Mercury Computer Systems shares owned by William Blair $ Company
Quarter-by-quarter ownership of Mercury Computer Systems (MRCY) shares owned by William Blair $ Company
from 13F filings
Historical chart of William Blair $ Company investment in Mercury Computer Systems
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All positions including Mercury Computer Systems held by William Blair $ Company consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Mercury Computer Systems by William Blair $ Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $6.2M | 81k | 77.40 |
| 2025-06-30 | $6.7M | 125k | 53.86 |
| 2025-03-31 | $5.7M | 132k | 43.09 |
| 2024-12-31 | $5.7M | 136k | 42.00 |
| 2024-09-30 | $5.8M | 157k | 37.00 |
| 2024-06-30 | $2.1M | 77k | 26.99 |
| 2024-03-31 | $3.5M | 119k | 29.50 |
| 2023-12-31 | $4.5M | 123k | 36.57 |
| 2023-09-30 | $4.8M | 131k | 37.09 |
| 2023-06-30 | $5.1M | 147k | 34.59 |
| 2023-03-31 | $8.4M | 164k | 51.12 |
| 2022-12-31 | $7.7M | 172k | 44.74 |
| 2022-09-30 | $7.1M | 174k | 40.60 |
| 2022-06-30 | $12M | 180k | 64.33 |
| 2022-03-31 | $12M | 190k | 64.45 |
| 2021-12-31 | $10M | 187k | 55.06 |
| 2021-09-30 | $26M | 540k | 47.42 |
| 2021-06-30 | $50M | 755k | 66.28 |
| 2021-03-31 | $57M | 806k | 70.65 |
| 2020-12-31 | $66M | 744k | 88.06 |
| 2020-09-30 | $52M | 677k | 77.46 |
| 2020-06-30 | $43M | 541k | 78.66 |
| 2020-03-31 | $35M | 485k | 71.34 |
| 2019-12-31 | $13M | 189k | 69.11 |
| 2019-09-30 | $15M | 185k | 81.17 |
| 2019-06-30 | $13M | 186k | 70.35 |
| 2019-03-31 | $10M | 163k | 64.08 |
| 2018-12-31 | $7.6M | 161k | 47.29 |
| 2018-09-30 | $8.7M | 158k | 55.32 |
| 2018-06-30 | $6.6M | 173k | 38.06 |
| 2018-03-31 | $6.0M | 124k | 48.32 |
| 2017-12-31 | $7.0M | 137k | 51.35 |
| 2017-09-30 | $9.5M | 182k | 51.88 |
| 2017-06-30 | $7.8M | 184k | 42.09 |
| 2017-03-31 | $6.4M | 166k | 38.65 |
| 2016-12-31 | $4.5M | 149k | 30.22 |
| 2016-09-30 | $3.7M | 149k | 24.57 |
| 2016-06-30 | $1.3M | 52k | 24.87 |
| 2016-03-31 | $224k | 11k | 20.25 |
| 2015-06-30 | $147k | 10k | 14.59 |
| 2015-03-31 | $156k | 10k | 15.48 |
| 2014-12-31 | $158k | 11k | 13.95 |
| 2014-09-30 | $173k | 16k | 10.95 |
| 2014-06-30 | $191k | 17k | 11.29 |
| 2014-03-31 | $1.0M | 77k | 13.20 |
| 2013-12-31 | $964k | 88k | 10.95 |
| 2013-09-30 | $2.7M | 269k | 9.99 |