Koppers Holdings KOP Institutional Ownership

NYSE KOP

$40.98 -0.36 (-0.87%)

As of: Oct 22, 2026 · 9:46 AM EDT

Institutions by Trading Activity

219 Institutions

Increased 108 49.3%

Unchanged 45 20.5%

Reduced 66 30.1%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

—

13F totals exceed reported shares outstanding

Shares Held by Institutions

19.41Mn

of 19.13Mn outstanding

▲+1.66% QoQ

Shares Outstanding

19.13Mn

Institutional Investors

219

filed 13F for Jun 2026

▲+15 vs prior quarter

Net Shares Added (QoQ)

+317.22K

accumulated since last quarter

Value of Holdings

$808.06Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Koppers Holdings Inc. (NYSE:KOP) appeared in the 13F filings of 219 institutional investors for the quarter ended June 30, 2026.

Total shares held in KOP rose 1.66% from Q1 2026; the number of holders rose 8.42% from Q2 2025.
Among the 219 holders of Koppers Holdings, 108 added to their positions, 66 reduced their stakes and 45 left their positions unchanged.
Combined, institutional investors held 19.41Mn shares of KOP as of Q2 2026, up 317.22K from the prior quarter and up 1.02Mn from a year earlier.
As of June 30, 2026, BlackRock, Inc. held the largest stake in Koppers Holdings with 3.05Mn shares.
Among existing holders, the largest additions to Koppers Holdings in Q2 2026 came from Simcoe Capital Management, LLC (+471.73K shares), American Century Companies Inc (+313.07K shares), Invesco Ltd. (+147.02K shares), State Street Corp (+52.29K shares) and Dimensional Fund Advisors LP (+45.89K shares).
On the other side, among holders that kept a position in Koppers Holdings, the largest reductions in Q2 2026 came from Two Sigma Investments, LP (-151.48K shares), Pzena Investment Management LLC (-148.09K shares), Charles Schwab Investment Management Inc (-93.76K shares), Jane Street Group, LLC (-92.94K shares) and HRT Financial LP (-73.31K shares).
According to Business Quant data, the leading holders of KOP for Q2 2026 were BlackRock, Inc. (3.05Mn shares), Simcoe Capital Management, LLC (1.42Mn shares), Dimensional Fund Advisors LP (1.24Mn shares), Pzena Investment Management LLC (1.06Mn shares), Fuller & Thaler Asset Management, Inc. (943.28K shares), LSV Asset Management (941.88K shares), American Century Companies Inc (848.07K shares), Vanguard Capital Management LLC (812.63K shares), State Street Corp (804.55K shares) and Vanguard Portfolio Management LLC (539.05K shares).

Form 13F Holdings

219 Institutional Holders

Report period 30 Jun, 2026

Total shares held 19.41Mn

Of outstanding —

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	3,047,603	15.93%	▲2,491	+0.08%	$136.84Mn
2	Simcoe Capital Management, LLC	0001633362	1,416,160	7.40%	▲471,730	+49.95%	$63.59Mn
3	DIMENSIONAL FUND ADVISORS LP	0000354204	1,237,249	6.47%	▲45,891	+3.85%	$55.55Mn
4	PZENA INVESTMENT MANAGEMENT LLC	0001027796	1,061,285	5.55%	▼148,091	-12.25%	$47.65Mn
5	FULLER & THALER ASSET MANAGEMENT, INC.	0001082327	943,279	4.93%	▼35,311	-3.61%	$42.35Mn
6	LSV ASSET MANAGEMENT	0001050470	941,881	4.92%	▲15,850	+1.71%	$42.29K
7	AMERICAN CENTURY COMPANIES INC	0000748054	848,068	4.43%	▲313,066	+58.52%	$38.08Mn
8	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	812,629	4.25%	▼27,817	-3.31%	$36.49Mn
9	State Street Corp	0000093751	804,553	4.21%	▲52,289	+6.95%	$36.12Mn
10	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	539,047	2.82%	▲8,515	+1.60%	$24.20Mn
11	GEODE CAPITAL MANAGEMENT, LLC	0001214717	483,417	2.53%	▲15,808	+3.38%	$21.71Mn
12	Quaker Capital Investments, LLC	0001633648	408,555	2.14%	▼49,297	-10.77%	$18.34Mn
13	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	384,122	2.01%	▼93,756	-19.62%	$17.25Mn
14	Invesco Ltd.	0000914208	332,605	1.74%	▲147,019	+79.22%	$14.93Mn
15	Ameriprise Financial Inc	0000820027	285,656	1.49%	▲23,868	+9.12%	$12.83Mn
16	TWO SIGMA INVESTMENTS, LP	0001179392	266,052	1.39%	▼151,484	-36.28%	$11.95Mn
17	Northern Trust Corp	0000073124	253,481	1.33%	▲8,318	+3.39%	$11.38Mn
18	Morgan Stanley	0000895421	242,924	1.27%	▲21,388	+9.65%	$10.91Mn
19	Dana Investment Advisors, Inc.	0001427514	231,399	1.21%	▼3,836	-1.63%	$10.39Mn
20	Bank of New York Mellon Corp	0001390777	222,570	1.16%	▼1,686	-0.75%	$9.99Mn

Showing 1 to 20 of 219 holders