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Arrowhead Research

Name Holding Trade Value Shares
Change
Change in
Stake
QF
1
QVT Financial
New York
$27.5M +$13M +1,912,700 +102%
JP Morgan Chase
2
JP Morgan Chase
New York
$25.6M +$16.4M +2,408,980 +228%
O
3
OppenheimerFunds
New York
$22.1M +$20.4M +3,000,000 New
RI
4
RTW Investments
New York
$19.3M +$17.8M +2,610,000 New
BM
5
Bridger Management
New York
$17.4M +$16M +2,354,878 New
Fidelity Investments
6
Fidelity Investments
Massachusetts
$14.1M -$21.1M -3,095,039 -62%
Vanguard Group
7
Vanguard Group
Pennsylvania
$12.6M +$417K +61,304 +4%
BIT
8
BlackRock Institutional Trust
California
$12.5M +$1.44M +211,615 +14%
BFA
9
BlackRock Fund Advisors
California
$11.2M +$1.89M +277,559 +22%
BBA
10
Baker Bros. Advisors
New York
$9.08M
GPP
11
Great Point Partners
Connecticut
$8.32M +$7.67M +1,126,835 New
BNP Paribas Asset Management
12
BNP Paribas Asset Management
France
$8.24M +$2.07M +304,493 +37%
Millennium Management
13
Millennium Management
New York
$6.4M +$5.9M +867,375 New
State Street
14
State Street
Massachusetts
$6.32M -$5.76M -847,373 -50%
Ameriprise
15
Ameriprise
Minnesota
$5.58M +$1.56M +228,641 +43%
Northern Trust
16
Northern Trust
Illinois
$4.29M -$32.4K -4,757 -0.8%
ACA
17
Avoro Capital Advisors
New York
$3.88M +$3.57M +525,000 New
Susquehanna International Group
18
Susquehanna International Group
Pennsylvania
$3.14M -$1M -147,723 -26%
SFM
19
Sphera Funds Management
Israel
$2.95M +$2.72M +400,000 New
PGCM
20
Prescott Group Capital Management
Oklahoma
$2.42M +$2.23M +327,800 New
D.E. Shaw & Co
21
D.E. Shaw & Co
New York
$2.38M +$380K +55,870 +21%
GC
22
Guggenheim Capital
Illinois
$2.25M +$965K +141,800 +87%
TCIM
23
TIAA CREF Investment Management
New York
$2.14M -$62.2K -9,138 -3%
Geode Capital Management
24
Geode Capital Management
Massachusetts
$2.06M -$81.6K -11,994 -4%
California Public Employees Retirement System
25
California Public Employees Retirement System
California
$2.04M +$1.16M +169,800 +130%