Company · Ownership research

NEWMARKET CORP NEU

CIK 0001282637 · CUSIP 651587107

Insider trading Initial holdings Institutional holders

Quarter-end disclosures, not live holdings.

Several CUSIPs are reported for this company; this page shows CUSIP 651587107 (NEU), not CUSIP 651587907 (NEU), and does not merge CUSIPs.

This page lists the top 20 of 417 rows by value; the complete set is available through the API.

Some filings reported values in thousands; those figures were scaled ×1,000 to dollars.

Top 20 institutions

Weight means this stock's share of the manager's own portfolio.

By reported value

#	Manager	Value	Manager weight	Change vs prior	Source
01	BANK OF AMERICA CORP /DE/ CIK 70858 · View history	$665.88M 968,892 shares	0.05%	-28.22K(-2.80%)Reduced	SEC filing ↗ Feb 17, 2026	▾
02	VANGUARD GROUP INC CIK 102909 · View history	$569.60M 828,798 shares	0.01%	+15.81K(+1.90%)Added	SEC filing ↗ Jan 29, 2026	▾
03	BlackRock, Inc. CIK 2012383 · View history	$453.65M 660,091 shares	0.01%	-1.97K(-0.30%)Reduced	SEC filing ↗ Feb 12, 2026	▾
04	LONDON CO OF VIRGINIA CIK 1259887 · View history	$338.71M 492,820 shares	1.95%	-36.51K(-6.90%)Reduced	SEC filing ↗ Feb 17, 2026	▾
05	LSV ASSET MANAGEMENT CIK 1050470 · View history	$184.07M 267,836 shares	0.40%	-596(-0.20%)Reduced	SEC filing ↗ Feb 6, 2026	▾
06	STATE STREET CORP CIK 93751 · View history	$159.40M 230,958 shares	0.01%	-4.76K(-2.00%)Reduced	SEC filing ↗ Feb 13, 2026	▾
07	DIMENSIONAL FUND ADVISORS LP CIK 354204 · View history	$125.32M 182,335 shares	0.03%	+2.63K(+1.50%)Added	SEC filing ↗ Feb 12, 2026	▾
08	GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history	$120.74M 175,649 shares	0.01%	+8.98K(+5.40%)Added	SEC filing ↗ Feb 9, 2026	▾
09	AMERICAN CENTURY COMPANIES INC CIK 748054 · View history	$87.54M 127,369 shares	0.04%	-1.56K(-1.20%)Reduced	SEC filing ↗ Feb 13, 2026	▾
10	AQR CAPITAL MANAGEMENT LLC CIK 1167557 · View history	$87.23M 126,931 shares	0.05%	-11.01K(-8.00%)Reduced	SEC filing ↗ Feb 17, 2026	▾
11	Caisse de depot et placement du Quebec CIK 898286 · View history	$79.72M 116,002 shares	0.14%	+16.75K(+16.90%)Added	SEC filing ↗ Feb 17, 2026	▾
12	CHARLES SCHWAB INVESTMENT MANAGEMENT INC CIK 884546 · View history	$65.86M 95,829 shares	0.01%	-4.00K(-4.00%)Reduced	SEC filing ↗ Feb 13, 2026	▾
13	NORGES BANK CIK 1374170 · View history	$64.65M 94,075 shares	0.01%	+94.08KNew	SEC filing ↗ Feb 10, 2026	▾
14	Bank of New York Mellon Corp CIK 1390777 · View history	$59.66M 86,815 shares	0.01%	-9.46K(-9.80%)Reduced	SEC filing ↗ Feb 10, 2026	▾
15	NORTHERN TRUST CORP CIK 73124 · View history	$55.27M 80,428 shares	0.01%	+725(+0.90%)Added	SEC filing ↗ Feb 17, 2026	▾
16	MORGAN STANLEY CIK 895421 · Amended · View history	$55.11M 80,182 shares	0.00%	-824(-1.00%)Reduced	SEC filing ↗ May 27, 2026	▾
17	FIRST TRUST ADVISORS LP CIK 1125816 · View history	$53.09M 77,245 shares	0.04%	+97(+0.10%)Added	SEC filing ↗ Feb 13, 2026	▾
18	Invesco Ltd. CIK 914208 · Amended · View history	$51.89M 75,496 shares	0.00%	+7.86K(+11.60%)Added	SEC filing ↗ Feb 19, 2026	▾
19	PRICE T ROWE ASSOCIATES INC /MD/ CIK 80255 · View history	$46.38M 67,487 shares	0.01%	+1.29K(+2.00%)Added	SEC filing ↗ Feb 17, 2026	▾
20	Gotham Asset Management, LLC CIK 1510387 · View history	$40.96M 59,599 shares	0.15%	+14.99K(+33.60%)Added	SEC filing ↗ Feb 17, 2026	▾

Showing 20 / 417 institutions. The complete set is available through the API.

Coverage & totals by quarter

Reporting institutions

417

Cancelled or null records excluded

Disclosed shares

6,270,809

Not deduplicated across managers

Disclosed value

$4.31B

Not market cap or free float

Reporting institutions by quarter

Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.

NEWMARKET CORP · Q4 2025

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This page includes 20 of 417 reporting institutions. Log in to look up the full history beyond 3 years, use advanced screening & filtering, download CSV, and get the complete set through the Akkru API.

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Sources, coverage & how to read this data

Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.