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1,084 hedge funds and large institutions have $40.6B invested in Biogen in 2019 Q1 according to their latest regulatory filings, with 119 funds opening new positions, 389 increasing their positions, 437 reducing their positions, and 164 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.4% more ownership

Funds ownership: 87.24%87.63% (+0.4%)

5% less funds holding

Funds holding: 1,1401,084 (-56)

10% less call options, than puts

Call options by funds: $1.15B | Put options by funds: $1.28B

11% less repeat investments, than reductions

Existing positions increased: 389 | Existing positions reduced: 437

22% less capital invested

Capital invested by funds: $52.2B → $40.6B (-$11.6B)

24% less funds holding in top 10

Funds holding in top 10: 2922 (-7)

27% less first-time investments, than exits

New positions opened: 119 | Existing positions closed: 164

Holders
1,084
Holders Change
-56
Holders Change %
-4.91%
% of All Funds
23.46%
Holding in Top 10
22
Holding in Top 10 Change
-7
Holding in Top 10 Change %
-24.14%
% of All Funds
0.48%
New
119
Increased
389
Reduced
437
Closed
164
Calls
$1.15B
Puts
$1.28B
Net Calls
-$132M
Net Calls Change
+$215M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$3.85B -$87M -276,211 -2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$3.55B -$48.9M -155,136 -1%
Primecap Management
3
Primecap Management
California
$3.45B -$40.9M -129,835 -0.9%
State Street
4
State Street
Massachusetts
$2.07B -$8.28M -26,299 -0.3%
ClearBridge Investments
5
ClearBridge Investments
New York
$2.03B -$43.3M -137,488 -2%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$1.23B -$60.5M -192,089 -4%
Capital World Investors
7
Capital World Investors
California
$1.16B +$279M +886,293 +22%
AQR Capital Management
8
AQR Capital Management
Connecticut
$992M +$335M +1,063,775 +34%
Invesco
9
Invesco
Georgia
$764M +$33.3M +105,853 +3%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$718M +$104M +329,614 +12%
Northern Trust
11
Northern Trust
Illinois
$685M -$2.56M -8,139 -0.3%
Fidelity Investments
12
Fidelity Investments
Massachusetts
$603M -$352M -1,119,400 -30%
AllianceBernstein
13
AllianceBernstein
Tennessee
$592M -$103M -326,692 -12%
Deutsche Bank
14
Deutsche Bank
Germany
$500M +$275M +871,960 +70%
Norges Bank
15
Norges Bank
Norway
$487M -$26.1M -82,781 -4%
Bank of America
16
Bank of America
North Carolina
$459M +$4.8M +15,251 +0.8%
Bank of New York Mellon
17
Bank of New York Mellon
New York
$446M -$110M -347,818 -16%
Massachusetts Financial Services
18
Massachusetts Financial Services
Massachusetts
$433M -$23.9M -75,998 -4%
JP Morgan Chase
19
JP Morgan Chase
New York
$422M -$277M -880,495 -33%
Arrowstreet Capital
20
Arrowstreet Capital
Massachusetts
$406M +$60.6M +192,501 +13%
Goldman Sachs
21
Goldman Sachs
New York
$394M -$42.7M -135,739 -8%
American Century Companies
22
American Century Companies
Missouri
$388M -$7.89M -25,064 -2%
Renaissance Technologies
23
Renaissance Technologies
New York
$386M +$194M +617,100 +61%
JSP
24
Jackson Square Partners
California
$312M -$188M -597,888 -31%
UBS AM
25
UBS AM
Illinois
$306M +$48.1M +152,648 +13%

BIIB Hedge Fund Activity: Q1 2019 in Review

1,084 of the 4,620 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q1 2019, worth a combined $40.6B — down 22% from $52.2B a quarter earlier.

Sellers outnumbered buyers: 164 funds closed out of BIIB and 119 opened new positions — a net loss of 45 holders — while 437 trimmed existing stakes and 389 added.

The largest buyer was AQR Capital Management, adding an estimated $335M. The largest seller was Ameriprise, cutting an estimated $509M.

  • 1,084 institutional investors held Biogen (BIIB) as of Q1 2019, down from 1,140 in Q4 2018.
  • Funds reported $40.6B of Biogen stock for Q1 2019, down 22% quarter-over-quarter.
  • 119 funds opened new Biogen positions in Q1 2019 and 164 closed out, a net change of -45 holders.
  • The largest Biogen buyer in Q1 2019 was AQR Capital Management, an estimated $335M added.
  • The largest Biogen seller in Q1 2019 was Ameriprise, an estimated $509M sold.

Based on aggregated 13F filings for Q1 2019.