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Biogen
BIIB

Overview Fund Activity

1,056 hedge funds and large institutions have $31.7B invested in Biogen in 2020 Q4 according to their latest regulatory filings, with 170 funds opening new positions, 287 increasing their positions, 430 reducing their positions, and 148 closing their positions.

Holders
1,056
Holders Change
+9
Holders Change %
+0.86%
% of All Funds
18.74%
Holding in Top 10
7
Holding in Top 10 Change
-11
Holding in Top 10 Change %
-61.11%
% of All Funds
0.12%
New
170
Increased
287
Reduced
430
Closed
148
Calls
$1.98B
Puts
$1.64B
Net Calls
+$341M
Net Calls Change
+$456M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$1.42B
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$485M
3
JPMorgan Chase & Co
3
JPMorgan Chase & Co
New York
$713M
4
BG
4
Bellevue Group
Switzerland
$138M
5
DM
5
Deerfield Management
New York
$110M

Top Sellers

1
AQR Capital Management
1
AQR Capital Management
Connecticut
$245M
2
BlackRock
2
BlackRock
New York
$3.29B
3
Renaissance Technologies
3
Renaissance Technologies
New York
$744M
4
State Street
4
State Street
Massachusetts
$1.71B
5
KBC Group
5
KBC Group
Belgium
$132M
Name Market Value Shares Shares
Change 		Shares
Change %
CS
51
Candriam SCA
Luxembourg
$95.7M 390,870 +23,281 +6%
California Public Employees Retirement System
52
California Public Employees Retirement System
California
$94.9M 387,722 +8,375 +2%
CS
53
Credit Suisse
Switzerland
$93.1M 380,259 -14,360 -4%
Royal Bank of Canada
54
Royal Bank of Canada
Ontario, Canada
$92.8M 379,034 -40,757 -10%
MWNA
55
Marshall Wace North America
New York
$88.9M 362,882 +221,548 +157%
Allianz Asset Management
56
Allianz Asset Management
Germany
$86.8M 354,554 +48,058 +16%
Citadel Advisors
57
Citadel Advisors
Florida
$85.7M 349,894 +326,285 +1,382%
RPI
58
Railway Pension Investments
United Kingdom
$84.3M 344,276 +3,100 +0.9%
Robeco Institutional Asset Management
59
Robeco Institutional Asset Management
Netherlands
$79.5M 324,499 -238,567 -42%
Arrowstreet Capital
60
Arrowstreet Capital
Massachusetts
$77.5M 316,606 +18,301 +6%
New York State Common Retirement Fund
61
New York State Common Retirement Fund
New York
$76.9M 314,084 -26,904 -8%
Skandinaviska Enskilda Banken (SEB)
62
Skandinaviska Enskilda Banken (SEB)
Sweden
$76.1M 310,908 -17,748 -5%
RhumbLine Advisers
63
RhumbLine Advisers
Massachusetts
$75.8M 309,476 -43,308 -12%
California State Teachers Retirement System (CalSTRS)
64
California State Teachers Retirement System (CalSTRS)
California
$72.6M 296,506 -39,337 -12%
Canada Life
65
Canada Life
Manitoba, Canada
$72.2M 295,699 -12,813 -4%
Citigroup
66
Citigroup
New York
$71.8M 293,250 +96,447 +49%
Boston Partners
67
Boston Partners
Massachusetts
$71.7M 292,815 +950 +0.3%
Schroder Investment Management Group
68
Schroder Investment Management Group
United Kingdom
$68.5M 279,608 -162,832 -37%
AllianceBernstein
69
AllianceBernstein
Tennessee
$67.8M 276,975 +5,955 +2%
Bank of Montreal
70
Bank of Montreal
Ontario, Canada
$67.1M 250,807 +53,701 +27%
HSBC Holdings
71
HSBC Holdings
United Kingdom
$65.8M 269,942 +38,382 +17%
BNP Paribas Asset Management
72
BNP Paribas Asset Management
France
$63.4M 258,721 +8,414 +3%
AC
73
Armistice Capital
New York
$63.2M 258,000 +158,000 +158%
National Pension Service
74
National Pension Service
South Korea
$62.4M 254,748 +4,961 +2%
Assenagon Asset Management
75
Assenagon Asset Management
Luxembourg
$61.4M 250,846 +117,207 +88%
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