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738 hedge funds and large institutions have $60.8B invested in Biogen in 2013 Q4 according to their latest regulatory filings, with 121 funds opening new positions, 247 increasing their positions, 264 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed

303% more first-time investments, than exits

New positions opened: 121 | Existing positions closed: 30

54% more funds holding in top 10

Funds holding in top 10: 2437 (+13)

18% more call options, than puts

Call options by funds: $913M | Put options by funds: $771M

16% more capital invested

Capital invested by funds: $52.6B → $60.8B (+$8.27B)

13% more funds holding

Funds holding: 656738 (+82)

6% less repeat investments, than reductions

Existing positions increased: 247 | Existing positions reduced: 264

Holders
738
Holders Change
+82
Holders Change %
+12.5%
% of All Funds
21.42%
Holding in Top 10
37
Holding in Top 10 Change
+13
Holding in Top 10 Change %
+54.17%
% of All Funds
1.07%
New
121
Increased
247
Reduced
264
Closed
30
Calls
$913M
Puts
$771M
Net Calls
+$142M
Net Calls Change
+$212M
Name Holding Trade Value Shares
Change
Change in
Stake
Millennium Management
101
Millennium Management
New York
$66.5M +$57.6M +222,881 +1,502%
SB
102
Suntrust Banks
Georgia
$64.6M -$1.53M -5,904 -2%
USAA
103
United Services Automobile Association
Texas
$64.4M +$514K +1,987 +0.9%
CM
104
Castleark Management
Illinois
$60.6M +$56.1M +216,823 New
NA
105
Navellier & Associates
Nevada
$60.6M -$28.1M -108,796 -33%
BCIM
106
British Columbia Investment Management
British Columbia, Canada
$60.2M +$2.68M +10,351 +5%
EVM
107
Eaton Vance Management
Massachusetts
$59.3M +$26.9M +103,909 +96%
AC
108
Ascend Capital
California
$57.9M +$30.9M +119,519 +137%
Ohio Public Employees Retirement System (OPERS)
109
Ohio Public Employees Retirement System (OPERS)
Ohio
$57.1M +$729K +2,818 +1%
N
110
Natixis
France
$56.1M -$5.23M -20,236 -9%
Canada Life
111
Canada Life
Manitoba, Canada
$54.6M -$10.4M -40,162 -17%
TCM
112
Tekla Capital Management
Massachusetts
$53.7M
SO
113
STRS Ohio
Ohio
$51.7M +$1.89M +7,300 +4%
PAMU
114
Pictet Asset Management (UK)
United Kingdom
$51.1M +$336K +1,300 +0.7%
MCM
115
McKinley Capital Management
Alaska
$50.5M -$21.2K -82 -0%
PI
116
PGGM Investments
Netherlands
$50.5M
GIA
117
Gateway Investment Advisers
Ohio
$50.4M -$153K -590 -0.3%
Chevy Chase Trust
118
Chevy Chase Trust
Maryland
$48.4M +$315K +1,219 +0.7%
Calamos Advisors
119
Calamos Advisors
Illinois
$46.5M -$5.66M -21,899 -12%
U
120
UBS
Switzerland
$46.3M +$3.21M +12,405 +8%
ACI
121
AMP Capital Investors
Australia
$45.7M +$1.73M +6,696 +4%
FCAM
122
F&C Asset Management
United Kingdom
$45.3M +$2.09M +8,085 +5%
DekaBank Deutsche Girozentrale
123
DekaBank Deutsche Girozentrale
Germany
$45.2M +$2.59M +10,020 +7%
Victory Capital Management
124
Victory Capital Management
Texas
$45M -$17M -65,621 -29%
PA
125
Profund Advisors
Maryland
$44.7M +$7.99M +30,890 +24%

BIIB Hedge Fund Activity: Q4 2013 in Review

738 of the 3,446 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q4 2013, worth a combined $60.8B — up 16% from $52.6B a quarter earlier.

Buyers outnumbered sellers: 121 funds opened new BIIB positions and 30 closed out — a net gain of 91 holders — while 247 added to existing stakes and 264 trimmed.

The largest buyer was T. Rowe Price Associates, adding an estimated $213M. The largest seller was JP Morgan Chase, cutting an estimated $493M.

  • 738 institutional investors held Biogen (BIIB) as of Q4 2013, up from 656 in Q3 2013.
  • Funds reported $60.8B of Biogen stock for Q4 2013, up 16% quarter-over-quarter.
  • 121 funds opened new Biogen positions in Q4 2013 and 30 closed out, a net change of +91 holders.
  • The largest Biogen buyer in Q4 2013 was T. Rowe Price Associates, an estimated $213M added.
  • The largest Biogen seller in Q4 2013 was JP Morgan Chase, an estimated $493M sold.

Based on aggregated 13F filings for Q4 2013.