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Biogen
BIIB

Overview Fund Activity

1,013 hedge funds and large institutions have $59B invested in Biogen in 2017 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 380 increasing their positions, 355 reducing their positions, and 68 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,013
Holders Change
+22
Holders Change %
+2.22%
% of All Funds
25.29%
Holding in Top 10
38
Holding in Top 10 Change
+15
Holding in Top 10 Change %
+65.22%
% of All Funds
0.95%
New
99
Increased
380
Reduced
355
Closed
68
Calls
$974M
Puts
$1.24B
Net Calls
-$269M
Net Calls Change
-$87M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$3.34B
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$2.24B
3
Ameriprise
3
Ameriprise
Minnesota
$723M
4
AQR Capital Management
4
AQR Capital Management
Connecticut
$585M
5
Bank of New York Mellon
5
Bank of New York Mellon
New York
$728M

Top Sellers

1
BlackRock
1
BlackRock
New York
$5.31B
2
D.E. Shaw & Co
2
D.E. Shaw & Co
New York
$191M
3
Renaissance Technologies
3
Renaissance Technologies
New York
$37.6M
4
SIG
4
Senator Investment Group
New York
$0
5
Citadel Advisors
5
Citadel Advisors
Florida
$208M
Name Holding Trade Value Shares
Change 		Shares
Change %
BGIM
126
Brandywine Global Investment Management
Pennsylvania
$57.9M -$2.17M -6,930 -4%
WA
127
WestEnd Advisors
North Carolina
$56.1M -$3.31M -10,572 -6%
NIPH
128
NN Investment Partners Holdings
Netherlands
$55.8M +$12.4M +39,584 +29%
Stifel Financial
129
Stifel Financial
Missouri
$55.6M +$9.05M +28,816 +19%
Credit Agricole
130
Credit Agricole
France
$55M -$16.4M -52,323 -23%
FMI
131
Factory Mutual Insurance
Massachusetts
$54.8M +$20.7M +66,200 +61%
National Pension Service
132
National Pension Service
South Korea
$54.7M +$2.21M +7,138 +4%
Balyasny Asset Management
133
Balyasny Asset Management
Illinois
$50.9M -$31.1M -99,166 -38%
Retirement Systems of Alabama
134
Retirement Systems of Alabama
Alabama
$50.7M +$5.22M +16,676 +11%
1832 Asset Management
135
1832 Asset Management
Ontario, Canada
$49.7M +$8.15M +26,886 +20%
WRF
136
Waddell & Reed Financial
Kansas
$49.7M – – –
Los Angeles Capital Management
137
Los Angeles Capital Management
California
$48.8M +$4.2M +13,422 +9%
Barclays
138
Barclays
United Kingdom
$48.2M -$17.3M -55,128 -26%
Robeco Institutional Asset Management
139
Robeco Institutional Asset Management
Netherlands
$47.5M +$36.3K +116 +0.1%
William Blair Investment Management
140
William Blair Investment Management
Illinois
$47.4M -$16.8M -53,771 -26%
US Bancorp
141
US Bancorp
Minnesota
$47.1M +$5.38M +17,172 +13%
ECP
142
Empyrean Capital Partners
California
$47M – – –
State of Tennessee, Department of Treasury
143
State of Tennessee, Department of Treasury
Tennessee
$46.6M -$12.6M -40,206 -21%
GIA
144
Gateway Investment Advisers
Ohio
$46.5M -$3.57M -11,398 -7%
Ohio Public Employees Retirement System (OPERS)
145
Ohio Public Employees Retirement System (OPERS)
Ohio
$46M +$163K +520 +0.4%
QIM
146
Quantitative Investment Management
Virginia
$45.6M +$34.6M +110,500 +316%
RCAMU
147
Rothschild & Co Asset Management US
Connecticut
$44.9M +$24.8M +79,334 +124%
SRIM
148
Saratoga Research & Investment Management
California
$44.3M +$1.24M +3,947 +3%
Baird Financial Group
149
Baird Financial Group
Wisconsin
$43.5M +$342K +1,091 +0.8%
Nuveen Asset Management
150
Nuveen Asset Management
Illinois
$42.7M +$10.3M +32,989 +32%
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