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Name Holding Trade Value Shares
Change
Change in
Stake
EWM
1
Essex Woodlands Management
Texas
$94.1M
OM
2
Opaleye Management
Massachusetts
$38.1M
BlackRock
3
BlackRock
New York
$26.6M +$376K +22,367 +2%
Vanguard Group
4
Vanguard Group
Pennsylvania
$24.5M +$722K +42,946 +4%
DCM
5
Driehaus Capital Management
Illinois
$13.2M -$320K -19,027 -3%
NCGI
6
Next Century Growth Investors
Minnesota
$12.7M +$2.16M +128,488 +24%
Bank of New York Mellon
7
Bank of New York Mellon
New York
$12.2M +$7.92M +471,209 +294%
Russell Investments Group
8
Russell Investments Group
United Kingdom
$11.3M -$490K -29,153 -5%
GGHC
9
Gilder Gagnon Howe & Co
New York
$10.9M -$68.7K -4,086 -0.7%
PCM
10
Perkins Capital Management
Minnesota
$10.4M -$255K -15,194 -3%
CAM
11
Cortina Asset Management
Wisconsin
$9.44M -$73.4K -4,368 -0.9%
State Street
12
State Street
Massachusetts
$8.97M +$418K +24,883 +6%
PVI
13
Pura Vida Investments
New York
$8.87M +$4.69M +279,187 +156%
CM
14
Castleark Management
Illinois
$7.9M +$1.41M +84,120 +26%
Renaissance Technologies
15
Renaissance Technologies
New York
$7.79M +$2.58M +153,600 +62%
RSCM
16
Rock Springs Capital Management
Maryland
$7.74M +$420K +25,000 +7%
DM
17
Deerfield Management
New York
$6.67M -$5.54M -330,000 -49%
AIC
18
AWM Investment Company
New York
$6.52M
WRF
19
Waddell & Reed Financial
Kansas
$6.25M +$116K +6,900 +2%
Millennium Management
20
Millennium Management
New York
$6.04M -$2.48M -147,574 -32%
Deutsche Bank
21
Deutsche Bank
Germany
$6.03M -$205K -12,206 -4%
Northern Trust
22
Northern Trust
Illinois
$5.95M -$13K -775 -0.3%
EI
23
EAM Investors
California
$5.64M -$38.8K -2,312 -0.8%
SPPAM
24
Summit Partners Public Asset Management
Massachusetts
$5.42M
GPCM
25
Granite Point Capital Management
Massachusetts
$5.3M -$363K -21,600 -7%