Who owns OSIS
365 institutions reported holding OSIS for 2026Q1, together 109% of the company, more than the 355 a quarter earlier.
365
Institutions reporting a position · as of 2026Q1 · up from 355 the quarter before
- Shares held by institutions
- 18.8M
Shares held by institutions · 109% of the company · long US equity positions only, as reported on Form 13F
- Reported value
- $4.99B
Reported value · at 2026-03-31 prices, not today's
- Top 5 holders
- 46%
Top 5 holders · of the whole company, between five filers
Details›
- Reporting quarter2026-03-31
- 2026Q1
- Quarters on record
- 52
- New positions
- 42
- Positions exited
- 37
- Added to
- 112
- Reduced
- 135
- Top 10 holdersof the company
- 61%
| Quarter | Filers | Shares | Reported value |
|---|---|---|---|
| 2026Q1 | 365 | 18.8M | $4.99B |
| 2025Q4 | 355 | 18.7M | $4.78B |
| 2025Q3 | 347 | 18.6M | $4.65B |
| 2025Q2 | 335 | 18.6M | $4.19B |
| 2025Q1 | 303 | 19.3M | $3.75B |
| 2024Q4 | 303 | 18.0M | $3.02B |
| 2024Q3 | 270 | 16.4M | $2.48B |
| 2024Q2 | 262 | 15.2M | $2.10B |
| 2024Q1 | 246 | 15.0M | $2.14B |
| 2023Q4 | 223 | 15.0M | $1.93B |
| 2023Q3 | 232 | 14.7M | $1.74B |
| 2023Q2 | 205 | 14.9M | $1.76B |
| 2023Q1 | 180 | 15.4M | $1.54B |
| 2022Q4 | 187 | 15.3M | $1.21B |
| 2022Q3 | 178 | 15.2M | $1.09B |
| 2022Q2 | 181 | 15.5M | $1.33B |
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Inc. | 2.5M | 15% | $672M |
| VANGUARD GROUP INC | 2.1M | 12% | $553M |
| FMR LLC | 2.0M | 11% | $522M |
| HENDERSON GROUP PLC | 0.8M | 4.5% | $205M |
| Mawer Investment Management Ltd. | 0.7M | 3.8% | $176M |
| STATE STREET CORP | 0.7M | 3.8% | $176M |
| Capital International Investors | 0.6M | 3.6% | $164M |
| GEODE CAPITAL MANAGEMENT LLC | 0.4M | 2.5% | $117M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.4M | 2.5% | $114M |
| DIMENSIONAL FUND ADVISORS LP | 0.4M | 2.3% | $105M |
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.
reading the register…
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