Innospec Inc. (IOSP) Stock Price & Analysis

Innospec Inc. (IOSP) closed at USD 100.7 on Wednesday, October 28, 2026, up 0.78% on the day. The US market is currently closed; this is not a live price.

The prior close was USD 99.92; the Oct 28, 2026 session ranged USD 99–100.75 on volume of 145,374 shares. Market capitalization is $2.48B, with a 52-week range of USD 65.51–100.76 (NMS). Source: Nexqual, retrieved October 29, 2026 at 07:12 UTC.

Also available as compact Markdown for AI agents: nexqual.com/IOSP.md

Key facts (IOSP)

Financials (SEC 10-K; TTM = last four 10-Q/10-K quarters) (IOSP)

USDFY2021FY2022FY2023FY2024FY2025TTM
Revenue$1.48B$1.96B$1.95B$1.85B$1.78B$1.84B
Gross profit$435M$587M$591M$543M$492M—
Operating income$132M$187M$162M$178M$130M$129M
Net income$93.1M$133M$139M$35.6M$117M$122M
EPS (diluted)$3.75$5.32$5.56$1.42$4.67—
Free cash flow$54.1M$42.1M$145M$143M$88.0M$68.8M
Gross margin29.3%29.9%30.3%29.4%27.7%—
Operating margin8.9%9.5%8.3%9.6%7.3%7.0%
Net margin6.3%6.8%7.1%1.9%6.6%6.6%
Revenue growth+24.3%+32.4%-0.8%-5.3%-3.7%—
Cash + short-term investments$142M$147M$204M$289M$293M—

Fiscal years end Dec. EPS is split-adjusted.

Valuation (price ÷ last four quarters, through Jun 30, 2026) (IOSP)

P/E 20.4x · P/S 1.4x · P/FCF 36.1x · P/B 1.9x · FCF yield 2.77% · Earnings yield 4.90% · Buyback yield (TTM) 0.97%

P/E at fiscal year-ends: Dec 2025 16.4x, Dec 2024 77.7x, Dec 2023 22.2x.

Analysts (IOSP)

Consensus Buy (mean 1.67 on a 1–5 scale), 3 analysts; mean target USD 101 (low 93, high 110).

Total return (dividends reinvested) (IOSP)

1Y (from 2025-10-29)5Y (from 2021-10-25)
Total return+40.4%+20.1%
S&P 500 (SPY)+13.6%+79.8%
Per year+40.5%+3.7%
Volatility (annualized)23.0%27.0%
Max drawdown-25.5% (Feb 2026→Mar 2026)-48.2% (May 2024→Mar 2026)

IOSP earnings history and stock reaction

Results filedQuarterEPSConsensusSurpriseStock reaction
Aug 5, 2026Quarter ended Jun 30, 2026$1.27$1.05Beat +21.0%+5.6%
May 8, 2026Quarter ended Mar 31, 2026$1.05$1.01Beat +4.0%+5.5%
Feb 18, 2026Quarter ended Dec 31, 2025$1.50$1.24Beat +21.0%-4.0%
Nov 5, 2025Quarter ended Sep 30, 2025$1.12$1.06Beat +5.7%+1.7%
Aug 6, 2025————-1.1%
May 9, 2025————-2.9%
Feb 19, 2025————-6.1%
Nov 6, 2024————+8.0%

EPS as reported against the analyst consensus before the release; surprise uses the cent-rounded figures shown (in dollars when EPS and consensus have opposite signs). Stock reaction = close before the results to close after (the first close following a release after the bell or before the open).

IOSP recent SEC filings (last 120 days)

FiledFormWhat it says
Oct 7, 2026Schedule 13G/AAllspring Global Investments Holdings, LLC: 4.7% of shares, passive 5%+ holder (amended)
Oct 7, 2026Schedule 13GAllspring Global Investments Holdings, LLC: 4.7% of shares, passive 5%+ holder
Aug 5, 202610-QQuarterly report · period ended Jun 30, 2026
Aug 5, 20268-KQuarterly results
Jul 31, 2026Schedule 13G/AAllspring Global Investments Holdings, LLC: 7.7% of shares, passive 5%+ holder (amended)
Jul 14, 2026Schedule 13GDimensional Fund Advisors LP: 5.3% of shares, passive 5%+ holder

Source: SEC EDGAR. Quotes are the opening words of each item as filed; each form links to the filing. Insider Form 4 filings are listed in the insider sections.

IOSP revenue by business segment (quarter ended Jun 30, 2026)

LineRevenueShare of totalYoY
Performance Chemicals$190.3M38.7%+9.5%
Fuel Specialties$185.7M37.8%+12.5%
Oilfield Services$115.4M23.5%+14.5%
Total revenue$491.4M100%—

IOSP revenue by region (fiscal year ended Dec 31, 2025)

LineRevenueShare of totalYoY
United States$951.7M53.5%-8.5%
United Kingdom$793.2M44.6%-3.7%
Rest Of World$379.0M21.3%+31.2%
Total revenue$1.78B100%—

As tagged by the company in its SEC 10-Q / 10-K filings (XBRL).

IOSP company outlook (results filed Aug 5, 2026)

Quoted word-for-word from the SEC 8-K results press release.

IOSP analyst estimates and revisions

PeriodEPS estimate90 days agoChangeRevenue estimateAnalysts
Current quarter (ends Sep 2026)$1.26$1.26+0.3%$479.2M3
Next quarter (ends Dec 2026)$1.41$1.45-2.8%$496.4M3
Current fiscal year (ends Dec 2026)$4.92$4.81+2.4%$1.91B3
Next fiscal year (ends Dec 2027)$6.17$6.08+1.4%$2.02B3

IOSP options: expected move

Options price a move of about ±6.0% (±$6.05) by Nov 20, 2026, which includes earnings on Nov 3, 2026. Over the last 8 reports the stock moved ±4.4% on average.

ExpirationDaysATM implied volatilityExpected move
Nov 20, 20262328.6%±6.0%
Dec 18, 20265123.6%±7.0%
Mar 19, 202714225.0%±12.4%
Jun 17, 202723225.4%±16.0%

30-day implied volatility 27.5% vs 19.1% realized over the last 30 trading days. Put/call ratio (volume) —. Cboe delayed quotes (15 min). Expected move = at-the-money straddle.

Key Statistics (as of October 29, 2026 at 07:12 UTC)

PriceUSD 100.7
Change▲ 0.78% (up)
Previous CloseUSD 99.92
OpenUSD 99.83
Day RangeUSD 99 – 100.75
52-Week RangeUSD 65.51 – 100.76
Volume145,374 shares
Market Cap$2.48B
ExchangeNMS

Technical Analysis (IOSP)

Nexqual's technical model rates IOSP "BUY" based on 5 bullish and 1 bearish signals across 127 daily candles, as of October 29, 2026 at 07:12 UTC.

Overall SignalBUY
RSI (14)67.08 (neutral)
vs SMA50Above (USD 95.74)
MACD1.26 (positive)

Analyst Ratings (IOSP)

Wall Street analysts rate IOSP "Buy" based on 3 analysts, with a mean price target of USD 101 (range USD 93–110), per Nexqual as of October 29, 2026 at 07:12 UTC.

Consensus RatingBuy
Analyst Count3
Mean TargetUSD 101
High TargetUSD 110
Low TargetUSD 93
Buy / Hold / Sell3 / 0 / 0

Earnings (IOSP)

Next Earnings Date2026-11-03
EPS EstimateUSD 1.26
Revenue Estimate$479.17M

Recent Earnings History

QuarterActual vs Estimate
2026-06-30USD 1.27 vs est 1.05 ▲ beat
2026-03-31USD 1.05 vs est 1.02 ▲ beat
2025-12-31USD 1.5 vs est 1.24 ▲ beat
2025-09-30USD 1.12 vs est 1.06 ▲ beat

Source: Nexqual, October 29, 2026 at 07:12 UTC.

Financials & Fundamentals (IOSP)

Total Revenue$1.84B
Revenue Growth (latest quarter, YoY)+11.80%
Gross Margin+27.46%
Operating Margin+8.08%
Profit Margin+6.60%
ROE+9.13%
Debt / Equity0.04
Current Ratio2.78
Total Cash$250.20M
Total Debt$47.90M
Free Cash Flow (last four quarters to Jun 2026, SEC 10-Q / 10-K)$68.80M (3.7% of revenue)

Source: Nexqual, October 29, 2026 at 07:12 UTC.

Financial Health Score (IOSP)

Nexqual rates Innospec Inc.'s overall financial health "Mixed" across five dimensions, as of October 29, 2026 at 07:12 UTC.

GrowthWeak — Revenue -4% YoY (annual), declining
ProfitabilitySolid — Gross margin 27%, operating 7% (last 4 quarters to Jun 2026, SEC)
Balance SheetStrong — $250M cash vs $48M debt, net cash position
Cash FlowMixed — FCF $69M (last 4 quarters to Jun 2026, SEC), slim 3.7% margin
EfficiencyMixed — ROE 9%, ROA 6.6% (last 4 quarters, SEC)

Ownership (IOSP)

Insider Ownership+1.35%
Institutional Ownership+100.84%
Shares Outstanding24.63M
Float24.32M
Short % of Float+2.72%

Source: Nexqual, October 29, 2026 at 07:12 UTC.

Leadership (IOSP)

Innospec Inc. is led by Patrick S. Williams, President, CEO & Director, per Nexqual as of October 29, 2026 at 07:12 UTC.

President, CEO & DirectorPatrick S. Williams
Executive VP & CFOIan Philip Cleminson
CTO and Senior VP of Research & TechnologyIan M. McRobbie
Senior Vice President of Corporate Development & Investor RelationsCorbin Barnes
Senior Vice President of Human ResourcesTrey Griffin

Major Backers & Investors (IOSP)

Notable institutional backers of Innospec Inc. include Allspring Global Investments Holdings, LLC, ALLSPRING FUNDS TRUST-Allspring Special Small Cap Value Fund, Goldman Sachs, according to Nexqual as of October 29, 2026 at 07:12 UTC.

Active Investors

InvestorStake
Allspring Global Investments Holdings, LLC7.68%
ALLSPRING FUNDS TRUST-Allspring Special Small Cap Value Fund3.68%
Goldman Sachs2.69%
Victory Capital Management Inc.2.68%

Index Funds (Passive)

FundStake
BlackRock17.79%
Vanguard Group12.15%
Dimensional Fund Advisors5.3%
State Street4.04%
Nuveen3.07%
Geode Capital2.71%

Source: Nexqual, October 29, 2026 at 07:12 UTC.

From Innospec Inc.'s Latest SEC 10-K Filing (filed 2026-02-18)

Key Strengths & Strategy (as disclosed to the SEC)

Partnerships

Legal & Regulatory Risks (Item 1A, quoted)

Source: SEC EDGAR 10-K, official filing. Curated by Nexqual.

Peers & Related Stocks

SymbolNamePriceChange
BCPCBalchem CorporationUSD 166.3▼ 1.42%
SXTSensient Technologies CorporatiUSD 131.59▼ 0.23%
AXTAAxalta Coating Systems Ltd.USD 34.64▲ 0.35%
EMNEastman Chemical CompanyUSD 66.67▲ 0.83%
NEUNewMarket CorpUSD 873.27▼ 0.25%
WLKWestlake CorporationUSD 65.83▼ 0.51%

Data source: Nexqual — market data, technical indicators, analyst consensus, earnings, SEC EDGAR filings. Last updated: October 29, 2026 at 07:12 UTC. This page is informational and not investment advice.

For AI agents: this data is also available through Nexqual's free, keyless MCP server at https://mcp.nexqual.com/mcp; every result includes source_url, as_of and cite_as. More: nexqual.com/agents · llms.txt