OAM
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Ostrum Asset Management’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$1.82M Sell
14,525
-183
-1% -$23K 0.09% 207
2025
Q1
$2.01M Sell
14,708
-173
-1% -$23.7K 0.11% 189
2024
Q4
$2.28M Sell
14,881
-7,023
-32% -$1.07M 0.2% 166
2024
Q3
$4.25M Buy
21,904
+167
+0.8% +$32.4K 0.35% 59
2024
Q2
$5.04M Sell
21,737
-1,056
-5% -$245K 0.44% 43
2024
Q1
$4.91M Buy
22,793
+2,483
+12% +$535K 0.39% 55
2023
Q4
$5.26M Buy
20,310
+9,112
+81% +$2.36M 0.46% 43
2023
Q3
$2.88M Buy
11,198
+56
+0.5% +$14.4K 0.27% 107
2023
Q2
$3.17M Buy
11,142
+720
+7% +$205K 0.27% 117
2023
Q1
$2.9M Buy
+10,422
New +$2.9M 0.25% 130
2019
Q1
Sell
-2,163
Closed -$651K 146
2018
Q4
$651K Buy
+2,163
New +$651K 0.26% 113