MERSOM
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Municipal Employees' Retirement System of Michigan’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2020
Q3
Sell
-1,450
Closed -$388K 40
2020
Q2
$388K Sell
1,450
-1,770
-55% -$474K 0.01% 224
2020
Q1
$1.02M Hold
3,220
0.03% 207
2019
Q4
$955K Sell
3,220
-330
-9% -$97.9K 0.03% 420
2019
Q3
$827K Hold
3,550
0.03% 467
2019
Q2
$830K Hold
3,550
0.06% 463
2019
Q1
$839K Sell
3,550
-2,680
-43% -$633K 0.06% 467
2018
Q4
$1.88M Buy
+6,230
New +$1.88M 0.11% 153
2018
Q2
$1.62M Buy
5,590
+50
+0.9% +$14.5K 0.09% 241
2018
Q1
$1.52M Buy
5,540
+80
+1% +$21.9K 0.07% 344
2017
Q4
$1.74M Hold
5,460
0.09% 256
2017
Q3
$1.71M Sell
5,460
-1,550
-22% -$485K 0.09% 252
2017
Q2
$1.9M Hold
7,010
0.09% 272
2017
Q1
$1.92M Hold
7,010
0.09% 316
2016
Q4
$1.99M Buy
7,010
+80
+1% +$22.7K 0.1% 283
2016
Q3
$2.17M Buy
6,930
+20
+0.3% +$6.26K 0.11% 216
2016
Q2
$1.67M Buy
6,910
+30
+0.4% +$7.26K 0.09% 301
2016
Q1
$1.79M Buy
6,880
+10
+0.1% +$2.6K 0.12% 182
2015
Q4
$2.11M Sell
6,870
-330
-5% -$101K 0.16% 114
2015
Q3
$2.1M Sell
7,200
-2,130
-23% -$622K 0.16% 97
2015
Q2
$3.77M Buy
9,330
+2,330
+33% +$941K 0.27% 44
2015
Q1
$2.96M Sell
7,000
-1,200
-15% -$507K 0.23% 56
2014
Q4
$2.78M Hold
8,200
0.19% 71
2014
Q3
$2.71M Buy
8,200
+100
+1% +$33.1K 0.21% 58
2014
Q2
$2.55M Hold
8,100
0.19% 67
2014
Q1
$2.48M Buy
8,100
+200
+3% +$61.2K 0.19% 68
2013
Q4
$2.21M Hold
7,900
0.23% 76
2013
Q3
$1.9M Buy
+7,900
New +$1.9M 0.26% 61