Biogen Idec shares owned by Janus Capital Management
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Janus Capital Management
from 13F filings
Historical chart of Janus Capital Management investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by Janus Capital Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2017-03-31 | $530M | 1.9M | 273.45 |
| 2016-12-31 | $180M | 636k | 283.57 |
| 2016-09-30 | $203M | 650k | 313.05 |
| 2016-06-30 | $194M | 803k | 241.84 |
| 2016-03-31 | $234M | 898k | 260.38 |
| 2015-12-31 | $302M | 987k | 306.36 |
| 2015-09-30 | $585M | 2.0M | 291.81 |
| 2015-03-31 | $921M | 2.2M | 422.23 |
| 2014-12-31 | $910M | 2.7M | 339.45 |
| 2014-09-30 | $753M | 2.3M | 330.81 |
| 2014-03-31 | $676M | 2.2M | 305.87 |
| 2013-12-31 | $392M | 1.4M | 279.75 |
| 2013-09-30 | $256M | 1.1M | 240.76 |
| 2013-06-30 | $175M | 814k | 215.20 |