Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$723K Sell
3,946
-1,221
-24% -$225K 0.1% 147
2025
Q4
$909K Buy
5,167
+272
+6% +$44.4K 0.13% 115
2025
Q3
$686K Buy
4,895
+3,244
+196% +$438K 0.1% 151
2025
Q2
$207K Buy
+1,651
New +$206K 0.03% 369
2023
Q2
Sell
-286
Closed -$79.5K 516
2023
Q1
$79.5K Sell
286
-1,051
-79% -$291K 0.01% 499
2022
Q4
$370K Buy
1,337
+664
+99% +$188K 0.03% 187
2022
Q3
$180K Buy
673
+642
+2,071% +$136K 0.02% 293
2022
Q2
$6K Buy
31
+1
+3% +$204 ﹤0.01% 968
2022
Q1
$6K Sell
30
-5
-14% -$1.09K ﹤0.01% 970
2021
Q4
$8K Sell
35
-558
-94% -$143K ﹤0.01% 891
2021
Q3
$168K Buy
593
+33
+6% +$10.8K 0.02% 304
2021
Q2
$194K Sell
560
-61
-10% -$18.5K 0.02% 266
2021
Q1
$174K Buy
621
+19
+3% +$5.12K 0.02% 250
2020
Q4
$147K Buy
602
+577
+2,308% +$149K 0.02% 232
2020
Q3
$7K Sell
25
-183
-88% -$51K ﹤0.01% 700
2020
Q2
$56K Buy
208
+10
+5% +$3.01K 0.01% 345
2020
Q1
$63K Buy
198
+82
+71% +$24.9K 0.02% 193
2019
Q4
$34K Buy
116
+111
+2,220% +$30.8K 0.01% 279
2019
Q3
$1K Buy
+5
New +$1.16K ﹤0.01% 365

Other funds holding BIIB

Ellevest Inc's BIIB Position: Q1 2026 in Review

Ellevest Inc reduced its Biogen (BIIB) stake by 24% in Q1 2026, selling an estimated $225K and leaving 3,946 shares worth $723K. The position accounts for 0.1% of the portfolio, ranked #147.

Ellevest Inc first reported a position in BIIB in Q3 2019 and has held it in 19 quarters since. The position peaked at $909K in Q4 2025. 1,004 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Ellevest Inc held 3,946 shares of Biogen worth $723K as of Q1 2026.
  • Ellevest Inc sold 1,221 Biogen shares in Q1 2026, an estimated $225K.
  • Biogen made up 0.1% of Ellevest Inc's portfolio in Q1 2026, its #147 holding.
  • Ellevest Inc first reported a position in Biogen in Q3 2019 and has held it in 19 quarters since.
  • Ellevest Inc's Biogen position peaked at $909K in Q4 2025.
  • 1,004 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Ellevest Inc's 13F filing for Q1 2026, filed 11 May 2026.