Pzena Investment Management
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Pzena Investment Management’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2023
Q3
Sell
-1,618
Closed -$461K 162
2023
Q2
$461K Buy
+1,618
New +$461K ﹤0.01% 144
2022
Q4
Sell
-2,384
Closed -$637K 181
2022
Q3
$637K Hold
2,384
﹤0.01% 143
2022
Q2
$486K Hold
2,384
﹤0.01% 144
2022
Q1
$502K Buy
+2,384
New +$502K ﹤0.01% 151
2020
Q4
Sell
-2,857
Closed -$810K 167
2020
Q3
$810K Sell
2,857
-386
-12% -$109K 0.01% 144
2020
Q2
$868K Sell
3,243
-43,908
-93% -$11.8M 0.01% 147
2020
Q1
$14.9M Sell
47,151
-2,519
-5% -$797K 0.11% 105
2019
Q4
$14.7M Buy
49,670
+46,477
+1,456% +$13.8M 0.07% 116
2019
Q3
$743K Buy
3,193
+875
+38% +$204K ﹤0.01% 156
2019
Q2
$542K Sell
2,318
-133
-5% -$31.1K ﹤0.01% 157
2019
Q1
$579K Buy
2,451
+345
+16% +$81.5K ﹤0.01% 155
2018
Q4
$634K Buy
2,106
+242
+13% +$72.9K ﹤0.01% 155
2018
Q3
$659K Buy
1,864
+74
+4% +$26.2K ﹤0.01% 162
2018
Q2
$520K Buy
1,790
+43
+2% +$12.5K ﹤0.01% 150
2018
Q1
$478K Buy
1,747
+816
+88% +$223K ﹤0.01% 146
2017
Q4
$297K Buy
+931
New +$297K ﹤0.01% 151
2017
Q2
Sell
-759
Closed -$208K 153
2017
Q1
$208K Buy
+759
New +$208K ﹤0.01% 153
2016
Q4
Sell
-642
Closed -$201K 159
2016
Q3
$201K Buy
+642
New +$201K ﹤0.01% 149