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
Name Holding Trade Value Shares
Change
Shares
Change %
BIM
226
BRC Investment Management
Colorado
$22.2M -$4.05M -9,595 -15%
Nuveen Asset Management
227
Nuveen Asset Management
Illinois
$21.9M -$7.65M -18,118 -26%
MLL
228
Moody Lynn & Lieberson
Massachusetts
$21.5M -$184K -436 -0.8%
CCM
229
Cadian Capital Management
New York
$21.1M +$4.22M +10,000 +25%
SMDAM
230
Sumitomo Mitsui DS Asset Management
Japan
$20.9M -$1.1M -2,599 -5%
TRSOTSOK
231
Teachers Retirement System of the State of Kentucky
Kentucky
$20.7M +$5.53M +13,094 +36%
GF
232
Gabelli Funds
New York
$20.7M -$2.24M -5,300 -10%
SB
233
Suntrust Banks
Georgia
$20.1M +$966K +2,287 +5%
Parallax Volatility Advisers
234
Parallax Volatility Advisers
California
$19.9M +$17.7M +41,909 +809%
ADEF
235
Adams Diversified Equity Fund
Maryland
$19.8M
CFB
236
Cullen/Frost Bankers
Texas
$19.7M +$877K +2,077 +5%
PC
237
Passport Capital
California
$19.5M +$19.5M +46,268 New
HJMC
238
Hellman Jordan Management Company
Massachusetts
$19.4M -$30M -70,980 -61%
Mackenzie Financial
239
Mackenzie Financial
Ontario, Canada
$19.3M -$3.23M -7,655 -14%
CI Investments Inc
240
CI Investments Inc
Ontario, Canada
$18.8M +$18.8M +44,600 New
CPIM
241
Columbia Partners Investment Management
Virginia
$18.6M +$2.19M +5,181 +13%
Natixis Advisors
242
Natixis Advisors
Massachusetts
$18.5M +$573K +1,356 +3%
BTS
243
BB&T Securities
Virginia
$18.3M +$3.92M +929 +27%
TIM
244
Thornburg Investment Management
New Mexico
$18.2M -$1.11M -2,620 -6%
Lazard Asset Management
245
Lazard Asset Management
New York
$18.1M -$5.87M -13,914 -24%
DILH
246
Dai-ichi Life Holdings
Japan
$18M +$1.34M +3,167 +8%
URS
247
Utah Retirement Systems
Utah
$18M +$591K +1,400 +3%
IG
248
Ithaka Group
Virginia
$17.6M +$4.94M +11,689 +39%
OTPPB
249
Ontario Teachers' Pension Plan Board
Ontario, Canada
$17.5M
GH
250
GAM Holding
Switzerland
$17.4M -$9.6M -22,738 -36%