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1,019 hedge funds and large institutions have $51.5B invested in Biogen in 2017 Q1 according to their latest regulatory filings, with 90 funds opening new positions, 390 increasing their positions, 395 reducing their positions, and 83 closing their positions.

New
Increased
Maintained
Reduced
Closed

8% more first-time investments, than exits

New positions opened: 90 | Existing positions closed: 83

0.03% more ownership

Funds ownership: 87.15%87.17% (+0.03%)

1% less funds holding

Funds holding: 1,0251,019 (-6)

1% less repeat investments, than reductions

Existing positions increased: 390 | Existing positions reduced: 395

4% less capital invested

Capital invested by funds: $53.8B → $51.5B (-$2.28B)

25% less call options, than puts

Call options by funds: $808M | Put options by funds: $1.07B

34% less funds holding in top 10

Funds holding in top 10: 4127 (-14)

Holders
1,019
Holders Change
-6
Holders Change %
-0.59%
% of All Funds
25.37%
Holding in Top 10
27
Holding in Top 10 Change
-14
Holding in Top 10 Change %
-34.15%
% of All Funds
0.67%
New
90
Increased
390
Reduced
395
Closed
83
Calls
$808M
Puts
$1.07B
Net Calls
-$265M
Net Calls Change
-$42.8M
Name Holding Trade Value Shares
Change
Change in
Stake
State of Wisconsin Investment Board
126
State of Wisconsin Investment Board
Wisconsin
$50.8M -$18.9M -66,861 -26%
UBS Group
127
UBS Group
Switzerland
$47.9M +$264K +932 +0.5%
CS
128
Candriam SCA
Luxembourg
$47.8M -$2.15M -7,596 -4%
Millennium Management
129
Millennium Management
New York
$47M -$89.3M -315,771 -65%
ProShare Advisors
130
ProShare Advisors
Maryland
$45M -$3M -10,621 -6%
First Trust Advisors
131
First Trust Advisors
Illinois
$43.8M -$11M -39,000 -20%
Barclays
132
Barclays
United Kingdom
$43.6M -$2.14M -7,558 -5%
WCM
133
Wedge Capital Management
North Carolina
$43.1M -$7M -24,751 -14%
Robeco Institutional Asset Management
134
Robeco Institutional Asset Management
Netherlands
$42.6M +$3.3M +11,670 +8%
Korea Investment Corp
135
Korea Investment Corp
South Korea
$42.2M -$50.7M -179,472 -54%
National Pension Service
136
National Pension Service
South Korea
$41.8M +$284K +1,004 +0.6%
Ohio Public Employees Retirement System (OPERS)
137
Ohio Public Employees Retirement System (OPERS)
Ohio
$41M
NIPH
138
NN Investment Partners Holdings
Netherlands
$40.9M +$1.08M +3,828 +3%
CCI
139
Columbus Circle Investors
$40.8M +$8.67M +30,667 +26%
Retirement Systems of Alabama
140
Retirement Systems of Alabama
Alabama
$39.9M -$502K -1,777 -1%
CC
141
Carlson Capital
Texas
$39.6M -$11.4M -40,357 -22%
GIA
142
Gateway Investment Advisers
Ohio
$39.6M -$1.99M -7,042 -5%
MWNA
143
Marshall Wace North America
New York
$38.4M +$39.8M +140,709 New
Baird Financial Group
144
Baird Financial Group
Wisconsin
$38.1M +$10.5M +36,975 +36%
Aviva
145
Aviva
United Kingdom
$36.8M -$2.54M -8,967 -6%
Citigroup
146
Citigroup
New York
$36.6M -$27.6M -97,682 -42%
Jennison Associates
147
Jennison Associates
New York
$36.6M -$2.37M -8,373 -6%
N
148
Nuveen
North Carolina
$34.9M -$5.18M -18,327 -13%
SRIM
149
Saratoga Research & Investment Management
California
$34.5M +$1.67M +5,896 +5%
US Bancorp
150
US Bancorp
Minnesota
$34.5M -$813K -2,875 -2%

BIIB Hedge Fund Activity: Q1 2017 in Review

1,019 of the 4,017 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q1 2017, worth a combined $51.5B — down 4.2% from $53.8B a quarter earlier.

Buyers outnumbered sellers: 90 funds opened new BIIB positions and 83 closed out — a net gain of 7 holders — while 390 added to existing stakes and 395 trimmed.

The largest buyer was BlackRock, adding an estimated $4.83B. The largest seller was Fidelity Investments, cutting an estimated $752M.

  • 1,019 institutional investors held Biogen (BIIB) as of Q1 2017, down from 1,025 in Q4 2016.
  • Funds reported $51.5B of Biogen stock for Q1 2017, down 4.2% quarter-over-quarter.
  • 90 funds opened new Biogen positions in Q1 2017 and 83 closed out, a net change of +7 holders.
  • The largest Biogen buyer in Q1 2017 was BlackRock, an estimated $4.83B added.
  • The largest Biogen seller in Q1 2017 was Fidelity Investments, an estimated $752M sold.

Based on aggregated 13F filings for Q1 2017.