Market data loadingS&P 500--NASDAQ--Data as of latest ETNo timestamp

Innospec Inc. (IOSP) Institutional Ownership & Insider Trading

282 institutions reported holding Innospec Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 9 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

IOSPInnospec Inc.Follow IOSP — free
Specialty Chemicals · Basic Materials
—
Price chart with a free account
Market cap
2.4B
P/E TTM
20.1
Dividend yield
1.8%
52-week
—
Next earnings
3 Nov, in 10 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

282 institutions held —% of the shares. Across filers that reported both quarters, shares held changed -0.2%.

Increased+99New+32Decreased-88Closed-23

Largest moves, shares (millions)

BlackRock+0.5MAQR Capital Management+0.2MGoldman Sachs Group+0.2MAllspring Global…-0.4MUBS Group AG-0.4MVictory Capital Management-0.2M

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters
-0.1Sep 24-0.1Dec 24-0.1Mar 25-0.4Jun 25+0.4Sep 25+0.0Dec 25+0.9Mar 26-0.0Jun 26
QuarterHoldersShares held, MChangeIncreasedNewDecreasedClosed
Jun 2628225-0.2%99328823
Mar 2626425+4.5%109327525
Dec 2525624+0.1%92218427
Sep 2526224+1.6%98248820
Jun 2525924-1.5%100308333
Mar 2527024-0.4%83358227
Dec 2425724-0.6%78187723
Sep 2425724-0.3%77219332

Innospec Inc. — questions

Who owns Innospec Inc. stock?
282 institutions reported Innospec Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (17.8%), Allspring Global Investments Holdings, LLC (7.7%), VANGUARD PORTFOLIO MANAGEMENT LLC (7.7%).
Are Innospec Inc. insiders buying or selling?
9 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Innospec Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.