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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
Hudson Bay Capital Management
1026
Hudson Bay Capital Management
Connecticut
-$20.2M -71,402 Closed
SH
1027
SeaTown Holdings
Singapore
-$14M -49,325 Closed
UONDDL
1028
University of Notre Dame du Lac
Indiana
-$8.64M -30,470 Closed
LFM
1029
Lumina Fund Management
New York
-$8.39M -29,600 Closed
TG
1030
TCW Group
California
-$6.2M -21,850 Closed
SM
1031
Sabby Management
Florida
-$5.67M -20,000 Closed
IG
1032
Ithaka Group
Virginia
-$5.13M -18,091 Closed
Lord, Abbett & Co
1033
Lord, Abbett & Co
New Jersey
-$4.35M -15,339 Closed
GTC
1034
Ghost Tree Capital
New York
-$4.25M -15,000 Closed
CIM
1035
Calvert Investment Management
Maryland
-$3.7M -13,056 Closed
ARTA
1036
A.R.T. Advisors
New York
-$3.46M -12,200 Closed
TCT
1037
TIAA CREF Trust
Missouri
-$3.15M -11,108 Closed
GLAM
1038
Gardner Lewis Asset Management
Pennsylvania
-$2.37M -8,355 Closed
PHK
1039
Point72 Hong Kong
Hong Kong
-$2.19M -7,730 Closed
DCM
1040
Dynamic Capital Management
Jersey
-$2.18M -7,699 Closed
PL
1041
Parkwood LLC
Ohio
-$1.94M -6,854 Closed
SA
1042
Sicart Associates
New York
-$1.93M -6,800 Closed
TI
1043
Trexquant Investment
Connecticut
-$1.84M -6,500 Closed
MC
1044
Middleton & Co
Massachusetts
-$1.77M -6,258 Closed
CM
1045
Crestline Management
Texas
-$1.65M -5,832 Closed
RJA
1046
Robshaw & Julian Associates
New York
-$1.59M -5,620 Closed
SIA
1047
Sit Investment Associates
Minnesota
-$1.51M -5,320 Closed
Handelsbanken Fonder
1048
Handelsbanken Fonder
Sweden
-$1.36M -4,800 Closed
TH
1049
Timber Hill
Connecticut
-$1.31M -4,623 Closed
SCM
1050
Suffolk Capital Management
New York
-$1.25M -4,412 Closed

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.