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Disclosery

KOP KOPPERS HOLDINGS INC

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COM (common), issuer CIK 1315257

208 managers (216 13F filers) reported a position in KOP shares at 2026-06-30, 19,405,784 shares in all. 32 filers opened a position and 15 filers sold out during the quarter.

Managers
208
13F filers
216
New
32
Added
73
Reduced
67
Sold out
15
Shares held by filers
19,405,784

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.3,047,603$137M<0.01%+2,49113F-HRTimelineGroup
VANGUARD GROUP INCgroup of 7 filers holding1,545,055$69.4M-15,009Timeline
Simcoe Capital Management, LLC1,416,160$63.6M12.34%+471,73013F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP1,237,249$55.6M0.01%+45,89113F-HRTimelineGroup
PZENA INVESTMENT MANAGEMENT LLC1,061,285$47.7M0.14%-148,09113F-HRTimeline
FULLER & THALER ASSET MANAGEMENT, INC.943,279$42.4M0.12%-35,31113F-HRTimeline
LSV ASSET MANAGEMENT941,881$42.3M0.08%+15,85013F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC848,068$38.1M0.02%+313,06613F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP804,553$36.1M<0.01%+52,28913F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC483,417$21.7M<0.01%+15,80813F-HRTimelineGroup
Quaker Capital Investments, LLC408,555$18.3M5.02%-49,29713F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co384,122$17.2M<0.01%-93,75613F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.332,605$14.9M<0.01%+147,01913F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC285,656$12.8M<0.01%+23,86813F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP266,052$11.9M0.01%-151,48413F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP253,481$11.4M<0.01%+8,31813F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY242,924$10.9M<0.01%+21,38813F-HRTimelineGroup
Dana Investment Advisors, Inc.231,399$10.4M0.27%-3,83613F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp222,570$9.99M<0.01%-1,68613F-HRTimelineGroup
CSM Advisors, LLC194,345$8.72M0.19%-21013F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …189,200$8.5M<0.01%+27,12813F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC158,809$7.13M<0.01%+13,96413F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC153,740$6.9M0.12%+6,21413F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK146,587$6.58M0.03%-10,51213F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC136,719$6.14M<0.01%+1,13313F-HRTimelineGroup
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …130,584$5.86M0.01%+73413F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…129,720$5.82M0.01%-53,50113F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO122,354$5.55M<0.01%+31,67513F-HRTimelineGroup
SEIZERT CAPITAL PARTNERS, LLC122,722$5.51M0.23%+9,58713F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/117,916$5.29M<0.01%-11,03213F-HRTimelineGroup
Pacer Advisors, Inc.114,072$5.12M0.01%new13F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC105,366$4.73M0.02%-4,48813F-HRTimeline
Empowered Funds, LLC102,787$4.62M0.02%+6,21413F-HRTimeline
DENALI ADVISORS LLC96,092$4.31M0.43%+41,12713F-HRTimeline
UBS Group AGgroup of 2 filers holding84,490$3.79M-7,018Timeline
Santori & Peters, Inc.83,834$3.76M1.06%+4,82813F-HRTimeline
KESTREL INVESTMENT MANAGEMENT CORP83,450$3.75M2.04%013F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC78,205$3.51M<0.01%-17,26213F-HRTimelineGroup
JB CAPITAL PARTNERS LP78,101$3.51M0.54%013F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources70,243$3.15M<0.01%+7,80013F-HRTimelineGroup
Public Sector Pension Investment Board66,064$2.97M0.01%-4,15513F-HR/ATimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP65,533$2.94M<0.01%+1,39213F-HRTimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.62,781$2.82M<0.01%-5,07213F-HRTimelineGroup
IRONWOOD INVESTMENT MANAGEMENT LLC58,116$2.61M0.9%-1,30013F-HRTimeline
Villanova Investment Management Co LLC55,835$2.51M2.38%013F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC54,010$2.43M<0.01%-92,93913F-HRTimelineGroup
Nuveen, LLCin group TIAA51,023$2.29M<0.01%-12,09613F-HRTimelineGroup
RHUMBLINE ADVISERS49,724$2.23M<0.01%-8,14313F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd46,434$2.08M0.03%+21,78513F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC46,174$2.07M<0.01%-17,63613F-HRTimelineGroup
Pacific Ridge Capital Partners, LLC42,995$1.93M0.35%-49413F-HRTimeline
Creative Planningin group Creative Planning40,210$1.81M<0.01%+21,81613F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc39,723$1.78M<0.01%-3,29413F-HRTimelineGroup
Swiss National Bank36,900$1.66M<0.01%-2,40013F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC35,000$1.57M<0.01%-2,15013F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO33,818$1.52M<0.01%-36,16113F-HRTimelineGroup
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …33,491$1.5M<0.01%+6,88013F-HRTimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC33,224$1.49M<0.01%+13,29513F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC33,125$1.48M<0.01%+6,29013F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND31,270$1.4M<0.01%+10,80013F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC30,885$1.39M<0.01%+56613F-HRTimelineGroup
NOMURA ASSET MANAGEMENT INTERNATIONAL I…in group NOMURA ASSET MANAGEMENT CO LTD30,600$1.37M<0.01%013F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/29,340$1.32M<0.01%+4,44913F-HRTimeline
GAMCO INVESTORS, INC. ET ALin group GAMCO Investors (Gabelli)28,814$1.29M0.01%013F-HRTimelineGroup
GLOBEFLEX CAPITAL L P27,190$1.22M0.16%013F-HRTimeline
Quantinno Capital Management LP24,637$1.11M<0.01%+4,79813F-HRTimeline
HANCOCK WHITNEY CORP24,418$1.1M0.02%+6,75113F-HRTimeline
Campbell & CO Investment Adviser LLC23,222$1.04M0.05%+13,94113F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD23,048$1.03M<0.01%-10,69613F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC21,593$970K<0.01%+19813F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC20,779$933K0.01%+9,34813F-HRTimeline
ALLIANCEBERNSTEIN L.P.23,933$926K<0.01%+5,13013F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.20,462$919K<0.01%+7,95113F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…19,975$897K<0.01%+1,26713F-HR/ATimeline
Horizon Investments, LLC19,250$864K0.01%+42213F-HRTimeline
KLP KAPITALFORVALTNING AS18,400$826K<0.01%013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\17,582$789K<0.01%+1,17913F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC17,375$780K<0.01%+6,58213F-HRTimelineGroup
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co16,022$719K<0.01%-1,37813F-HRTimelineGroup
Covestor Ltd15,955$716K0.41%+15,92313F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.15,934$715K0.05%+1,20113F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN15,564$699K<0.01%+8,23913F-HRTimelineGroup
Vident Advisory, LLCin group Vident Advisory, LLC15,460$694K0.01%013F-HRTimelineGroup
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…15,189$682K<0.01%-74413F-HRTimelineGroup
Marble Wealth, LLC15,085$677K0.1%013F-HRTimeline
Janney Montgomery Scott LLC14,166$636K<0.01%+5,17413F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …14,138$635K<0.01%+44413F-HRTimelineGroup
Kennondale Capital Management LLC13,578$610K0.41%013F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC13,236$594K<0.01%-1,21513F-HRTimelineGroup
State of Tennessee, Department of Treas…12,682$569K<0.01%-2,57413F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…12,629$567K<0.01%-46313F-HRTimelineGroup
AdvisorShares Investments LLC12,600$566K0.07%new13F-HRTimeline
JACOBS LEVY EQUITY MANAGEMENT, INC12,593$565K<0.01%-7,50513F-HRTimeline
MANGROVE PARTNERS IM, LLC12,486$561K0.04%+6,73413F-HRTimeline
HRT FINANCIAL LP12,470$559K<0.01%-73,30513F-HRTimeline
Engineers Gate Manager LP11,940$536K0.01%-26,50313F-HRTimeline
Gotham Asset Management, LLC11,522$517K<0.01%new13F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC11,304$508K<0.01%+5,74413F-HRTimelineGroup
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC11,095$504K<0.01%+2,61813F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…11,217$504K<0.01%013F-HRTimelineGroup
Bristlecone Value Partners, LLC10,650$478K0.38%013F-HRTimeline
Illinois Municipal Retirement Fund10,263$461K0.01%+6213F-HRTimeline
Mariner, LLCin group Mariner, LLC10,033$451K<0.01%-9,98013F-HRTimelineGroup
VIRGINIA RETIREMENT SYSTEMS ET Al9,900$445K<0.01%new13F-HRTimeline
EP Wealth Advisors, LLC9,810$440K<0.01%-43013F-HRTimeline
Mirae Asset Global Investments Co., Ltd.group of 2 filers holding9,649$433K+644Timeline
PDT Partners, LLC9,583$430K0.02%013F-HRTimeline
Jupiter Topco LLCin group Janus Henderson9,208$413K<0.01%13F-HRTimelineGroup
Boston Partnersin group Boston Trust Walden Corp9,177$412K<0.01%-7,40113F-HRTimelineGroup
State of Wyoming8,550$384K0.04%+1,84613F-HRTimeline
Daytona Street Capital LLC8,000$382K0.28%013F-HRTimeline
Integrated Quantitative Investments LLC8,436$379K0.06%new13F-HRTimeline
Louisiana State Employees Retirement Sy…8,400$377K0.01%-30013F-HR/ATimeline
Zurcher Kantonalbank (Zurich Cantonalba…7,670$344K<0.01%+1,37913F-HRTimeline
State of Alaska, Department of Revenue7,156$320K<0.01%-3,54413F-HRTimeline
Atria Investments, Inc7,046$316K<0.01%+5913F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC6,980$313K<0.01%-15313F-HRTimelineGroup
EntryPoint Capital, LLC6,652$299K0.07%-8,86013F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC6,434$289K<0.01%+1,05413F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP5,783$261K<0.01%+2,62213F-HRTimelineGroup
D.B. Root & Company, LLC5,705$256K0.05%013F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…5,703$256K<0.01%-18,86213F-HRTimeline
QUADRANT CAPITAL GROUP LLC5,568$250K0.01%013F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS5,385$242K<0.01%new13F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…5,361$241K<0.01%+7113F-HRTimelineGroup
Police & Firemen's Retirement System of…5,334$239K<0.01%013F-HRTimeline
AMALGAMATED BANK5,140$231K<0.01%-48313F-HRTimeline
SG Americas Securities, LLC5,114$230K<0.01%+86813F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM5,069$228K<0.01%-31913F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…4,990$224K<0.01%013F-HRTimeline
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…4,942$222K<0.01%new13F-HRTimelineGroup
Kestra Advisory Services, LLCin group Kestra Advisory Services, LLC4,930$221K<0.01%-36713F-HRTimelineGroup
YOUSIF CAPITAL MANAGEMENT, LLC4,832$217K<0.01%-41913F-HRTimeline
Mitsubishi UFJ Trust & Banking Corpin group Mitsubishi UFJ Trust & Bankin…4,821$216K<0.01%new13F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …4,812$216K<0.01%-36813F-HRTimelineGroup
MIRABELLA FINANCIAL SERVICES LLP4,768$214K0.02%new13F-HRTimeline
GLENMEDE TRUST CO NAin group GLENMEDE TRUST CO NA4,621$207K<0.01%new13F-HRTimelineGroup
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…4,561$205K<0.01%new13F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…4,302$205K<0.01%new13F-HRTimeline
DekaBank Deutsche Girozentrale5,222$199K<0.01%013F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND4,420$198K<0.01%-10013F-HRTimeline
STRS OHIO4,400$198K<0.01%new13F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS3,260$146K<0.01%-1,41413F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA3,249$146K<0.01%+76413F-HRTimelineGroup
NEW YORK STATE TEACHERS RETIREMENT SYST…3,111$140K<0.01%+9413F-HRTimeline
FMR LLCin group FMR LLC3,071$138K<0.01%+44613F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC2,762$124K<0.01%-5,82313F-HRTimelineGroup
Copeland Capital Management, LLC2,095$94.1K<0.01%-9513F-HRTimeline
Ensign Peak Advisors, Inc1,870$84K<0.01%-30013F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…1,614$72.5K<0.01%013F-HRTimelineGroup
FINANCIAL CONSULATE, INC1,500$67.3K0.01%013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…1,120$50.3K<0.01%-1,45513F-HRTimeline
NISA INVESTMENT ADVISORS, LLC1,006$45.2K<0.01%+36013F-HRTimeline
GAMMA Investing LLC978$43.9K<0.01%+1313F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…856$38.4K<0.01%-1,06413F-HRTimelineGroup
Parallel Advisors, LLC753$33.8K<0.01%+2713F-HRTimeline
Versant Capital Management, Inc715$32.1K<0.01%-1413F-HRTimeline
Nykredit A/Sin group Nykredit A/S688$30.9K<0.01%13F-HRTimelineGroup
ASSETMARK, INCin group ASSETMARK, INC679$30.5K<0.01%new13F-HRTimelineGroup
Quantum Portfolio Management LLC649$29.1K0.01%new13F-HRTimeline
Arax Advisory Partners599$26.9K<0.01%+48713F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\513$23K<0.01%-3713F-HRTimelineGroup
Blue Trust, Inc.488$21.9K<0.01%-913F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.424$19K<0.01%+813F-HRTimelineGroup
Pinnacle Wealth Planning Services, Inc.412$18.5K<0.01%+713F-HRTimeline
Salomon & Ludwin, LLC373$16.6K<0.01%013F-HRTimeline
Allworth Financial LP368$16.5K<0.01%+16513F-HRTimeline
Sterling Capital Management LLC368$16.5K<0.01%-25813F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.349$16K<0.01%+3313F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
WealthCollab, LLC322$14.5K0.01%013F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…273$12.3K<0.01%-20913F-HRTimelineGroup
SIGNATUREFD, LLC222$9.97K<0.01%+11913F-HRTimeline
Smartleaf Asset Management LLC207$9.39K<0.01%013F-HRTimeline
Integrated Wealth Concepts LLC191$8.59K<0.01%new13F-HRTimeline
TRUST CO OF TOLEDO NA /OH/191$8.58K<0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…188$8.44K<0.01%-2813F-HRTimelineGroup
Skylands Capital, LLC175$7.86K<0.01%-20,87513F-HRTimeline
Essential Partners LLC163$7.32K<0.01%-2513F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC156$7K<0.01%013F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC148$7K<0.01%013F-HRTimelineGroup
LRI Investments, LLC146$6.55K<0.01%013F-HRTimeline
Farther Finance Advisors, LLC109$4.9K<0.01%-7713F-HRTimeline
SJS Investment Consulting Inc.109$4.89K<0.01%new13F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.91$4.09K<0.01%new13F-HRTimelineGroup
IFP Advisors, Inc87$3.91K<0.01%013F-HRTimeline
BARROW HANLEY MEWHINNEY & STRAUSS LLC80$3.59K<0.01%new13F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…80$3.59K<0.01%013F-HRTimelineGroup
Quarry LP61$2.74K<0.01%new13F-HRTimeline
UMB Bank, n.a.60$2.69K<0.01%+613F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
PICTON MAHONEY ASSET MANAGEMENT60$2.69K<0.01%new13F-HRTimeline
Dogwood Wealth Management LLC60$2.69K<0.01%new13F-HRTimeline
KELLEHER FINANCIAL ADVISORS56$2.52K<0.01%new13F-HRTimeline
Keating Financial Advisory Services, In…49$2.2K<0.01%013F-HRTimeline
Larson Financial Group LLC42$1.89K<0.01%new13F-HRTimeline
Cedar Mountain Advisors, LLC35$1.57K<0.01%013F-HRTimeline
Plante Moran Financial Advisors, LLC29$1.3K<0.01%new13F-HRTimeline
Capital Advisors, Ltd. LLC12$1K<0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC15$674<0.01%013F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…13$584<0.01%013F-HRTimelineGroup
HARBOUR INVESTMENTS, INC.7$331<0.01%new13F-HRTimeline