Koppers Holdings Inc. (KOP) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

19,166,667Shares Outstanding

572,994Shares held by institutions

$20,094,900Value of institutional holdings

98.98%Institutional ownership %

6.59%Shares Changed QoQ

181No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

According to SEC filings for the period ending December 2025, Koppers Holdings Inc. (NYSE:KOP) is held by 181 institutional firms.

The collective stake of institutional investors in Koppers Holdings moved to 99.0% in December 2025, a shift up from the 96.6% reported for September 2025.
Quarterly data indicates a 6.59% shift in institutional share volume, and the annual owner count reflects a decrease of 5.24%.
Among the 181 institutional holders of Koppers Holdings, 82 added to their stakes while 68 trimmed their positions and 31 held steady.
The aggregate institutional position in Koppers Holdings now stands at 18.97Mn shares as of December 2025, after investors increased their holdings (up by 1.17Mn shares quarter on quarter which is up 95.08K shares year over year).
BlackRock, Inc.'s holding of 3.70Mn shares as of December 31, 2025 makes it the primary institutional investor in Koppers Holdings, owning 19.32% of the stock.
Among the most significant buyers of Koppers Holdings during December 2025 were Simcoe Capital Management, LLC (813.59K), AMERICAN CENTURY COMPANIES INC (92.58K), SEIZERT CAPITAL PARTNERS, LLC (76.07K), JB CAPITAL PARTNERS LP (70.00K), INTECH INVESTMENT MANAGEMENT LLC (61.73K).
Leading sellers of Koppers Holdings stock in December 2025 included FULLER & THALER ASSET MANAGEMENT, INC. (95.89K), BRIDGEWAY CAPITAL MANAGEMENT, LLC (73.79K), FMR LLC (55.89K), HRT FINANCIAL LP (51.55K), PZENA INVESTMENT MANAGEMENT LLC (45.02K).
The top 10 institutional holders of Koppers Holdings for the quarter ending December 2025 included BlackRock, Inc. (3.70Mn), VANGUARD GROUP INC (1.54Mn), PZENA INVESTMENT MANAGEMENT LLC (1.20Mn), DIMENSIONAL FUND ADVISORS LP (1.17Mn), FULLER & THALER ASSET MANAGEMENT, INC. (1.01Mn), LSV ASSET MANAGEMENT (945.23K), Simcoe Capital Management, LLC (813.59K), STATE STREET CORP (764.32K), CHARLES SCHWAB INVESTMENT MANAGEMENT INC (568.41K), Quaker Capital Investments, LLC (474.87K).

181 Institutional Holders

572,994 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	3,703,517	56,477	1.55%	$100,291,240.00
VANGUARD GROUP INC	31 Dec, 2025	1,540,012	527	0.03%	$41,703,525.00
PZENA INVESTMENT MANAGEMENT LLC	31 Dec, 2025	1,204,252	-45,020	-3.60%	$32,611,144.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	1,173,525	-4,889	-0.41%	$31,779,388.00
FULLER & THALER ASSET MANAGEMENT, INC.	31 Dec, 2025	1,013,818	-95,886	-8.64%	$27,454,196.00
LSV ASSET MANAGEMENT	31 Dec, 2025	945,231	-9,200	-0.96%	$25,597.00
Simcoe Capital Management, LLC	31 Dec, 2025	813,590	813,590	0.00%	$22,032,017.00
STATE STREET CORP	31 Dec, 2025	764,324	-5,231	-0.68%	$20,697,894.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	568,413	22,114	4.05%	$15,392,624.00
Quaker Capital Investments, LLC	31 Dec, 2025	474,865	56,500	13.50%	$12,859,344.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	457,548	-8,283	-1.78%	$12,391,654.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	419,323	92,584	28.34%	$11,355,267.00
AMERIPRISE FINANCIAL INC	31 Dec, 2025	273,206	-7,499	-2.67%	$7,398,426.00
NORTHERN TRUST CORP	31 Dec, 2025	239,006	-12,947	-5.14%	$6,472,284.00
Dana Investment Advisors, Inc.	31 Dec, 2025	235,769	-301	-0.13%	$6,384,625.00
Bank of New York Mellon Corp	31 Dec, 2025	231,331	32,104	16.11%	$6,264,451.00
Russell Investments Group, Ltd.	31 Dec, 2025	210,209	30,270	16.82%	$5,692,464.00
MORGAN STANLEY	31 Dec, 2025	209,928	-10,235	-4.65%	$5,684,884.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	195,438	19,666	11.19%	$5,292,461.00
CSM Advisors, LLC	31 Dec, 2025	177,480	37,835	27.09%	$4,806.00

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