iShares NASDAQ Biotechnology Index shares owned by Twin Tree Management
Quarter-by-quarter ownership of iShares NASDAQ Biotechnology Index (IBB) shares owned by Twin Tree Management
from 13F filings
Historical chart of Twin Tree Management investment in iShares NASDAQ Biotechnology Index
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Quarterly reported holdings in iShares NASDAQ Biotechnology Index by Twin Tree Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $4.8M | 33k | 144.37 |
| 2025-06-30 | $40M | 315k | 126.51 |
| 2025-03-31 | $2.6M | 20k | 127.90 |
| 2024-12-31 | $15M | 109k | 132.21 |
| 2024-06-30 | $3.9M | 29k | 137.26 |
| 2024-03-31 | $3.9M | 29k | 137.22 |
| 2022-12-31 | $787 | 6 | 131.33 |
| 2022-09-30 | $535k | 4.6k | 116.94 |
| 2022-06-30 | $21k | 181 | 116.02 |
| 2021-09-30 | $81M | 501k | 161.68 |
| 2021-06-30 | $101M | 617k | 163.65 |
| 2020-12-31 | $102k | 671 | 152.01 |
| 2020-09-30 | $13M | 92k | 135.42 |
| 2020-06-30 | $42M | 307k | 136.69 |
| 2020-03-31 | $47M | 440k | 107.74 |
| 2019-12-31 | $23M | 190k | 120.51 |
| 2018-09-30 | $2.0M | 16k | 121.94 |
| 2018-06-30 | $884k | 8.1k | 109.80 |
| 2018-03-31 | $2.7M | 25k | 106.73 |
| 2017-12-31 | $60M | 565k | 106.77 |
| 2017-09-30 | $65M | 195k | 333.59 |
| 2017-06-30 | $44M | 143k | 310.06 |
| 2017-03-31 | $25M | 85k | 293.27 |
| 2016-12-31 | $45M | 168k | 265.56 |
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