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923 hedge funds and large institutions have $58.4B invested in Biogen in 2015 Q3 according to their latest regulatory filings, with 105 funds opening new positions, 407 increasing their positions, 283 reducing their positions, and 150 closing their positions.

New
Increased
Maintained
Reduced
Closed

44% more repeat investments, than reductions

Existing positions increased: 407 | Existing positions reduced: 283

5% less funds holding

Funds holding: 973923 (-50)

29% less funds holding in top 10

Funds holding in top 10: 5237 (-15)

30% less first-time investments, than exits

New positions opened: 105 | Existing positions closed: 150

32% less capital invested

Capital invested by funds: $85.3B → $58.4B (-$26.9B)

32% less call options, than puts

Call options by funds: $1.22B | Put options by funds: $1.8B

Holders
923
Holders Change
-50
Holders Change %
-5.14%
% of All Funds
25.77%
Holding in Top 10
37
Holding in Top 10 Change
-15
Holding in Top 10 Change %
-28.85%
% of All Funds
1.03%
New
105
Increased
407
Reduced
283
Closed
150
Calls
$1.22B
Puts
$1.8B
Net Calls
-$579M
Net Calls Change
-$71.2M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$4.83B -$1.71B -5,174,594 -24%
Primecap Management
2
Primecap Management
California
$4.62B -$217M -658,081 -4%
Vanguard Group
3
Vanguard Group
Pennsylvania
$3.96B +$64.8M +196,139 +1%
State Street
4
State Street
Massachusetts
$2.77B -$5.67M -17,158 -0.2%
ClearBridge Investments
5
ClearBridge Investments
New York
$2.5B +$192M +581,757 +7%
BIT
6
BlackRock Institutional Trust
California
$1.78B +$13.5M +40,989 +0.7%
T. Rowe Price Associates
7
T. Rowe Price Associates
Maryland
$1.76B -$1.47B -4,446,701 -42%
Wellington Management Group
8
Wellington Management Group
Massachusetts
$1.65B +$274M +828,706 +17%
BFA
9
BlackRock Fund Advisors
California
$1.56B +$240M +725,243 +16%
Sands Capital Management
10
Sands Capital Management
Virginia
$1.2B -$202M -611,545 -13%
Jennison Associates
11
Jennison Associates
New York
$1.19B -$260M -786,414 -16%
JP Morgan Chase
12
JP Morgan Chase
New York
$1.15B -$335M -1,013,729 -20%
Ameriprise
13
Ameriprise
Minnesota
$1.11B +$395M +1,195,342 +46%
Invesco
14
Invesco
Georgia
$1B +$50.7M +153,640 +5%
Bank of New York Mellon
15
Bank of New York Mellon
New York
$938M +$37.1M +112,301 +4%
Northern Trust
16
Northern Trust
Illinois
$925M +$23M +69,554 +2%
AllianceBernstein
17
AllianceBernstein
Tennessee
$733M +$225M +681,357 +37%
Franklin Resources
18
Franklin Resources
California
$693M +$49M +148,469 +7%
BG
19
BlackRock Group
United Kingdom
$646M +$19.2M +58,083 +3%
WRF
20
Waddell & Reed Financial
Kansas
$629M -$79.6M -240,938 -10%
JSP
21
Jackson Square Partners
California
$588M +$64.6M +195,512 +11%
JHIU
22
Janus Henderson Investors US
Colorado
$585M -$70.9M -214,710 -10%
Norges Bank
23
Norges Bank
Norway
$577M +$98.9M +299,607 +18%
TCIM
24
TIAA CREF Investment Management
New York
$574M -$57.9M -175,224 -8%
Geode Capital Management
25
Geode Capital Management
Massachusetts
$569M +$7.31M +22,146 +1%