Erste Asset Management’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 | $14.4M | Buy |
66,677
+13,535
| +25% | +$2.59M | 0.11% | 171 |
|
|
2026
Q1 | $9.97M | Buy |
53,142
+4,408
| +9% | +$812K | 0.09% | 199 |
|
|
2025
Q4 | $8.62M | Buy |
48,734
+3,149
| +7% | +$514K | 0.07% | 203 |
|
|
2025
Q3 | $6.31M | Sell |
45,585
-1,038
| -2% | -$140K | 0.06% | 218 |
|
|
2025
Q2 | $5.88M | Sell |
46,623
-4,333
| -9% | -$540K | 0.05% | 258 |
|
|
2025
Q1 | $7.05M | Sell |
50,956
-8,360
| -14% | -$1.2M | 0.09% | 193 |
|
|
2024
Q4 | $8.98M | Sell |
59,316
-228,307
| -79% | -$38.5M | 0.11% | 170 |
|
|
2024
Q3 | $55.8M | Buy |
287,623
+3,306
| +1% | +$692K | 0.67% | 39 |
|
|
2024
Q2 | $65.6M | Buy |
284,317
+19,903
| +8% | +$4.33M | 0.87% | 26 |
|
|
2024
Q1 | $57.1M | Sell |
264,414
-10,498
| -4% | -$2.46M | 0.78% | 33 |
|
|
2023
Q4 | $71.3M | Buy |
274,912
+283
| +0.1% | +$69.5K | 1.04% | 15 |
|
|
2023
Q3 | $70.6M | Buy |
274,629
+1,533
| +0.6% | +$410K | 1.22% | 12 |
|
|
2023
Q2 | $77.6M | Buy |
273,096
+2,561
| +0.9% | +$762K | 1.37% | 9 |
|
|
2023
Q1 | $75M | Buy |
270,535
+34,088
| +14% | +$9.43M | 1.44% | 6 |
|
|
2022
Q4 | $65.4M | Buy |
236,447
+20,387
| +9% | +$5.76M | 1.38% | 6 |
|
|
2022
Q3 | $57.6M | Sell |
216,060
-16,656
| -7% | -$3.54M | 1.29% | 7 |
|
|
2022
Q2 | $47.5M | Sell |
232,716
-12,401
| -5% | -$2.54M | 1.06% | 13 |
|
|
2022
Q1 | $51.7M | Sell |
245,117
-3,548
| -1% | -$772K | 0.99% | 16 |
|
|
2021
Q4 | $61M | Buy |
248,665
+15,015
| +6% | +$3.86M | 1.1% | 10 |
|
|
2021
Q3 | $66.3M | Buy |
233,650
+11,315
| +5% | +$3.71M | 1.31% | 8 |
|
|
2021
Q2 | $77M | Buy |
222,335
+25,598
| +13% | +$7.75M | 1.53% | 5 |
|
|
2021
Q1 | $54.8M | Sell |
196,737
-185
| -0.1% | -$49.9K | 1.34% | 8 |
|
|
2020
Q4 | $48M | Buy |
196,922
+144,825
| +278% | +$37.4M | 1.33% | 8 |
|
|
2020
Q3 | $14.7M | Sell |
52,097
-20,637
| -28% | -$5.76M | 0.5% | 66 |
|
|
2020
Q2 | $19M | Sell |
72,734
-20,333
| -22% | -$6.11M | 0.76% | 37 |
|
|
2020
Q1 | $29.3M | Sell |
93,067
-90,140
| -49% | -$27.4M | 1.7% | 6 |
|
|
2019
Q4 | $54.6M | Buy |
183,207
+143,115
| +357% | +$39.7M | 2.42% | 4 |
|
|
2019
Q3 | $9.24M | Buy |
40,092
+474
| +1% | +$110K | 0.49% | 54 |
|
|
2019
Q2 | $9.45M | Sell |
39,618
-39,914
| -50% | -$9.22M | 0.5% | 48 |
|
|
2019
Q1 | $18.5M | Buy |
79,532
+31,445
| +65% | +$9.9M | 1.04% | 23 |
|
|
2018
Q4 | $14.2M | Buy |
+48,087
| New | +$15.3M | 0.95% | 23 |
|
Other funds holding BIIB
Erste Asset Management's BIIB Position: Q2 2026 in Review
Erste Asset Management increased its Biogen (BIIB) stake by 25% in Q2 2026, buying an estimated $2.59M and bringing the position to 66,677 shares worth $14.4M. The position accounts for 0.11% of the portfolio, ranked #171.
Erste Asset Management first reported a position in BIIB in Q4 2018 and has held it in 31 quarters since. The position peaked at $77.6M in Q2 2023. 1,044 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.
- Erste Asset Management held 66,677 shares of Biogen worth $14.4M as of Q2 2026.
- Erste Asset Management bought 13,535 Biogen shares in Q2 2026, an estimated $2.59M.
- Biogen made up 0.11% of Erste Asset Management's portfolio in Q2 2026, its #171 holding.
- Erste Asset Management first reported a position in Biogen in Q4 2018 and has held it in 31 quarters since.
- Erste Asset Management's Biogen position peaked at $77.6M in Q2 2023.
- 1,044 funds tracked by Wall St. Rank held Biogen as of Q2 2026.
Based on Erste Asset Management's 13F filing for Q2 2026, filed 28 Jul 2026.