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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
UBS AM
26
UBS AM
Illinois
$398M -$2.41M -8,514 -0.6%
O
27
OrbiMed
New York
$393M +$44M +155,700 +12%
Massachusetts Financial Services
28
Massachusetts Financial Services
Massachusetts
$370M +$366M +1,295,540 +2,288%
Winslow Capital Management
29
Winslow Capital Management
Minnesota
$345M +$357M +1,262,317 New
Wells Fargo
30
Wells Fargo
California
$313M +$51.6M +182,345 +19%
American Century Companies
31
American Century Companies
Missouri
$295M +$23.1M +81,527 +8%
Legal & General Group
32
Legal & General Group
United Kingdom
$286M +$11.1M +39,220 +4%
AQR Capital Management
33
AQR Capital Management
Connecticut
$285M +$104M +368,587 +55%
O
34
OppenheimerFunds
New York
$280M -$4.73M -16,739 -2%
Morgan Stanley
35
Morgan Stanley
New York
$264M -$826K -2,920 -0.3%
VOYA Investment Management
36
VOYA Investment Management
Georgia
$234M -$6.39M -22,595 -3%
Renaissance Technologies
37
Renaissance Technologies
New York
$232M +$40M +141,466 +20%
Charles Schwab
38
Charles Schwab
California
$230M +$17.2M +60,754 +8%
Citadel Advisors
39
Citadel Advisors
Florida
$216M +$59.2M +209,550 +36%
PI
40
Putnam Investments
Massachusetts
$215M -$6.67M -23,576 -3%
Swiss National Bank
41
Swiss National Bank
Switzerland
$211M +$45.4M +160,600 +26%
DZ Bank
42
DZ Bank
Germany
$208M +$36.5M +128,964 +20%
Prudential Financial
43
Prudential Financial
New Jersey
$200M -$3.77M -13,318 -2%
Manulife (Manufacturers Life Insurance)
44
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$191M +$9.35M +33,057 +5%
Viking Global Investors
45
Viking Global Investors
Connecticut
$188M -$348M -1,230,047 -64%
Macquarie Group
46
Macquarie Group
Australia
$180M -$23.9M -84,461 -11%
PAMU
47
Pictet Asset Management (UK)
United Kingdom
$173M +$4.21M +14,898 +2%
Swedbank
48
Swedbank
Sweden
$172M -$25M -88,277 -12%
Sumitomo Mitsui Trust Group
49
Sumitomo Mitsui Trust Group
Japan
$167M +$152K +537 +0.1%
New York State Common Retirement Fund
50
New York State Common Retirement Fund
New York
$164M +$56.8K +201 +0%

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.