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885 hedge funds and large institutions have $72.3B invested in Biogen in 2014 Q4 according to their latest regulatory filings, with 130 funds opening new positions, 343 increasing their positions, 279 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

141% more first-time investments, than exits

New positions opened: 130 | Existing positions closed: 54

27% more funds holding in top 10

Funds holding in top 10: 4152 (+11)

23% more repeat investments, than reductions

Existing positions increased: 343 | Existing positions reduced: 279

8% more funds holding

Funds holding: 819885 (+66)

2% more capital invested

Capital invested by funds: $71B → $72.3B (+$1.3B)

28% less call options, than puts

Call options by funds: $975M | Put options by funds: $1.36B

Holders
885
Holders Change
+66
Holders Change %
+8.06%
% of All Funds
23.59%
Holding in Top 10
52
Holding in Top 10 Change
+11
Holding in Top 10 Change %
+26.83%
% of All Funds
1.39%
New
130
Increased
343
Reduced
279
Closed
54
Calls
$975M
Puts
$1.36B
Net Calls
-$382M
Net Calls Change
+$97.3M
Name Holding Trade Value Shares
Change
Change in
Stake
SMDAM
226
Sumitomo Mitsui DS Asset Management
Japan
$17.7M -$807K -2,496 -5%
MLL
227
Moody Lynn & Lieberson
Massachusetts
$17.4M +$139K +431 +0.8%
PI
228
Placemark Investments
Illinois
$17.3M -$1.89M -5,857 -10%
Balyasny Asset Management
229
Balyasny Asset Management
Illinois
$17.1M +$16.3M +50,393 New
EB
230
Eastern Bank
Massachusetts
$17M +$151K +468 +0.9%
HT
231
HAP Trading
New York
$16.9M +$819K +2,532 +5%
ADEF
232
Adams Diversified Equity Fund
Maryland
$16M
RCAMU
233
Rothschild & Co Asset Management US
Connecticut
$15.5M +$196K +606 +1%
TIM
234
Thornburg Investment Management
New Mexico
$15.5M +$972K +3,005 +7%
RSCM
235
Rock Springs Capital Management
Maryland
$15.4M -$5.13M -15,850 -26%
SB
236
Suntrust Banks
Georgia
$15.4M -$5.43M -16,775 -27%
SAM
237
Shell Asset Management
Netherlands
$15.3M +$1.98M +6,105 +16%
CFB
238
Cullen/Frost Bankers
Texas
$15.1M +$542K +1,674 +4%
RG
239
Redmile Group
California
$14.6M +$13.9M +43,113 New
COPPSERS
240
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$14.6M -$70.8K -219 -0.5%
BKBG
241
BHF Kleinwort Benson Group
Belgium
$14.6M +$632K +1,955 +5%
RI
242
Redwood Investments
Massachusetts
$14.5M -$5.65M -17,478 -29%
Natixis Advisors
243
Natixis Advisors
Massachusetts
$14.4M +$1.54M +4,752 +13%
MIH
244
Madison Investment Holdings
Wisconsin
$14.2M +$6.86M +21,190 +103%
OTPPB
245
Ontario Teachers' Pension Plan Board
Ontario, Canada
$14.1M +$163K +505 +1%
URS
246
Utah Retirement Systems
Utah
$14M
AC
247
Ascend Capital
California
$13.7M -$17.8M -55,083 -58%
IHM
248
Iguana Healthcare Management
New York
$13.6M -$809K -2,500 -6%
CCM
249
Cadian Capital Management
New York
$13.6M +$12.9M +40,000 New
SFM
250
Sphera Funds Management
Israel
$13.6M +$12.9M +40,000 New

BIIB Hedge Fund Activity: Q4 2014 in Review

885 of the 3,751 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q4 2014, worth a combined $72.3B — up 1.8% from $71B a quarter earlier.

Buyers outnumbered sellers: 130 funds opened new BIIB positions and 54 closed out — a net gain of 76 holders — while 343 added to existing stakes and 279 trimmed.

The largest buyer was Wellington Management Group, adding an estimated $326M. The largest seller was Capital Research Global Investors, cutting an estimated $1.67B.

  • 885 institutional investors held Biogen (BIIB) as of Q4 2014, up from 819 in Q3 2014.
  • Funds reported $72.3B of Biogen stock for Q4 2014, up 1.8% quarter-over-quarter.
  • 130 funds opened new Biogen positions in Q4 2014 and 54 closed out, a net change of +76 holders.
  • The largest Biogen buyer in Q4 2014 was Wellington Management Group, an estimated $326M added.
  • The largest Biogen seller in Q4 2014 was Capital Research Global Investors, an estimated $1.67B sold.

Based on aggregated 13F filings for Q4 2014.