Biogen Idec shares owned by Costello Asset Management
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Costello Asset Management
from 13F filings
Historical chart of Costello Asset Management investment in Biogen Idec
Tip: Access up to 7 years of quarterly data
All positions including Biogen Idec held by Costello Asset Management consolidated in one spreadsheet with up to 7 years of data
Download as csvQuarterly reported holdings in Biogen Idec by Costello Asset Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-12-31 | $53k | 300 | 175.99 |
| 2025-09-30 | $42k | 300 | 140.08 |
| 2025-06-30 | $38k | 300 | 125.59 |
| 2025-03-31 | $41k | 300 | 136.84 |