ALLIANCEBERNSTEIN L.P.

Position in KOP — Koppers Holdings Inc.

CIK 1109448 NASHVILLE, TN

Position in KOP

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$727,300

+$250,070 QoQ

Shares Held

18,803

+6.7% QoQ

Ownership

0.098%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

24 quarters on record

Voting authority Sole 89% Shared 0% None 11%

Basic Materials · as of Mar 31, 2026

ALLIANCEBERNSTEIN L.P. holds $2,872,392,189 across 43 Specialty Chemicals names. KOP ranks #34 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SHW	Sherwin Williams Co	3,574,736	$1,145,881,624
2	LIN	Linde PLC	1,370,157	$679,269,034
3	ECL	Ecolab Inc.	802,008	$213,350,167
4	ESI	Element Solutions Inc	5,053,752	$172,535,093
5	RPM	Rpm International Inc/De/	1,028,415	$102,224,451
6	AVNT	Avient Corp	2,668,960	$96,883,248
7	WDFC	Wd 40 Co	469,536	$95,757,171
8	ALB	Albemarle Corp	439,404	$78,886,200

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$727,300	18,803	+6.7%	Shares	Defined	2026-05-15
2025-12-31	$477,230	17,623	-15.4%	Shares	Defined	2026-02-17
2025-09-30	$583,604	20,843	-8.5%	Shares	Defined	2025-11-14
2025-06-30	$732,473	22,783	0.0%	Shares	Defined	2025-08-14
2025-03-31	$637,924	22,783	0.0%	Shares	Defined	2025-05-15
2024-12-31	$738,169	22,783	0.0%	Shares	Defined	2025-02-12
2024-09-30	$832,262	22,783	-1.0%	Shares	Defined	2024-11-14
2024-06-30	$851,287	23,014	0.0%	Shares	Defined	2024-08-14
2024-03-31	$1,269,682	23,014	+32.5%	Shares	Defined	2024-05-14
2023-12-31	$889,384	17,364	+1.3%	Shares	Defined	2024-02-14
2023-09-30	$677,610	17,133	+91.8%	Shares	Defined	2023-11-14
2023-06-30	$304,615	8,933	+25.6%	Shares	Defined	2023-08-15
2023-03-31	$248,741	7,113	-31.2%	Shares	Defined	2023-05-15
2022-12-31	$291,362	10,332	+8.5%	Shares	Defined	2023-02-15
2022-06-30	$215,578	9,522	-57.4%	Shares	Defined	2022-08-15
2022-03-31	$614,769	22,339	+96.8%	Shares	Defined	2022-05-13
2021-12-31	$355,286	11,351	+0.6%	Shares	Defined	2022-02-14
2021-09-30	$352,706	11,283	-16.8%	Shares	Defined	2021-11-10
2021-06-30	$438,763	13,563	-11.7%	Shares	Defined	2021-07-30
2021-03-31	$534,017	15,363	-38.4%	Shares	Defined	2021-05-06
2020-12-31	$776,756	24,928	-11.4%	Shares	Defined	2021-02-08
2020-09-30	$588,261	28,133	-8.8%	Shares	Defined	2020-11-12
2020-06-30	$581,270	30,853	+7.6%	Shares	Defined	2020-08-13
2020-03-31	$354,561	28,663	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.