Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$41.1K Buy
224
+100
+81% +$18.4K ﹤0.01% 1230
2025
Q4
$21.8K Buy
124
+122
+6,100% +$19.9K ﹤0.01% 1517
2025
Q3
$280 Hold
2
﹤0.01% 1878
2025
Q2
$251 Buy
+2
New +$249 ﹤0.01% 1884
2025
Q1
Sell
-2
Closed -$306 1785
2024
Q4
$306 Sell
2
-24
-92% -$4.05K ﹤0.01% 1707
2024
Q3
$5.04K Sell
26
-19
-42% -$3.98K ﹤0.01% 1446
2024
Q2
$10.4K Sell
45
-35
-44% -$7.61K ﹤0.01% 1293
2024
Q1
$17.3K Sell
80
-161
-67% -$37.7K ﹤0.01% 1222
2023
Q4
$62.4K Hold
241
﹤0.01% 889
2023
Q3
$61.9K Hold
241
﹤0.01% 868
2023
Q2
$68.6K Hold
241
﹤0.01% 842
2023
Q1
$67K Buy
241
+25
+12% +$6.92K ﹤0.01% 847
2022
Q4
$60K Sell
216
-25
-10% -$7.06K ﹤0.01% 926
2022
Q3
$64K Sell
241
-150
-38% -$31.9K ﹤0.01% 1011
2022
Q2
$80K Hold
391
﹤0.01% 1029
2022
Q1
$82K Sell
391
-114
-23% -$24.8K ﹤0.01% 1089
2021
Q4
$121K Sell
505
-868
-63% -$223K ﹤0.01% 967
2021
Q3
$389K Buy
1,373
+25
+2% +$8.19K 0.01% 607
2021
Q2
$467K Hold
1,348
0.01% 559
2021
Q1
$377K Sell
1,348
-25
-2% -$6.74K 0.01% 584
2020
Q4
$336K Sell
1,373
-45
-3% -$11.6K 0.01% 537
2020
Q3
$402K Sell
1,418
-500
-26% -$139K 0.02% 476
2020
Q2
$513K Sell
1,918
-2,923
-60% -$879K 0.02% 421
2020
Q1
$1.53M Sell
4,841
-1,193
-20% -$362K 0.07% 255
2019
Q4
$1.79M Buy
6,034
+38
+0.6% +$10.5K 0.07% 266
2019
Q3
$1.4M Buy
5,996
+1,100
+22% +$256K 0.06% 274
2019
Q2
$1.15M Sell
4,896
-575
-11% -$133K 0.05% 265
2019
Q1
$1.29M Sell
5,471
-25
-0.5% -$7.87K 0.06% 270
2018
Q4
$1.65M Buy
5,496
+125
+2% +$39.9K 0.08% 232
2018
Q3
$1.9M Sell
5,371
-119
-2% -$41K 0.07% 243
2018
Q2
$1.59M Sell
5,490
-1,160
-17% -$326K 0.07% 260
2018
Q1
$1.82M Buy
6,650
+415
+7% +$129K 0.08% 243
2017
Q4
$1.99M Buy
6,235
+324
+5% +$104K 0.11% 210
2017
Q3
$1.85M Buy
5,911
+106
+2% +$31.4K 0.11% 222
2017
Q2
$1.57M Buy
5,805
+93
+2% +$24.6K 0.1% 235
2017
Q1
$1.56M Buy
5,712
+17
+0.3% +$4.81K 0.11% 230
2016
Q4
$1.61M Buy
+5,695
New +$1.69M 0.12% 215

Other funds holding BIIB

Ancora Advisors's BIIB Position: Q1 2026 in Review

Ancora Advisors increased its Biogen (BIIB) stake by 81% in Q1 2026, buying an estimated $18.4K and bringing the position to 224 shares worth $41.1K. The position accounts for ﹤0.01% of the portfolio, ranked #1230.

Ancora Advisors first reported a position in BIIB in Q4 2016 and has held it in 37 quarters since. The position peaked at $1.99M in Q4 2017. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Ancora Advisors held 224 shares of Biogen worth $41.1K as of Q1 2026.
  • Ancora Advisors bought 100 Biogen shares in Q1 2026, an estimated $18.4K.
  • Biogen made up ﹤0.01% of Ancora Advisors's portfolio in Q1 2026, its #1230 holding.
  • Ancora Advisors first reported a position in Biogen in Q4 2016 and has held it in 37 quarters since.
  • Ancora Advisors's Biogen position peaked at $1.99M in Q4 2017.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Ancora Advisors's 13F filing for Q1 2026, filed 15 May 2026.