Biogen Idec shares owned by Illinois Municipal Retirement Fund
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Illinois Municipal Retirement Fund
from 13F filings
Historical chart of Illinois Municipal Retirement Fund investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by Illinois Municipal Retirement Fund
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $12M | 83k | 140.08 |
| 2025-06-30 | $13M | 107k | 125.59 |
| 2025-03-31 | $8.8M | 64k | 136.84 |
| 2024-12-31 | $9.5M | 62k | 152.92 |
| 2024-09-30 | $9.7M | 50k | 193.84 |
| 2024-06-30 | $9.7M | 42k | 231.82 |
| 2024-03-31 | $11M | 49k | 215.63 |
| 2023-12-31 | $13M | 49k | 258.77 |
| 2023-09-30 | $18M | 68k | 257.01 |
| 2023-06-30 | $17M | 60k | 284.84 |
| 2023-03-31 | $16M | 56k | 278.04 |
| 2022-12-31 | $18M | 64k | 276.92 |
| 2022-09-30 | $19M | 70k | 267.00 |
| 2022-06-30 | $13M | 64k | 203.93 |
| 2022-03-31 | $9.6M | 46k | 210.60 |
| 2021-12-31 | $10M | 43k | 239.91 |
| 2021-09-30 | $10M | 36k | 282.98 |
| 2021-06-30 | $11M | 31k | 346.29 |
| 2021-03-31 | $6.4M | 23k | 279.73 |
| 2020-12-31 | $5.5M | 22k | 244.84 |
| 2020-09-30 | $2.9M | 10k | 283.70 |
| 2020-06-30 | $1.5M | 5.6k | 267.62 |
More positions owned by Illinois Municipal Retirement Fund
View all positions for Illinois Municipal Retirement Fund