BS
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Banco Santander’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
Sell
-54,991
Closed -$7.52M 486
2025
Q1
$7.52M Buy
54,991
+7,182
+15% +$983K 0.08% 151
2024
Q4
$7.31M Buy
+47,809
New +$7.31M 0.09% 141
2022
Q2
Sell
-4,904
Closed -$1.03M 374
2022
Q1
$1.03M Buy
4,904
+2,727
+125% +$574K 0.01% 299
2021
Q4
$522K Sell
2,177
-23,487
-92% -$5.63M ﹤0.01% 358
2021
Q3
$7.26M Buy
25,664
+71
+0.3% +$20.1K 0.04% 140
2021
Q2
$8.86M Buy
25,593
+23,821
+1,344% +$8.25M 0.05% 115
2021
Q1
$496K Buy
+1,772
New +$496K ﹤0.01% 318
2020
Q4
Sell
-3,180
Closed -$902K 372
2020
Q3
$902K Sell
3,180
-10,645
-77% -$3.02M 0.01% 238
2020
Q2
$3.7M Sell
13,825
-269,016
-95% -$72M 0.05% 121
2020
Q1
$89.5M Sell
282,841
-10,126
-3% -$3.2M 1.02% 14
2019
Q4
$86.9M Sell
292,967
-49,828
-15% -$14.8M 0.8% 9
2019
Q3
$79.8M Buy
342,795
+339,706
+10,997% +$79.1M 0.78% 11
2019
Q2
$722K Sell
3,089
-352,712
-99% -$82.4M 0.01% 277
2019
Q1
$84.1M Buy
355,801
+204,042
+134% +$48.2M 0.95% 7
2018
Q4
$45.7M Buy
151,759
+71,083
+88% +$21.4M 0.58% 17
2018
Q3
$28.5M Buy
80,676
+77,876
+2,781% +$27.5M 0.33% 34
2018
Q2
$813K Buy
2,800
+349
+14% +$101K 0.01% 240
2018
Q1
$671K Buy
+2,451
New +$671K 0.01% 259
2017
Q3
Sell
-175,000
Closed -$47.5M 184
2017
Q2
$47.5M Buy
+175,000
New +$47.5M 0.93% 12