Koppers (KOP) Institutional Ownership

$46.61 +0.29 (+0.63%)

As of 08/28/2026 03:57 PM Eastern

Current Institutional Ownership Percentage: 92.75%
Number of Institutional Buyers (last 12 months): 97
Total Institutional Inflows (last 12 months): $334.20M

Number of Institutional Sellers (last 12 months): 62
Total Institutional Outflows (last 12 months): $54.58M

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KOP Institutional Buying and Selling by Quarter

Koppers Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
8/25/2026	VIRGINIA RETIREMENT SYSTEMS ET Al	9,900	$445K	0.0%	N/A	0.052%
8/24/2026	California State Teachers Retirement System	896,878	$40.27M	0.0%	+4,694.1%	4.743%
8/21/2026	Nykredit A S	688	$31K	0.0%	N/A	0.004%
8/19/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	50,668	$2.28M	0.0%	-14.0%	0.268%
8/19/2026	Hsbc Holdings PLC	11,095	$504K	0.0%	+30.9%	0.059%
8/18/2026	Empowered Funds LLC	102,787	$4.62M	0.0%	N/A	0.544%
8/18/2026	Public Employees Retirement System of Ohio	1,120	$50K	0.0%	N/A	0.006%
8/17/2026	Bank of America Corp DE	117,916	$5.29M	0.0%	N/A	0.623%
8/15/2026	Jupiter Topco LLC	9,208	$413K	0.0%	N/A	0.049%
8/14/2026	Hsbc Holdings PLC	11,095	$504K	0.0%	N/A	0.059%
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8/14/2026	PDT Partners LLC	9,583	$430K	0.0%	N/A	0.051%
8/14/2026	Legal & General Group Plc	39,723	$1.78M	0.0%	N/A	0.210%
8/14/2026	The Manufacturers Life Insurance Company	4,812	$216K	0.0%	N/A	0.025%
8/13/2026	D.B. Root & Company LLC	5,705	$256K	0.1%	N/A	0.030%
8/13/2026	Globeflex Capital L P	27,190	$1.22M	0.2%	N/A	0.144%
8/12/2026	EP Wealth Advisors LLC	9,810	$440K	0.0%	N/A	0.052%
8/12/2026	JB Capital Partners LP	78,101	$3.51M	0.0%	N/A	0.413%
8/10/2026	Denali Advisors LLC	96,092	$4.32M	0.4%	+74.8%	0.508%
8/7/2026	Pzena Investment Management LLC	1,061,285	$47.65M	0.1%	N/A	5.519%
8/7/2026	BlackRock Inc.	3,047,603	$136.84M	0.0%	N/A	15.848%
8/7/2026	Deutsche Bank AG	17,582	$789K	0.0%	N/A	0.091%
8/6/2026	Bank of New York Mellon Corp	222,570	$9.99M	0.0%	N/A	1.157%
8/6/2026	State of Wyoming	8,550	$384K	0.0%	N/A	0.044%
8/1/2026	Mirabella Financial Services LLP	4,768	$214K	0.0%	N/A	0.025%
7/30/2026	Assetmark Inc.	679	$30K	0.0%	N/A	0.004%
7/29/2026	Swiss Life Asset Management Ltd	4,942	$222K	0.0%	N/A	0.026%
5/19/2026	Bank of America Corp DE	128,948	$4.99M	0.0%	+27.0%	0.671%
5/18/2026	Royal Bank of Canada	2,485	$96K	0.0%	-91.2%	0.013%
5/18/2026	Empowered Funds LLC	96,573	$3.74M	0.0%	+8.3%	0.502%
5/16/2026	The Manufacturers Life Insurance Company	5,180	$200K	0.0%	N/A	0.027%
5/16/2026	Quantinno Capital Management LP	19,839	$767K	0.0%	+25.1%	0.103%
5/16/2026	Lazard Asset Management LLC	21,395	$828K	0.0%	-72.9%	0.111%
5/14/2026	Renaissance Technologies LLC	5,500	$213K	0.0%	-30.4%	0.029%
5/14/2026	Gamco Investors INC. ET AL	28,814	$1.12M	0.0%	-6.2%	0.150%
5/14/2026	Public Employees Retirement System of Ohio	2,575	$100K	0.0%	-65.7%	0.013%
5/14/2026	Arrowstreet Capital Limited Partnership	162,072	$6.27M	0.0%	N/A	0.843%
5/14/2026	Sei Investments Co.	69,979	$2.71M	0.0%	+87.5%	0.364%
5/14/2026	State of Wyoming	6,704	$259K	0.0%	-52.9%	0.035%
5/13/2026	First Trust Advisors LP	64,141	$2.48M	0.0%	+2.9%	0.334%
5/7/2026	Dimensional Fund Advisors LP	1,191,358	$46.08M	0.0%	+1.5%	6.160%
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5/6/2026	Allspring Global Investments Holdings LLC	13,694	$530K	0.0%	+11.5%	0.071%
5/5/2026	Kestrel Investment Management Corp	83,450	$3.23M	1.9%	-0.4%	0.431%
5/5/2026	Bank of New York Mellon Corp	224,256	$8.67M	0.0%	-3.1%	1.160%
5/5/2026	Illinois Municipal Retirement Fund	10,201	$395K	0.0%	-8.1%	0.053%
5/4/2026	Principal Financial Group Inc.	135,586	$5.24M	0.0%	+16.4%	0.701%
5/4/2026	J. Safra Sarasin Holding AG	10,255	$397K	0.0%	N/A	0.053%
5/1/2026	Fifth Third Bancorp	15,933	$616K	0.0%	+7,175.3%	0.082%
4/30/2026	Hsbc Holdings PLC	8,477	$323K	0.0%	N/A	0.044%
4/30/2026	Waterfront Wealth Inc.	41,495	$1.61M	0.3%	-22.0%	0.215%
4/30/2026	Kestra Advisory Services LLC	5,297	$205K	0.0%	+25.3%	0.027%
4/28/2026	DGS Capital Management LLC	8,343	$323K	0.1%	N/A	0.043%
4/27/2026	New York State Teachers Retirement System	3,017	$117K	0.0%	-90.0%	0.016%
4/25/2026	Pzena Investment Management LLC	1,209,376	$46.78M	0.2%	+0.4%	6.253%
4/22/2026	Skylands Capital LLC	21,050	$814K	0.1%	-73.9%	0.109%
4/22/2026	Janney Montgomery Scott LLC	8,992	$348K	0.0%	N/A	0.046%
4/21/2026	Louisiana State Employees Retirement System	8,700	$337K	0.0%	N/A	0.045%
4/16/2026	SG Americas Securities LLC	4,246	$164K	0.0%	N/A	0.022%
3/9/2026	EMC Capital Management	3,080	$83K	0.0%	-15.0%	0.016%
2/18/2026	State of Tennessee Department of Treasury	15,256	$449K	0.0%	+37.0%	0.078%
2/18/2026	Fuller & Thaler Asset Management Inc.	1,013,818	$27.45M	0.1%	-8.6%	5.169%
2/18/2026	Empowered Funds LLC	89,175	$2.42M	0.0%	-24.1%	0.455%
2/18/2026	XTX Topco Ltd	24,255	$657K	0.0%	N/A	0.124%
2/18/2026	Numerai GP LLC	17,996	$487K	0.1%	N/A	0.092%
2/18/2026	Millennium Management LLC	29,559	$800K	0.0%	-59.6%	0.151%
2/18/2026	Engineers Gate Manager LP	48,228	$1.31M	0.0%	+0.7%	0.246%
2/18/2026	Bridgeway Capital Management LLC	140,128	$3.80M	0.1%	-34.5%	0.714%
2/17/2026	Guggenheim Capital LLC	20,959	$568K	0.0%	N/A	0.107%
2/17/2026	PDT Partners LLC	13,383	$362K	0.0%	-50.0%	0.068%
2/17/2026	AQR Capital Management LLC	94,986	$2.57M	0.0%	-4.5%	0.484%
2/17/2026	Lazard Asset Management LLC	79,029	$2.14M	0.0%	+294.2%	0.403%
2/17/2026	Trexquant Investment LP	35,947	$973K	0.0%	-49.7%	0.183%
2/17/2026	Jump Financial LLC	11,907	$322K	0.0%	-59.3%	0.061%
2/17/2026	Public Employees Retirement System of Ohio	7,515	$204K	0.0%	-21.8%	0.038%
2/17/2026	Russell Investments Group Ltd.	210,209	$5.69M	0.0%	+16.8%	1.072%
2/17/2026	State of Wisconsin Investment Board	17,418	$472K	0.0%	-57.1%	0.089%
2/17/2026	ExodusPoint Capital Management LP	42,553	$1.15M	0.0%	+357.7%	0.217%
2/17/2026	Royal Bank of Canada	28,309	$767K	0.0%	-58.9%	0.144%
2/17/2026	Mangrove Partners IM LLC	22,732	$616K	0.1%	N/A	0.116%
2/16/2026	Squarepoint Ops LLC	48,470	$1.31M	0.0%	-46.2%	0.247%
2/16/2026	Verition Fund Management LLC	16,470	$446K	0.0%	+4.0%	0.084%
2/16/2026	Mariner LLC	24,016	$650K	0.0%	+13.4%	0.122%
2/16/2026	Barclays PLC	35,939	$973K	0.0%	+20.8%	0.183%
2/16/2026	Bristlecone Value Partners LLC	10,650	$288K	0.3%	N/A	0.054%
2/13/2026	Kestra Advisory Services LLC	4,227	$114K	0.0%	N/A	0.022%
2/13/2026	Simcoe Capital Management LLC	813,590	$22.03M	3.9%	N/A	4.149%
2/13/2026	Quaker Capital Investments LLC	474,865	$12.86M	3.3%	+13.5%	2.422%
2/13/2026	Jacobs Levy Equity Management Inc.	59,093	$1.60M	0.0%	-33.1%	0.301%
2/13/2026	Public Sector Pension Investment Board	67,865	$1.84M	0.0%	-11.7%	0.346%
2/13/2026	First Trust Advisors LP	62,361	$1.69M	0.0%	+0.9%	0.318%
2/13/2026	Charles Schwab Investment Management Inc.	568,413	$15.39M	0.0%	+4.0%	2.899%
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2/13/2026	State Street Corp	764,324	$20.70M	0.0%	-0.7%	3.898%
2/13/2026	Boston Partners	22,080	$598K	0.0%	+4.4%	0.113%
2/13/2026	Dynamic Technology Lab Private Ltd	29,423	$797K	0.2%	+1.1%	0.150%
2/13/2026	Wells Fargo & Company MN	21,383	$579K	0.0%	+39.9%	0.109%
2/13/2026	JB Capital Partners LP	70,000	$1.90M	0.3%	N/A	0.357%
2/12/2026	HRT Financial LP	44,528	$1.21M	0.0%	-53.7%	0.227%
2/12/2026	Renaissance Technologies LLC	7,900	$214K	0.0%	-71.1%	0.040%
2/12/2026	Dimensional Fund Advisors LP	1,173,525	$31.78M	0.0%	-0.4%	5.984%
2/12/2026	EntryPoint Capital LLC	24,716	$669K	0.3%	-4.6%	0.126%
2/12/2026	Federated Hermes Inc.	68,127	$1.85M	0.0%	+3.7%	0.347%

KOP Institutional Ownership - Frequently Asked Questions

During the previous two years, 191 institutional investors and hedge funds held shares of Koppers. The most heavily invested institutionals were BlackRock Inc. ($136.84M), Pzena Investment Management LLC ($47.65M), Dimensional Fund Advisors LP ($46.08M), Vanguard Group Inc. ($43.11M), California State Teachers Retirement System ($40.27M), Fuller & Thaler Asset Management Inc. ($27.45M), and LSV Asset Management ($25.60M).Learn more on Koppers' institutional investors.

92.75% of Koppers' stock is owned by institutional investors. Learn more on KOP's institutional investor holdings.

Of the 163 institutional investors that purchased Koppers' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($3.05M), Pzena Investment Management LLC ($1.91M), California State Teachers Retirement System ($878.17K), Simcoe Capital Management LLC ($813.59K), LSV Asset Management ($323.88K), Bank of New York Mellon Corp ($229.75K), and Principal Financial Group Inc. ($214.29K).

Institutional investors have bought a total of 8,379,856 shares in the last 24 months. This purchase volume represents approximately $334.20M in transactions.

Of the 62 institutional investors that sold Koppers' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Vanguard Group Inc. ($355.73K), Millennium Management LLC ($271.27K), Fuller & Thaler Asset Management Inc. ($191.77K), Kennedy Capital Management LLC ($86.54K), Bridgeway Capital Management LLC ($84.54K), Royal Bank of Canada ($66.31K), and Skylands Capital LLC ($59.70K).

Institutional investors have sold a total of 1,889,221 shares in the last 24 months. This volume of shares sold represents approximately $54.58M in transactions.

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Institutional ownership data for NYSE:KOP is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/25/2026. New 13F filings are added each quarter as they're published.

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Koppers (KOP) Institutional Ownership

KOP Institutional Buying and Selling by Quarter

Koppers Major Shareholders & Ownership History

KOP Institutional Ownership - Frequently Asked Questions

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Koppers (KOP) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Koppers (NYSE:KOP)

KOP Institutional Buying and Selling by Quarter

Koppers Major Shareholders & Ownership History

KOP Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of KOP shares?

What percentage of Koppers' stock is owned by institutional investors?

Which institutional investors have been buying Koppers' stock?

How much institutional buying is happening at Koppers?

Which of Koppers' major shareholders have been selling company stock?

How much institutional selling is happening at Koppers?

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