Amtech Systems Inc (ASYS) Ownership

7.96 ↓0.22 (-2.69%)
As of May 16, 2022, 11:01am EST.

Institutional Ownership

KOKINO LLC is the biggest individual institutional holder of Amtech Systems Inc (ASYS), owning a total of 2.3 million shares. Combined, the top 87 institutional holders of ASYS own 206.94% of the company with a total of 29.3 million shares.

In the latest ownership report, the top 87 institutional holders have increased their combined ownership of ASYS by 3.8 million shares, a 11.40% increase from the quarter prior.

Institution Ownership Chart

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Top Institutions

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
KOKINO LLC16.037%0.000%2,250,00002021-12-31
Royce & Associates, LP8.581%47.510%1,203,860387,7392021-12-31
Dimensional Fund Advisors, Inc.8.077%1.947%1,121,61721,4222022-03-31
Dimensional Fund Advisors, Inc.7.842%0.110%1,100,1951,2122021-12-31
Dimensional Fund Advisors, Inc.7.680%0.532%1,098,9835,8142021-09-30
Dimensional Fund Advisors, Inc.7.670%2.816%1,093,16929,9352021-06-30
Dimensional Fund Advisors, Inc.7.464%-3.449%1,063,234-37,9782021-03-31
Pacific Ridge Capital Partners, LLC7.165%8.857%1,021,27683,0942021-06-30
Pacific Ridge Capital Partners, LLC6.735%-5.637%963,709-57,5672021-09-30
Pacific Ridge Capital Partners, LLC6.586%4.308%938,18238,7432021-03-31
Pacific Ridge Capital Partners, LLC6.402%-0.189%888,994-1,6852022-03-31
Pacific Ridge Capital Partners, LLC6.348%-7.578%890,679-73,0302021-12-31
Royce & Associates, LP5.703%34.748%816,121210,4552021-09-30
Royce & Associates, LP4.249%14.782%605,66678,0002021-06-30
SELDON CAPITAL LP4.046%0.000%567,634567,6342021-12-31
Brandywine Global Investment Mgmt LLC4.040%-1.015%575,497-5,9002021-03-31
Vanguard Group Inc3.790%-30.469%539,929-236,6042021-03-31
Brandywine Global Investment Mgmt LLC3.733%-7.537%532,120-43,3772021-06-30
Royce & Associates, LP3.704%-2.042%527,666-11,0002021-03-31
Vanguard Group Inc3.669%-3.141%522,972-16,9572021-06-30
Vanguard Group Inc3.655%0.000%522,97202021-09-30
Vanguard Group Inc3.378%-9.376%473,940-49,0322021-12-31
BOOTHBAY FUND MANAGEMENT, LLC3.235%-0.506%453,915-2,3062021-12-31
BOOTHBAY FUND MANAGEMENT, LLC3.201%0.000%456,221456,2212021-06-30
BOOTHBAY FUND MANAGEMENT, LLC3.188%0.000%456,22102021-09-30
B. Riley Asset Management, LLC2.857%0.000%400,862400,8622021-12-31
Portolan Capital Management, LLC2.514%0.000%358,149358,1492021-03-31
Brandywine Global Investment Mgmt LLC2.036%-45.260%291,285-240,8352021-09-30
AIGH Capital Management, LLC1.909%0.000%273,100273,1002021-09-30
Cannell Capital LLC1.805%0.000%257,172257,1722021-03-31
Heartland Advisors Inc1.782%0.000%250,00002021-12-31
Heartland Advisors Inc1.747%0.000%250,000250,0002021-09-30
Essex Investment Management Company, LLC1.719%8.127%241,12018,1232021-12-31
Renaissance Technologies Corp1.562%53.482%222,69677,6002021-06-30
Essex Investment Management Company, LLC1.558%12.486%222,99724,7522021-09-30
Essex Investment Management Company, LLC1.391%34.674%198,24551,0412021-06-30
Barings LLC1.266%100.000%177,61688,8082021-12-31
BlackRock Inc1.168%1.129%166,3641,8582021-03-31
Renaissance Technologies Corp1.073%81.409%150,55767,5642021-12-31
BlackRock Inc1.035%1.920%145,1612,7352021-12-31
Two Sigma Investments LLC1.033%0.000%147,219147,2192021-03-31
Essex Investment Management Company, LLC1.033%-9.610%147,204-15,6512021-03-31
Ancora Advisors LLC1.033%-28.941%147,093-59,9092021-03-31
Renaissance Technologies Corp1.019%-21.765%145,096-40,3662021-03-31
BlackRock Inc1.012%-13.304%144,231-22,1332021-06-30
Two Sigma Investments LLC1.004%-2.756%143,162-4,0572021-06-30
EAM Investors, LLC0.998%0.000%142,121142,1212021-03-31
Ancora Advisors LLC0.976%-5.412%139,133-7,9602021-06-30
Arrowstreet Capital Limited Partnership0.973%25.300%138,61127,9882021-06-30
Arrowstreet Capital Limited Partnership0.969%0.000%138,61102021-09-30
Arrowstreet Capital Limited Partnership0.968%-2.018%135,814-2,7972021-12-31
Bridgeway Capital Management, LLC0.946%58.962%134,80050,0002021-03-31
Hillsdale Investment Management Inc.0.935%265.854%133,21196,8002021-06-30
MAVEN SECURITIES Ltd0.909%0.000%130,000130,0002021-09-30
Acadian Asset Management LLC0.879%647.497%123,337106,8372021-12-31
Bridgeway Capital Management, LLC0.872%-7.789%124,300-10,5002021-06-30
Acadian Asset Management LLC0.849%39.656%120,93834,3412021-03-31
EAM Investors, LLC0.822%0.000%117,582117,5822021-09-30
Brandywine Global Investment Mgmt LLC0.815%-60.744%114,348-176,9372021-12-31
Geode Capital Management, LLC0.792%0.000%111,06702021-12-31
Arrowstreet Capital Limited Partnership0.777%75.592%110,62347,6232021-03-31
Geode Capital Management, LLC0.776%0.878%111,0679672021-09-30
Geode Capital Management, LLC0.772%31.218%110,10026,1942021-06-30
Ibex Investors LLC0.743%0.000%105,896105,8962021-03-31
Ibex Investors LLC0.735%-1.011%104,825-1,0712021-06-30
Oberweis Asset Management Inc0.731%51.852%102,50035,0002021-12-31
Roubaix Capital, LLC0.694%0.000%98,88598,8852021-03-31
Bridgeway Capital Management, LLC0.684%-21.239%97,900-26,4002021-09-30
Bridgeway Capital Management, LLC0.668%-4.290%93,700-4,2002021-12-31
Susquehanna International Group, LLP0.656%152.637%93,50656,4942021-03-31
MAVEN SECURITIES Ltd0.642%-30.769%90,000-40,0002021-12-31
Barings LLC0.623%0.000%88,80802021-03-31
Barings LLC0.623%0.000%88,80802021-06-30
Barings LLC0.621%-50.000%88,808-88,8082021-09-30
Ancora Advisors LLC0.595%-38.789%85,165-53,9682021-09-30
Two Sigma Advisers, LLC0.595%82.759%84,80038,4002021-06-30
Clarivest Asset Management LLC0.586%0.808%83,4696692021-06-30
Clarivest Asset Management LLC0.581%0.000%82,80082,8002021-03-31
Renaissance Technologies Corp0.580%-62.733%82,993-139,7032021-09-30
Clarivest Asset Management LLC0.580%-0.599%82,969-5002021-09-30
Clarivest Asset Management LLC0.580%-2.001%81,309-1,6602021-12-31
Two Sigma Investments LLC0.499%70.790%70,07029,0432021-12-31
Oberweis Asset Management Inc0.472%0.000%67,50067,5002021-09-30
Worth Venture Partners, LLC0.438%0.000%62,64662,6462021-09-30
Jacobs Levy Equity Management, Inc.0.423%-16.143%60,251-11,5992021-03-31
Jacobs Levy Equity Management, Inc.0.419%-0.790%59,775-4762021-06-30
White Pine Capital LLC0.412%-2.801%58,758-1,6932021-06-30

Mutual Fund Ownership

Pacific Ridge Capital Ptnrs Micro Cp Val is the biggest individual fund holder of Amtech Systems Inc (ASYS), owning a total of 663 thousand shares. Combined, the top 172 mutual fund holders of ASYS own 178.66% of the company with a total of 25.4 million shares.

In the latest ownership report, the top 172 mutual funds have increased their combined ownership of ASYS by 1.5 million shares, a 5.71% increase from the quarter prior.

Mutual Funds Chart

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Top Mutual Funds

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
Pacific Ridge Capital Ptnrs Micro Cp Val4.655%-9.005%663,173-65,6282020-09-30
Royce Opportunity Invmt4.412%1.994%618,98412,1002022-03-31
Royce Opportunity Invmt4.241%35.711%606,884159,6962021-12-31
DFA US Small Cap Value I3.190%0.000%454,39002021-05-31
DFA US Small Cap Value I3.161%-0.840%450,575-3,8152021-06-30
Royce Opportunity Invmt3.137%63.597%447,188173,8402021-09-30
DFA US Small Cap Value I3.115%-1.467%443,966-6,6092021-07-31
DFA US Small Cap Value I3.115%0.000%443,96602021-08-31
DFA US Small Cap Value I3.115%0.000%443,96602021-09-30
DFA US Small Cap Value I3.071%-1.015%439,460-4,5062021-10-31
DFA US Small Cap Value I3.059%0.000%428,99402021-12-31
DFA US Small Cap Value I3.016%-1.376%423,090-5,9042022-01-31
DFA US Small Cap Value I3.016%0.000%423,09002022-02-28
DFA US Small Cap Value I3.016%0.000%423,09002022-03-31
DFA US Small Cap Value I2.998%-2.382%428,994-10,4662021-11-30
Legg Mason RY US SmCp Opp A USD Dis(A)2.411%4.933%338,22015,9002022-03-31
Vanguard Total Stock Mkt Idx Inv2.303%4.068%329,43512,8762021-10-31
Vanguard Total Stock Mkt Idx Inv2.302%0.000%329,43502021-11-30
Legg Mason RY US SmCp Opp A USD Dis(A)2.253%36.878%322,32086,8412021-12-31
Vanguard Total Stock Mkt Idx Inv2.221%0.083%316,5592612021-09-30
Vanguard Total Stock Mkt Idx Inv2.220%-5.088%316,298-16,9572021-06-30
Vanguard Total Stock Mkt Idx Inv2.219%0.000%316,29802021-07-31
Vanguard Total Stock Mkt Idx Inv2.219%0.000%316,29802021-08-31
Heartland Value Investor2.138%20.000%300,00050,0002022-03-31
Strategic Advisers® Small-Mid Cap2.094%34.013%298,23175,6922021-04-30
Royce Opportunity Invmt1.919%27.407%273,34858,8002021-06-30
Vanguard Total Stock Mkt Idx Inv1.913%0.000%268,24402022-01-31
Vanguard Total Stock Mkt Idx Inv1.912%0.000%268,24402022-02-28
Vanguard Total Stock Mkt Idx Inv1.912%0.000%268,24402022-03-31
Adara Smaller Companies1.877%8.382%267,40020,6802021-06-30
Adara Smaller Companies1.876%0.000%267,40002021-07-31
Adara Smaller Companies1.876%0.000%267,40002021-08-31
Adara Smaller Companies1.876%0.000%267,40002021-09-30
Vanguard Total Stock Mkt Idx Inv1.875%-18.575%268,244-61,1912021-12-31
Heartland Value Investor1.783%0.000%250,00002021-12-31
Adara Smaller Companies1.774%0.000%248,81002022-01-31
Adara Smaller Companies1.773%0.000%248,81002022-02-28
Adara Smaller Companies1.773%0.000%248,81002022-03-31
Heartland Value Investor1.754%0.000%250,000250,0002021-09-30
Adara Smaller Companies1.739%5.045%248,81011,9502021-11-30
Adara Smaller Companies1.739%0.000%248,81002021-12-31
Adara Smaller Companies1.656%-11.421%236,860-30,5402021-10-31
Legg Mason RY US SmCp Opp A USD Dis(A)1.652%58.475%235,47986,8882021-09-30
Vanguard Extended Market Index Investor1.292%0.000%181,24702022-01-31
Vanguard Extended Market Index Investor1.292%0.000%181,24702022-02-28
Vanguard Extended Market Index Investor1.292%0.000%181,24702022-03-31
Vanguard Extended Market Index Investor1.279%0.000%182,22502021-06-30
Vanguard Extended Market Index Investor1.279%0.000%182,22502021-07-31
Vanguard Extended Market Index Investor1.279%0.000%182,22502021-08-31
Vanguard Extended Market Index Investor1.277%-0.143%181,964-2612021-09-30
Vanguard Extended Market Index Investor1.272%0.000%181,96402021-10-31
Vanguard Extended Market Index Investor1.272%0.000%181,96402021-11-30
Vanguard Extended Market Index Investor1.267%-0.394%181,247-7172021-12-31
DFA US Targeted Value I1.075%2.542%150,8833,7402022-03-31
DFA US Targeted Value I1.049%0.000%147,14302021-12-31
DFA US Targeted Value I1.049%0.000%147,14302022-01-31
DFA US Targeted Value I1.049%0.000%147,14302022-02-28
Royce Micro-Cap Invmt1.046%39.289%146,81141,4112022-03-31
Legg Mason RY US SmCp Opp A USD Dis(A)1.043%22.005%148,59126,8002021-06-30
DFA US Targeted Value I1.033%7.212%147,1439,8982021-05-31
DFA US Targeted Value I1.032%0.000%147,14302021-06-30
DFA US Targeted Value I1.032%0.000%147,14302021-07-31
DFA US Targeted Value I1.032%0.000%147,14302021-08-31
DFA US Targeted Value I1.032%0.000%147,14302021-09-30
DFA US Targeted Value I1.028%0.000%147,14302021-10-31
DFA US Targeted Value I1.028%0.000%147,14302021-11-30
DFA US Small Cap I0.984%-0.791%138,006-1,1002021-12-31
DFA US Small Cap I0.984%0.000%138,00602022-01-31
DFA US Small Cap I0.984%0.000%138,00602022-02-28
DFA US Small Cap I0.977%0.000%139,10602021-05-31
DFA US Small Cap I0.976%0.000%139,10602021-06-30
DFA US Small Cap I0.976%0.000%139,10602021-07-31
DFA US Small Cap I0.976%0.000%139,10602021-08-31
DFA US Small Cap I0.976%0.000%139,10602021-09-30
DFA US Small Cap I0.972%0.000%139,10602021-10-31
DFA US Small Cap I0.972%0.000%139,10602021-11-30
DFA US Small Cap I0.969%-1.522%135,906-2,1002022-03-31
EAM Ultra Micro Cap0.895%9.204%127,94910,7842021-10-31
EAM Ultra Micro Cap0.873%-2.428%124,843-3,1062021-11-30
Bridgeway Ultra-Small Company Market0.852%25.907%121,50025,0002021-06-30
EAM Ultra Micro Cap0.822%0.000%117,165117,1652021-09-30
Oberweis Micro-Cap Growth0.789%8.000%110,7008,2002022-03-31
Hillsdale US Small Cap Eq Fund Srs A U$0.774%264.988%110,19080,0002021-06-30
Royce Micro-Cap Invmt0.737%0.000%105,400105,4002021-12-31
Oberweis Micro-Cap0.731%51.852%102,50035,0002021-12-31
Bridgeway Ultra-Small Company Market0.677%107.527%96,50050,0002021-03-31
Royce Micro Cap Trust0.657%0.000%92,18402022-03-31
Royce Micro Cap Trust0.647%0.000%92,18402021-06-30
Royce Micro Cap Trust0.647%0.000%92,18402021-09-30
Royce Micro Cap Trust0.644%0.000%92,18402021-12-31
EAM Micro Cap0.625%2.202%89,3611,9252021-11-30
EAM Micro Cap0.611%0.000%87,43687,4362021-10-31
Bridgeway Ultra-Small Company Market0.599%0.000%84,00002021-12-31
Bridgeway Ultra-Small Company Market0.587%-30.864%84,000-37,5002021-09-30
Pleiades Small Cap Equity A0.586%109.480%83,52443,6522021-09-30
Dimensional US Targeted Value ETF0.581%0.254%81,4772062022-02-28
Dimensional US Targeted Value ETF0.574%0.299%80,5332402022-03-31
Dimensional US Targeted Value ETF0.567%0.000%79,56302022-04-29
Dimensional US Targeted Value ETF0.517%0.527%72,4503802022-01-31
Pleiades Small Cap Equity A0.510%155.582%72,66744,2352021-03-31
Oberweis Micro-Cap0.472%0.000%67,50067,5002021-09-30
Fidelity® Extended Market Index0.454%0.000%63,66902021-12-31
Fidelity® Extended Market Index0.454%0.000%63,66902022-01-31
Fidelity® Extended Market Index0.454%0.000%63,66902022-02-28
Fidelity® Extended Market Index0.454%0.000%63,66902022-03-31
Fidelity® Extended Market Index0.448%0.000%63,83302021-05-31
Fidelity® Extended Market Index0.448%0.000%63,83302021-06-30
Fidelity® Extended Market Index0.448%0.000%63,83302021-07-31
Fidelity® Extended Market Index0.448%0.000%63,83302021-08-31
Fidelity® Extended Market Index0.448%0.000%63,83302021-09-30
Fidelity® Extended Market Index0.446%0.000%63,83302021-10-31
Fidelity® Extended Market Index0.445%-0.257%63,669-1642021-11-30
Royce Capital Micro-Cap Inv0.428%29.263%59,98713,5802022-03-31
Dimensional US Targeted Value ETF0.425%0.000%60,77002021-12-30
Dimensional US Targeted Value ETF0.425%0.000%60,77002021-12-31
Dimensional US Targeted Value ETF0.352%12.368%50,4335,5512021-11-30
Pleiades Small Cap Equity A0.344%6.895%48,1873,1082022-03-31
Royce Opportunity Collective TrustR-Inst0.341%8.006%48,5693,6002021-06-30
Royce Capital Micro-Cap Inv0.324%0.000%46,40746,4072021-12-31
Pleiades Small Cap Equity A0.321%-46.029%45,079-38,4452021-12-31
DFA US Micro Cap I0.312%9.569%43,8083,8262022-03-31
Dimensional US Targeted Value ETF0.302%0.322%43,0461382021-10-29
DFA US Micro Cap I0.285%18.659%39,9826,2872022-01-31
DFA US Micro Cap I0.285%0.000%39,98202022-02-28
Dimensional US Small Cap ETF0.283%0.000%39,64202022-01-31
Dimensional US Small Cap ETF0.283%0.000%39,64202022-02-28
Dimensional US Small Cap ETF0.283%0.000%39,64202022-03-31
Dimensional US Small Cap ETF0.283%0.000%39,64202022-04-29
Pleiades Small Cap Equity A0.280%-45.131%39,872-32,7952021-06-30
Dimensional US Targeted Value ETF0.277%0.000%39,53602021-09-30
Dimensional US Small Cap ETF0.277%0.000%39,64202021-12-30
Dimensional US Small Cap ETF0.277%0.000%39,64202021-12-31
Bridgeway Omni Tax-Managed Sm-Cp Val N0.269%0.000%38,30002021-03-31
DFA Tax-Managed US Targeted Value0.260%0.249%36,998922021-08-31
Dimensional US Targeted Value ETF0.260%0.249%36,998922021-08-31
Ancora MicroCap I0.258%0.000%36,76902021-06-30
Dimensional US Small Cap ETF0.254%0.000%36,34702021-11-30
Dimensional US Small Cap ETF0.245%0.000%34,85502021-10-29
DFA US Core Equity 2 I0.242%0.000%33,94202021-12-31
DFA US Core Equity 2 I0.242%0.000%33,94202022-01-31
DFA US Core Equity 2 I0.242%0.000%33,94202022-02-28
DFA US Micro Cap I0.240%15.747%33,6954,5842021-12-31
DFA US Core Equity 2 I0.238%0.000%33,94202021-05-31
DFA US Core Equity 2 I0.238%0.000%33,94202021-06-30
DFA US Core Equity 2 I0.238%0.000%33,94202021-07-31
DFA US Core Equity 2 I0.238%0.000%33,94202021-08-31
DFA US Core Equity 2 I0.238%0.000%33,94202021-09-30
DFA US Core Equity 2 I0.237%0.000%33,94202021-10-31
DFA US Core Equity 2 I0.237%0.000%33,94202021-11-30
Dimensional US Small Cap ETF0.235%0.354%33,4281182021-09-30
DFA Tax-Managed US Small Cap0.219%0.327%31,2571022021-08-31
Dimensional US Small Cap ETF0.219%0.327%31,2571022021-08-31
DFA Tax-Managed US Small Cap0.214%0.000%30,45802021-07-28
DFA Tax-Managed US Small Cap0.214%0.000%30,45802021-07-30
Dimensional US Small Cap ETF0.214%0.000%30,45802021-07-30
DFA US Micro Cap I0.212%43.167%30,2449,1192021-05-31
DFA Tax-Managed US Targeted Value0.211%0.000%30,11902021-07-30
Dimensional US Targeted Value ETF0.211%0.000%30,11902021-07-30
iShares Micro-Cap ETF0.205%0.000%29,23102021-07-30
DFA US Micro Cap I0.204%-3.746%29,111-1,1332021-06-30
DFA US Micro Cap I0.204%0.000%29,11102021-07-31
DFA US Micro Cap I0.204%0.000%29,11102021-08-31
DFA US Micro Cap I0.204%0.000%29,11102021-09-30
iShares Micro-Cap ETF0.204%0.000%29,14302021-12-29
iShares Micro-Cap ETF0.204%0.000%29,14302021-12-31
DFA US Micro Cap I0.203%0.000%29,11102021-10-31
iShares Micro-Cap ETF0.201%0.000%28,57502021-08-31
DFA US Core Equity 1 I0.198%0.000%28,26902021-08-31
DFA US Core Equity 1 I0.198%0.000%28,26902021-09-30
iShares Micro-Cap ETF0.196%0.000%27,89802021-10-29
iShares Micro-Cap ETF0.192%0.000%27,42402021-09-30
Ancora MicroCap I0.165%-36.145%23,479-13,2902021-09-30

Discussions

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dandanaiwo

$ASYS I don't know shit
but I know I'm holdin till I at least triple up

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bettysburgers

$ASYS the best advice has been no stop losses. Would have cost a fortune!!!

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145zip

$ASYS is it Monday yet???

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