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1,122 hedge funds and large institutions have $60B invested in Biogen in 2017 Q4 according to their latest regulatory filings, with 167 funds opening new positions, 399 increasing their positions, 384 reducing their positions, and 48 closing their positions.

New
Increased
Maintained
Reduced
Closed

248% more first-time investments, than exits

New positions opened: 167 | Existing positions closed: 48

11% more funds holding

Funds holding: 1,0141,122 (+108)

4% more repeat investments, than reductions

Existing positions increased: 399 | Existing positions reduced: 384

2% more capital invested

Capital invested by funds: $59B → $60B (+$967M)

0.05% less ownership

Funds ownership: 89.15%89.1% (-0.05%)

26% less funds holding in top 10

Funds holding in top 10: 3828 (-10)

32% less call options, than puts

Call options by funds: $989M | Put options by funds: $1.44B

Holders
1,122
Holders Change
+108
Holders Change %
+10.65%
% of All Funds
25.45%
Holding in Top 10
28
Holding in Top 10 Change
-10
Holding in Top 10 Change %
-26.32%
% of All Funds
0.64%
New
167
Increased
399
Reduced
384
Closed
48
Calls
$989M
Puts
$1.44B
Net Calls
-$456M
Net Calls Change
-$187M
Name Holding Trade Value Shares
Change
Change in
Stake
PC
151
Polar Capital
United Kingdom
$39.3M +$24.4M +75,913 +160%
KBC Group
152
KBC Group
Belgium
$39.2M +$13.7M +42,703 +53%
RCAMU
153
Rothschild & Co Asset Management US
Connecticut
$38.4M -$7.4M -23,057 -16%
Temasek Holdings
154
Temasek Holdings
Singapore
$37.8M
Aviva
155
Aviva
United Kingdom
$37.6M -$5.57M -17,373 -13%
ACI
156
AMP Capital Investors
Australia
$37.1M +$5.44M +16,952 +17%
TAM
157
Tocqueville Asset Management
New York
$37M +$1.07M +3,321 +3%
RG
158
Renaissance Group
Kentucky
$35.8M -$2.09M -6,530 -5%
DFO
159
Duquesne Family Office
New York
$34.9M +$19.7M +61,400 +128%
CTB
160
Country Trust Bank
Illinois
$34.6M +$955K +2,978 +3%
Aberdeen Group
161
Aberdeen Group
United Kingdom
$34.5M -$1.67M -5,191 -5%
VRS
162
Virginia Retirement Systems
Virginia
$34.1M -$257K -800 -0.7%
AL
163
AJO LP
Pennsylvania
$32.6M -$4.27M -13,298 -12%
PTC
164
Philadelphia Trust Company
Pennsylvania
$31.9M -$168K -525 -0.5%
Capital World Investors
165
Capital World Investors
California
$31.7M +$31.9M +99,400 New
Fisher Asset Management
166
Fisher Asset Management
Washington
$31.6M -$2.75M -8,584 -8%
N
167
Natixis
France
$31.5M +$8.61M +26,826 +37%
SCP
168
Seizert Capital Partners
Michigan
$31.4M -$242K -755 -0.8%
FQ
169
First Quadrant
California
$30.8M -$4.06M -12,661 -12%
CA
170
Commerzbank Aktiengesellschaft
Germany
$30.3M +$919K +2,865 +3%
AGDR
171
AdamCapital Gestao de Recursos
Brazil
$29.9M +$30.1M +93,843 New
Assenagon Asset Management
172
Assenagon Asset Management
Luxembourg
$29.7M -$96.7M -301,279 -76%
Toronto Dominion Bank
173
Toronto Dominion Bank
Ontario, Canada
$29.5M +$3.94M +12,280 +15%
OAM
174
Origin Asset Management
United Kingdom
$29.5M -$1.22M -3,800 -4%
AGA
175
Altrinsic Global Advisors
Connecticut
$29.3M -$7.63M -23,769 -21%

BIIB Hedge Fund Activity: Q4 2017 in Review

1,122 of the 4,409 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q4 2017, worth a combined $60B — up 1.6% from $59B a quarter earlier.

Buyers outnumbered sellers: 167 funds opened new BIIB positions and 48 closed out — a net gain of 119 holders — while 399 added to existing stakes and 384 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $623M. The largest seller was T. Rowe Price Associates, cutting an estimated $689M.

  • 1,122 institutional investors held Biogen (BIIB) as of Q4 2017, up from 1,014 in Q3 2017.
  • Funds reported $60B of Biogen stock for Q4 2017, up 1.6% quarter-over-quarter.
  • 167 funds opened new Biogen positions in Q4 2017 and 48 closed out, a net change of +119 holders.
  • The largest Biogen buyer in Q4 2017 was Fidelity Investments, an estimated $623M added.
  • The largest Biogen seller in Q4 2017 was T. Rowe Price Associates, an estimated $689M sold.

Based on aggregated 13F filings for Q4 2017.