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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 %
Millennium Management
76
Millennium Management
New York
$61.1M 249,416 -28,043 -10%
TCM
77
Tekla Capital Management
Massachusetts
$60.4M 246,844 +33,091 +15%
SRIM
78
Saratoga Research & Investment Management
California
$60.4M 246,700 +7,625 +3%
Jane Street
79
Jane Street
New York
$59.9M 244,811 +129,054 +111%
AssetMark Inc
80
AssetMark Inc
California
$59.6M 243,286 +15,165 +7%
PAI
81
Palo Alto Investors
California
$57.4M 234,300 +234,300 New
UBS Group
82
UBS Group
Switzerland
$57.1M 233,265 +97,735 +72%
Mitsubishi UFJ Trust & Banking
83
Mitsubishi UFJ Trust & Banking
Japan
$56.6M 231,304 +128 +0.1%
New York State Teachers Retirement System (NYSTRS)
84
New York State Teachers Retirement System (NYSTRS)
New York
$56.6M 231,081 -17,683 -7%
PAM
85
Panagora Asset Management
Massachusetts
$56M 228,847 +27,700 +14%
Korea Investment Corp
86
Korea Investment Corp
South Korea
$55.3M 225,982 +35,879 +19%
State Board of Administration of Florida Retirement System
87
State Board of Administration of Florida Retirement System
Florida
$53.8M 219,523 -14,261 -6%
RG
88
Redmile Group
California
$53M 216,247 -111,200 -34%
DekaBank Deutsche Girozentrale
89
DekaBank Deutsche Girozentrale
Germany
$52.4M 214,351 -21,903 -9%
PI
90
PEAK6 Investments
Illinois
$49.4M 201,922 +130,144 +181%
CCM
91
Camber Capital Management
Massachusetts
$49M 200,000 +200,000 New
Hotchkis & Wiley Capital Management
92
Hotchkis & Wiley Capital Management
California
$48.8M 199,411 -4,900 -2%
Point72 Asset Management
93
Point72 Asset Management
Connecticut
$48.7M 198,760 +82,817 +71%
Principal Financial Group
94
Principal Financial Group
Iowa
$48.6M 198,390 -20,248 -9%
Russell Investments Group
95
Russell Investments Group
United Kingdom
$48.3M 197,933 -31,572 -14%
EAM
96
Erste Asset Management
Austria
$48M 196,922 +144,825 +278%
State of Wisconsin Investment Board
97
State of Wisconsin Investment Board
Wisconsin
$45.9M 187,435 +68,634 +58%
Victory Capital Management
98
Victory Capital Management
Texas
$45.5M 185,955 -11,300 -6%
Envestnet Asset Management
99
Envestnet Asset Management
Illinois
$44.6M 182,206 -9,822 -5%
ProShare Advisors
100
ProShare Advisors
Maryland
$43.6M 177,939 +20,770 +13%
2 3
4
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