Biogen Idec shares owned by Fayez Sarofim & Co
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Fayez Sarofim & Co
from 13F filings
Historical chart of Fayez Sarofim & Co investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by Fayez Sarofim & Co
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $322k | 2.3k | 140.08 |
| 2025-06-30 | $289k | 2.3k | 125.59 |
| 2025-03-31 | $315k | 2.3k | 136.84 |
| 2024-12-31 | $352k | 2.3k | 152.92 |
| 2024-09-30 | $446k | 2.3k | 193.84 |
| 2024-06-30 | $533k | 2.3k | 231.82 |
| 2024-03-31 | $496k | 2.3k | 215.63 |
| 2023-12-31 | $554k | 2.3k | 240.98 |
| 2023-09-30 | $591k | 2.3k | 257.01 |
| 2023-06-30 | $655k | 2.3k | 284.85 |
| 2023-03-31 | $2.1M | 7.4k | 278.03 |
| 2022-12-31 | $2.1M | 7.4k | 276.92 |
| 2022-09-30 | $2.0M | 7.4k | 266.96 |
| 2022-06-30 | $1.5M | 7.4k | 203.97 |
| 2022-03-31 | $1.6M | 7.7k | 210.66 |
| 2021-12-31 | $2.4M | 10k | 239.93 |
| 2021-09-30 | $2.8M | 10k | 283.01 |
| 2021-06-30 | $3.5M | 10k | 346.23 |
| 2021-03-31 | $2.8M | 10k | 279.72 |
| 2020-12-31 | $2.8M | 12k | 244.89 |
| 2020-09-30 | $3.3M | 12k | 283.69 |
| 2020-06-30 | $2.7M | 10k | 267.51 |
| 2020-03-31 | $3.2M | 10k | 316.38 |
| 2019-12-31 | $3.0M | 10k | 296.78 |
| 2019-09-30 | $2.3M | 9.7k | 232.82 |
| 2019-06-30 | $2.3M | 9.7k | 233.84 |
| 2019-03-31 | $3.9M | 16k | 236.39 |
| 2018-12-31 | $2.9M | 9.7k | 300.93 |
| 2018-09-30 | $3.4M | 9.7k | 353.33 |
| 2018-06-30 | $2.8M | 9.7k | 290.25 |
| 2018-03-31 | $2.7M | 9.7k | 273.81 |
| 2017-12-31 | $3.1M | 9.7k | 318.54 |
| 2017-09-30 | $3.0M | 9.7k | 313.09 |
| 2017-06-30 | $2.6M | 9.7k | 271.39 |
| 2017-03-31 | $2.7M | 9.7k | 273.45 |
| 2016-12-31 | $2.8M | 9.7k | 283.54 |
| 2016-09-30 | $3.0M | 9.7k | 312.98 |
| 2016-06-30 | $2.3M | 9.7k | 241.84 |
| 2016-03-31 | $1.2M | 4.7k | 260.34 |
| 2015-12-31 | $1.4M | 4.7k | 306.39 |
| 2015-09-30 | $1.3M | 4.6k | 291.74 |
| 2015-06-30 | $1.9M | 4.6k | 403.91 |
| 2015-03-31 | $1.9M | 4.6k | 422.17 |
| 2014-12-31 | $1.6M | 4.6k | 339.35 |
| 2014-09-30 | $1.5M | 4.6k | 330.87 |
| 2014-06-30 | $1.5M | 4.6k | 315.22 |
| 2014-03-31 | $1.4M | 4.6k | 305.87 |
| 2013-12-31 | $1.3M | 4.6k | 279.78 |
| 2013-06-30 | $990k | 4.6k | 215.22 |