Who owns IOSP
261 institutions reported holding IOSP for 2026Q1, together 100% of the company, more than the 253 a quarter earlier.
261
Institutions reporting a position · as of 2026Q1 · up from 253 the quarter before
- Shares held by institutions
- 24.9M
Shares held by institutions · 100% of the company · long US equity positions only, as reported on Form 13F
- Reported value
- $1.82B
Reported value · at 2026-03-31 prices, not today's
- Top 5 holders
- 47%
Top 5 holders · of the whole company, between five filers
Details›
- Reporting quarter2026-03-31
- 2026Q1
- Quarters on record
- 52
- New positions
- 36
- Positions exited
- 34
- Added to
- 109
- Reduced
- 76
- Top 10 holdersof the company
- 60%
| Quarter | Filers | Shares | Reported value |
|---|---|---|---|
| 2026Q1 | 261 | 24.9M | $1.82B |
| 2025Q4 | 253 | 24.3M | $1.86B |
| 2025Q3 | 266 | 24.0M | $1.85B |
| 2025Q2 | 259 | 24.0M | $2.03B |
| 2025Q1 | 269 | 24.5M | $2.29B |
| 2024Q4 | 258 | 23.8M | $2.61B |
| 2024Q3 | 257 | 24.1M | $2.72B |
| 2024Q2 | 263 | 23.9M | $2.96B |
| 2024Q1 | 234 | 24.0M | $3.09B |
| 2023Q4 | 220 | 23.9M | $2.95B |
| 2023Q3 | 207 | 23.8M | $2.43B |
| 2023Q2 | 201 | 23.8M | $2.39B |
| 2023Q1 | 214 | 23.8M | $2.45B |
| 2022Q4 | 219 | 23.7M | $2.44B |
| 2022Q3 | 189 | 23.7M | $2.03B |
| 2022Q2 | 192 | 23.9M | $2.29B |
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Inc. | 3.9M | 16% | $283M |
| VANGUARD GROUP INC | 3.2M | 13% | $232M |
| WELLS FARGO & COMPANY/MN | 2.3M | 9.4% | $172M |
| DIMENSIONAL FUND ADVISORS LP | 1.2M | 5.0% | $91M |
| STATE STREET CORP | 1.0M | 3.9% | $70M |
| VICTORY CAPITAL MANAGEMENT INC | 0.9M | 3.5% | $63M |
| Nuveen Asset Management, LLC | 0.6M | 2.6% | $47M |
| GEODE CAPITAL MANAGEMENT LLC | 0.6M | 2.5% | $46M |
| TWO SIGMA INVESTMENTS, LP | 0.6M | 2.4% | $43M |
| UBS Group AG | 0.6M | 2.3% | $41M |
SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.
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