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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
American Century Companies
26
American Century Companies
Missouri
$710M -$90.5M -229,704 -12%
TCIM
27
TIAA CREF Investment Management
New York
$706M -$158M -401,883 -19%
Norges Bank
28
Norges Bank
Norway
$697M +$1.88M +4,782 +0.3%
Capital World Investors
29
Capital World Investors
California
$643M -$73.6M -186,800 -11%
Massachusetts Financial Services
30
Massachusetts Financial Services
Massachusetts
$631M +$18.7M +47,443 +3%
O
31
OppenheimerFunds
New York
$592M -$47.4M -120,340 -8%
Morgan Stanley
32
Morgan Stanley
New York
$556M -$98.8M -250,581 -16%
Goldman Sachs
33
Goldman Sachs
New York
$534M -$212M -538,044 -30%
O
34
OrbiMed
New York
$510M -$113M -287,900 -19%
UBS AM
35
UBS AM
Illinois
$495M -$21M -53,191 -4%
Deutsche Bank
36
Deutsche Bank
Germany
$467M +$61.8M +156,688 +16%
MAA
37
Managed Account Advisors
New Jersey
$449M +$9.79M +24,829 +2%
JSP
38
Jackson Square Partners
California
$438M +$409M +1,038,322 New
Legal & General Group
39
Legal & General Group
United Kingdom
$396M -$1.22M -3,108 -0.3%
D.E. Shaw & Co
40
D.E. Shaw & Co
New York
$385M +$281M +712,993 +357%
Allianz Asset Management
41
Allianz Asset Management
Germany
$377M +$24.6M +62,413 +8%
FAM
42
Fred Alger Management
New York
$360M +$99.5M +252,392 +42%
MC
43
Montag & Caldwell
Georgia
$355M -$32.6M -82,632 -9%
AQR Capital Management
44
AQR Capital Management
Connecticut
$352M -$145M -367,044 -31%
Prudential Financial
45
Prudential Financial
New Jersey
$337M -$13.1M -33,320 -4%
DCP
46
DSM Capital Partners
Florida
$329M -$46.6M -118,147 -13%
New York State Common Retirement Fund
47
New York State Common Retirement Fund
New York
$320M -$9.62M -24,404 -3%
BA
48
BlackRock Advisors
Delaware
$306M -$21.7M -55,059 -7%
BlackRock
49
BlackRock
New York
$301M -$2.13M -5,410 -0.8%
Charles Schwab
50
Charles Schwab
California
$294M +$13M +33,022 +5%

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.