Who Owns INNOSPEC INC (IOSP)? -- Institutional Holders (2026-06-30)
303 institutions reported holding $2.03B of INNOSPEC INC (IOSP) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($356.6M), VANGUARD GROUP INC ($259.7M), Allspring Global Investments Holdings, LLC ($154.7M), DIMENSIONAL FUND ADVISORS LP ($106.2M), STATE STREET CORP ($81.1M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | BlackRock, Inc. | $356.6M | 4.4M | Added |
| 2 | VANGUARD GROUP INC | $259.7M | 3.2M | Added |
| 3 | Allspring Global Investments Holdings, LLC | $154.7M | 1.9M | Trimmed |
| 4 | DIMENSIONAL FUND ADVISORS LP | $106.2M | 1.3M | Added |
| 5 | STATE STREET CORP | $81.1M | 996,027 | Added |
| 6 | Nuveen, LLC | $61.5M | 755,723 | Added |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $54.3M | 666,589 | Added |
| 8 | GOLDMAN SACHS GROUP INC | $53.9M | 662,210 | Added |
| 9 | VICTORY CAPITAL MANAGEMENT INC | $53.7M | 660,110 | Trimmed |
| 10 | TWO SIGMA INVESTMENTS, LP | $46.3M | 568,709 | Trimmed |
| 11 | AQR CAPITAL MANAGEMENT LLC | $39.3M | 482,545 | Added |
| 12 | BROWN ADVISORY INC | $33.2M | 408,468 | Added |
| 13 | JPMORGAN CHASE & CO | $30.0M | 370,574 | Trimmed |
| 14 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $28.9M | 355,658 | Trimmed |
| 15 | Sixth Street Partners Management Company, L.P. | $28.9M | 355,658 | New |
| 16 | GENDELL JEFFREY L | $26.4M | 324,504 | Added |
| 17 | ROYCE & ASSOCIATES LP | $25.1M | 308,726 | Added |
| 18 | NORTHERN TRUST CORP | $24.7M | 303,044 | Added |
| 19 | Qube Research & Technologies Ltd | $23.3M | 285,849 | Trimmed |
| 20 | ACADIAN ASSET MANAGEMENT LLC | $22.3M | 273,999 | Added |
| 21 | Assenagon Asset Management S.A. | $22.2M | 272,782 | Trimmed |
| 22 | Western Standard LLC | $19.3M | 236,833 | Added |
| 23 | BANK OF AMERICA CORP /DE/ | $19.2M | 235,742 | Trimmed |
| 24 | MORGAN STANLEY | $18.8M | 230,793 | Trimmed |
| 25 | RENAISSANCE TECHNOLOGIES LLC | $15.1M | 185,000 | Added |
Source: SEC Form 13F filings · as of 2026-06-30