Public Employees Retirement Association of Colorado’s Biogen BIIB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Shares Change % | Capital Flow | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q2 | $1.47M | Hold |
11,669
| – | – | 0.01% | 571 |
|
|
2025
Q1 | $1.6M | Sell |
11,669
-7,374
| -39% | -$1.01M | 0.01% | 545 |
|
|
2024
Q4 | $2.91M | Sell |
19,043
-1,039
| -5% | -$159K | 0.01% | 439 |
|
|
2024
Q3 | $3.89M | Buy |
20,082
+11
| +0.1% | +$2.13K | 0.02% | 401 |
|
|
2024
Q2 | $4.65M | Sell |
20,071
-523
| -3% | -$121K | 0.02% | 383 |
|
|
2024
Q1 | $4.44M | Sell |
20,594
-856
| -4% | -$185K | 0.02% | 395 |
|
|
2023
Q4 | $5.55M | Sell |
21,450
-619
| -3% | -$160K | 0.03% | 355 |
|
|
2023
Q3 | $5.67M | Sell |
22,069
-1,656
| -7% | -$426K | 0.03% | 342 |
|
|
2023
Q2 | $6.76M | Sell |
23,725
-192
| -0.8% | -$54.7K | 0.03% | 324 |
|
|
2023
Q1 | $6.65M | Sell |
23,917
-114
| -0.5% | -$31.7K | 0.03% | 327 |
|
|
2022
Q4 | $6.66M | Sell |
24,031
-109
| -0.5% | -$30.2K | 0.04% | 327 |
|
|
2022
Q3 | $6.45M | Sell |
24,140
-43
| -0.2% | -$11.5K | 0.04% | 322 |
|
|
2022
Q2 | $4.93M | Sell |
24,183
-105
| -0.4% | -$21.4K | 0.03% | 375 |
|
|
2022
Q1 | $5.12M | Sell |
24,288
-2,527
| -9% | -$532K | 0.02% | 398 |
|
|
2021
Q4 | $6.43M | Sell |
26,815
-181
| -0.7% | -$43.4K | 0.03% | 376 |
|
|
2021
Q3 | $7.64M | Sell |
26,996
-122
| -0.4% | -$34.5K | 0.03% | 328 |
|
|
2021
Q2 | $9.39M | Sell |
27,118
-136
| -0.5% | -$47.1K | 0.04% | 308 |
|
|
2021
Q1 | $7.62M | Sell |
27,254
-1,800
| -6% | -$504K | 0.04% | 314 |
|
|
2020
Q4 | $7.11M | Sell |
29,054
-1,306
| -4% | -$320K | 0.03% | 317 |
|
|
2020
Q3 | $8.61M | Sell |
30,360
-2,384
| -7% | -$676K | 0.05% | 277 |
|
|
2020
Q2 | $8.76M | Sell |
32,744
-2,760
| -8% | -$738K | 0.05% | 268 |
|
|
2020
Q1 | $11.2M | Sell |
35,504
-161
| -0.5% | -$50.9K | 0.08% | 210 |
|
|
2019
Q4 | $10.6M | Sell |
35,665
-1,201
| -3% | -$356K | 0.06% | 259 |
|
|
2019
Q3 | $8.58M | Sell |
36,866
-217
| -0.6% | -$50.5K | 0.05% | 287 |
|
|
2019
Q2 | $8.67M | Sell |
37,083
-2,283
| -6% | -$534K | 0.05% | 281 |
|
|
2019
Q1 | $9.31M | Buy |
39,366
+1,744
| +5% | +$412K | 0.06% | 267 |
|
|
2018
Q4 | $11.3M | Sell |
37,622
-84
| -0.2% | -$25.3K | 0.08% | 224 |
|
|
2018
Q3 | $13.3M | Sell |
37,706
-393
| -1% | -$139K | 0.08% | 229 |
|
|
2018
Q2 | $11.1M | Sell |
38,099
-221
| -0.6% | -$64.1K | 0.07% | 243 |
|
|
2018
Q1 | $10.5M | Sell |
38,320
-2,029
| -5% | -$556K | 0.07% | 245 |
|
|
2017
Q4 | $12.9M | Buy |
40,349
+1,607
| +4% | +$512K | 0.08% | 235 |
|
|
2017
Q3 | $12.1M | Sell |
38,742
-2,394
| -6% | -$750K | 0.09% | 237 |
|
|
2017
Q2 | $11.2M | Sell |
41,136
-275
| -0.7% | -$74.6K | 0.08% | 239 |
|
|
2017
Q1 | $11.3M | Sell |
41,411
-1,322
| -3% | -$361K | 0.09% | 234 |
|
|
2016
Q4 | $12.1M | Sell |
42,733
-1,689
| -4% | -$479K | 0.1% | 214 |
|
|
2016
Q3 | $13.9M | Sell |
44,422
-1,521
| -3% | -$476K | 0.11% | 181 |
|
|
2016
Q2 | $11.1M | Sell |
45,943
-5,529
| -11% | -$1.34M | 0.09% | 213 |
|
|
2016
Q1 | $13.4M | Buy |
51,472
+279
| +0.5% | +$72.6K | 0.11% | 166 |
|
|
2015
Q4 | $15.7M | Sell |
51,193
-41,281
| -45% | -$12.6M | 0.13% | 157 |
|
|
2015
Q3 | $27M | Sell |
92,474
-17,186
| -16% | -$5.02M | 0.24% | 87 |
|
|
2015
Q2 | $44.3M | Sell |
109,660
-2,713
| -2% | -$1.1M | 0.36% | 55 |
|
|
2015
Q1 | $47.4M | Sell |
112,373
-574
| -0.5% | -$242K | 0.39% | 54 |
|
|
2014
Q4 | $38.3M | Sell |
112,947
-13,270
| -11% | -$4.5M | 0.32% | 68 |
|
|
2014
Q3 | $41.8M | Sell |
126,217
-1,392
| -1% | -$460K | 0.36% | 57 |
|
|
2014
Q2 | $40.2M | Sell |
127,609
-3,934
| -3% | -$1.24M | 0.34% | 60 |
|
|
2014
Q1 | $40.2M | Sell |
131,543
-16,189
| -11% | -$4.95M | 0.34% | 60 |
|
|
2013
Q4 | $41.3M | Sell |
147,732
-1,616
| -1% | -$452K | 0.36% | 58 |
|
|
2013
Q3 | $36M | Sell |
149,348
-13,034
| -8% | -$3.14M | 0.33% | 62 |
|
|
2013
Q2 | $34.9M | Buy |
+162,382
| New | +$34.9M | 0.33% | 61 |
|