AMERICAN CENTURY COMPANIES INC

Position in NEU — Newmarket Corp

CIK 748054 KANSAS CITY, MO

Position in NEU

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

Position Value

$108,092,371

+$20,556,753 QoQ

Shares Held

168,644

+32.4% QoQ

Ownership

1.83%

of shares outstanding

% of Portfolio

0.06%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

22 quarters on record

Voting authority Sole 97.42534569863143.ToString("F0")% Shared 2.574654301368563.ToString("F0")% None 0.ToString("F0")%

Basic Materials · as of Mar 31, 2026

AMERICAN CENTURY COMPANIES INC holds $1,938,605,456 across 45 Specialty Chemicals names. NEU ranks #5 (5.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ECL	Ecolab Inc.	1,182,558	$314,584,079
2	LIN	Linde PLC	517,253	$256,433,347
3	CBT	Cabot Corp	2,237,491	$168,505,447
4	PPG	Ppg Industries Inc	1,432,320	$153,086,361
5	NEU	Newmarket Corp This page	168,644	$108,092,371
6	NGVT	Ingevity Corp	1,432,566	$102,041,676
7	SHW	Sherwin Williams Co	312,732	$100,246,242
8	ESI	Element Solutions Inc	2,891,000	$98,698,740

22 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$108,092,371	168,644	+32.4%	Shares	Defined	2026-05-15
2025-12-31	$87,535,618	127,369	-1.2%	Shares	Defined	2026-02-13
2025-09-30	$106,783,599	128,933	+13.3%	Shares	Defined	2025-11-12
2025-06-30	$78,588,088	113,754	+8.2%	Shares	Defined	2025-08-12
2025-03-31	$59,545,224	105,120	+120.3%	Shares	Defined	2025-05-13
2024-12-31	$25,211,276	47,717	+147.2%	Shares	Defined	2025-02-11
2024-09-30	$10,651,477	19,300	-0.5%	Shares	Defined	2024-11-12
2024-06-30	$10,003,604	19,403	+2.3%	Shares	Defined	2024-08-07
2024-03-31	$12,040,010	18,972	+151.5%	Shares	Defined	2024-05-14
2023-12-31	$4,117,741	7,544	+161.2%	Shares	Defined	2024-02-13
2023-06-30	$1,161,322	2,888	+21.2%	Shares	Defined	2023-08-14
2023-03-31	$869,382	2,382	+16.3%	Shares	Defined	2023-05-11
2022-12-31	$637,153	2,048	-83.8%	Shares	Defined	2023-02-13
2022-09-30	$3,792,864	12,608	-33.4%	Shares	Defined	2022-11-14
2022-06-30	$5,699,279	18,937	-10.4%	Shares	Defined	2022-08-12
2022-03-31	$6,858,690	21,144	+28.8%	Shares	Defined	2022-05-11
2021-12-31	$5,624,377	16,411	+124.0%	Shares	Defined	2022-02-07
2021-09-30	$2,481,490	7,325	+91.1%	Shares	Defined	2021-11-10
2021-06-30	$1,234,149	3,833	+63.2%	Shares	Defined	2021-08-05
2021-03-31	$892,995	2,349	+38.1%	Shares	Defined	2021-05-14
2020-12-31	$677,491	1,701	-86.1%	Shares	Defined	2021-02-12
2020-06-30	$4,885,856	12,200	—	Shares	Defined	2020-08-13
No filing history on record for this holder in this stock.