Masimo Corporation shares owned by O'shaughnessy Asset Management
Quarter-by-quarter ownership of Masimo Corporation (MASI) shares owned by O'shaughnessy Asset Management
from 13F filings
Historical chart of O'shaughnessy Asset Management investment in Masimo Corporation
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Quarterly reported holdings in Masimo Corporation by O'shaughnessy Asset Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $220k | 1.5k | 147.55 |
| 2025-06-30 | $294k | 1.7k | 168.22 |
| 2025-03-31 | $272k | 1.6k | 166.60 |
| 2024-12-31 | $5.2M | 31k | 165.30 |
| 2021-09-30 | $63k | 232 | 271.55 |
| 2021-06-30 | $31k | 129 | 240.31 |
| 2021-03-31 | $30k | 129 | 232.56 |
| 2020-12-31 | $35k | 129 | 271.32 |
| 2020-09-30 | $30k | 125 | 240.00 |
| 2020-06-30 | $100k | 437 | 228.83 |
| 2020-03-31 | $57k | 321 | 177.57 |
| 2019-12-31 | $67k | 424 | 158.02 |
| 2019-09-30 | $77k | 516 | 149.22 |
| 2018-03-31 | $540k | 6.1k | 87.93 |
| 2017-12-31 | $1.3M | 15k | 84.82 |
| 2017-09-30 | $2.9M | 34k | 86.56 |
| 2017-06-30 | $3.5M | 39k | 91.19 |
| 2017-03-31 | $1.1M | 12k | 93.24 |
| 2016-12-31 | $677k | 10k | 67.44 |
| 2016-09-30 | $1.1M | 19k | 59.50 |
| 2016-06-30 | $823k | 16k | 52.50 |
| 2016-03-31 | $946k | 23k | 40.78 |
| 2015-12-31 | $1.0M | 25k | 41.50 |
| 2015-09-30 | $832k | 22k | 38.54 |
| 2015-06-30 | $163k | 4.2k | 38.76 |
| 2014-12-31 | $499k | 19k | 26.16 |
| 2014-09-30 | $669k | 32k | 21.23 |
| 2014-06-30 | $821k | 35k | 23.60 |
| 2014-03-31 | $964k | 35k | 27.25 |
| 2013-12-31 | $378k | 13k | 29.23 |
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