INNOSPEC INC. (IOSP)

Typically moves ±4.68% on earnings
EARNINGS ANALYTICS
event_upcoming Est. Next Earnings: 2026-11-06 ESTIMATED
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INNOSPEC INC. (IOSP) has a 87-report earnings history dating back to Oct 26, 2004. Its average absolute post-earnings move is ±4.68%, and 62.1% of those reactions were positive. Its largest post-earnings gain was +14.18% (Feb 08, 2008) and its largest decline was -24.48% (Jul 31, 2008). The next earnings report is predicted for 2026-11-06 (estimated).

Earnings reactions

How IOSP moved on each past earnings report.

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Earnings Impact

Total Earnings

87

Avg Abs. Movement

±4.68%

Positive %

62.1%

Negative %

37.9%

Historical Earnings Statistics

Date Timing Earnings move SEC Filing
Aug 05, 2026 ☀ PRE +5.86% open_in_new
May 08, 2026 ☀ PRE +4.69% open_in_new
Feb 18, 2026 ☀ PRE +0.26% open_in_new
Nov 05, 2025 ☀ PRE +2.42% open_in_new
event

Earnings Count

87

Total earnings in dataset

trending_up

Avg Abs. Movement

±4.68%

Avg % price change on earnings

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SEC Filings

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account_balance

Institutional ownership

Holdings as of Jun 30, 2026 · SEC 13-F

View all 28 →
28
Funds holding
$668844170
Total value held
Buying
22 added · 6 reduced
Blackrock, Inc.
$356595899 +12.95%
State Street Corp
$81066638 +3.29%
Goldman Sachs Group Inc
$53897272 +34.59%
Jpmorgan Chase & Co
$29998212 -13.02%
Northern Trust Corp
$24664751 +6.62%

Frequently asked about IOSP earnings

When does INNOSPEC INC. report earnings next? expand_more

INNOSPEC INC. (IOSP)'s next earnings date is estimated for 2026-11-06. This is a prediction based on its historical quarterly reporting pattern, not a company-confirmed date.

How much does IOSP stock move after earnings? expand_more

Over 87 reports, IOSP has moved an average of ±4.68% the session after earnings, closing higher 62.1% of the time.

What was IOSP's biggest post-earnings move? expand_more

IOSP's largest post-earnings gain on record was +14.18% on Feb 08, 2008, and its largest decline was -24.48% on Jul 31, 2008.

Where can I find INNOSPEC INC.'s SEC filings? expand_more

All of INNOSPEC INC.'s SEC filings — 10-K, 10-Q, 8-K and more — are listed in the SEC filings section on this page, each linking to the original document on SEC.gov.