Stock ownership · SEC 13F · Q4 2025

NEWMARKET CORP

Who owns NEWMARKET CORP (CUSIP 651587107)? A look at the institutions behind it, how tightly they hold it, and the latest quarter's moves.

$21.3M
Reported value
3
Institutions
100%
Top-5 share

The verdict

As of Q4 2025, 3 institutions report $21.3M in NEWMARKET CORP positions, ownership that is dominated by its top few institutional owners.

3
institutions hold it
$21.3M
reported 13F value
100%
held by top 5

Based on long positions reported to the SEC as of Q4 2025; 13F omits shorts, options and non-US holdings.

How 13F ownership is computed · All tracked stocks · Concentration rankings

SEC Form 13F-HR ownership desk

CUSIP 651587107 · Q4 2025 $21M reported

VALUE-TRACE · HOLDERS-FOCUS · CONC-DOM · PHOTO-UNK · ACTIVITY-LIGHT · BOOK-FULL

  • VALUE-TRACE $21.3M
  • HOLDERS-FOCUS 3 filers
  • CONC-DOM 100% top-5
  • PHOTO-UNK No peer
  • ACTIVITY-LIGHT 2 new
  • BOOK-FULL 8Q history

Read with: Ownership concentration guide - NEWMARKET CORP's top-five holders account for 100% of reported value — read concentration before treating any single filer as a signal.

Largest institutional holders of NEWMARKET CORP
  1. 1
  2. 2
  3. 3

Top 3 reported holders by value · Q4 2025

Institutional ownership over time

The number of institutions reporting a NEWMARKET CORP position has risen from 2 to 3 over the last 8 quarters of 13F filings.

0123456 Q1'24Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25 3
Distinct 13F filers holding NEWMARKET CORP, by quarter

Top Institutional Holders

# Institution Shares Value Share of reported
1 Pacer Advisors, Inc. 30,636 $21.1M 98.8%
2 DGS Capital Management, LLC 352 $242K 1.1%
3 Bell Investment Advisors, Inc 18 $12K 0.1%

Investment Discretion

SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among NEWMARKET CORP's reported holders for Q4 2025, by reported value:

Sole discretion (SOLE)
100.0%

Latest Quarter Activity · Q4 2025

Frequently Asked Questions

How many institutions hold NEWMARKET CORP?
NEWMARKET CORP is held by 3 institutional investors per the latest SEC Form 13F filings as of Q4 2025.
What is the total institutional value of NEWMARKET CORP?
Institutions report $21.3M of NEWMARKET CORP as of Q4 2025.
How concentrated is ownership of NEWMARKET CORP?
The top five institutional holders account for 100% of the reported institutional value in NEWMARKET CORP, making ownership dominated by its top few institutional owners.
Who is the largest institutional holder of NEWMARKET CORP?
Pacer Advisors, Inc. is the largest reported holder of NEWMARKET CORP with $21.1M across 30,636 shares as of Q4 2025.

Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q4 2025 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Short positions and most derivatives are not disclosed.

PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Holder lists, concentration, and reported value on this page are aggregated live from those 13F-HR extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-16.