Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$11.3M Buy
+61,600
New +$11.4M 0.25% 79
2025
Q1
Sell
-509,100
Closed -$77.9M 111
2024
Q4
$77.9M Sell
509,100
-303,900
-37% -$51.3M 1.62% 20
2024
Q3
$158M Sell
813,000
-87,900
-10% -$18.4M 2.88% 7
2024
Q2
$209M Hold
900,900
4.15% 6
2024
Q1
$194M Buy
900,900
+73,300
+9% +$17.2M 3.57% 6
2023
Q4
$214M Buy
827,600
+270,800
+49% +$66.5M 4.29% 2
2023
Q3
$143M Hold
556,800
3.07% 5
2023
Q2
$159M Buy
556,800
+51,800
+10% +$15.4M 2.9% 6
2023
Q1
$140M Buy
505,000
+246,800
+96% +$68.3M 2.78% 9
2022
Q4
$71.5M Buy
258,200
+33,600
+15% +$9.49M 1.37% 25
2022
Q3
$60K Buy
224,600
+113,000
+101% +$24M 1.12% 33
2022
Q2
$22.8K Sell
111,600
-6,300
-5% -$1.29M 0.41% 58
2022
Q1
$24.8M Sell
117,900
-112,300
-49% -$24.4M 0.4% 61
2021
Q4
$55.2M Sell
230,200
-4,000
-2% -$1.03M 0.71% 47
2021
Q3
$66.3M Buy
234,200
+166,800
+247% +$54.7M 0.73% 44
2021
Q2
$23.3M Sell
67,400
-14,600
-18% -$4.42M 0.24% 90
2021
Q1
$22.9M Sell
82,000
-447,400
-85% -$121M 0.22% 92
2020
Q4
$130M Sell
529,400
-186,500
-26% -$48.1M 1.14% 23
2020
Q3
$203M Hold
715,900
2.57% 11
2020
Q2
$192M Buy
715,900
+235,500
+49% +$70.8M 2.71% 8
2020
Q1
$152M Buy
480,400
+415,900
+645% +$126M 2.57% 11
2019
Q4
$19.1M Buy
64,500
+28,300
+78% +$7.85M 0.27% 68
2019
Q3
$8.43M Sell
36,200
-51,500
-59% -$12M 0.16% 82
2019
Q2
$20.5M Hold
87,700
0.32% 70
2019
Q1
$20.7M Sell
87,700
-747,549
-90% -$235M 0.33% 72
2018
Q4
$251M Sell
835,249
-75,051
-8% -$24M 4.69% 3
2018
Q3
$322M Sell
910,300
-257,600
-22% -$88.7M 3.89% 3
2018
Q2
$339M Buy
1,167,900
+127,500
+12% +$35.8M 4.07% 2
2018
Q1
$285M Sell
1,040,400
-190,300
-15% -$59.1M 3.56% 5
2017
Q4
$392M Sell
1,230,700
-399,300
-24% -$128M 4.97% 1
2017
Q3
$510M Hold
1,630,000
4.9% 2
2017
Q2
$442M Buy
1,630,000
+193,100
+13% +$51.1M 4.66% 3
2017
Q1
$393M Buy
1,436,900
+155,700
+12% +$44M 4.47% 2
2016
Q4
$363M Sell
1,281,200
-52,700
-4% -$15.6M 4.66% 2
2016
Q3
$418M Sell
1,333,900
-166,500
-11% -$49.3M 4.79% 1
2016
Q2
$363M Sell
1,500,400
-25,900
-2% -$6.83M 3.83% 5
2016
Q1
$397M Buy
1,526,300
+83,800
+6% +$22.1M 4.19% 7
2015
Q4
$442M Buy
1,442,500
+135,100
+10% +$38.8M 4% 5
2015
Q3
$382M Buy
1,307,400
+28,500
+2% +$9.41M 3.86% 7
2015
Q2
$517M Buy
1,278,900
+72,100
+6% +$28.9M 4.36% 1
2015
Q1
$510M Sell
1,206,800
-287,900
-19% -$113M 4.47% 2
2014
Q4
$507M Buy
1,494,700
+304,600
+26% +$98.5M 4.93% 1
2014
Q3
$394M Buy
1,190,100
+105,900
+10% +$34.9M 4.32% 2
2014
Q2
$342M Buy
1,084,200
+23,500
+2% +$7.07M 4.13% 3
2014
Q1
$324M Sell
1,060,700
-34,400
-3% -$10.9M 4.13% 3
2013
Q4
$306M Buy
1,095,100
+68,700
+7% +$17.8M 4.57% 2
2013
Q3
$247M Buy
1,026,400
+600
+0.1% +$134K 4.56% 4
2013
Q2
$221M Buy
+1,025,800
New +$219M 4.98% 3

Other funds holding BIIB