Biogen Idec shares owned by National Pension Service
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by National Pension Service
from 13F filings
Historical chart of National Pension Service investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by National Pension Service
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $40M | 285k | 140.08 |
| 2025-06-30 | $34M | 273k | 125.59 |
| 2025-03-31 | $37M | 272k | 136.84 |
| 2024-12-31 | $38M | 250k | 152.92 |
| 2024-09-30 | $70M | 360k | 193.84 |
| 2024-03-31 | $68M | 314k | 215.63 |
| 2023-12-31 | $78M | 302k | 258.77 |
| 2023-09-30 | $76M | 296k | 258.05 |
| 2023-06-30 | $79M | 281k | 282.13 |
| 2023-03-31 | $74M | 267k | 275.13 |
| 2022-12-31 | $55M | 200k | 276.92 |
| 2022-09-30 | $54M | 206k | 264.28 |
| 2022-06-30 | $44M | 214k | 203.94 |
| 2022-03-31 | $45M | 211k | 210.60 |
| 2021-12-31 | $59M | 246k | 239.92 |
| 2021-09-30 | $70M | 248k | 282.99 |
| 2021-06-30 | $88M | 254k | 346.27 |
| 2021-03-31 | $70M | 249k | 279.75 |
| 2020-12-31 | $62M | 255k | 244.86 |
| 2020-09-30 | $70M | 250k | 282.04 |
| 2020-06-30 | $67M | 250k | 267.55 |
| 2020-03-31 | $81M | 257k | 316.38 |
| 2019-12-31 | $76M | 254k | 296.73 |
| 2019-09-30 | $60M | 256k | 232.82 |
| 2019-06-30 | $57M | 244k | 233.87 |
| 2019-03-31 | $50M | 213k | 236.38 |
| 2018-12-31 | $67M | 205k | 324.71 |
| 2018-09-30 | $68M | 194k | 353.31 |
| 2018-06-30 | $56M | 195k | 288.75 |
| 2018-03-31 | $50M | 183k | 273.82 |
| 2017-12-31 | $57M | 178k | 318.57 |
| 2017-09-30 | $55M | 177k | 310.00 |
| 2017-06-30 | $46M | 169k | 271.88 |
| 2017-03-31 | $42M | 156k | 269.06 |
| 2016-12-31 | $44M | 155k | 283.58 |
| 2016-09-30 | $44M | 142k | 313.03 |
| 2016-06-30 | $32M | 131k | 241.82 |
| 2016-03-31 | $31M | 120k | 260.32 |
| 2015-12-31 | $35M | 115k | 306.35 |
| 2015-09-30 | $31M | 108k | 291.81 |
| 2015-06-30 | $38M | 94k | 403.93 |
| 2015-03-31 | $34M | 81k | 422.24 |
| 2014-12-31 | $24M | 70k | 339.45 |
| 2014-09-30 | $26M | 77k | 330.81 |