iShares NASDAQ Biotechnology Index shares owned by Marshall Wace
Quarter-by-quarter ownership of iShares NASDAQ Biotechnology Index (IBB) shares owned by Marshall Wace
from 13F filings
Historical chart of Marshall Wace investment in iShares NASDAQ Biotechnology Index
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Quarterly reported holdings in iShares NASDAQ Biotechnology Index by Marshall Wace
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $16M | 112k | 144.37 |
| 2025-06-30 | $752k | 5.9k | 126.51 |
| 2024-09-30 | $320k | 2.2k | 145.60 |
| 2024-06-30 | $15M | 107k | 137.26 |
| 2024-03-31 | $1.5M | 11k | 135.47 |
| 2023-06-30 | $6.4M | 50k | 126.96 |
| 2023-03-31 | $2.4M | 18k | 129.16 |
| 2022-12-31 | $10M | 79k | 131.29 |
| 2022-09-30 | $3.0M | 25k | 117.04 |
| 2022-06-30 | $1.6M | 14k | 117.54 |
| 2021-09-30 | $6.7M | 42k | 162.22 |
| 2021-06-30 | $6.0M | 37k | 163.66 |
| 2020-12-31 | $96M | 633k | 151.49 |
| 2019-09-30 | $129k | 1.3k | 99.69 |
| 2017-06-30 | $2.0M | 6.3k | 309.99 |
| 2016-12-31 | $1.5M | 5.7k | 265.39 |
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