SPDR S&P Biotech shares owned by William Blair $ Company
Quarter-by-quarter ownership of SPDR S&P Biotech (XBI) shares owned by William Blair $ Company
from 13F filings
Historical chart of William Blair $ Company investment in SPDR S&P Biotech
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Quarterly reported holdings in SPDR S&P Biotech by William Blair $ Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $10M | 102k | 100.20 |
| 2025-06-30 | $8.2M | 99k | 82.93 |
| 2025-03-31 | $11M | 138k | 81.10 |
| 2024-12-31 | $13M | 140k | 90.06 |
| 2024-09-30 | $14M | 144k | 98.80 |
| 2024-06-30 | $13M | 142k | 92.71 |
| 2024-03-31 | $14M | 151k | 94.89 |
| 2023-12-31 | $9.4M | 106k | 89.29 |
| 2023-09-30 | $7.9M | 108k | 73.02 |
| 2023-06-30 | $9.1M | 109k | 83.20 |
| 2023-03-31 | $8.2M | 107k | 76.21 |
| 2022-12-31 | $8.9M | 108k | 83.00 |
| 2022-09-30 | $8.2M | 103k | 79.32 |
| 2022-06-30 | $5.3M | 72k | 74.27 |
| 2022-03-31 | $5.1M | 57k | 89.88 |
| 2021-12-31 | $8.8M | 78k | 111.96 |
| 2021-09-30 | $12M | 91k | 125.71 |
| 2021-06-30 | $12M | 87k | 135.40 |
| 2021-03-31 | $13M | 94k | 135.65 |
| 2020-12-31 | $35M | 252k | 140.78 |
| 2020-09-30 | $5.9M | 53k | 111.42 |
| 2020-06-30 | $2.6M | 23k | 111.93 |
| 2020-03-31 | $842k | 11k | 77.42 |
| 2019-12-31 | $1.1M | 12k | 95.13 |
| 2019-09-30 | $1.1M | 15k | 76.22 |
| 2019-06-30 | $1.6M | 18k | 87.71 |
| 2019-03-31 | $3.1M | 35k | 90.53 |
| 2018-12-31 | $614k | 8.6k | 71.71 |
| 2018-09-30 | $459k | 4.8k | 95.96 |
| 2018-06-30 | $418k | 4.4k | 95.11 |
| 2018-03-31 | $279k | 3.2k | 87.74 |
| 2017-12-31 | $236k | 2.8k | 84.95 |
| 2017-06-30 | $227k | 2.9k | 77.32 |
| 2016-12-31 | $385k | 6.5k | 59.16 |