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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 %
NB
301
Norinchukin Bank
Japan
$10.8M -$161K -381 -1%
CGI
302
CI Global Investments
California
$10.6M – – –
MAM
303
Martingale Asset Management
Massachusetts
$10.5M +$859K +2,035 +9%
PPCM
304
Pillar Pacific Capital Management
California
$10.4M -$117K -276 -1%
LPL Financial
305
LPL Financial
California
$10.4M +$1.49M +3,606 +17%
DBG
306
De Burlo Group
Massachusetts
$10.3M +$646K +1,530 +7%
ICAP
307
Independence Capital Asset Partners
Colorado
$10.2M +$10.2M +24,215 New
GPC
308
Glacier Peak Capital
Washington
$10.1M – – –
PP
309
Paloma Partners
Connecticut
$10.1M +$10.1M +23,984 New
TAM
310
Trillium Asset Management
Massachusetts
$10M +$2.29M +5,431 +30%
OI
311
Oakbrook Investments
Illinois
$9.99M -$52.8K -125 -0.5%
AI
312
Analytic Investors
California
$9.94M +$4.17M +9,869 +72%
SIM
313
Sentry Investment Management
Wisconsin
$9.89M +$2.28M +5,409 +30%
DCM
314
Dynamic Capital Management
Jersey
$9.8M +$9.8M +23,200 New
OA
315
Outfitter Advisors
Virginia
$9.66M +$19.4K +46 +0.2%
TMAM
316
Tokio Marine Asset Management
Japan
$9.61M -$2.46M -5,816 -20%
Walleye Trading
317
Walleye Trading
New York
$9.57M +$6.61M +15,655 +224%
SBH
318
Segall Bryant & Hamill
Illinois
$9.54M -$132K -313 -1%
LS
319
Livforsakringsbolaget Skandia
Sweden
$9.53M -$464K -1,100 -5%
RCM
320
Riverhead Capital Management
Delaware
$9.5M -$494K -1,169 -5%
CPS
321
Counsel Portfolio Services
Ontario, Canada
$9.49M +$662K +1,567 +7%
SAM
322
Securian Asset Management
Minnesota
$9.3M +$230K +545 +3%
DC
323
Deere & Company
Illinois
$9.24M -$161K -381 -2%
CL
324
CIM LLC
New York
$9.17M +$9.17M +21,705 New
JG
325
Jefferies Group
New York
$9.14M +$9.14M +21,641 New
11 12
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