Geode Capital Management’s Biogen BIIB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $958M | Buy |
4,449,295
+106,693
| +2% | +$20.4M | 0.05% | 308 |
|
|
2026
Q1 | $793M | Buy |
4,342,602
+143,203
| +3% | +$26.4M | 0.05% | 322 |
|
|
2025
Q4 | $736M | Buy |
4,199,399
+130,618
| +3% | +$21.3M | 0.05% | 333 |
|
|
2025
Q3 | $568M | Buy |
4,068,781
+150,631
| +4% | +$20.4M | 0.04% | 399 |
|
|
2025
Q2 | $490M | Buy |
3,918,150
+71,286
| +2% | +$8.88M | 0.03% | 416 |
|
|
2025
Q1 | $525M | Buy |
3,846,864
+151,388
| +4% | +$21.6M | 0.04% | 379 |
|
|
2024
Q4 | $564M | Buy |
3,695,476
+82,456
| +2% | +$13.9M | 0.04% | 356 |
|
|
2024
Q3 | $698M | Buy |
3,613,020
+47,055
| +1% | +$9.84M | 0.06% | 300 |
|
|
2024
Q2 | $825M | Buy |
3,565,965
+156,291
| +5% | +$34M | 0.07% | 244 |
|
|
2024
Q1 | $733M | Buy |
3,409,674
+100,357
| +3% | +$23.5M | 0.07% | 271 |
|
|
2023
Q4 | $854M | Buy |
3,309,317
+72,430
| +2% | +$17.8M | 0.09% | 208 |
|
|
2023
Q3 | $830M | Buy |
3,236,887
+53,208
| +2% | +$14.2M | 0.1% | 189 |
|
|
2023
Q2 | $905M | Buy |
3,183,679
+80,944
| +3% | +$24.1M | 0.11% | 169 |
|
|
2023
Q1 | $861M | Sell |
3,102,735
-239,595
| -7% | -$66.3M | 0.11% | 172 |
|
|
2022
Q4 | $924M | Buy |
3,342,330
+42,855
| +1% | +$12.1M | 0.13% | 148 |
|
|
2022
Q3 | $880M | Buy |
3,299,475
+53,952
| +2% | +$11.5M | 0.13% | 138 |
|
|
2022
Q2 | $661M | Buy |
3,245,523
+438,859
| +16% | +$89.7M | 0.1% | 200 |
|
|
2022
Q1 | $590M | Buy |
2,806,664
+61,333
| +2% | +$13.3M | 0.07% | 264 |
|
|
2021
Q4 | $657M | Sell |
2,745,331
-29,935
| -1% | -$7.7M | 0.08% | 243 |
|
|
2021
Q3 | $783M | Sell |
2,775,266
-118,484
| -4% | -$38.8M | 0.11% | 167 |
|
|
2021
Q2 | $1B | Buy |
2,893,750
+97,239
| +3% | +$29.5M | 0.14% | 126 |
|
|
2021
Q1 | $781M | Buy |
2,796,511
+37,013
| +1% | +$9.98M | 0.12% | 147 |
|
|
2020
Q4 | $674M | Sell |
2,759,498
-130,480
| -5% | -$33.7M | 0.11% | 154 |
|
|
2020
Q3 | $819M | Sell |
2,889,978
-149,428
| -5% | -$41.7M | 0.16% | 115 |
|
|
2020
Q2 | $812M | Sell |
3,039,406
-332,888
| -10% | -$100M | 0.17% | 113 |
|
|
2020
Q1 | $1.07B | Buy |
3,372,294
+69,657
| +2% | +$21.1M | 0.28% | 68 |
|
|
2019
Q4 | $978M | Sell |
3,302,637
-32,915
| -1% | -$9.13M | 0.2% | 94 |
|
|
2019
Q3 | $776M | Buy |
3,335,552
+48,970
| +1% | +$11.4M | 0.18% | 106 |
|
|
2019
Q2 | $768M | Buy |
3,286,582
+243,391
| +8% | +$56.2M | 0.19% | 102 |
|
|
2019
Q1 | $718M | Buy |
3,043,191
+329,614
| +12% | +$104M | 0.19% | 98 |
|
|
2018
Q4 | $815M | Buy |
2,713,577
+144,464
| +6% | +$46.1M | 0.25% | 76 |
|
|
2018
Q3 | $906M | Sell |
2,569,113
-53,707
| -2% | -$18.5M | 0.26% | 71 |
|
|
2018
Q2 | $760M | Buy |
2,622,820
+28,421
| +1% | +$7.99M | 0.23% | 77 |
|
|
2018
Q1 | $709M | Buy |
2,594,399
+150,840
| +6% | +$46.8M | 0.23% | 84 |
|
|
2017
Q4 | $777M | Buy |
2,443,559
+24,753
| +1% | +$7.94M | 0.26% | 72 |
|
|
2017
Q3 | $756M | Sell |
2,418,806
-720
| -0% | -$213K | 0.28% | 68 |
|
|
2017
Q2 | $656M | Buy |
2,419,526
+47,351
| +2% | +$12.5M | 0.26% | 73 |
|
|
2017
Q1 | $648M | Buy |
2,372,175
+149,832
| +7% | +$42.4M | 0.27% | 71 |
|
|
2016
Q4 | $630M | Buy |
2,222,343
+98,428
| +5% | +$29.2M | 0.29% | 64 |
|
|
2016
Q3 | $664M | Buy |
2,123,915
+101,816
| +5% | +$30.2M | 0.33% | 57 |
|
|
2016
Q2 | $488M | Buy |
2,022,099
+27,097
| +1% | +$7.14M | 0.27% | 71 |
|
|
2016
Q1 | $518M | Buy |
1,995,002
+75,964
| +4% | +$20.1M | 0.28% | 66 |
|
|
2015
Q4 | $587M | Sell |
1,919,038
-32,829
| -2% | -$9.43M | 0.33% | 59 |
|
|
2015
Q3 | $569M | Buy |
1,951,867
+22,146
| +1% | +$7.31M | 0.34% | 58 |
|
|
2015
Q2 | $778M | Buy |
1,929,721
+13,097
| +0.7% | +$5.26M | 0.44% | 42 |
|
|
2015
Q1 | $808M | Buy |
1,916,624
+54,959
| +3% | +$21.7M | 0.46% | 42 |
|
|
2014
Q4 | $631M | Buy |
1,861,665
+77,922
| +4% | +$25.2M | 0.38% | 50 |
|
|
2014
Q3 | $589M | Sell |
1,783,743
-13,569
| -0.8% | -$4.47M | 0.38% | 47 |
|
|
2014
Q2 | $566M | Sell |
1,797,312
-10,305
| -0.6% | -$3.1M | 0.37% | 51 |
|
|
2014
Q1 | $553M | Buy |
1,807,617
+100,731
| +6% | +$32M | 0.37% | 51 |
|
|
2013
Q4 | $477M | Buy |
1,706,886
+26,497
| +2% | +$6.85M | 0.33% | 59 |
|
|
2013
Q3 | $404M | Buy |
1,680,389
+52,598
| +3% | +$11.8M | 0.32% | 61 |
|
|
2013
Q2 | $350M | Buy |
+1,627,791
| New | +$348M | 0.31% | 64 |
|
Other funds holding BIIB
Geode Capital Management's BIIB Position: Q2 2026 in Review
Geode Capital Management increased its Biogen (BIIB) stake by 2.5% in Q2 2026, buying an estimated $20.4M and bringing the position to 4,449,295 shares worth $958M. The position accounts for 0.05% of the portfolio, ranked #308.
Geode Capital Management first reported a position in BIIB in Q2 2013 and has held it in 53 quarters since. The position peaked at $1.07B in Q1 2020. 1,040 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.
- Geode Capital Management held 4,449,295 shares of Biogen worth $958M as of Q2 2026.
- Geode Capital Management bought 106,693 Biogen shares in Q2 2026, an estimated $20.4M.
- Biogen made up 0.05% of Geode Capital Management's portfolio in Q2 2026, its #308 holding.
- Geode Capital Management first reported a position in Biogen in Q2 2013 and has held it in 53 quarters since.
- Geode Capital Management's Biogen position peaked at $1.07B in Q1 2020.
- 1,040 funds tracked by Wall St. Rank held Biogen as of Q2 2026.
Based on Geode Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.