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Biogen
BIIB

Overview Fund Activity

1,099 hedge funds and large institutions have $45B invested in Biogen in 2019 Q4 according to their latest regulatory filings, with 202 funds opening new positions, 272 increasing their positions, 469 reducing their positions, and 69 closing their positions.

Holders
1,099
Holders Change
+113
Holders Change %
+11.46%
% of All Funds
21.7%
Holding in Top 10
31
Holding in Top 10 Change
+14
Holding in Top 10 Change %
+82.35%
% of All Funds
0.61%
New
202
Increased
272
Reduced
469
Closed
69
Calls
$1.27B
Puts
$1.82B
Net Calls
-$553M
Net Calls Change
-$242M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$1.38B
2
Primecap Management
2
Primecap Management
California
$4.51B
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$597M
4
Berkshire Hathaway
4
Berkshire Hathaway
Nebraska
$192M
5
AAMU
5
Amundi Asset Management US
Massachusetts
$255M

Top Sellers

1
Invesco
1
Invesco
Georgia
$325M
2
Capital World Investors
2
Capital World Investors
California
$542M
3
ClearBridge Investments
3
ClearBridge Investments
New York
$1.51B
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$470M
5
AllianceBernstein
5
AllianceBernstein
Tennessee
$128M
Name Market Value Shares Shares
Change 		Shares
Change %
GC
76
GMT Capital
Georgia
$82.3M 277,370 +18,280 +7%
Ensign Peak Advisors
77
Ensign Peak Advisors
Utah
$82M 276,302 +276,302 New
Principal Financial Group
78
Principal Financial Group
Iowa
$81M 272,821 -13,414 -5%
RPI
79
Railway Pension Investments
United Kingdom
$80.7M 272,076 +16,755 +7%
Hotchkis & Wiley Capital Management
80
Hotchkis & Wiley Capital Management
California
$80.6M 271,471 +33,399 +14%
UBS Group
81
UBS Group
Switzerland
$80.1M 269,999 -118,267 -30%
APG Asset Management
82
APG Asset Management
Netherlands
$75.6M 285,922 +14,438 +5%
National Pension Service
83
National Pension Service
South Korea
$75.5M 254,305 -1,154 -0.5%
State Board of Administration of Florida Retirement System
84
State Board of Administration of Florida Retirement System
Florida
$75M 252,895 -4,180 -2%
Holocene Advisors
85
Holocene Advisors
New York
$74.2M 249,942 +249,942 New
SRIM
86
Saratoga Research & Investment Management
California
$72.2M 243,419 +1,274 +0.5%
PI
87
Putnam Investments
Massachusetts
$70.6M 238,070 -3,887 -2%
Citadel Advisors
88
Citadel Advisors
Florida
$68.1M 229,597 +85,415 +59%
PHS
89
PFM Health Sciences
California
$67.8M 228,328 +228,328 New
Bank of Montreal
90
Bank of Montreal
Ontario, Canada
$66.9M 225,526 -141,831 -39%
AIMCA
91
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$66M 222,300 +39,300 +21%
BCM
92
Bridgeway Capital Management
Texas
$65.5M 220,875 -28,300 -11%
Susquehanna International Group
93
Susquehanna International Group
Pennsylvania
$65.5M 220,786 -156,910 -42%
Robeco Institutional Asset Management
94
Robeco Institutional Asset Management
Netherlands
$65.3M 220,041 -17,314 -7%
Teacher Retirement System of Texas
95
Teacher Retirement System of Texas
Texas
$65M 218,918 +92,935 +74%
Victory Capital Management
96
Victory Capital Management
Texas
$64.7M 217,934 -290 -0.1%
Canada Life
97
Canada Life
Manitoba, Canada
$64M 217,507 -12,025 -5%
Korea Investment Corp
98
Korea Investment Corp
South Korea
$63M 212,303 +11,100 +6%
AG
99
Aperio Group
California
$62.5M 210,471 -7,336 -3%
Adage Capital Partners
100
Adage Capital Partners
Massachusetts
$61.9M 208,700 +208,700 New
2 3
4
5 6