Private Advisor 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 | $852K | Sell |
4,649
-1,464
| -24% | -$270K | ﹤0.01% | 1527 |
|
|
2025
Q4 | $1.08M | Buy |
6,113
+1,646
| +37% | +$269K | 0.01% | 1369 |
|
|
2025
Q3 | $626K | Buy |
4,467
+229
| +5% | +$31K | ﹤0.01% | 1650 |
|
|
2025
Q2 | $532K | Sell |
4,238
-318
| -7% | -$39.6K | ﹤0.01% | 1651 |
|
|
2025
Q1 | $623K | Sell |
4,556
-1,341
| -23% | -$192K | ﹤0.01% | 1494 |
|
|
2024
Q4 | $902K | Sell |
5,897
-3,748
| -39% | -$632K | 0.01% | 1276 |
|
|
2024
Q3 | $1.87M | Buy |
9,645
+924
| +11% | +$193K | 0.01% | 924 |
|
|
2024
Q2 | $2.02M | Buy |
8,721
+3,888
| +80% | +$845K | 0.01% | 834 |
|
|
2024
Q1 | $1.04M | Buy |
4,833
+224
| +5% | +$52.5K | 0.01% | 1142 |
|
|
2023
Q4 | $1.19M | Sell |
4,609
-20
| -0.4% | -$4.91K | 0.01% | 1029 |
|
|
2023
Q3 | $1.19M | Buy |
4,629
+97
| +2% | +$25.9K | 0.01% | 950 |
|
|
2023
Q2 | $1.26M | Buy |
4,532
+11
| +0.2% | +$3.27K | 0.01% | 932 |
|
|
2023
Q1 | $1.26M | Sell |
4,521
-1,524
| -25% | -$422K | 0.01% | 888 |
|
|
2022
Q4 | $751K | Buy |
6,045
+1,787
| +42% | +$505K | 0.04% | 442 |
|
|
2022
Q3 | $1.14M | Sell |
4,258
-2,238
| -34% | -$475K | 0.01% | 862 |
|
|
2022
Q2 | $1.32M | Buy |
6,496
+789
| +14% | +$161K | 0.01% | 939 |
|
|
2022
Q1 | $1.2M | Sell |
5,707
-440
| -7% | -$95.7K | 0.01% | 1011 |
|
|
2021
Q4 | $1.48M | Sell |
6,147
-36,314
| -86% | -$9.34M | 0.01% | 940 |
|
|
2021
Q3 | $12M | Buy |
42,461
+34,676
| +445% | +$11.4M | 0.08% | 256 |
|
|
2021
Q2 | $2.7M | Buy |
7,785
+104
| +1% | +$31.5K | 0.02% | 647 |
|
|
2021
Q1 | $2.15M | Buy |
7,681
+1,364
| +22% | +$368K | 0.02% | 688 |
|
|
2020
Q4 | $1.55M | Sell |
6,317
-291
| -4% | -$75.1K | 0.02% | 748 |
|
|
2020
Q3 | $1.83M | Sell |
6,608
-717
| -10% | -$200K | 0.02% | 585 |
|
|
2020
Q2 | $1.96M | Buy |
7,325
+1,020
| +16% | +$307K | 0.03% | 546 |
|
|
2020
Q1 | $2M | Buy |
6,305
+372
| +6% | +$113K | 0.04% | 444 |
|
|
2019
Q4 | $1.76M | Sell |
5,933
-4,234
| -42% | -$1.17M | 0.03% | 579 |
|
|
2019
Q3 | $2.64M | Buy |
10,167
+4,908
| +93% | +$1.14M | 0.04% | 456 |
|
|
2019
Q2 | $1.23M | Buy |
5,259
+153
| +3% | +$35.3K | 0.02% | 647 |
|
|
2019
Q1 | $1.21M | Buy |
5,106
+103
| +2% | +$32.4K | 0.02% | 578 |
|
|
2018
Q4 | $1.5M | Sell |
5,003
-2,233
| -31% | -$713K | 0.04% | 465 |
|
|
2018
Q3 | $2.56M | Sell |
7,236
-15,190
| -68% | -$5.23M | 0.05% | 354 |
|
|
2018
Q2 | $6.53M | Buy |
22,426
+20,093
| +861% | +$5.65M | 0.11% | 91 |
|
|
2018
Q1 | $642K | Sell |
2,333
-2,783
| -54% | -$864K | 0.03% | 569 |
|
|
2017
Q4 | $1.68M | Sell |
5,116
-1,711
| -25% | -$549K | 0.07% | 282 |
|
|
2017
Q3 | $2.23M | Buy |
6,827
+1,368
| +25% | +$405K | 0.06% | 333 |
|
|
2017
Q2 | $1.49M | Sell |
5,459
-570
| -9% | -$151K | 0.04% | 430 |
|
|
2017
Q1 | $1.63M | Buy |
6,029
+220
| +4% | +$62.2K | 0.05% | 400 |
|
|
2016
Q4 | $1.67M | Buy |
5,809
+539
| +10% | +$160K | 0.05% | 347 |
|
|
2016
Q3 | $1.64M | Sell |
5,270
-132
| -2% | -$39.1K | 0.07% | 292 |
|
|
2016
Q2 | $1.34M | Buy |
5,402
+1,562
| +41% | +$412K | 0.05% | 334 |
|
|
2016
Q1 | $802K | Buy |
3,840
+569
| +17% | +$150K | 0.04% | 431 |
|
|
2015
Q4 | $1M | Buy |
3,271
+603
| +23% | +$173K | 0.05% | 390 |
|
|
2015
Q3 | $779K | Buy |
2,668
+173
| +7% | +$57.1K | 0.04% | 420 |
|
|
2015
Q2 | $1.01M | Buy |
2,495
+143
| +6% | +$57.4K | 0.05% | 377 |
|
|
2015
Q1 | $993K | Buy |
2,352
+85
| +4% | +$33.5K | 0.06% | 351 |
|
|
2014
Q4 | $770K | Buy |
2,267
+552
| +32% | +$179K | 0.05% | 411 |
|
|
2014
Q3 | $567K | Buy |
1,715
+396
| +30% | +$131K | 0.04% | 474 |
|
|
2014
Q2 | $416K | Buy |
1,319
+69
| +6% | +$20.8K | 0.04% | 550 |
|
|
2014
Q1 | $382K | Buy |
1,250
+326
| +35% | +$103K | 0.04% | 496 |
|
|
2013
Q4 | $258K | Buy |
+924
| New | +$239K | 0.03% | 565 |
|
Other funds holding BIIB
VCM
VPM
Private Advisor Group's BIIB Position: Q1 2026 in Review
Private Advisor Group reduced its Biogen (BIIB) stake by 24% in Q1 2026, selling an estimated $270K and leaving 4,649 shares worth $852K. The position accounts for ﹤0.01% of the portfolio, ranked #1527.
Private Advisor Group first reported a position in BIIB in Q4 2013 and has held it in 50 quarters since. The position peaked at $12M in Q3 2021. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.
- Private Advisor Group held 4,649 shares of Biogen worth $852K as of Q1 2026.
- Private Advisor Group sold 1,464 Biogen shares in Q1 2026, an estimated $270K.
- Biogen made up ﹤0.01% of Private Advisor Group's portfolio in Q1 2026, its #1527 holding.
- Private Advisor Group first reported a position in Biogen in Q4 2013 and has held it in 50 quarters since.
- Private Advisor Group's Biogen position peaked at $12M in Q3 2021.
- 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.
Based on Private Advisor Group's 13F filing for Q1 2026, filed 27 Apr 2026.