INNOSPEC INC.(IOSP)Stock Analysis
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Rank #1,594 of 2,962 stocks
Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Nov 14, 2026.
Revenue Growth
Profitability
Balance Sheet
Earnings Quality
Free Cash Flow
Institutional Flow
Revenue Scale
Dilution Risk
Unusual Activity in IOSP
Events flagged as statistical outliers against IOSP's own multi-year baseline — not fixed dollar thresholds.
IOSP Stock Analysis & AI Quality Score
Data updated 2026-09-11AI stock analysis and institutional research for INNOSPEC INC. (IOSP), a Healthcare sector company. 13F Pro's AI-powered ranking engine scores IOSP at 50.5/100 on a 32-signal composite quality model, placing it at rank #1,594 of 2,962 stocks — the bottom half of the AI-ranked universe. IOSP scores in the top quartile across balance sheet strength (75.9). Areas of concern include institutional flow (17.5) and revenue growth (21.4), which score below median versus the broader universe. Based on the latest XBRL financial filings (Q2 2026), INNOSPEC INC. reports quarterly revenue of $491.4M, net income of $30.8M, an operating margin of 8.1%. Top institutional holders of IOSP by reported 13-F value include BlackRock, Allspring Global Investments, VANGUARD PORTFOLIO MANAGEMENT, based on the most recent SEC filings. IOSP trades on the Nasdaq exchange and files with the SEC under CIK 1054905. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate IOSP 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 INNOSPEC INC. directly from SEC EDGAR. INNOSPEC INC.'s 13F Pro composite quality score has ranged between 33 and 70 since 2021, currently 50.5 — a declining long-term trajectory across 68 quarterly and live scoring snapshots.
Revenue
Q2 2026
$491.4M
Net Income
Q2 2026
$30.8M
Operating Margin
Q2 2026
8.1%
ROIC
Q2 2026
11.8%
Revenue & Net Income
Earnings Per Share
Key Financials Over Time
Export Financial Table · ProRevenue
-3.7% YoYOperating Income
-27.2% YoYEPS (Diluted)
+228.9% YoYTotal Assets
+5.6% YoYTotal Debt
Op. Cash Flow
-25.0% YoY| Metric | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 |
|---|---|---|---|---|---|---|
| Revenue | $1.78B -3.7% | $1.85B -5.3% | $1.95B -0.8% | $1.96B +32.4% | $1.48B +24.3% | $1.19B |
| Operating Income | $129.5M -27.2% | $177.9M +10.1% | $161.6M -13.7% | $187.3M +41.8% | $132.1M +292.0% | $33.7M |
| EPS (Diluted) | $4.67 +228.9% | $1.42 -74.5% | $5.56 +4.5% | $5.32 +41.9% | $3.75 +223.3% | $1.16 |
| Total Assets | $1.83B +5.6% | $1.73B +1.6% | $1.71B +6.5% | $1.60B +2.1% | $1.57B +12.4% | $1.40B |
| Total Debt | — | — | — | — | — | $0.00 |
| Operating Cash Flow | $138.3M -25.0% | $184.5M -11.0% | $207.3M +153.7% | $81.7M -12.3% | $93.2M -36.1% | $145.9M |
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Available Research
13F Pro tracks comprehensive data for INNOSPEC INC. including:
Top Institutional Holders of IOSP
BlackRock, Inc.
$356.6M4,381,323 shAllspring Global Investments Holdings, LLC
$154.7M1,892,471 shVANGUARD PORTFOLIO MANAGEMENT LLC
$153.4M1,884,244 shDIMENSIONAL FUND ADVISORS LP
$106.2M1,305,038 shVANGUARD CAPITAL MANAGEMENT LLC
$90.2M1,108,107 shSTATE STREET CORP
$81.1M996,027 shNuveen, LLC
$61.5M755,723 shGEODE CAPITAL MANAGEMENT, LLC
$54.3M666,589 shGOLDMAN SACHS GROUP INC
$53.9M662,210 shVICTORY CAPITAL MANAGEMENT INC
$53.7M660,110 sh
| Fund | Value | Shares |
|---|---|---|
| BlackRock, Inc. | $356.6M | 4,381,323 |
| Allspring Global Investments Holdings, LLC | $154.7M | 1,892,471 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $153.4M | 1,884,244 |
| DIMENSIONAL FUND ADVISORS LP | $106.2M | 1,305,038 |
| VANGUARD CAPITAL MANAGEMENT LLC | $90.2M | 1,108,107 |
| STATE STREET CORP | $81.1M | 996,027 |
| Nuveen, LLC | $61.5M | 755,723 |
| GEODE CAPITAL MANAGEMENT, LLC | $54.3M | 666,589 |
| GOLDMAN SACHS GROUP INC | $53.9M | 662,210 |
| VICTORY CAPITAL MANAGEMENT INC | $53.7M | 660,110 |
Companies Similar to IOSP
Ranked by quality-profile closeness and shared hedge-fund ownership — not just sector membership.
HEALTHCARE SERVICES GROUP INC
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BALCHEM CORP
Similarity is computed from the 8 composite sub-scores and latest-quarter 13F conviction holdings (index-style filers excluded). Refreshed monthly.
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Popular Research
Is IOSP a good stock to buy?
13F Pro's AI-powered analysis of INNOSPEC INC. (IOSP) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Healthcare sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for IOSP are available on the IOSP 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. IOSP is classified as a mid company.
Which hedge funds own IOSP?
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 IOSP. 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 INNOSPEC INC.'s investment landscape.