Norges Bank’s Biogen Inc Position
Does Norges Bank own Biogen Inc (BIIB)? Not currently — the last reported position was 2.64M shares worth $464M in Q4 2025; the fund’s latest 13F (Q1 2026) no longer reports it.
Position Value
$464M
Q4 2025
Shares
2.64M
% of Portfolio
+0.05%
Quarters Held
31
position exited
Position History BIIB
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q4 2025 | 2.64M | $464M | +0.05% |
| Q2 2025 | 2.26M | $284M | +0.04% |
| Q1 2025 | 2.15M | $295M | +0.04% |
| Q4 2024 | 2.33M | $356M | +0.05% |
| Q3 2024 | 2.26M | $439M | +0.06% |
| Q2 2024 | 2.08M | $482M | +0.07% |
| Q1 2024 | 1.52M | $328M | +0.05% |
| Q4 2023 | 1.46M | $379M | +0.07% |
| Q3 2023 | 1.53M | $393M | +0.08% |
| Q2 2023 | 1.44M | $410M | +0.08% |
| Q1 2023 | 1.38M | $383M | +0.08% |
| Q4 2022 | 1.31M | $362M | +0.09% |
| Q3 2022 | 1.24M | $332M | +0.09% |
| Q2 2022 | 1.18M | $241M | +0.06% |
| Q1 2022 | 1.37M | $289M | +0.06% |
| Q4 2021 | 1.56M | $373M | +0.08% |
| Q3 2021 | 1.62M | $459M | +0.10% |
| Q2 2021 | 1.82M | $631M | +0.14% |
| Q1 2021 | 1.75M | $490M | +0.11% |
| Q4 2020 | 1.90M | $466M | +0.11% |
| Q3 2020 | 2.02M | $572M | +0.15% |
| Q2 2020 | 2.14M | $572M | +0.16% |
| Q1 2020 | 2.22M | $703M | +0.25% |
| Q4 2019 | 2.41M | $716M | +0.20% |
| Q3 2019 | 2.25M | $525M | +0.16% |
| Q2 2019 | 2.07M | $483M | +0.15% |
| Q1 2019 | 2.06M | $487M | +0.16% |
| Q4 2018 | 2.14M | $645M | +0.24% |
| Q3 2018 | 2.16M | $764M | +0.25% |
| Q2 2018 | 2.17M | $630M | +0.22% |
| Q1 2018 | 2.12M | $581M | +0.21% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Norges Bank’s full portfolio or all institutional holders of BIIB.