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966 hedge funds and large institutions have $90B invested in Biogen in 2015 Q1 according to their latest regulatory filings, with 133 funds opening new positions, 336 increasing their positions, 371 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed

217% more first-time investments, than exits

New positions opened: 133 | Existing positions closed: 42

31% more funds holding in top 10

Funds holding in top 10: 5268 (+16)

25% more capital invested

Capital invested by funds: $72.3B → $90B (+$17.7B)

9% more funds holding

Funds holding: 884966 (+82)

9% less repeat investments, than reductions

Existing positions increased: 336 | Existing positions reduced: 371

35% less call options, than puts

Call options by funds: $1.06B | Put options by funds: $1.64B

Holders
966
Holders Change
+82
Holders Change %
+9.28%
% 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
133
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
Change in
Stake
Macquarie Group
76
Macquarie Group
Australia
$179M +$135M +341,417 +417%
Axa
77
Axa
France
$176M +$17.3M +43,974 +12%
HSBC Holdings
78
HSBC Holdings
United Kingdom
$166M +$10.6M +26,769 +7%
RhumbLine Advisers
79
RhumbLine Advisers
Massachusetts
$165M -$2.7M -6,863 -2%
Barclays
80
Barclays
United Kingdom
$163M +$49.6M +125,855 +48%
Swiss National Bank
81
Swiss National Bank
Switzerland
$152M +$55.4M +140,500 +64%
GC
82
Guggenheim Capital
Illinois
$151M +$21.3M +54,087 +18%
VAM
83
Vontobel Asset Management
New York
$145M +$1.3M +3,290 +1%
First Trust Advisors
84
First Trust Advisors
Illinois
$144M -$16.5M -41,881 -11%
Dimensional Fund Advisors
85
Dimensional Fund Advisors
Texas
$144M +$3.95M +10,033 +3%
TCM
86
Tekla Capital Management
Massachusetts
$143M +$4.81M +12,200 +4%
NFA
87
Nationwide Fund Advisors
Ohio
$141M +$13.8M +34,944 +12%
MTB
88
Mizuho Trust & Banking
Japan
$139M +$6.56M +16,638 +5%
Westfield Capital Management
89
Westfield Capital Management
Massachusetts
$135M +$126M +319,311 +46,277%
State Board of Administration of Florida Retirement System
90
State Board of Administration of Florida Retirement System
Florida
$132M -$13.2M -33,602 -10%
TA
91
Teachers Advisors
New York
$132M -$55.3M -140,313 -31%
Principal Financial Group
92
Principal Financial Group
Iowa
$132M -$10.1M -25,710 -8%
RFC
93
Russell Frank Company
Washington
$130M -$3.88M -9,841 -3%
BNP Paribas Asset Management
94
BNP Paribas Asset Management
France
$124M +$43.4M +110,127 +60%
BJ
95
BlackRock Japan
Japan
$121M -$12.8M -32,563 -10%
WA
96
WestEnd Advisors
North Carolina
$118M -$10.9M -27,710 -9%
Swedbank
97
Swedbank
Sweden
$114M +$107M +271,106 New
CNB
98
City National Bank
California
$114M +$4.3M +10,900 +4%
TD Asset Management
99
TD Asset Management
Ontario, Canada
$114M -$6.48M -16,436 -6%
SEI Investments
100
SEI Investments
Pennsylvania
$111M -$27.9M -70,754 -21%

BIIB Hedge Fund Activity: Q1 2015 in Review

966 of the 3,753 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q1 2015, worth a combined $90B — up 25% from $72.3B a quarter earlier.

Buyers outnumbered sellers: 133 funds opened new BIIB positions and 42 closed out — a net gain of 91 holders — while 336 added to existing stakes and 371 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $888M. The largest seller was T. Rowe Price Associates, cutting an estimated $546M.

  • 966 institutional investors held Biogen (BIIB) as of Q1 2015, up from 884 in Q4 2014.
  • Funds reported $90B of Biogen stock for Q1 2015, up 25% quarter-over-quarter.
  • 133 funds opened new Biogen positions in Q1 2015 and 42 closed out, a net change of +91 holders.
  • The largest Biogen buyer in Q1 2015 was Fidelity Investments, an estimated $888M added.
  • The largest Biogen seller in Q1 2015 was T. Rowe Price Associates, an estimated $546M sold.

Based on aggregated 13F filings for Q1 2015.