Institutional Ownership
Innospec Inc
CUSIP 45768S105COMIOSPQ1 2026
13D / 13G Filings
34
Schedule 13D/13G on record
Beneficial Filers
10
Distinct reporting persons
Largest Stake
17.3%
Max % of class reported
Institutional Holders
257
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
34 filings · latest May 13, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | May 13, 2025 | Wasatch Advisors LP | 13G/A | 2.1% | 528.1K | SEC |
| 2 | Apr 30, 2025 | Blackrock, Inc. | 13G/A | 14.7% | 3.68M | SEC |
| 3 | Feb 12, 2025 | Wasatch Advisors LP | 13G/A | 6.3% | 1.58M | SEC |
| 4 | Feb 13, 2024 | Vanguard Group Inc | 13G/A | 11.9% | 2.95M | SEC |
| 5 | Feb 9, 2024 | Wasatch Advisors LP | 13G/A | 7.8% | — | SEC |
| 6 | Jan 22, 2024 | Blackrock Inc. | 13G/A | 16.0% | 3.97M | SEC |
| 7 | Jan 12, 2024 | Allspring Global Investments Holdings, LLC | 13G/A | 9.4% | 2.34M | SEC |
| 8 | May 4, 2023 | Allspring Global Investments Holdings, LLC | 13G/A | 10.1% | 2.49M | SEC |
| 9 | Feb 9, 2023 | Vanguard Group Inc | 13G/A | 11.7% | 2.89M | SEC |
| 10 | Feb 8, 2023 | Wasatch Advisors Inc | 13G | 7.2% | — | SEC |
24 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Innospec Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 3.88M | $283.24M |
| 2 | Allspring Global Investments Holdings, LLC | 2.32M | $170.45M |
| 3 | Dimensional Fund Advisors LP | 1.24M | $90.70M |
| 4 | State Street Corp | 964.3K | $70.42M |
| 5 | Victory Capital Management Inc | 865.0K | $63.16M |
| 6 | Nuveen, LLC | 643.2K | $46.97M |
| 7 | Geode Capital Management, LLC | 630.6K | $46.05M |
| 8 | Two Sigma Investments, LP | 593.0K | $43.30M |
| 9 | Ubs Group AG | 565.9K | $41.32M |
| 10 | Goldman Sachs Group Inc | 492.0K | $35.93M |