Biogen Idec shares owned by WestEnd Advisors
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by WestEnd Advisors
from 13F filings
Historical chart of WestEnd Advisors investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by WestEnd Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2024-12-31 | $306 | 2 | 153.00 |
| 2024-09-30 | $388 | 2 | 194.00 |
| 2024-06-30 | $464 | 2 | 232.00 |
| 2024-03-31 | $431 | 2 | 215.50 |
| 2023-12-31 | $518 | 2 | 259.00 |
| 2023-09-30 | $514 | 2 | 257.00 |
| 2023-03-31 | $556 | 2 | 278.00 |
| 2022-12-31 | $554 | 2 | 277.00 |
| 2022-09-30 | $1.0k | 2 | 500.00 |
| 2022-06-30 | $407 | 2 | 203.50 |
| 2022-03-31 | $210 | 1 | 210.00 |
| 2021-12-31 | $239 | 1 | 239.00 |
| 2021-09-30 | $282 | 1 | 282.00 |
| 2021-06-30 | $346 | 1 | 346.00 |
| 2019-03-31 | $26M | 110k | 236.38 |
| 2018-12-31 | $33M | 108k | 300.92 |
| 2018-09-30 | $37M | 105k | 353.31 |
| 2018-06-30 | $36M | 124k | 290.24 |
| 2018-03-31 | $36M | 133k | 273.82 |
| 2017-12-31 | $44M | 138k | 318.57 |
| 2017-09-30 | $56M | 179k | 313.12 |
| 2017-06-30 | $52M | 190k | 271.36 |
| 2017-03-31 | $56M | 205k | 273.42 |
| 2016-12-31 | $56M | 196k | 283.58 |
| 2016-09-30 | $71M | 226k | 313.03 |
| 2016-06-30 | $94M | 387k | 241.82 |
| 2016-03-31 | $96M | 370k | 260.32 |
| 2015-12-31 | $91M | 298k | 306.35 |
| 2015-09-30 | $84M | 289k | 291.81 |
| 2015-06-30 | $110M | 272k | 403.94 |
| 2015-03-31 | $118M | 279k | 422.24 |
| 2014-12-31 | $104M | 306k | 339.45 |
| 2014-09-30 | $96M | 289k | 330.81 |
| 2014-06-30 | $101M | 320k | 315.31 |
| 2014-03-31 | $98M | 321k | 305.87 |
| 2013-12-31 | $72M | 256k | 279.57 |
| 2013-09-30 | $83M | 345k | 240.76 |
| 2013-06-30 | $80M | 369k | 215.20 |