Kentucky Retirement Systems’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$1.17M Sell
9,333
-612
-6% -$76.9K 0.03% 404
2025
Q1
$1.36M Sell
9,945
-65
-0.6% -$8.9K 0.04% 377
2024
Q4
$1.53M Sell
10,010
-138
-1% -$21.1K 0.05% 332
2024
Q3
$1.97M Sell
10,148
-824
-8% -$160K 0.06% 295
2024
Q2
$2.54M Sell
10,972
-32
-0.3% -$7.42K 0.07% 248
2024
Q1
$2.37M Sell
11,004
-589
-5% -$127K 0.07% 266
2023
Q4
$3M Sell
11,593
-455
-4% -$118K 0.09% 216
2023
Q3
$3.1M Buy
12,048
+410
+4% +$105K 0.11% 188
2023
Q2
$3.32M Buy
11,638
+252
+2% +$71.8K 0.11% 182
2023
Q1
$3.17M Sell
11,386
-23
-0.2% -$6.4K 0.12% 183
2022
Q4
$3.16M Buy
11,409
+50
+0.4% +$13.8K 0.12% 179
2022
Q3
$3.03M Buy
11,359
+490
+5% +$131K 0.13% 166
2022
Q2
$2.22M Buy
10,869
+1,506
+16% +$307K 0.09% 225
2022
Q1
$1.97M Buy
9,363
+524
+6% +$110K 0.08% 250
2021
Q4
$2.12M Buy
8,839
+139
+2% +$33.4K 0.09% 239
2021
Q3
$2.46M Sell
8,700
-67
-0.8% -$19K 0.12% 178
2021
Q2
$3.04M Sell
8,767
-428
-5% -$148K 0.14% 147
2021
Q1
$2.57M Sell
9,195
-60
-0.6% -$16.8K 0.13% 159
2020
Q4
$2.27M Buy
9,255
+6
+0.1% +$1.47K 0.12% 167
2020
Q3
$2.62M Buy
9,249
+164
+2% +$46.5K 0.16% 136
2020
Q2
$2.43M Sell
9,085
-3,238
-26% -$866K 0.17% 135
2020
Q1
$3.9M Buy
12,323
+3,040
+33% +$962K 0.27% 90
2019
Q4
$2.76M Sell
9,283
-168
-2% -$49.9K 0.2% 116
2019
Q3
$2.2M Buy
9,451
+421
+5% +$98K 0.17% 139
2019
Q2
$2.11M Buy
9,030
+430
+5% +$101K 0.19% 126
2019
Q1
$2.03M Sell
8,600
-164
-2% -$38.8K 0.2% 115
2018
Q4
$2.64M Buy
8,764
+186
+2% +$56K 0.29% 80
2018
Q3
$3.03M Sell
8,578
-381
-4% -$135K 0.29% 77
2018
Q2
$2.6M Sell
8,959
-2,082
-19% -$604K 0.27% 83
2018
Q1
$3.02M Sell
11,041
-1,997
-15% -$547K 0.26% 93
2017
Q4
$4.15M Sell
13,038
-78
-0.6% -$24.9K 0.3% 79
2017
Q3
$4.11M Sell
13,116
-578
-4% -$181K 0.31% 78
2017
Q2
$3.72M Sell
13,694
-148
-1% -$40.2K 0.28% 86
2017
Q1
$3.79M Sell
13,842
-1,946
-12% -$532K 0.29% 82
2016
Q4
$4.48M Sell
15,788
-959
-6% -$272K 0.32% 73
2016
Q3
$5.24M Sell
16,747
-1,881
-10% -$589K 0.35% 64
2016
Q2
$4.51M Sell
18,628
-1,462
-7% -$354K 0.29% 82
2016
Q1
$5.23M Buy
20,090
+3,159
+19% +$822K 0.32% 73
2015
Q4
$5.19M Buy
16,931
+794
+5% +$243K 0.38% 61
2015
Q3
$4.71M Buy
16,137
+265
+2% +$77.3K 0.41% 58
2015
Q2
$6.41M Buy
15,872
+81
+0.5% +$32.7K 0.52% 44
2015
Q1
$6.67M Sell
15,791
-1,764
-10% -$745K 0.54% 42
2014
Q4
$5.96M Sell
17,555
-816
-4% -$277K 0.44% 51
2014
Q3
$6.08M Buy
+18,371
New +$6.08M 0.45% 48
2014
Q1
$5.99M Buy
19,595
+93
+0.5% +$28.4K 0.43% 53
2013
Q4
$5.46M Sell
19,502
-240
-1% -$67.1K 0.4% 58
2013
Q3
$4.75M Buy
+19,742
New +$4.75M 0.38% 60