OSI Systems shares owned by William Blair $ Company
Quarter-by-quarter ownership of OSI Systems (OSIS) shares owned by William Blair $ Company
from 13F filings
Historical chart of William Blair $ Company investment in OSI Systems
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Quarterly reported holdings in OSI Systems by William Blair $ Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $1.2M | 4.9k | 249.24 |
| 2025-06-30 | $651k | 2.9k | 224.86 |
| 2017-06-30 | $2.0M | 27k | 75.17 |
| 2017-03-31 | $3.3M | 45k | 73.00 |
| 2016-12-31 | $3.1M | 40k | 76.13 |
| 2016-09-30 | $2.6M | 39k | 65.39 |
| 2016-06-30 | $2.3M | 39k | 58.12 |
| 2016-03-31 | $1.9M | 29k | 65.48 |
| 2015-12-31 | $2.8M | 31k | 88.66 |
| 2015-09-30 | $2.6M | 34k | 76.97 |
| 2015-06-30 | $13M | 189k | 70.79 |
| 2015-03-31 | $14M | 191k | 74.26 |
| 2014-12-31 | $13M | 176k | 70.77 |
| 2014-09-30 | $11M | 174k | 63.48 |
| 2014-06-30 | $12M | 181k | 66.75 |
| 2014-03-31 | $11M | 189k | 59.86 |
| 2013-12-31 | $10M | 191k | 53.11 |
| 2013-09-30 | $7.7M | 103k | 74.38 |
| 2013-06-30 | $1.8M | 28k | 64.41 |
| 2013-03-31 | $17M | 276k | 62.29 |
| 2012-12-31 | $9.2M | 144k | 64.04 |