INNOSPEC INC (IOSP) is held by institutional investors who disclose positions via SEC 13F filings. View the full list of institutional holders on HoldingsIntel.

Are institutions buying or selling IOSP?

HoldingsIntel tracks quarter-over-quarter changes in institutional positions for INNOSPEC INC, showing new buyers, position increases, decreases, and exits with conviction-weighted sentiment.

What is the Smart Money Verdict on IOSP?

The Smart Money Verdict combines four independent signals (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for INNOSPEC INC.

Is institutional money flowing into IOSP?

134 institutional investors hold INNOSPEC INC (IOSP). View detailed buyer/seller breakdown on HoldingsIntel.

What do hedge funds think about IOSP?

Track institutional sentiment and conviction scores for INNOSPEC INC (IOSP) including Smart Money Verdict and position changes on HoldingsIntel.

INNOSPEC INC

IOSP·45768S105·US·equity·Basic Materials - Specialty Chemicals-13D/G

134

Holders

Avg rating(10 Elite)

$1.4B

Total Value

55% (149)

Fund Consensus

77 buying - 62 selling

Smart Money Verdict

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45Weak MomentumSplit Signals

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See how IOSP's score breaks down across 4 SEC sources

Held by 134 funds

10 elite

Who's Trading

ActivistVAVanguard Capital Management5.2%Apr 30, 2026

ActivistVPVanguard Portfolio Management7.5%Apr 29, 2026

InsiderCICleminson IanSell $88KFeb 27, 2026

InsiderUNUnknownSell $95KFeb 27, 2026

InsiderBCBlackmore Milton CSell $22KFeb 27, 2026

InsiderUNUnknownSell $24KFeb 27, 2026

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	3.9M(+5.9%)	$283.2M	0.0%	-26.03%	33
Allspring Global Investments Holdings, LLC	Decreased	2.3M(-1.7%)	$170.5M	0.3%	-9.79%	0
DIMENSIONAL FUND ADVISORS LP	Increased	1.2M(+5.7%)	$90.7M	0.0%	-17.69%	32
STATE STREET CORP	Increased	964,335(+1.6%)	$70.4M	0.0%	-33.25%	30
VICTORY CAPITAL MANAGEMENT INC	Decreased	864,994(-9.0%)	$63.2M	0.0%	-11.72%	0
Nuveen, LLC	Increased	643,248(+28.0%)	$47M	0.0%	-7.31%	36
GEODE CAPITAL MANAGEMENT, LLC	Increased	630,592(+3.5%)	$46.1M	0.0%	-4.42%	30
TWO SIGMA INVESTMENTS, LP	Increased	593,039(+271.8%)	$43.3M	0.0%	-2.11%	47
UBS Group AG	Increased	565,911(+298.4%)	$41.3M	0.0%	-3.25%	47
GOLDMAN SACHS GROUP INC	Increased	492,011(+1.4%)	$35.9M	0.0%	-6.38%	29
Assenagon Asset Management S.A.	Increased	490,884(+175.5%)	$35.8M	0.1%	+1.77%	47
JPMORGAN CHASE & CO	Increased	426,050(+39.3%)	$31.2M	0.0%	-18.75%	38
Qube Research & Technologies Ltd	Increased	406,624(+26.9%)	$29.7M	0.0%	-13.05%	36
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	365,874(-2.0%)	$26.7M	0.0%	+3.21%	0
AQR CAPITAL MANAGEMENT LLC	Increased	312,065(+16.4%)	$22.8M	0.0%	-1.16%	33
BROWN ADVISORY INC	Decreased	296,465(-3.1%)	$21.6M	0.0%	-14.04%	0
BANK OF AMERICA CORP /DE/	Decreased	290,766(-9.8%)	$21.2M	0.0%	-19.57%	0
DED. E. Shaw & Co., Inc.	Decreased	286,794(-7.5%)	$20.9M	0.0%	-7.91%	0
NORTHERN TRUST CORP	Increased	284,239(+3.5%)	$20.8M	0.0%	-0.55%	29
ROYCE & ASSOCIATES LP	Decreased	261,336(-14.4%)	$19.1M	0.2%	-5.50%	0

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Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer