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1,101 hedge funds and large institutions have $51.4B invested in Biogen in 2018 Q1 according to their latest regulatory filings, with 94 funds opening new positions, 424 increasing their positions, 417 reducing their positions, and 101 closing their positions.

New
Increased
Maintained
Reduced
Closed

2% more repeat investments, than reductions

Existing positions increased: 424 | Existing positions reduced: 417

0.28% less ownership

Funds ownership: 89.1%88.83% (-0.28%)

7% less first-time investments, than exits

New positions opened: 94 | Existing positions closed: 101

2% less funds holding

Funds holding: 1,1221,101 (-21)

7% less funds holding in top 10

Funds holding in top 10: 2826 (-2)

14% less capital invested

Capital invested by funds: $60B → $51.4B (-$8.58B)

34% less call options, than puts

Call options by funds: $695M | Put options by funds: $1.05B

Holders
1,101
Holders Change
-21
Holders Change %
-1.87%
% of All Funds
25.23%
Holding in Top 10
26
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-7.14%
% of All Funds
0.6%
New
94
Increased
424
Reduced
417
Closed
101
Calls
$695M
Puts
$1.05B
Net Calls
-$355M
Net Calls Change
+$102M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$4.73B +$144M +463,656 +3%
Vanguard Group
2
Vanguard Group
Pennsylvania
$4.14B +$80.2M +258,224 +2%
Primecap Management
3
Primecap Management
California
$4.09B -$48.4M -156,000 -1%
ClearBridge Investments
4
ClearBridge Investments
New York
$2.52B +$14.5M +46,608 +0.5%
State Street
5
State Street
Massachusetts
$2.39B -$229M -737,545 -8%
Fidelity Investments
6
Fidelity Investments
Massachusetts
$1.85B -$721M -2,321,382 -26%
Wellington Management Group
7
Wellington Management Group
Massachusetts
$1.39B -$11M -35,457 -0.7%
AllianceBernstein
8
AllianceBernstein
Tennessee
$1.1B +$189M +610,098 +18%
T. Rowe Price Associates
9
T. Rowe Price Associates
Maryland
$1.1B -$1.4B -4,512,212 -53%
Invesco
10
Invesco
Georgia
$974M +$31.3M +100,870 +3%
Deutsche Bank
11
Deutsche Bank
Germany
$963M +$700M +2,253,559 +178%
JP Morgan Chase
12
JP Morgan Chase
New York
$841M +$78.9M +254,334 +9%
Northern Trust
13
Northern Trust
Illinois
$787M -$33.1M -106,511 -4%
Ameriprise
14
Ameriprise
Minnesota
$714M -$496K -1,597 -0.1%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$709M +$46.8M +150,840 +6%
Goldman Sachs
16
Goldman Sachs
New York
$671M +$47.7M +153,551 +7%
AQR Capital Management
17
AQR Capital Management
Connecticut
$669M +$148M +477,916 +24%
Bank of New York Mellon
18
Bank of New York Mellon
New York
$627M -$31.4M -101,059 -4%
Norges Bank
19
Norges Bank
Norway
$581M -$14.2M -45,645 -2%
Massachusetts Financial Services
20
Massachusetts Financial Services
Massachusetts
$569M +$76.5M +246,436 +13%
JSP
21
Jackson Square Partners
California
$547M -$21.2M -68,323 -3%
Bank of America
22
Bank of America
North Carolina
$505M -$29.7M -95,562 -5%
Janus Henderson Group
23
Janus Henderson Group
United Kingdom
$429M +$11.6M +37,247 +2%
TCIM
24
TIAA CREF Investment Management
New York
$371M -$8.76M -28,210 -2%
American Century Companies
25
American Century Companies
Missouri
$321M +$52.8M +169,942 +17%