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Biogen
BIIB

Overview Fund Activity

965 hedge funds and large institutions have $90B invested in Biogen in 2015 Q1 according to their latest regulatory filings, with 132 funds opening new positions, 336 increasing their positions, 371 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
965
Holders Change
+81
Holders Change %
+9.16%
% of All Funds
25.74%
Holding in Top 10
68
Holding in Top 10 Change
+16
Holding in Top 10 Change %
+30.77%
% of All Funds
1.81%
New
132
Increased
336
Reduced
371
Closed
42
Calls
$1.06B
Puts
$1.64B
Net Calls
-$582M
Net Calls Change
-$200M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$9.31B
2
JSP
Jackson Square Partners
California
$438M
3
Wellington Management Group
Wellington Management Group
Massachusetts
$1.46B
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
$385M
5
IC
Institutional Capital
Illinois
$279M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$4.56B
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$2.47B
3
Primecap Management
Primecap Management
California
$6.99B
4
Goldman Sachs
Goldman Sachs
New York
$534M
5
Jennison Associates
Jennison Associates
New York
$2.15B
Name Holding Trade Value Shares
Change 		Shares
Change %
EAM
276
EULAV Asset Management
Florida
$13.5M – – –
N
277
Natixis
France
$13.2M +$13.2M +31,323 New
BPC
278
Banque Pictet & Cie
Switzerland
$13.2M +$263K +622 +2%
TAM
279
Tocqueville Asset Management
New York
$13.2M +$2.95M +6,988 +29%
CB
280
Commerce Bank
Missouri
$13.1M -$2.53K -6 -0%
Renaissance Technologies
281
Renaissance Technologies
New York
$12.8M -$14.7M -34,861 -53%
MSA
282
Mason Street Advisors
Wisconsin
$12.8M -$40.1M -95,006 -76%
PMAM
283
Picton Mahoney Asset Management
Ontario, Canada
$12.6M +$12.6M +29,800 New
MCM
284
Mitchell Capital Management
Kansas
$12.5M -$3.81M -9,025 -23%
ARTA
285
A.R.T. Advisors
New York
$12.4M +$12.4M +29,427 New
MOACM
286
Mutual of America Capital Management
New York
$12.3M -$398K -942 -3%
AL
287
Airain Ltd
Guernsey
$12.1M +$1.14M +2,696 +10%
QI
288
Quotient Investors
New York
$12.1M +$5.53M +13,100 +84%
BA
289
Boston Advisors
Massachusetts
$12M +$621K +1,470 +5%
OAM
290
Oxford Asset Management
United Kingdom
$11.8M +$4.95M +11,727 +72%
FLPIM
291
F.L. Putnam Investment Management
Massachusetts
$11.7M +$1.5M +3,556 +15%
NMERB
292
New Mexico Educational Retirement Board
New Mexico
$11.6M -$507K -1,200 -4%
CIBC Asset Management
293
CIBC Asset Management
Ontario, Canada
$11.6M +$759K +1,798 +7%
ZA
294
Zweig Advisers
Connecticut
$11.5M -$1.48M -3,500 -11%
RIM
295
RS Investment Management
California
$11.5M +$11M +25,979 +2,133%
COPPSERS
296
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$11.4M -$6.83M -16,174 -38%
Balyasny Asset Management
297
Balyasny Asset Management
Illinois
$11.4M -$9.92M -23,483 -47%
WAM
298
World Asset Management
Michigan
$11.3M -$151K -358 -1%
CC
299
Curian Capital
Colorado
$11.1M -$2.39M -5,658 -18%
William Blair & Company
300
William Blair & Company
Illinois
$11M +$3.74M +8,849 +52%
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