Prospera Financial Services’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 | $366K | Buy |
1,692
+82
| +5% | +$15.7K | 0.01% | 1169 |
|
|
2026
Q1 | $295K | Sell |
1,610
-630
| -28% | -$116K | ﹤0.01% | 1209 |
|
|
2025
Q4 | $394K | Buy |
+2,240
| New | +$366K | 0.01% | 1021 |
|
|
2024
Q4 | – | Sell |
-1,048
| Closed | -$203K | – | 1145 |
|
|
2024
Q3 | $203K | Sell |
1,048
-424
| -29% | -$88.7K | 0.01% | 1074 |
|
|
2024
Q2 | $341K | Sell |
1,472
-312
| -17% | -$67.8K | 0.01% | 864 |
|
|
2024
Q1 | $385K | Sell |
1,784
-607
| -25% | -$142K | 0.01% | 800 |
|
|
2023
Q4 | $619K | Buy |
2,391
+1,248
| +109% | +$307K | 0.02% | 591 |
|
|
2023
Q3 | $294K | Sell |
1,143
-5,821
| -84% | -$1.56M | 0.01% | 815 |
|
|
2023
Q2 | $1.98M | Buy |
6,964
+678
| +11% | +$202K | 0.08% | 270 |
|
|
2023
Q1 | $1.75M | Buy |
6,286
+11
| +0.2% | +$3.04K | 0.07% | 287 |
|
|
2022
Q4 | $1.74M | Buy |
+6,275
| New | +$1.77M | 0.09% | 254 |
|
|
2022
Q3 | – | Sell |
-463
| Closed | -$94K | – | 903 |
|
|
2022
Q2 | $94K | Sell |
463
-477
| -51% | -$97.5K | ﹤0.01% | 909 |
|
|
2022
Q1 | $198K | Buy |
940
+20
| +2% | +$4.35K | 0.01% | 885 |
|
|
2021
Q4 | $220K | Sell |
920
-6,345
| -87% | -$1.63M | 0.01% | 806 |
|
|
2021
Q3 | $2.06M | Buy |
7,265
+6,404
| +744% | +$2.1M | 0.1% | 236 |
|
|
2021
Q2 | $298K | Sell |
861
-275
| -24% | -$83.3K | 0.01% | 658 |
|
|
2021
Q1 | $317K | Buy |
+1,136
| New | +$306K | 0.02% | 599 |
|
|
2020
Q4 | – | Sell |
-26
| Closed | -$7K | – | 770 |
|
|
2020
Q3 | $7K | Sell |
26
-741
| -97% | -$207K | ﹤0.01% | 1192 |
|
|
2020
Q2 | $205K | Buy |
+767
| New | +$231K | 0.02% | 531 |
|
|
2019
Q4 | – | Sell |
-2,651
| Closed | -$617K | – | 599 |
|
|
2019
Q3 | $617K | Buy |
+2,651
| New | +$617K | 0.06% | 257 |
|
|
2018
Q4 | – | Sell |
-1,397
| Closed | -$411K | – | 399 |
|
|
2018
Q3 | $411K | Sell |
1,397
-255
| -15% | -$87.8K | 0.08% | 249 |
|
|
2018
Q2 | $483K | Buy |
1,652
+535
| +48% | +$150K | 0.07% | 240 |
|
|
2018
Q1 | $305K | Sell |
1,117
-602
| -35% | -$187K | 0.04% | 335 |
|
|
2017
Q4 | $563K | Buy |
1,719
+1,010
| +142% | +$324K | 0.09% | 196 |
|
|
2017
Q3 | $223K | Buy |
+709
| New | +$210K | 0.03% | 381 |
|
|
2017
Q2 | – | Sell |
-964
| Closed | -$262K | – | 428 |
|
|
2017
Q1 | $262K | Sell |
964
-39
| -4% | -$11K | 0.05% | 292 |
|
|
2016
Q4 | $291K | Buy |
1,003
+105
| +12% | +$31.1K | 0.06% | 278 |
|
|
2016
Q3 | $281K | Sell |
898
-449
| -33% | -$133K | 0.06% | 277 |
|
|
2016
Q2 | $326K | Buy |
1,347
+390
| +41% | +$103K | 0.07% | 232 |
|
|
2016
Q1 | $249K | Sell |
957
-567
| -37% | -$150K | 0.06% | 254 |
|
|
2015
Q4 | $467K | Sell |
1,524
-370
| -20% | -$106K | 0.1% | 138 |
|
|
2015
Q3 | $553K | Sell |
1,894
-39
| -2% | -$12.9K | 0.14% | 103 |
|
|
2015
Q2 | $749K | Buy |
1,933
+599
| +45% | +$240K | 0.18% | 95 |
|
|
2015
Q1 | $530K | Sell |
1,334
-18
| -1% | -$7.09K | 0.12% | 134 |
|
|
2014
Q4 | $459K | Buy |
+1,352
| New | +$437K | 0.11% | 138 |
|
Other funds holding BIIB
Prospera Financial Services's BIIB Position: Q2 2026 in Review
Prospera Financial Services increased its Biogen (BIIB) stake by 5.1% in Q2 2026, buying an estimated $15.7K and bringing the position to 1,692 shares worth $366K. The position accounts for 0.01% of the portfolio, ranked #1169.
Prospera Financial Services first reported a position in BIIB in Q4 2014 and has held it in 35 quarters since. The position peaked at $2.06M in Q3 2021. 1,038 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.
- Prospera Financial Services held 1,692 shares of Biogen worth $366K as of Q2 2026.
- Prospera Financial Services bought 82 Biogen shares in Q2 2026, an estimated $15.7K.
- Biogen made up 0.01% of Prospera Financial Services's portfolio in Q2 2026, its #1169 holding.
- Prospera Financial Services first reported a position in Biogen in Q4 2014 and has held it in 35 quarters since.
- Prospera Financial Services's Biogen position peaked at $2.06M in Q3 2021.
- 1,038 funds tracked by Wall St. Rank held Biogen as of Q2 2026.
Based on Prospera Financial Services's 13F filing for Q2 2026, filed 15 Jul 2026.