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Name Holding Trade Value Shares
Change
Change in
Stake
PA
1
Perceptive Advisors
New York
$20.2M +$2.47M +251,949 +17%
Primecap Management
2
Primecap Management
California
$19.2M -$1.17M -118,800 -7%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$16.7M -$8.17M -832,289 -37%
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$11.9M +$1.03M +104,482 +11%
RCM
5
RA Capital Management
Massachusetts
$11.8M -$16.8M -1,708,265 -63%
FCMI
6
Foresite Capital Management I
California
$9.5M -$26.5K -2,700 -0.3%
O
7
OrbiMed
New York
$9.32M
QF
8
QVT Financial
New York
$9.23M -$53K -5,400 -0.7%
BC
9
Broadfin Capital
New York
$9M
BBA
10
Baker Bros. Advisors
New York
$6.3M
Vanguard Group
11
Vanguard Group
Pennsylvania
$4.57M +$1.38M +140,567 +56%
BFA
12
BlackRock Fund Advisors
California
$4.27M -$328K -33,381 -8%
State Street
13
State Street
Massachusetts
$2.78M +$1.32M +134,446 +128%
SM
14
Sabby Management
Florida
$2.44M +$2.06M +209,686 New
JP Morgan Chase
15
JP Morgan Chase
New York
$2.19M -$70.8K -7,208 -4%
Northern Trust
16
Northern Trust
Illinois
$1.74M +$915K +93,202 +165%
BIT
17
BlackRock Institutional Trust
California
$1.55M +$11.7K +1,193 +0.9%
Geode Capital Management
18
Geode Capital Management
Massachusetts
$960K +$109K +11,100 +16%
TCIM
19
TIAA CREF Investment Management
New York
$649K +$70.9K +7,227 +15%
Bank of New York Mellon
20
Bank of New York Mellon
New York
$545K +$75.8K +7,725 +20%
BIM
21
BlackRock Investment Management
Delaware
$499K +$34.8K +3,547 +9%
BPC
22
Banque Pictet & Cie
Switzerland
$346K +$43.7K +4,455 +18%
FSA
23
Franklin Street Advisors
North Carolina
$328K +$110K +11,200 +66%
California State Teachers Retirement System (CalSTRS)
24
California State Teachers Retirement System (CalSTRS)
California
$311K +$1.96K +200 +0.8%
Charles Schwab
25
Charles Schwab
California
$255K +$215K +21,900 New