Innospec (IOSP)
Supplies specialty ingredients, fuel additives, and oilfield chemistries across global industrial markets.
$96.08
After hours−0.08 (−0.08%)
At close$96.16(+3.89%)
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13F · 13D/G · Form 4
| Institutions | ≈ 101.52% | 25.01M shares | |
|---|---|---|---|
| 280 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 1.45% | 357.8K shares | |
| 12 holders · as of Mar 6, 2026 | |||
| Adds to | 102.97% | ||
24.63M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
These groups come from separate filings that can overlap, so they add to 102.97%; nothing is left for Other.
13F, as of Jun 30, 2026
280 holders · 25.01M shares · 44 new positions · 147 increased · 97 reduced · 30 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 4.38M | 17.79% | +502.3K | Aug 7, 2026 |
| Allspring Global Investments Holdings, LLC | 1.89M | 7.68% | −423.5K | Aug 13, 2026 |
| Vanguard Portfolio Management LLC | 1.88M | 7.65% | +24.2K | Aug 13, 2026 |
| Dimensional Fund Advisors LP | 1.31M | 5.30% | +62.9K | Aug 11, 2026 |
| Vanguard Capital Management LLC | 1.11M | 4.50% | −6.5K | Aug 13, 2026 |
| State Street Corp | 996.0K | 4.04% | +31.7K | Aug 7, 2026 |
| Nuveen, LLC | 755.7K | 3.07% | +112.5K | Aug 11, 2026 |
| Geode Capital Management, LLC | 666.6K | 2.71% | +36.0K | Aug 12, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 14.70% | 3.68M | 13G | Apr 30, 2025 |
| Vanguard Portfolio Management | 7.51% | 1.87M | 13G | Apr 29, 2026 |
| Dimensional Fund Advisors LP | 5.30% | 1.31M | 13G | Jul 14, 2026 |
| Vanguard Capital Management | 5.22% | 1.30M | 13G | Apr 30, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Feb 27, 2026 | Ian Cleminsonofficer: EVP & CFO | Sale · 3 lots | 4,760 | $76.56 | 20,357 |
| Feb 27, 2026 | David Landlessdirector | Sale · 3 lots | 1,188 | $76.55 | 7,632 |
| Feb 27, 2026 | Claudia Pocciadirector | Sale · 3 lots | 238 | $76.56 | 6,508 |
| Feb 27, 2026 | Larry PADFIELDdirector | Sale · 3 lots | 1,188 | $76.55 | 9,453 |
| Feb 27, 2026 | Milton C. Blackmoredirector | Sale · 3 lots | 1,188 | $76.55 | 10,530 |
| Mar 3, 2026 | David B. Jonesofficer: SVP, GC & CCO | Sale | 1,028 | $75.64 | 14,693 |
| Feb 20, 2026 | Larry PADFIELDdirector | Sale | 1,030 | $81.84 | 8,508 |
| Feb 20, 2026 | Milton C. Blackmoredirector | Sale | 1,030 | $81.84 | 9,585 |
| Nov 14, 2025 | Leslie J. Parrettedirector | Purchase | 340 | $74.09 | 5,837 |
House and Senate disclosures
Not reported.