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Amtech Systems

Name Holding Trade Value Shares
Change
Change in
Stake
Dimensional Fund Advisors
1
Dimensional Fund Advisors
Texas
$10.5M +$307K +29,935 +3%
PRCP
2
Pacific Ridge Capital Partners
Oregon
$9.85M +$852K +83,094 +9%
RA
3
Royce & Associates
New York
$5.84M +$800K +78,000 +15%
BGIM
4
Brandywine Global Investment Management
Pennsylvania
$5.13M -$445K -43,377 -8%
Vanguard Group
5
Vanguard Group
Pennsylvania
$5.04M -$174K -16,957 -3%
BFM
6
Boothbay Fund Management
New York
$4.4M +$4.68M +456,221 New
Renaissance Technologies
7
Renaissance Technologies
New York
$2.15M +$796K +77,600 +53%
EIM
8
Essex Investment Management
Massachusetts
$1.91M +$523K +51,041 +35%
BlackRock
9
BlackRock
New York
$1.39M -$227K -22,133 -13%
Two Sigma Investments
10
Two Sigma Investments
New York
$1.38M -$41.6K -4,057 -3%
AA
11
Ancora Advisors
Ohio
$1.34M -$81.6K -7,960 -5%
Arrowstreet Capital
12
Arrowstreet Capital
Massachusetts
$1.34M +$287K +27,988 +25%
HIM
13
Hillsdale Investment Management
Ontario, Canada
$1.28M +$993K +96,800 +266%
BCM
14
Bridgeway Capital Management
Texas
$1.2M -$108K -10,500 -8%
Acadian Asset Management
15
Acadian Asset Management
Massachusetts
$1.19M +$24.5K +2,389 +2%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$1.06M +$120K +11,724 +12%
II
17
Ibex Investors
Colorado
$1.01M -$11K -1,071 -1%
B
18
Barings
North Carolina
$856K
Two Sigma Advisers
19
Two Sigma Advisers
New York
$817K +$394K +38,400 +83%
CAM
20
ClariVest Asset Management
California
$805K +$6.86K +669 +0.8%
WPC
21
White Pine Capital
Minnesota
$609K -$17.4K -1,693 -3%
Jacobs Levy Equity Management
22
Jacobs Levy Equity Management
New Jersey
$576K -$4.88K -476 -0.8%
DC
23
Diametric Capital
Massachusetts
$449K +$478K +46,622 New
WA
24
WealthTrust Axiom
Pennsylvania
$408K -$51K -4,975 -10%
Commonwealth Equity Services
25
Commonwealth Equity Services
Massachusetts
$357K