Biogen Idec shares owned by Retirement Systems of Alabama
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Retirement Systems of Alabama
from 13F filings
Historical chart of Retirement Systems of Alabama investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by Retirement Systems of Alabama
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $4.4M | 31k | 140.08 |
| 2025-06-30 | $3.9M | 31k | 125.59 |
| 2025-03-31 | $25M | 184k | 136.84 |
| 2024-12-31 | $28M | 185k | 152.92 |
| 2024-09-30 | $6.1M | 31k | 193.84 |
| 2024-06-30 | $7.4M | 32k | 231.82 |
| 2024-03-31 | $6.9M | 32k | 215.63 |
| 2023-12-31 | $8.3M | 32k | 258.77 |
| 2023-09-30 | $44M | 170k | 257.01 |
| 2023-06-30 | $48M | 170k | 284.85 |
| 2023-03-31 | $50M | 180k | 278.03 |
| 2022-12-31 | $41M | 146k | 276.92 |
| 2022-09-30 | $13M | 48k | 266.99 |
| 2022-06-30 | $53M | 262k | 203.94 |
| 2022-03-31 | $56M | 263k | 210.60 |
| 2021-12-31 | $20M | 83k | 239.92 |
| 2021-09-30 | $22M | 77k | 282.98 |
| 2021-06-30 | $29M | 84k | 346.28 |
| 2021-03-31 | $24M | 84k | 279.75 |
| 2020-12-31 | $22M | 91k | 244.87 |
| 2020-09-30 | $24M | 86k | 283.68 |
| 2020-06-30 | $23M | 87k | 267.55 |
| 2020-03-31 | $25M | 79k | 316.38 |
| 2019-12-31 | $24M | 79k | 296.74 |
| 2019-09-30 | $19M | 81k | 232.82 |
| 2019-06-30 | $21M | 90k | 233.87 |
| 2019-03-31 | $38M | 161k | 236.38 |
| 2018-12-31 | $28M | 93k | 300.92 |
| 2018-09-30 | $47M | 132k | 353.31 |
| 2018-06-30 | $65M | 223k | 290.24 |
| 2018-03-31 | $62M | 225k | 273.82 |
| 2017-12-31 | $62M | 196k | 318.57 |
| 2017-09-30 | $51M | 162k | 313.12 |
| 2017-06-30 | $39M | 145k | 271.36 |
| 2017-03-31 | $40M | 146k | 273.42 |
| 2016-12-31 | $42M | 148k | 283.58 |
| 2016-09-30 | $48M | 153k | 313.03 |
| 2016-06-30 | $49M | 202k | 241.82 |
| 2016-03-31 | $52M | 200k | 260.32 |
| 2015-12-31 | $63M | 206k | 306.35 |
| 2015-09-30 | $65M | 223k | 291.81 |
| 2015-06-30 | $70M | 174k | 403.94 |
| 2015-03-31 | $74M | 175k | 422.24 |
| 2014-12-31 | $61M | 179k | 339.45 |
| 2014-09-30 | $59M | 179k | 330.81 |
| 2014-06-30 | $57M | 181k | 315.31 |
| 2014-03-31 | $55M | 181k | 305.87 |
| 2013-12-31 | $40M | 142k | 279.75 |
| 2013-09-30 | $34M | 141k | 240.76 |
| 2013-06-30 | $30M | 140k | 215.20 |
| 2013-03-31 | $26M | 137k | 192.91 |
More positions owned by Retirement Systems of Alabama
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