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Alpha and Omega Semiconductor
AOSL

Name Holding Trade Value Shares
Change 		Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$29.2M +$30.8M +3,825,200 New
RA
2
Royce & Associates
New York
$9.29M +$9.79M +1,215,881 New
GS
3
Gagnon Securities
New York
$8.26M +$8.7M +1,081,359 New
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$6.03M +$6.35M +788,952 New
LSC
5
Lyon Street Capital
California
$5.06M +$5.33M +662,552 New
Boston Partners
6
Boston Partners
Massachusetts
$3.53M +$3.72M +462,608 New
BFA
7
BlackRock Fund Advisors
California
$3.41M +$3.59M +446,432 New
NC
8
Nokomis Capital
Texas
$2.74M +$2.88M +358,175 New
Vanguard Group
9
Vanguard Group
Pennsylvania
$2.56M +$2.7M +334,913 New
BIT
10
BlackRock Institutional Trust
California
$2.12M +$2.23M +277,256 New
State Street
11
State Street
Massachusetts
$1.92M +$2.02M +251,025 New
California Public Employees Retirement System
12
California Public Employees Retirement System
California
$1.7M +$1.79M +222,555 New
T
13
Tahithromos
New York
$1.56M +$1.64M +204,288 New
Northern Trust
14
Northern Trust
Illinois
$1.53M +$1.62M +200,787 New
LSV Asset Management
15
LSV Asset Management
Illinois
$1.28M +$1.35M +168,200 New
BCM
16
Bridgeway Capital Management
Texas
$1.11M +$1.17M +145,000 New
Schroder Investment Management Group
17
Schroder Investment Management Group
United Kingdom
$939K +$989K +122,900 New
Renaissance Technologies
18
Renaissance Technologies
New York
$897K +$945K +117,392 New
JP Morgan Chase
19
JP Morgan Chase
New York
$745K +$784K +97,412 New
BA
20
BlackRock Advisors
Delaware
$652K +$687K +85,312 New
D.E. Shaw & Co
21
D.E. Shaw & Co
New York
$614K +$647K +80,352 New
TCIM
22
TIAA CREF Investment Management
New York
$610K +$642K +79,799 New
PPA
23
Parametric Portfolio Associates
Washington
$537K +$566K +70,309 New
Ameriprise
24
Ameriprise
Minnesota
$458K +$483K +59,972 New
BIM
25
BlackRock Investment Management
Delaware
$452K +$476K +59,189 New
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