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Biogen
BIIB

Overview Fund Activity

656 hedge funds and large institutions have $52.6B invested in Biogen in 2013 Q3 according to their latest regulatory filings, with 73 funds opening new positions, 227 increasing their positions, 253 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
656
Holders Change
+10
Holders Change %
+1.55%
% of All Funds
21.28%
Holding in Top 10
24
Holding in Top 10 Change
-5
Holding in Top 10 Change %
-17.24%
% of All Funds
0.78%
New
73
Increased
227
Reduced
253
Closed
54
Calls
$619M
Puts
$689M
Net Calls
-$69.9M
Net Calls Change
+$9.03M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
+$508M
2
Deutsche Bank
Deutsche Bank
Germany
+$192M
3
O
OppenheimerFunds
New York
+$128M
4
Invesco
Invesco
Georgia
+$116M
5
BFA
BlackRock Fund Advisors
California
+$112M

Top Sellers

1
MCM
Marsico Capital Management
Colorado
-$270M
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
-$243M
3
Viking Global Investors
Viking Global Investors
Connecticut
-$163M
4
AllianceBernstein
AllianceBernstein
Tennessee
-$148M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
-$127M
Name Holding Trade Value Shares
Change 		Shares
Change %
Connor, Clark & Lunn Investment Management (CC&L)
276
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$4.81M +$3.22M +13,000 +202%
KRS
277
Kentucky Retirement Systems
Kentucky
$4.75M +$4.75M +19,742 New
KeyBank National Association
278
KeyBank National Association
Ohio
$4.67M -$59.4M -246,809 -93%
SLI
279
Sumitomo Life Insurance
Japan
$4.58M +$429K +1,781 +10%
PI
280
PineBridge Investments
New York
$4.51M -$4.98M -20,689 -53%
AMI
281
Amica Mutual Insurance
Rhode Island
$4.47M – – –
RIM
282
RS Investment Management
California
$4.45M -$100K -417 -2%
AAM
283
Advisors Asset Management
Colorado
$4.32M -$457K -1,900 -10%
Nordea Investment Management
284
Nordea Investment Management
Sweden
$4.32M – – –
DIA
285
Denver Investment Advisors
Colorado
$4.29M -$111K -457 -3%
SGAM
286
Smith Group Asset Management
Texas
$4.25M – – –
AT
287
Arden Trust
Delaware
$4.08M -$3.05M -12,684 -43%
SNC
288
Stifel Nicolaus & Co
Missouri
$4.08M +$127K +529 +3%
BCAM
289
Boston Common Asset Management
Massachusetts
$3.9M +$40K +166 +1%
SBH
290
Segall Bryant & Hamill
Illinois
$3.84M -$46.5K -193 -1%
SCM
291
Sterling Capital Management
North Carolina
$3.75M +$3.75M +15,586 New
US Bancorp
292
US Bancorp
Minnesota
$3.65M -$281K -1,167 -7%
Millennium Management
293
Millennium Management
New York
$3.57M -$5.02M -20,853 -58%
V
294
Veritable
Delaware
$3.55M -$563K -2,340 -14%
Lord, Abbett & Co
295
Lord, Abbett & Co
New Jersey
$3.47M +$11.6K +48 +0.3%
LMGAM
296
Liberty Mutual Group Asset Management
Massachusetts
$3.46M +$725K +3,010 +27%
Brown Advisory
297
Brown Advisory
Maryland
$3.44M -$22.1K -92 -0.6%
MCM
298
Matterhorn Capital Management
Texas
$3.36M +$3.36M +13,954 New
NLI
299
Nippon Life Insurance
Japan
$3.27M -$379K -1,574 -10%
PSUF
300
People's United Financial
Connecticut
$3.26M +$2.49M +10,336 +321%
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