State Street’s Biogen BIIB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $1.31B | Buy |
7,167,922
+8,902
| +0.1% | +$1.64M | 0.05% | 327 |
|
|
2025
Q4 | $1.26B | Sell |
7,159,020
-160,729
| -2% | -$26.3M | 0.04% | 340 |
|
|
2025
Q3 | $1.03B | Sell |
7,319,749
-149,058
| -2% | -$20.1M | 0.04% | 396 |
|
|
2025
Q2 | $938M | Buy |
7,468,807
+71,897
| +1% | +$8.96M | 0.04% | 397 |
|
|
2025
Q1 | $1.01B | Sell |
7,396,910
-1,338
| -0% | -$191K | 0.04% | 359 |
|
|
2024
Q4 | $1.13B | Buy |
7,398,248
+53,288
| +0.7% | +$8.99M | 0.04% | 353 |
|
|
2024
Q3 | $1.42B | Buy |
7,344,960
+248,942
| +4% | +$52.1M | 0.06% | 296 |
|
|
2024
Q2 | $1.64B | Buy |
7,096,018
+349,010
| +5% | +$75.8M | 0.07% | 247 |
|
|
2024
Q1 | $1.45B | Sell |
6,747,008
-198,657
| -3% | -$46.5M | 0.07% | 271 |
|
|
2023
Q4 | $1.8B | Buy |
6,945,665
+80,011
| +1% | +$19.7M | 0.09% | 219 |
|
|
2023
Q3 | $1.76B | Sell |
6,865,654
-19,561
| -0.3% | -$5.23M | 0.1% | 200 |
|
|
2023
Q2 | $1.96B | Buy |
6,885,215
+128,215
| +2% | +$38.2M | 0.1% | 185 |
|
|
2023
Q1 | $1.88B | Sell |
6,757,000
-51,274
| -0.8% | -$14.2M | 0.11% | 186 |
|
|
2022
Q4 | $1.89B | Sell |
6,808,274
-87,083
| -1% | -$24.6M | 0.11% | 183 |
|
|
2022
Q3 | $1.84B | Buy |
6,895,357
+18,476
| +0.3% | +$3.92M | 0.12% | 168 |
|
|
2022
Q2 | $1.4B | Sell |
6,876,881
-332,025
| -5% | -$67.9M | 0.08% | 231 |
|
|
2022
Q1 | $1.52B | Buy |
7,208,906
+197,400
| +3% | +$42.9M | 0.08% | 252 |
|
|
2021
Q4 | $1.68B | Buy |
7,011,506
+107,970
| +2% | +$27.8M | 0.08% | 251 |
|
|
2021
Q3 | $1.95B | Buy |
6,903,536
+223,496
| +3% | +$73.3M | 0.1% | 185 |
|
|
2021
Q2 | $2.31B | Buy |
6,680,040
+7,507
| +0.1% | +$2.27M | 0.12% | 156 |
|
|
2021
Q1 | $1.87B | Sell |
6,672,533
-319,482
| -5% | -$86.2M | 0.11% | 182 |
|
|
2020
Q4 | $1.71B | Sell |
6,992,015
-531,681
| -7% | -$137M | 0.1% | 171 |
|
|
2020
Q3 | $2.13B | Sell |
7,523,696
-313,177
| -4% | -$87.3M | 0.15% | 138 |
|
|
2020
Q2 | $2.1B | Sell |
7,836,873
-425,369
| -5% | -$128M | 0.15% | 131 |
|
|
2020
Q1 | $2.61B | Buy |
8,262,242
+30,055
| +0.4% | +$9.12M | 0.23% | 93 |
|
|
2019
Q4 | $2.44B | Sell |
8,232,187
-208,232
| -2% | -$57.8M | 0.17% | 122 |
|
|
2019
Q3 | $1.97B | Sell |
8,440,419
-324,156
| -4% | -$75.5M | 0.15% | 152 |
|
|
2019
Q2 | $2.05B | Buy |
8,764,575
+9,682
| +0.1% | +$2.24M | 0.15% | 138 |
|
|
2019
Q1 | $2.07B | Sell |
8,754,893
-26,299
| -0.3% | -$8.28M | 0.16% | 123 |
|
|
2018
Q4 | $2.64B | Sell |
8,781,192
-63,643
| -0.7% | -$20.3M | 0.24% | 88 |
|
|
2018
Q3 | $3.12B | Sell |
8,844,835
-55,715
| -0.6% | -$19.2M | 0.24% | 85 |
|
|
2018
Q2 | $2.58B | Buy |
8,900,550
+154,494
| +2% | +$43.4M | 0.22% | 87 |
|
|
2018
Q1 | $2.39B | Sell |
8,746,056
-737,545
| -8% | -$229M | 0.2% | 96 |
|
|
2017
Q4 | $3.02B | Sell |
9,483,601
-185,815
| -2% | -$59.6M | 0.24% | 84 |
|
|
2017
Q3 | $3.03B | Sell |
9,669,416
-51,896
| -0.5% | -$15.4M | 0.26% | 78 |
|
|
2017
Q2 | $2.64B | Buy |
9,721,312
+140,929
| +1% | +$37.3M | 0.23% | 89 |
|
|
2017
Q1 | $2.62B | Buy |
9,580,383
+219,502
| +2% | +$62.1M | 0.23% | 87 |
|
|
2016
Q4 | $2.65B | Buy |
9,360,881
+293,817
| +3% | +$87.1M | 0.25% | 86 |
|
|
2016
Q3 | $2.84B | Buy |
9,067,064
+233,716
| +3% | +$69.2M | 0.29% | 70 |
|
|
2016
Q2 | $2.14B | Sell |
8,833,348
-95,507
| -1% | -$25.2M | 0.23% | 93 |
|
|
2016
Q1 | $2.32B | Sell |
8,928,855
-532,762
| -6% | -$141M | 0.25% | 82 |
|
|
2015
Q4 | $2.9B | Sell |
9,461,617
-24,010
| -0.3% | -$6.9M | 0.32% | 65 |
|
|
2015
Q3 | $2.77B | Sell |
9,485,627
-17,158
| -0.2% | -$5.67M | 0.32% | 65 |
|
|
2015
Q2 | $3.84B | Sell |
9,502,785
-282,405
| -3% | -$113M | 0.41% | 52 |
|
|
2015
Q1 | $4.13B | Sell |
9,785,190
-320,601
| -3% | -$126M | 0.42% | 52 |
|
|
2014
Q4 | $3.43B | Buy |
10,105,791
+242,919
| +2% | +$78.6M | 0.34% | 61 |
|
|
2014
Q3 | $3.26B | Buy |
9,862,872
+224,155
| +2% | +$73.9M | 0.35% | 59 |
|
|
2014
Q2 | $3.04B | Buy |
9,638,717
+92,043
| +1% | +$27.7M | 0.33% | 59 |
|
|
2014
Q1 | $2.92B | Sell |
9,546,674
-607,608
| -6% | -$193M | 0.33% | 62 |
|
|
2013
Q4 | $2.84B | Sell |
10,154,282
-104,496
| -1% | -$27M | 0.32% | 65 |
|
|
2013
Q3 | $2.47B | Buy |
10,258,778
+89,425
| +0.9% | +$20M | 0.3% | 68 |
|
|
2013
Q2 | $2.19B | Buy |
+10,169,353
| New | +$2.17B | 0.29% | 69 |
|
Other funds holding BIIB
VCM
VPM
State Street's BIIB Position: Q1 2026 in Review
State Street increased its Biogen (BIIB) stake by 0.12% in Q1 2026, buying an estimated $1.64M and bringing the position to 7,167,922 shares worth $1.31B. The position accounts for 0.05% of the portfolio, ranked #327.
State Street first reported a position in BIIB in Q2 2013 and has held it in 52 quarters since. The position peaked at $4.13B in Q1 2015. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.
- State Street held 7,167,922 shares of Biogen worth $1.31B as of Q1 2026.
- State Street bought 8,902 Biogen shares in Q1 2026, an estimated $1.64M.
- Biogen made up 0.05% of State Street's portfolio in Q1 2026, its #327 holding.
- State Street first reported a position in Biogen in Q2 2013 and has held it in 52 quarters since.
- State Street's Biogen position peaked at $4.13B in Q1 2015.
- 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.
Based on State Street's 13F filing for Q1 2026, filed 15 May 2026.