State Board of Administration of Florida Retirement System
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State Board of Administration of Florida Retirement System’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$16.9M Buy
134,847
+1,300
+1% +$163K 0.03% 441
2025
Q1
$18.3M Hold
133,547
0.04% 399
2024
Q4
$20.4M Sell
133,547
-9,285
-7% -$1.42M 0.04% 377
2024
Q3
$27.7M Sell
142,832
-2,779
-2% -$539K 0.05% 325
2024
Q2
$33.8M Sell
145,611
-32,825
-18% -$7.61M 0.07% 271
2024
Q1
$49.6M Buy
178,436
+19,115
+12% +$5.31M 0.12% 174
2023
Q4
$41.2M Sell
159,321
-744
-0.5% -$193K 0.09% 231
2023
Q3
$41.1M Sell
160,065
-15,637
-9% -$4.02M 0.1% 201
2023
Q2
$50M Sell
175,702
-2,734
-2% -$779K 0.11% 170
2023
Q1
$49.6M Sell
178,436
-3,680
-2% -$1.02M 0.12% 175
2022
Q4
$50.4M Buy
182,116
+550
+0.3% +$152K 0.12% 169
2022
Q3
$48.5M Sell
181,566
-6,116
-3% -$1.63M 0.12% 162
2022
Q2
$38.3M Sell
187,682
-5,834
-3% -$1.19M 0.09% 213
2022
Q1
$40.8M Sell
193,516
-5,107
-3% -$1.08M 0.08% 247
2021
Q4
$47.7M Sell
198,623
-3,843
-2% -$922K 0.09% 233
2021
Q3
$57.3M Sell
202,466
-8,200
-4% -$2.32M 0.11% 170
2021
Q2
$72.9M Buy
210,666
+596
+0.3% +$206K 0.14% 139
2021
Q1
$58.8M Sell
210,070
-9,453
-4% -$2.64M 0.12% 164
2020
Q4
$53.8M Sell
219,523
-14,261
-6% -$3.49M 0.11% 172
2020
Q3
$66.3M Sell
233,784
-2,840
-1% -$806K 0.15% 134
2020
Q2
$63.3M Sell
236,624
-3,823
-2% -$1.02M 0.16% 134
2020
Q1
$76.1M Sell
240,447
-12,448
-5% -$3.94M 0.23% 94
2019
Q4
$75M Sell
252,895
-4,180
-2% -$1.24M 0.18% 113
2019
Q3
$59.9M Sell
257,075
-8,048
-3% -$1.87M 0.16% 139
2019
Q2
$62M Sell
265,123
-8,857
-3% -$2.07M 0.16% 129
2019
Q1
$64.8M Sell
273,980
-2,290
-0.8% -$541K 0.17% 118
2018
Q4
$83.1M Sell
276,270
-707
-0.3% -$213K 0.25% 81
2018
Q3
$97.9M Sell
276,977
-15,082
-5% -$5.33M 0.25% 78
2018
Q2
$84.8M Buy
292,059
+676
+0.2% +$196K 0.23% 85
2018
Q1
$79.8M Sell
291,383
-6,462
-2% -$1.77M 0.22% 94
2017
Q4
$94.9M Sell
297,845
-16,177
-5% -$5.15M 0.25% 79
2017
Q3
$98.3M Sell
314,022
-1,964
-0.6% -$615K 0.27% 79
2017
Q2
$85.7M Buy
315,986
+81
+0% +$22K 0.24% 87
2017
Q1
$86.4M Sell
315,905
-2,250
-0.7% -$615K 0.25% 83
2016
Q4
$90.2M Sell
318,155
-658
-0.2% -$187K 0.27% 74
2016
Q3
$99.8M Sell
318,813
-5,236
-2% -$1.64M 0.31% 64
2016
Q2
$78.4M Buy
324,049
+48,828
+18% +$11.8M 0.25% 81
2016
Q1
$71.6M Sell
275,221
-6,320
-2% -$1.65M 0.27% 71
2015
Q4
$86.3M Sell
281,541
-17,139
-6% -$5.25M 0.32% 61
2015
Q3
$87.2M Sell
298,680
-6,642
-2% -$1.94M 0.34% 60
2015
Q2
$123M Sell
305,322
-8,469
-3% -$3.42M 0.44% 44
2015
Q1
$132M Sell
313,791
-33,602
-10% -$14.2M 0.45% 44
2014
Q4
$118M Sell
347,393
-2,040
-0.6% -$692K 0.37% 51
2014
Q3
$116M Sell
349,433
-8,999
-3% -$2.98M 0.38% 49
2014
Q2
$113M Sell
358,432
-1,730
-0.5% -$545K 0.36% 52
2014
Q1
$110M Sell
360,162
-39,324
-10% -$12M 0.36% 53
2013
Q4
$112M Sell
399,486
-5,228
-1% -$1.46M 0.34% 58
2013
Q3
$97.4M Sell
404,714
-13,630
-3% -$3.28M 0.31% 61
2013
Q2
$90M Buy
+418,344
New +$90M 0.3% 63