Fidelity International’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 | $58.3M | Sell |
318,056
-1,488
| -0.5% | -$274K | 0.05% | 317 |
|
|
2025
Q4 | $56.2M | Buy |
319,544
+11,547
| +4% | +$1.89M | 0.04% | 323 |
|
|
2025
Q3 | $43.1M | Buy |
307,997
+63,665
| +26% | +$8.61M | 0.03% | 370 |
|
|
2025
Q2 | $30.7M | Buy |
244,332
+124,332
| +104% | +$15.5M | 0.03% | 409 |
|
|
2025
Q1 | $16.4M | Buy |
120,000
+15,283
| +15% | +$2.18M | 0.02% | 474 |
|
|
2024
Q4 | $16M | Sell |
104,717
-91,285
| -47% | -$15.4M | 0.02% | 476 |
|
|
2024
Q3 | $38M | Sell |
196,002
-594,603
| -75% | -$124M | 0.03% | 375 |
|
|
2024
Q2 | $183M | Buy |
790,605
+88,193
| +13% | +$19.2M | 0.18% | 145 |
|
|
2024
Q1 | $151M | Buy |
702,412
+45,910
| +7% | +$10.8M | 0.15% | 167 |
|
|
2023
Q4 | $170M | Buy |
656,502
+593,158
| +936% | +$146M | 0.18% | 146 |
|
|
2023
Q3 | $16.3M | Sell |
63,344
-642
| -1% | -$172K | 0.02% | 434 |
|
|
2023
Q2 | $18.2M | Buy |
63,986
+99
| +0.2% | +$29.5K | 0.02% | 417 |
|
|
2023
Q1 | $17.8M | Buy |
63,887
+8,864
| +16% | +$2.45M | 0.02% | 400 |
|
|
2022
Q4 | $15.2M | Buy |
55,023
+2,747
| +5% | +$776K | 0.02% | 434 |
|
|
2022
Q3 | $14M | Buy |
+52,276
| New | +$11.1M | 0.02% | 443 |
|
|
2022
Q2 | – | Sell |
-68,291
| Closed | -$14.4M | – | 815 |
|
|
2022
Q1 | $14.4M | Sell |
68,291
-4,375
| -6% | -$951K | 0.01% | 485 |
|
|
2021
Q4 | $17.4M | Sell |
72,666
-1,734
| -2% | -$446K | 0.02% | 466 |
|
|
2021
Q3 | $21.1M | Sell |
74,400
-2,403
| -3% | -$788K | 0.02% | 428 |
|
|
2021
Q2 | $26.6M | Sell |
76,803
-17,034
| -18% | -$5.16M | 0.03% | 415 |
|
|
2021
Q1 | $26.3M | Buy |
93,837
+14,157
| +18% | +$3.82M | 0.03% | 396 |
|
|
2020
Q4 | $19.5M | Buy |
79,680
+78,580
| +7,144% | +$20.3M | 0.02% | 411 |
|
|
2020
Q3 | $312K | Buy |
+1,100
| New | +$307K | ﹤0.01% | 671 |
|
|
2020
Q2 | – | Sell |
-37,802
| Closed | -$12M | – | 873 |
|
|
2020
Q1 | $12M | Buy |
37,802
+1,665
| +5% | +$505K | 0.02% | 424 |
|
|
2019
Q4 | $10.7M | Buy |
+36,137
| New | +$10M | 0.01% | 496 |
|
|
2019
Q1 | – | Sell |
-201,969
| Closed | -$60.8M | – | 860 |
|
|
2018
Q4 | $60.8M | Buy |
201,969
+1,028
| +0.5% | +$328K | 0.11% | 202 |
|
|
2018
Q3 | $71M | Sell |
200,941
-6,184
| -3% | -$2.13M | 0.11% | 207 |
|
|
2018
Q2 | $60.1M | Buy |
207,125
+7,612
| +4% | +$2.14M | 0.09% | 234 |
|
|
2018
Q1 | $54.6M | Buy |
199,513
+842
| +0.4% | +$261K | 0.15% | 148 |
|
|
2017
Q4 | $63.3M | Sell |
198,671
-47,596
| -19% | -$15.3M | 0.18% | 139 |
|
|
2017
Q3 | $77.1M | Sell |
246,267
-31,862
| -11% | -$9.43M | 0.22% | 112 |
|
|
2017
Q2 | $75.5M | Buy |
278,129
+6,145
| +2% | +$1.62M | 0.22% | 118 |
|
|
2017
Q1 | $74.4M | Sell |
271,984
-28,088
| -9% | -$7.94M | 0.21% | 120 |
|
|
2016
Q4 | $85.1M | Buy |
300,072
+82,910
| +38% | +$24.6M | 0.25% | 105 |
|
|
2016
Q3 | $68M | Sell |
217,162
-11,483
| -5% | -$3.4M | 0.2% | 117 |
|
|
2016
Q2 | $55.3M | Buy |
228,645
+44,596
| +24% | +$11.8M | 0.18% | 126 |
|
|
2016
Q1 | $47.9M | Sell |
184,049
-368
| -0.2% | -$97.2K | 0.15% | 144 |
|
|
2015
Q4 | $56.5M | Sell |
184,417
-302,331
| -62% | -$86.9M | 0.17% | 130 |
|
|
2015
Q3 | $142M | Buy |
486,748
+195,952
| +67% | +$64.7M | 0.49% | 61 |
|
|
2015
Q2 | $117M | Buy |
290,796
+91,012
| +46% | +$36.5M | 0.37% | 78 |
|
|
2015
Q1 | $84.4M | Buy |
199,784
+61,394
| +44% | +$24.2M | 0.27% | 98 |
|
|
2014
Q4 | $47M | Buy |
138,390
+59,563
| +76% | +$19.3M | 0.16% | 143 |
|
|
2014
Q3 | $26.1M | Sell |
78,827
-21,934
| -22% | -$7.23M | 0.1% | 199 |
|
|
2014
Q2 | $31.8M | Sell |
100,761
-5,791
| -5% | -$1.74M | 0.12% | 174 |
|
|
2014
Q1 | $32.6M | Buy |
106,552
+52,634
| +98% | +$16.7M | 0.12% | 180 |
|
|
2013
Q4 | $15.1M | Sell |
53,918
-970
| -2% | -$251K | 0.06% | 277 |
|
|
2013
Q3 | $13.2M | Buy |
54,888
+15,400
| +39% | +$3.45M | 0.06% | 268 |
|
|
2013
Q2 | $8.5M | Buy |
+39,488
| New | +$8.44M | 0.05% | 301 |
|
Other funds holding BIIB
VCM
VPM
Fidelity International's BIIB Position: Q1 2026 in Review
Fidelity International reduced its Biogen (BIIB) stake by 0.47% in Q1 2026, selling an estimated $274K and leaving 318,056 shares worth $58.3M. The position accounts for 0.05% of the portfolio, ranked #317.
Fidelity International first reported a position in BIIB in Q2 2013 and has held it in 47 quarters since. The position peaked at $183M in Q2 2024. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.
- Fidelity International held 318,056 shares of Biogen worth $58.3M as of Q1 2026.
- Fidelity International sold 1,488 Biogen shares in Q1 2026, an estimated $274K.
- Biogen made up 0.05% of Fidelity International's portfolio in Q1 2026, its #317 holding.
- Fidelity International first reported a position in Biogen in Q2 2013 and has held it in 47 quarters since.
- Fidelity International's Biogen position peaked at $183M in Q2 2024.
- 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.
Based on Fidelity International's 13F filing for Q1 2026, filed 15 May 2026.