What is the 13F Pro Quality Score for NEU?

13F Pro ranks NEWMARKET CORP (NEU) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View NEU's current score at https://13fpro.ai/company/NEU (free sign-up required for the full ranking).

Which hedge funds own the most NEU stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of NEU include BlackRock,, LONDON CO OF VIRGINIA, VANGUARD PORTFOLIO MANAGEMENT. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/company/NEU as soon as new 13F filings post.

Where does 13F Pro source NEU data?

All NEWMARKET CORP fundamentals and ownership data come directly from SEC EDGAR. NEWMARKET CORP files with the SEC under CIK 1282637. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is NEU in?

NEWMARKET CORP (NEU) is classified in the Materials sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/materials.

What drives NEU's revenue?

Per NEWMARKET CORP's latest 10-Q filed with the SEC on 2026-07-30, the biggest revenue drivers are: Petroleum additives ($675.6M, +3.3% YoY); Specialty materials ($67.2M); All other ($4.3M). Figures are extracted from the filing text and machine-verified against the document. Full breakdown at https://13fpro.ai/company/NEU.

What are NEU's largest expenses?

NEWMARKET CORP's latest 10-Q reports these as the largest expense items: Cost of goods sold ($504.7M); Selling, general, and administrative expenses ($48.4M); Research, development, and testing expenses ($30.4M, -$2.0M YoY). Sourced directly from SEC EDGAR filing text for Q2 FY2026 (quarter ended June 30, 2026).

How often is NEU research updated on 13F Pro?

NEU's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

NEWMARKET CORP(NEU)Stock Analysis

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Materials →NYSEmid

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SEC EDGAR: CIK 1282637 NEU stock profile & AI dashboard →

13F Pro Quality Score

59.9/100

Rank #900 of 2,961 stocksTOP 50%

View Materials peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Nov 14, 2026.

Revenue Growth

23.5/100

Profitability

71.9/100

Balance Sheet

90.0/100

Earnings Quality

52.9/100

Free Cash Flow

69.0/100

Institutional Flow

55.2/100

Revenue Scale

68.1/100

Dilution Risk

94.7/100

Email me the moment this company reports earnings

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Why NEU Scores 60/100

exact factor attribution · 2026-09-11

NEU's composite is driven by capital efficiency and profitability, held back by revenue growth. Bars show each factor's exact push vs. a median company, using the same weights the ranking engine applies.

Capital efficiency

+4.0 pts

90th pct

Profitability

+3.3 pts

72th pct

Free cash flow

+2.9 pts

69th pct

Scale

+2.7 pts

68th pct

Shareholder dilution

+2.2 pts

95th pct

Earnings quality

+0.3 pts

53th pct

Institutional flow

+0.3 pts

55th pct

Earnings growth

-0.5 pts

41th pct

Revenue growth

-5.3 pts

24th pct

Factor percentiles are cross-sectional ranks across the ~2,800-stock scored universe, computed from SEC EDGAR filings. Not investment advice.

NEU Stock Analysis & AI Quality Score

Data updated 2026-09-11

AI stock analysis and institutional research for NEWMARKET CORP (NEU), a Materials sector company. 13F Pro's AI-powered ranking engine scores NEU at 59.9/100 on a 32-signal composite quality model, placing it at rank #900 of 2,961 stocks — the top half of the AI-ranked universe. NEU scores in the top quartile across balance sheet strength (90.0). Areas of concern include revenue growth (23.5), which score below median versus the broader universe. Based on the latest XBRL financial filings (Q2 2026), NEWMARKET CORP reports quarterly revenue of $747.1M, net income of $133.8M, an operating margin of 21.9%. Top institutional holders of NEU by reported 13-F value include BlackRock, LONDON OF VIRGINIA, VANGUARD PORTFOLIO MANAGEMENT, based on the most recent SEC filings. NEU trades on the NYSE exchange and files with the SEC under CIK 1282637. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate NEU daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for NEWMARKET CORP directly from SEC EDGAR. NEWMARKET CORP's 13F Pro composite quality score has ranged between 50 and 73 since 2021, currently 59.9 — a stable long-term trajectory across 68 quarterly and live scoring snapshots.

✦

Fun facts about NEWMARKET CORP

Quirks, history, and lore behind NEU — the kind of stuff that makes a stock memorable.

1
The Basics
U.S. specialty chemicals company · small-cap · listed on NYSE · headquartered in Pennsylvania.
2
The Numbers
Annual revenue in the low hundreds of millions of dollars, with a focus on high-margin niche products rather than commodity volumes.
3
The History
The company traces its roots back to the early 20th century and has long specialized in chemicals derived from petroleum byproducts and related feedstocks.
4
The Secret
Its core products — antioxidants and stabilizers — are invisible to consumers but critical for keeping rubber, plastics, and lubricants from degrading.
5
The Lore
It holds a commanding position in the market for antidegradant chemicals used in tires — meaning every time you drive, you're probably riding on its work without knowing it.
6
The Giveaway
Ticker NEU, headquartered in Conshohocken, Pennsylvania — the quiet king of rubber and polymer protection chemistry that keeps the wheels of industry literally turning.

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What's Driving NEU's Business? Latest 10-Q Breakdown

✓ 14/14 datapoints verified

AI-extracted from NEWMARKET CORP's 10-Q filed 2026-07-30 — Q2 FY2026 (quarter ended June 30, 2026). Every figure is machine-verified against the filing text on SEC EDGAR.

Consolidated net sales rose 7.0% YoY to $747.1M as petroleum additives price surcharges and a rebound in specialty materials (boosted by the Calca acquisition) offset a 3.8% drop in petroleum additives shipment volumes.

Biggest Revenue Drivers

Petroleum additives$675.6M+3.3% YoY

Higher selling prices, including surcharges implemented in response to higher supply-chain costs from the Middle East conflict, partially offset by lower product shipments

Specialty materials$67.2M

Higher selling prices from favorable product mix plus the inclusion of Calca's net sales following its October 1, 2025 acquisition

Biggest Revenue Drivers

Total revenue: $747.1M+7.0% YoY

Petroleum additives$675.6M+3.3% YoY

Higher selling prices, including surcharges implemented in response to higher supply-chain costs from the Middle East conflict, partially offset by lower product shipments

Within Petroleum additives

Lubricant additives$584.0M

Component of petroleum additives; higher selling prices partially offset by lower shipments

Fuel additives$91.6M

Component of petroleum additives; shipments lower across most regions except Asia Pacific

Specialty materials$67.2M

Higher selling prices from favorable product mix plus the inclusion of Calca's net sales following its October 1, 2025 acquisition

All other$4.3M

Antiknock compounds business and contracted manufacturing/related services associated with Ethyl

Largest Expense Items

Cost of goods sold$504.7M

Petroleum additives COGS held at 68.6% of segment net sales as price surcharges offset higher raw material and operating costs tied to Middle East supply-chain disruptions

Selling, general, and administrative expenses$48.4M

Primarily personnel-related costs; petroleum additives SG&A fell $0.5M YoY to 4.8% of segment net sales

Research, development, and testing expenses$30.4M-$2.0M YoY

Petroleum additives R&D investment declined to 4.5% of segment net sales from 5.0%

Margins: Petroleum additives operating margin expanded to 22.1% from 21.4% as surcharges tied to Middle East-driven cost inflation lifted gross profit by $7.0M and operating profit by $9.5M versus the prior-year quarter.

Watch Items from the Filing

Worldwide petroleum additives shipment volumes fell 3.8% in the quarter, substantially due to a strategic decision to reduce low-margin business.
No single customer accounted for 10% or more of total net sales in any period presented.
Company expects to continue experiencing substantial variation in quarterly results for the specialty materials segment due to the nature of its business.
Supply chain disruptions from the Middle East conflict are raising raw material and operating costs, prompting price surcharges to offset the impact.
Up to $100M capacity expansion at AMPAC's ammonium perchlorate production, increasing capacity by more than 50%, is expected online near year-end 2026 to meet growing solid rocket motor demand.

AI-extracted and verified against SEC EDGAR filing text. Not investment advice.

Read the full 10-Q on SEC EDGAR →Share on X

Revenue

Q2 2026

$747.1M

Net Income

Q2 2026

$133.8M

Free Cash Flow

Q2 2026

$134.7M

Operating Margin

Q2 2026

21.9%

ROIC

Q2 2026

24.3%

D/E Ratio

Q2 2026

0.47

Period

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro

Revenue

-2.2% YoY

$2.73BFY 2025

FY22 $2.76BFY23 $2.70BFY24 $2.79BFY25 $2.73B

Net Income

-9.4% YoY

$418.7MFY 2025

FY22 $279.5MFY23 $388.9MFY24 $462.4MFY25 $418.7M

Operating Income

-7.8% YoY

$543.7MFY 2025

FY22 $355.1MFY23 $483.0MFY24 $590.0MFY25 $543.7M

EPS (Diluted)

-7.8% YoY

$44.44FY 2025

FY22 $27.77FY23 $40.44FY24 $48.22FY25 $44.44

Total Assets

+11.6% YoY

$3.49BFY 2025

FY22 $2.41BFY23 $2.31BFY24 $3.13BFY25 $3.49B

Total Debt

-9.0% YoY

$883.4MFY 2025

FY22 $1.00BFY23 $643.6MFY24 $971.3MFY25 $883.4M

Op. Cash Flow

+9.5% YoY

$569.0MFY 2025

FY22 $108.6MFY23 $576.8MFY24 $519.6MFY25 $569.0M

Free Cash Flow

-5.4% YoY

$437.5MFY 2025

FY22 $52.5MFY23 $502.8MFY24 $462.3MFY25 $437.5M

Metric	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020
Revenue	$2.73B -2.2%	$2.79B +3.3%	$2.70B -2.4%	$2.76B +17.3%	$2.36B +17.2%	$2.01B
Net Income	$418.7M -9.4%	$462.4M +18.9%	$388.9M +39.1%	$279.5M +46.4%	$190.9M -29.4%	$270.6M
Operating Income	$543.7M -7.8%	$590.0M +22.1%	$483.0M +36.0%	$355.1M +37.8%	$257.8M -17.3%	$311.8M
EPS (Diluted)	$44.44 -7.8%	$48.22 +19.2%	$40.44 +45.6%	$27.77 +56.8%	$17.71 -28.1%	$24.64
Total Assets	$3.49B +11.6%	$3.13B +35.5%	$2.31B -4.1%	$2.41B -5.9%	$2.56B +32.3%	$1.93B
Total Debt	$883.4M -9.0%	$971.3M +50.9%	$643.6M -35.9%	$1.00B -32.6%	$1.49B +148.6%	$598.8M
Operating Cash Flow	$569.0M +9.5%	$519.6M -9.9%	$576.8M +431.0%	$108.6M -34.3%	$165.3M -41.8%	$284.2M
Free Cash Flow	$437.5M -5.4%	$462.3M -8.1%	$502.8M +858.5%	$52.5M -39.3%	$86.4M -49.8%	$172.2M

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Available Research

13F Pro tracks comprehensive data for NEWMARKET CORP including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of NEU

BlackRock, Inc.
$556.3M703,123 sh
LONDON CO OF VIRGINIA
$386.5M488,482 sh
VANGUARD PORTFOLIO MANAGEMENT LLC
$329.2M416,063 sh
VANGUARD CAPITAL MANAGEMENT LLC
$276.0M348,834 sh
Boston Partners
$256.0M323,902 sh
AQR CAPITAL MANAGEMENT LLC
$213.6M270,011 sh
LSV ASSET MANAGEMENT
$188.1M237,762 sh
STATE STREET CORP
$185.9M234,065 sh
AMERICAN CENTURY COMPANIES INC
$165.7M209,436 sh
DIMENSIONAL FUND ADVISORS LP
$162.7M205,661 sh

Fund	Value	Shares
BlackRock, Inc.	$556.3M	703,123
LONDON CO OF VIRGINIA	$386.5M	488,482
VANGUARD PORTFOLIO MANAGEMENT LLC	$329.2M	416,063
VANGUARD CAPITAL MANAGEMENT LLC	$276.0M	348,834
Boston Partners	$256.0M	323,902
AQR CAPITAL MANAGEMENT LLC	$213.6M	270,011
LSV ASSET MANAGEMENT	$188.1M	237,762
STATE STREET CORP	$185.9M	234,065
AMERICAN CENTURY COMPANIES INC	$165.7M	209,436
DIMENSIONAL FUND ADVISORS LP	$162.7M	205,661

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Is NEU a good stock to buy?

13F Pro's AI-powered analysis of NEWMARKET CORP (NEU) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Materials sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for NEU are available on the NEU stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing. NEU is classified as a mid company.

Which hedge funds own NEU?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling NEU. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of NEWMARKET CORP's investment landscape.