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1,025 hedge funds and large institutions have $53.8B invested in Biogen in 2016 Q4 according to their latest regulatory filings, with 137 funds opening new positions, 364 increasing their positions, 401 reducing their positions, and 107 closing their positions.

New
Increased
Maintained
Reduced
Closed

87.15% more ownership

Funds ownership: 0%87.15% (+87%)

28% more first-time investments, than exits

New positions opened: 137 | Existing positions closed: 107

1% more funds holding

Funds holding: 1,0121,025 (+13)

9% less repeat investments, than reductions

Existing positions increased: 364 | Existing positions reduced: 401

9% less capital invested

Capital invested by funds: $59.3B → $53.8B (-$5.52B)

13% less call options, than puts

Call options by funds: $1.52B | Put options by funds: $1.74B

28% less funds holding in top 10

Funds holding in top 10: 5741 (-16)

Holders
1,025
Holders Change
+13
Holders Change %
+1.28%
% of All Funds
25.63%
Holding in Top 10
41
Holding in Top 10 Change
-16
Holding in Top 10 Change %
-28.07%
% of All Funds
1.02%
New
137
Increased
364
Reduced
401
Closed
107
Calls
$1.52B
Puts
$1.74B
Net Calls
-$222M
Net Calls Change
-$123M
Name Holding Trade Value Shares
Change
Change in
Stake
Primecap Management
1
Primecap Management
California
$4.42B -$32.5M -109,518 -0.7%
Vanguard Group
2
Vanguard Group
Pennsylvania
$3.97B +$48.6M +163,866 +1%
State Street
3
State Street
Massachusetts
$2.65B +$87.1M +293,817 +3%
ClearBridge Investments
4
ClearBridge Investments
New York
$2.49B +$89.6M +302,218 +4%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$2.47B +$329M +1,108,205 +15%
Fidelity Investments
6
Fidelity Investments
Massachusetts
$2.33B -$450M -1,518,017 -16%
BIT
7
BlackRock Institutional Trust
California
$1.73B +$69.9M +235,872 +4%
Wellington Management Group
8
Wellington Management Group
Massachusetts
$1.66B +$387M +1,306,695 +29%
BFA
9
BlackRock Fund Advisors
California
$1.5B +$97.6M +329,114 +7%
Invesco
10
Invesco
Georgia
$1.2B +$8.86M +29,876 +0.7%
JP Morgan Chase
11
JP Morgan Chase
New York
$1.03B +$6.29M +21,207 +0.6%
Ameriprise
12
Ameriprise
Minnesota
$1.01B +$15.8M +53,173 +2%
Northern Trust
13
Northern Trust
Illinois
$792M -$54.7M -184,644 -6%
AllianceBernstein
14
AllianceBernstein
Tennessee
$750M -$46.1M -155,351 -6%
Sands Capital Management
15
Sands Capital Management
Virginia
$731M -$62.4M -210,357 -8%
JSP
16
Jackson Square Partners
California
$640M -$93.6M -315,870 -12%
Geode Capital Management
17
Geode Capital Management
Massachusetts
$630M +$29.2M +98,428 +5%
BG
18
BlackRock Group
United Kingdom
$621M +$49M +165,228 +8%
Norges Bank
19
Norges Bank
Norway
$604M +$24.7M +83,456 +4%
Bank of New York Mellon
20
Bank of New York Mellon
New York
$573M -$47.9M -161,494 -7%
Bank of America
21
Bank of America
North Carolina
$561M +$40.6M +137,053 +7%
Viking Global Investors
22
Viking Global Investors
Connecticut
$544M -$79.3M -267,524 -12%
D.E. Shaw & Co
23
D.E. Shaw & Co
New York
$514M +$59.2M +199,699 +12%
Franklin Resources
24
Franklin Resources
California
$507M -$33M -111,161 -6%
Deutsche Bank
25
Deutsche Bank
Germany
$424M -$73.1M -246,542 -14%