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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
Mirae Asset Global ETFs Holdings Ltd.8,417$377.9K0.00%−588−6.5%Reduced
Integrated Quantitative Investments LLC8,436$378.8K0.06%+8,436New
Daytona Street Capital LLC8,000$382.3K0.28%00.0%Unchanged
State of Wyoming8,550$383.9K0.04%+1,846+27.5%Added
Boston Partners9,177$412.1K0.00%−7,401−44.6%Reduced
Jupiter Topco LLC9,208$413.4K0.00%+9,208New
PDT Partners, LLC9,583$430.3K0.02%00.0%Unchanged
EP Wealth Advisors, LLC9,810$440.5K0.00%−430−4.2%Reduced
Virginia Retirement Systems Et Al9,900$444.5K0.00%+9,900New
Mariner, LLC10,033$450.5K0.00%−9,980−49.9%Reduced
Illinois Municipal Retirement Fund10,263$460.8K0.01%+62+0.6%Added
Bristlecone Value Partners, LLC10,650$478.2K0.38%00.0%Unchanged
MetLife Investment Management11,217$503.6K0.00%00.0%Unchanged
HSBC Holdings PLC11,095$503.7K0.00%+2,618+30.9%Added
Squarepoint Ops LLC11,304$507.6K0.00%+5,744+103.3%Added
Gotham Asset Management, LLC11,522$517.3K0.00%+11,522New
Engineers Gate Manager LP11,940$536.1K0.01%−26,503−68.9%Reduced
Vanguard Asset Management, Ltd12,008$539.2K0.00%00.0%Unchanged
HRT Financial LP12,470$559.0K0.00%−73,305−85.5%Reduced
Mangrove Partners12,486$560.6K0.04%+6,734+117.1%Added
Jacobs Levy Equity Management, Inc12,593$565.4K0.00%−7,505−37.3%Reduced
AdvisorShares Investments LLC12,600$565.7K0.07%+12,600New
Thrivent Financial for Lutherans12,629$567.0K0.00%−463−3.5%Reduced
State of Tennessee, Treasury Department12,682$569.4K0.00%−2,574−16.9%Reduced
Pathstone Holdings, LLC13,236$594.3K0.00%−1,215−8.4%Reduced
Kennondale Capital Management LLC13,578$609.7K0.41%00.0%Unchanged
Allspring Global Investments Holdings, LLC14,138$634.8K0.00%+444+3.2%Added
Janney Montgomery Scott LLC14,166$636.0K0.00%+5,174+57.5%Added
Marble Wealth, LLC15,085$677.3K0.10%00.0%Unchanged
Fifth Third Bancorp15,189$682.0K0.00%−744−4.7%Reduced
Vident Advisory, LLC15,460$694.2K0.01%00.0%Unchanged
Wells Fargo & Company15,564$698.8K0.00%+8,239+112.5%Added
Harbor Capital Advisors, Inc.15,934$715.0K0.05%+1,201+8.2%Added
Covestor Ltd15,955$716.0K0.41%+15,923+49,759.4%Added
Great West Life Assurance Co16,022$719.0K0.00%−1,378−7.9%Reduced
Raymond James Financial Inc17,375$780.1K0.00%+6,582+61.0%Added
Deutsche Bank AG17,582$789.4K0.00%+1,179+7.2%Added
KLP Kapitalforvaltning AS18,400$826.2K0.00%00.0%Unchanged
Horizon Investments, LLC19,250$864.3K0.01%+422+2.2%Added
California State Teachers Retirement System19,975$896.9K0.00%+1,267+6.8%Added
D. E. Shaw & Co., Inc.20,462$918.7K0.00%+7,951+63.6%Added
Alliancebernstein L.P.23,933$925.7K0.00%+5,130+27.3%Added
Intech Investment Management LLC20,779$933.0K0.01%+9,348+81.8%Added
Lazard Asset Management LLC21,593$969.5K0.00%+198+0.9%Added
State of Wisconsin Investment Board23,048$1.03M0.00%−10,696−31.7%Reduced
Campbell & CO Investment Adviser LLC23,222$1.04M0.05%+13,941+150.2%Added
Hancock Whitney Corp24,418$1.10M0.02%+6,751+38.2%Added
Quantinno Capital Management LP24,637$1.11M0.00%+4,798+24.2%Added
Globeflex Capital L P27,190$1.22M0.16%00.0%Unchanged
Gamco Investors, Inc. Et Al28,814$1.29M0.01%00.0%Unchanged
Price T Rowe Associates Inc29,340$1.32M0.00%+4,449+17.9%Added
Nomura Asset Management International Inc.30,600$1.37M0.00%00.0%Unchanged
Voya Investment Management LLC30,885$1.39M0.00%+566+1.9%Added
New York State Common Retirement Fund31,270$1.40M0.00%+10,800+52.8%Added
Acadian Asset Management LLC33,125$1.48M0.00%+6,290+23.4%Added
Prudential Financial Inc33,224$1.49M0.00%+13,295+66.7%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.33,491$1.50M0.00%+6,880+25.9%Added
SEI Investments Co33,818$1.52M0.00%−36,161−51.7%Reduced
UBS Group AG33,822$1.52M0.00%+1,216+3.7%Added
Victory Capital Management Inc35,000$1.57M0.00%−2,150−5.8%Reduced
Swiss National Bank36,900$1.66M0.00%−2,400−6.1%Reduced
Legal & General Group Plc39,723$1.78M0.00%−3,294−7.7%Reduced
Creative Planning40,210$1.81M0.00%+21,816+118.6%Added
Pacific Ridge Capital Partners, LLC42,995$1.93M0.35%−494−1.1%Reduced
Citigroup Inc46,174$2.07M0.00%−17,636−27.6%Reduced
Vanguard Global Advisers, LLC46,300$2.08M0.00%00.0%Unchanged
XTX Topco Ltd46,434$2.08M0.03%+21,785+88.4%Added
Rhumbline Advisers49,724$2.23M0.00%−8,143−14.1%Reduced
UBS Asset Management Americas Inc50,668$2.27M0.00%−8,234−14.0%Reduced
Nuveen, LLC51,023$2.29M0.00%−12,096−19.2%Reduced
Jane Street Group, LLC54,010$2.43M0.00%−92,939−63.2%Reduced
Villanova Investment Management Co LLC55,835$2.51M2.38%00.0%Unchanged
Ironwood Investment Management LLC58,116$2.61M0.90%−1,300−2.2%Reduced
Federated Hermes, Inc.62,781$2.82M0.00%−5,072−7.5%Reduced
First Trust Advisors LP65,533$2.94M0.00%+1,392+2.2%Added
Public Sector Pension Investment Board66,064$2.97M0.01%−4,155−5.9%Reduced
Franklin Resources Inc70,243$3.15M0.00%+7,800+12.5%Added
JB Capital Partners LP78,101$3.51M0.54%00.0%Unchanged
AQR Capital Management LLC78,205$3.51M0.00%−17,262−18.1%Reduced
Kestrel Investment Management Corp83,450$3.75M2.04%00.0%Unchanged
Santori & Peters83,834$3.76M1.06%+4,828+6.1%Added
Denali Advisors LLC96,092$4.31M0.43%+41,127+74.8%Added
Empowered Funds, LLC102,787$4.62M0.02%+6,214+6.4%Added
O'Shaughnessy Asset Management, LLC105,366$4.73M0.02%−4,488−4.1%Reduced
Pacer Advisors, Inc.114,072$5.12M0.01%+114,072New
Bank of America Corp117,916$5.29M0.00%−11,032−8.6%Reduced
Seizert Capital Partners, LLC122,722$5.51M0.23%+9,587+8.5%Added
JPMorgan Chase & Co122,354$5.55M0.00%+31,675+34.9%Added
Vanguard Fiduciary Trust Co125,938$5.65M0.00%−278−0.2%Reduced
Russell Investments Group, Ltd.129,720$5.82M0.01%−53,501−29.2%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH130,584$5.86M0.01%+734+0.6%Added
Principal Financial Group Inc136,719$6.14M0.00%+1,133+0.8%Added
Huntington National Bank146,587$6.58M0.03%−10,512−6.7%Reduced
Bridgeway Capital Management, LLC153,740$6.90M0.12%+6,214+4.2%Added
Goldman Sachs Group Inc158,809$7.13M0.00%+13,964+9.6%Added
Arrowstreet Capital, Limited Partnership189,200$8.50M0.00%+27,128+16.7%Added
CSM Advisors, LLC194,345$8.72M0.19%−210−0.1%Reduced
Bank of New York Mellon Corp222,570$9.99M0.00%−1,686−0.8%Reduced
Dana Investment Advisors, Inc.231,399$10.4M0.27%−3,836−1.6%Reduced
Morgan Stanley242,924$10.9M0.00%+21,388+9.7%Added