Biogen Idec shares owned by Jane Street
Historical chart of Jane Street investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by Jane Street
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $84M | 597k | 140.08 |
| 2025-06-30 | $84M | 669k | 125.59 |
| 2025-03-31 | $58M | 421k | 136.84 |
| 2024-12-31 | $65M | 426k | 152.92 |
| 2024-09-30 | $49M | 250k | 193.84 |
| 2024-06-30 | $41M | 178k | 231.82 |
| 2024-03-31 | $19M | 86k | 215.63 |
| 2023-12-31 | $53M | 205k | 258.77 |
| 2023-09-30 | $12M | 47k | 257.01 |
| 2023-06-30 | $38M | 135k | 284.85 |
| 2023-03-31 | $14M | 50k | 278.03 |
| 2022-12-31 | $58M | 208k | 276.92 |
| 2022-09-30 | $81M | 305k | 266.99 |
| 2022-06-30 | $39M | 190k | 203.95 |
| 2022-03-31 | $156M | 741k | 210.60 |
| 2021-12-31 | $195M | 814k | 239.97 |
| 2021-09-30 | $257M | 907k | 283.00 |
| 2021-06-30 | $390M | 1.1M | 346.26 |
| 2021-03-31 | $184M | 657k | 279.75 |
| 2020-12-31 | $245M | 1000k | 244.86 |
| 2020-09-30 | $202M | 714k | 283.67 |
| 2020-06-30 | $176M | 659k | 267.55 |
| 2020-03-31 | $111M | 351k | 316.37 |
| 2019-12-31 | $71M | 239k | 296.74 |
| 2019-09-30 | $74M | 319k | 232.79 |
| 2019-06-30 | $49M | 210k | 233.88 |
| 2019-03-31 | $114M | 481k | 236.39 |
| 2018-12-31 | $18M | 60k | 300.91 |
| 2018-09-30 | $34M | 97k | 353.31 |
| 2018-06-30 | $29M | 100k | 290.24 |
| 2018-03-31 | $24M | 87k | 273.80 |
| 2017-12-31 | $43M | 136k | 318.58 |
| 2017-09-30 | $39M | 123k | 313.13 |
| 2017-06-30 | $80M | 296k | 271.36 |
| 2017-03-31 | $41M | 151k | 273.42 |
| 2016-12-31 | $35M | 124k | 283.51 |
| 2016-09-30 | $42M | 133k | 313.03 |
| 2016-06-30 | $44M | 183k | 241.81 |
| 2016-03-31 | $24M | 90k | 260.31 |
| 2015-12-31 | $30M | 98k | 306.34 |
| 2015-09-30 | $39M | 133k | 291.81 |
| 2015-06-30 | $31M | 76k | 403.89 |
| 2015-03-31 | $2.5M | 7.3k | 339.52 |
| 2014-12-31 | $2.5M | 7.3k | 339.52 |
| 2014-09-30 | $520k | 1.6k | 330.65 |
| 2014-06-30 | $495k | 1.6k | 315.29 |