Joel Isaacson & Co’s Biogen BIIB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $349K | Hold |
1,614
| – | – | 0.01% | 362 |
|
|
2026
Q1 | $296K | Buy |
1,614
+50
| +3% | +$9.21K | 0.01% | 365 |
|
|
2025
Q4 | $275K | Sell |
1,564
-100
| -6% | -$16.3K | 0.01% | 377 |
|
|
2025
Q3 | $233K | Buy |
+1,664
| New | +$225K | 0.01% | 407 |
|
|
2023
Q3 | – | Sell |
-744
| Closed | -$212K | – | 308 |
|
|
2023
Q2 | $212K | Sell |
744
-124
| -14% | -$36.9K | 0.01% | 299 |
|
|
2023
Q1 | $241K | Hold |
868
| – | – | 0.02% | 282 |
|
|
2022
Q4 | $240K | Hold |
868
| – | – | 0.02% | 277 |
|
|
2022
Q3 | $232K | Buy |
+868
| New | +$184K | 0.02% | 268 |
|
|
2022
Q1 | – | Sell |
-878
| Closed | -$211K | – | 311 |
|
|
2021
Q4 | $211K | Hold |
878
| – | – | 0.01% | 292 |
|
|
2021
Q3 | $248K | Hold |
878
| – | – | 0.02% | 274 |
|
|
2021
Q2 | $304K | Buy |
878
+100
| +13% | +$30.3K | 0.02% | 233 |
|
|
2021
Q1 | $218K | Buy |
+778
| New | +$210K | 0.02% | 245 |
|
|
2020
Q4 | – | Sell |
-778
| Closed | -$221K | – | 242 |
|
|
2020
Q3 | $221K | Hold |
778
| – | – | 0.03% | 207 |
|
|
2020
Q2 | $208K | Buy |
778
+11
| +1% | +$3.31K | 0.03% | 197 |
|
|
2020
Q1 | $243K | Buy |
767
+10
| +1% | +$3.04K | 0.04% | 155 |
|
|
2019
Q4 | $225K | Buy |
+757
| New | +$210K | 0.03% | 194 |
|
|
2017
Q1 | – | Sell |
-33
| Closed | -$9K | – | 216 |
|
|
2016
Q4 | $9K | Hold |
33
| – | – | ﹤0.01% | 508 |
|
|
2016
Q3 | $10K | Hold |
33
| – | – | ﹤0.01% | 536 |
|
|
2016
Q2 | $8K | Sell |
33
-40
| -55% | -$10.5K | ﹤0.01% | 558 |
|
|
2016
Q1 | $19K | Hold |
73
| – | – | ﹤0.01% | 491 |
|
|
2015
Q4 | $22K | Hold |
73
| – | – | 0.01% | 448 |
|
|
2015
Q3 | $21K | Sell |
73
-34
| -32% | -$11.2K | 0.01% | 465 |
|
|
2015
Q2 | $43K | Buy |
107
+34
| +47% | +$13.6K | 0.01% | 379 |
|
|
2015
Q1 | $31K | Buy |
73
+40
| +121% | +$15.8K | 0.01% | 418 |
|
|
2014
Q4 | $11K | Sell |
33
-7
| -18% | -$2.27K | ﹤0.01% | 496 |
|
|
2014
Q3 | $13K | Buy |
+40
| New | +$13.2K | ﹤0.01% | 460 |
|
Other funds holding BIIB
Joel Isaacson & Co's BIIB Position: Q2 2026 in Review
Joel Isaacson & Co held its Biogen (BIIB) position steady in Q2 2026 at 1,614 shares worth $349K. The position accounts for 0.01% of the portfolio, ranked #362.
Joel Isaacson & Co first reported a position in BIIB in Q3 2014 and has held it in 26 quarters since. 1,046 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.
- Joel Isaacson & Co held 1,614 shares of Biogen worth $349K as of Q2 2026.
- Joel Isaacson & Co left its Biogen share count unchanged in Q2 2026.
- Biogen made up 0.01% of Joel Isaacson & Co's portfolio in Q2 2026, its #362 holding.
- Joel Isaacson & Co first reported a position in Biogen in Q3 2014 and has held it in 26 quarters since.
- 1,046 funds tracked by Wall St. Rank held Biogen as of Q2 2026.
Based on Joel Isaacson & Co's 13F filing for Q2 2026, filed 4 Aug 2026.