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973 hedge funds and large institutions have $85.3B invested in Biogen in 2015 Q2 according to their latest regulatory filings, with 100 funds opening new positions, 367 increasing their positions, 348 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed

18% more first-time investments, than exits

New positions opened: 100 | Existing positions closed: 85

5% more repeat investments, than reductions

Existing positions increased: 367 | Existing positions reduced: 348

1% more funds holding

Funds holding: 966973 (+7)

5% less capital invested

Capital invested by funds: $90B → $85.3B (-$4.71B)

24% less funds holding in top 10

Funds holding in top 10: 6852 (-16)

30% less call options, than puts

Call options by funds: $1.21B | Put options by funds: $1.72B

Holders
973
Holders Change
+7
Holders Change %
+0.72%
% of All Funds
26.22%
Holding in Top 10
52
Holding in Top 10 Change
-16
Holding in Top 10 Change %
-23.53%
% of All Funds
1.4%
New
100
Increased
367
Reduced
348
Closed
85
Calls
$1.21B
Puts
$1.72B
Net Calls
-$507M
Net Calls Change
+$74.4M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$8.78B -$122M -302,757 -1%
Primecap Management
2
Primecap Management
California
$6.67B -$23M -57,222 -0.3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$5.41B +$95.9M +239,059 +2%
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$4.23B -$128M -317,775 -3%
State Street
5
State Street
Massachusetts
$3.84B -$113M -282,405 -3%
ClearBridge Investments
6
ClearBridge Investments
New York
$3.23B -$9.38M -23,374 -0.3%
BIT
7
BlackRock Institutional Trust
California
$2.45B -$60.9M -151,735 -2%
JP Morgan Chase
8
JP Morgan Chase
New York
$2B -$358M -892,604 -15%
Jennison Associates
9
Jennison Associates
New York
$1.96B -$99.3M -247,504 -5%
Wellington Management Group
10
Wellington Management Group
Massachusetts
$1.95B +$549M +1,366,907 +39%
Sands Capital Management
11
Sands Capital Management
Virginia
$1.91B -$111M -276,670 -6%
BFA
12
BlackRock Fund Advisors
California
$1.87B +$86.4M +215,227 +5%
Invesco
13
Invesco
Georgia
$1.33B -$112M -279,076 -8%
Bank of New York Mellon
14
Bank of New York Mellon
New York
$1.25B -$46.7M -116,446 -4%
Northern Trust
15
Northern Trust
Illinois
$1.25B -$8.59M -21,411 -0.7%
Ameriprise
16
Ameriprise
Minnesota
$1.06B -$249M -621,522 -19%
WRF
17
Waddell & Reed Financial
Kansas
$967M -$110M -273,300 -10%
Wells Fargo
18
Wells Fargo
California
$901M -$71.8M -178,830 -7%
Franklin Resources
19
Franklin Resources
California
$899M -$27M -67,165 -3%
JHIU
20
Janus Henderson Investors US
Colorado
$896M +$15.7M +39,233 +2%
BG
21
BlackRock Group
United Kingdom
$870M +$4.34M +10,809 +0.5%
TCIM
22
TIAA CREF Investment Management
New York
$865M +$189M +470,529 +28%
Geode Capital Management
23
Geode Capital Management
Massachusetts
$778M +$5.26M +13,097 +0.7%
AllianceBernstein
24
AllianceBernstein
Tennessee
$740M +$40.7M +101,379 +6%
JSP
25
Jackson Square Partners
California
$735M +$313M +780,847 +75%