Man Group’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 | $58.4M | Sell |
318,745
-20,539
| -6% | -$3.78M | 0.11% | 208 |
|
|
2025
Q4 | $59.7M | Sell |
339,284
-578,741
| -63% | -$94.6M | 0.1% | 208 |
|
|
2025
Q3 | $129M | Buy |
918,025
+124,743
| +16% | +$16.9M | 0.22% | 102 |
|
|
2025
Q2 | $99.6M | Buy |
793,282
+27,961
| +4% | +$3.48M | 0.19% | 117 |
|
|
2025
Q1 | $105M | Buy |
765,321
+78,771
| +11% | +$11.3M | 0.27% | 75 |
|
|
2024
Q4 | $105M | Sell |
686,550
-170,285
| -20% | -$28.7M | 0.28% | 71 |
|
|
2024
Q3 | $166M | Buy |
856,835
+799,240
| +1,388% | +$167M | 0.43% | 30 |
|
|
2024
Q2 | $13.4M | Buy |
57,595
+954
| +2% | +$207K | 0.03% | 586 |
|
|
2024
Q1 | $12.2M | Sell |
56,641
-13,367
| -19% | -$3.13M | 0.03% | 616 |
|
|
2023
Q4 | $18.1M | Buy |
+70,008
| New | +$17.2M | 0.05% | 435 |
|
|
2023
Q3 | – | Sell |
-170,811
| Closed | -$45.7M | – | 276 |
|
|
2023
Q2 | $48.7M | Buy |
+170,811
| New | +$50.8M | 0.15% | 149 |
|
|
2023
Q1 | – | Sell |
-695,284
| Closed | -$192M | – | 89 |
|
|
2022
Q4 | $193M | Buy |
695,284
+26,106
| +4% | +$7.37M | 0.69% | 14 |
|
|
2022
Q3 | $179M | Buy |
+669,178
| New | +$142M | 0.83% | 10 |
|
|
2022
Q2 | – | Sell |
-820,811
| Closed | -$168M | – | 14 |
|
|
2022
Q1 | $173M | Buy |
820,811
+607,363
| +285% | +$132M | 0.6% | 17 |
|
|
2021
Q4 | $51.2M | Buy |
213,448
+37,009
| +21% | +$9.52M | 0.16% | 125 |
|
|
2021
Q3 | $49.9M | Buy |
176,439
+140,104
| +386% | +$45.9M | 0.18% | 127 |
|
|
2021
Q2 | $12.6M | Buy |
36,335
+10,492
| +41% | +$3.18M | 0.04% | 479 |
|
|
2021
Q1 | $7.23M | Sell |
25,843
-102,645
| -80% | -$27.7M | 0.03% | 546 |
|
|
2020
Q4 | $31.5M | Sell |
128,488
-213,438
| -62% | -$55.1M | 0.14% | 146 |
|
|
2020
Q3 | $97M | Sell |
341,926
-150,644
| -31% | -$42M | 0.38% | 45 |
|
|
2020
Q2 | $132M | Sell |
492,570
-75,322
| -13% | -$22.6M | 0.66% | 26 |
|
|
2020
Q1 | $180M | Sell |
567,892
-141,524
| -20% | -$42.9M | 1.16% | 9 |
|
|
2019
Q4 | $211M | Buy |
709,416
+14,574
| +2% | +$4.04M | 0.69% | 13 |
|
|
2019
Q3 | $162M | Buy |
694,842
+222,250
| +47% | +$51.8M | 0.6% | 24 |
|
|
2019
Q2 | $111M | Buy |
472,592
+161,432
| +52% | +$37.3M | 0.4% | 35 |
|
|
2019
Q1 | $73.6M | Sell |
311,160
-114,893
| -27% | -$36.2M | 0.28% | 65 |
|
|
2018
Q4 | $128M | Buy |
426,053
+73,861
| +21% | +$23.6M | 0.57% | 32 |
|
|
2018
Q3 | $124M | Sell |
352,192
-322
| -0.1% | -$111K | 0.45% | 32 |
|
|
2018
Q2 | $102M | Buy |
352,514
+74,385
| +27% | +$20.9M | 0.42% | 34 |
|
|
2018
Q1 | $76.2M | Buy |
+278,129
| New | +$86.3M | 0.35% | 47 |
|
Other funds holding BIIB
VCM
VPM
Man Group's BIIB Position: Q1 2026 in Review
Man Group reduced its Biogen (BIIB) stake by 6.1% in Q1 2026, selling an estimated $3.78M and leaving 318,745 shares worth $58.4M. The position accounts for 0.11% of the portfolio, ranked #208.
Man Group first reported a position in BIIB in Q1 2018 and has held it in 30 quarters since. The position peaked at $211M in Q4 2019. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.
- Man Group held 318,745 shares of Biogen worth $58.4M as of Q1 2026.
- Man Group sold 20,539 Biogen shares in Q1 2026, an estimated $3.78M.
- Biogen made up 0.11% of Man Group's portfolio in Q1 2026, its #208 holding.
- Man Group first reported a position in Biogen in Q1 2018 and has held it in 30 quarters since.
- Man Group's Biogen position peaked at $211M in Q4 2019.
- 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.
Based on Man Group's 13F filing for Q1 2026, filed 15 May 2026.