INNOSPEC INC
IOSP·45768S105·US·Common Stock·Basic Materials - Specialty Chemicals-13D/G
IOSP (INNOSPEC INC) is held by 148 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($356.6M), Allspring Global Investments Holdings, LLC ($154.7M), VANGUARD PORTFOLIO MANAGEMENT LLC ($153.4M). Net institutional sentiment: Mixed.
148
Holders
(11 Elite)
$1.8B
Total Value
51% (146)
Consensus
75 buying - 71 selling
13F: Insider & Congress: Updated regularly
Who's Trading
Source dates: Price Oct 13, 2026 · Insiders Mar 6, 2026 · Activists Oct 7, 2026 · Congress none
Checking access…
Top Holders
Checking access…
Showing 1-20 of 156
1 / 8
Continue exploring
Other Basic Materials stocks held by institutions
369 holders · $186.6B
362 holders · $57B
358 holders · $62.8B
356 holders · $70.4B
356 holders · $67.9B
347 holders · $55.5B
338 holders · $47.3B
325 holders · $54B
324 holders · $34.4B
321 holders · $14.4B
Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer