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Arrowhead Research

Name Holding Trade Value Shares
Change
Change in
Stake
O
1
OppenheimerFunds
New York
$4.65M
BFA
2
BlackRock Fund Advisors
California
$4.58M +$1.98M +464,053 +19%
Vanguard Group
3
Vanguard Group
Pennsylvania
$4.33M +$1.31M +307,862 +12%
QF
4
QVT Financial
New York
$3.96M
PGCM
5
Prescott Group Capital Management
Oklahoma
$2.96M +$8.13M +1,909,330 New
BIT
6
BlackRock Institutional Trust
California
$2.83M +$477K +112,039 +7%
Millennium Management
7
Millennium Management
New York
$1.82M +$4.87M +1,143,673 +3,402%
State Street
8
State Street
Massachusetts
$1.5M -$1.82M -426,804 -31%
PA
9
Perceptive Advisors
New York
$1.31M
Northern Trust
10
Northern Trust
Illinois
$1.27M +$544K +127,685 +18%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$994K +$694K +163,016 +34%
Susquehanna International Group
12
Susquehanna International Group
Pennsylvania
$849K -$1.69M -397,907 -42%
Ameriprise
13
Ameriprise
Minnesota
$771K -$34.8K -8,180 -2%
Morgan Stanley
14
Morgan Stanley
New York
$702K +$1.32M +309,300 +216%
JP Morgan Chase
15
JP Morgan Chase
New York
$631K -$4.62M -1,085,259 -73%
AFM
16
Anson Funds Management
Texas
$548K +$1.51M +353,428 New
Tudor Investment Corp
17
Tudor Investment Corp
Connecticut
$474K +$1.3M +305,857 New
Bank of New York Mellon
18
Bank of New York Mellon
New York
$470K +$40.4K +9,485 +3%
Charles Schwab
19
Charles Schwab
California
$429K +$23.4K +5,501 +2%
California Public Employees Retirement System
20
California Public Employees Retirement System
California
$379K -$53.7K -12,600 -5%
BIM
21
BlackRock Investment Management
Delaware
$376K +$9.46K +2,221 +0.9%
Goldman Sachs
22
Goldman Sachs
New York
$339K +$768K +180,375 +469%
TCIM
23
TIAA CREF Investment Management
New York
$296K +$23.1K +5,427 +3%
Group One Trading
24
Group One Trading
Illinois
$220K +$349K +82,028 +137%
California State Teachers Retirement System (CalSTRS)
25
California State Teachers Retirement System (CalSTRS)
California
$218K +$55K +12,900 +10%