.0K0.01%00.0%Unchanged
State Board of Administration of Florida Retirement System5,703$256.1K0.00%−18,862−76.8%Reduced
D.B. Root & Company, LLC5,705$256.2K0.05%00.0%Unchanged
Jones Financial Companies LLLP5,783$260.9K0.00%+2,622+82.9%Added
Guggenheim Capital LLC6,434$288.9K0.00%+1,054+19.6%Added
EntryPoint Capital, LLC6,652$298.7K0.07%−8,860−57.1%Reduced
Envestnet Asset Management Inc6,980$313.4K0.00%−153−2.1%Reduced
Atria Investments LLC7,046$316.4K0.00%+59+0.8%Added
State of Alaska, Department of Revenue7,156$320.0K0.00%−3,544−33.1%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)7,670$344.4K0.00%+1,379+21.9%Added
Louisiana State Employees Retirement System8,400$377.2K0.01%−300−3.4%Reduced