iShares NASDAQ Biotechnology Index shares owned by Tower Research Capital
Quarter-by-quarter ownership of iShares NASDAQ Biotechnology Index (IBB) shares owned by Tower Research Capital
from 13F filings
Historical chart of Tower Research Capital investment in iShares NASDAQ Biotechnology Index
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Quarterly reported holdings in iShares NASDAQ Biotechnology Index by Tower Research Capital
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $947k | 6.6k | 144.37 |
| 2025-06-30 | $6.5M | 51k | 126.51 |
| 2025-03-31 | $2.6M | 21k | 126.96 |
| 2024-12-31 | $793 | 6 | 132.17 |
| 2024-09-30 | $160k | 1.1k | 145.60 |
| 2024-06-30 | $22k | 159 | 137.26 |
| 2024-03-31 | $18k | 132 | 137.22 |
| 2023-09-30 | $12M | 99k | 122.29 |
| 2023-06-30 | $44k | 349 | 126.96 |
| 2023-03-31 | $345k | 2.7k | 129.31 |
| 2022-12-31 | $2.6M | 20k | 132.53 |
| 2022-09-30 | $12M | 98k | 118.32 |
| 2022-06-30 | $300k | 2.6k | 117.43 |
| 2022-03-31 | $1.2M | 8.9k | 130.31 |
| 2021-12-31 | $3.7M | 27k | 136.36 |
| 2021-09-30 | $1.2M | 6.8k | 173.91 |
| 2021-06-30 | $2.1M | 13k | 165.56 |
| 2021-03-31 | $8.2M | 54k | 150.84 |
| 2020-09-30 | $4.6M | 35k | 132.74 |
| 2020-03-31 | $20k | 186 | 107.53 |
| 2019-12-31 | $6.6M | 55k | 120.51 |
| 2019-09-30 | $14M | 136k | 100.00 |
| 2019-06-30 | $17k | 157 | 108.28 |
| 2019-03-31 | $27k | 238 | 113.45 |
| 2018-12-31 | $8.8M | 92k | 96.57 |
| 2018-09-30 | $1.3M | 11k | 122.50 |
| 2018-06-30 | $1.0k | 8 | 125.00 |
| 2018-03-31 | $11k | 105 | 104.76 |
| 2017-12-31 | $2.0M | 19k | 107.94 |
| 2017-09-30 | $5.0k | 14 | 357.14 |
| 2017-06-30 | $4.3M | 14k | 310.88 |
| 2017-03-31 | $0 | 37k | 0.00 |
| 2016-12-31 | $9.9M | 37k | 265.31 |
| 2016-06-30 | $27M | 104k | 257.29 |
| 2016-03-31 | $12M | 47k | 260.78 |
| 2015-09-30 | $499k | 1.6k | 303.16 |
| 2014-12-31 | $227k | 749 | 303.03 |
| 2014-06-30 | $1.7M | 6.8k | 257.00 |
| 2013-09-30 | $4.0M | 19k | 209.62 |
| 2013-06-30 | $6.1M | 35k | 173.89 |
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