O
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OrbiMed’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q1
Sell
-509,100
Closed -$77.9M 107
2024
Q4
$77.9M Sell
509,100
-303,900
-37% -$46.5M 1.6% 20
2024
Q3
$158M Sell
813,000
-87,900
-10% -$17M 2.86% 7
2024
Q2
$209M Hold
900,900
4.12% 6
2024
Q1
$194M Buy
900,900
+73,300
+9% +$15.8M 3.56% 6
2023
Q4
$214M Buy
827,600
+270,800
+49% +$70.1M 4.28% 2
2023
Q3
$143M Hold
556,800
3.04% 5
2023
Q2
$159M Buy
556,800
+51,800
+10% +$14.8M 2.87% 6
2023
Q1
$140M Buy
505,000
+246,800
+96% +$68.6M 2.76% 9
2022
Q4
$71.5M Buy
258,200
+33,600
+15% +$9.3M 1.37% 25
2022
Q3
$60K Buy
224,600
+113,000
+101% +$30.2K 1.11% 33
2022
Q2
$22.8K Sell
111,600
-6,300
-5% -$1.29K 0.41% 58
2022
Q1
$24.8M Sell
117,900
-112,300
-49% -$23.7M 0.4% 61
2021
Q4
$55.2M Sell
230,200
-4,000
-2% -$960K 0.71% 47
2021
Q3
$66.3M Buy
234,200
+166,800
+247% +$47.2M 0.73% 44
2021
Q2
$23.3M Sell
67,400
-14,600
-18% -$5.06M 0.24% 90
2021
Q1
$22.9M Sell
82,000
-447,400
-85% -$125M 0.21% 92
2020
Q4
$130M Sell
529,400
-186,500
-26% -$45.7M 1.13% 23
2020
Q3
$203M Hold
715,900
2.55% 11
2020
Q2
$192M Buy
715,900
+235,500
+49% +$63M 2.7% 8
2020
Q1
$152M Buy
480,400
+415,900
+645% +$132M 2.55% 11
2019
Q4
$19.1M Buy
64,500
+28,300
+78% +$8.4M 0.27% 68
2019
Q3
$8.43M Sell
36,200
-51,500
-59% -$12M 0.16% 80
2019
Q2
$20.5M Hold
87,700
0.32% 68
2019
Q1
$20.7M Sell
87,700
-747,549
-90% -$177M 0.32% 71
2018
Q4
$251M Sell
835,249
-75,051
-8% -$22.6M 4.65% 3
2018
Q3
$322M Sell
910,300
-257,600
-22% -$91M 3.87% 3
2018
Q2
$339M Buy
1,167,900
+127,500
+12% +$37M 4.04% 2
2018
Q1
$285M Sell
1,040,400
-190,300
-15% -$52.1M 3.53% 5
2017
Q4
$392M Sell
1,230,700
-399,300
-24% -$127M 4.96% 1
2017
Q3
$510M Hold
1,630,000
4.88% 2
2017
Q2
$442M Buy
1,630,000
+193,100
+13% +$52.4M 4.64% 3
2017
Q1
$393M Buy
1,436,900
+155,700
+12% +$42.6M 4.45% 2
2016
Q4
$363M Sell
1,281,200
-52,700
-4% -$14.9M 4.63% 2
2016
Q3
$418M Sell
1,333,900
-166,500
-11% -$52.1M 4.76% 1
2016
Q2
$363M Sell
1,500,400
-25,900
-2% -$6.26M 3.79% 5
2016
Q1
$397M Buy
1,526,300
+83,800
+6% +$21.8M 4.18% 7
2015
Q4
$442M Buy
1,442,500
+135,100
+10% +$41.4M 4% 5
2015
Q3
$382M Buy
1,307,400
+28,500
+2% +$8.32M 3.85% 7
2015
Q2
$517M Buy
1,278,900
+72,100
+6% +$29.1M 4.32% 1
2015
Q1
$510M Sell
1,206,800
-287,900
-19% -$122M 4.35% 2
2014
Q4
$507M Buy
1,494,700
+304,600
+26% +$103M 4.85% 1
2014
Q3
$394M Buy
1,190,100
+105,900
+10% +$35M 4.11% 2
2014
Q2
$342M Buy
1,084,200
+23,500
+2% +$7.41M 4.01% 3
2014
Q1
$324M Sell
1,060,700
-34,400
-3% -$10.5M 3.99% 3
2013
Q4
$306M Buy
1,095,100
+68,700
+7% +$19.2M 4.5% 2
2013
Q3
$247M Buy
1,026,400
+600
+0.1% +$144K 4.41% 4
2013
Q2
$221M Buy
+1,025,800
New +$221M 4.68% 3