What does CUSIP 032332504 represent in this 13F holders report?

CUSIP 032332504 is the security identifier for ASYS - AMTECH SYSTEMS INC - Common Stock used to aggregate holder disclosures.

How many institutions held ASYS - AMTECH SYSTEMS INC - Common Stock in Q1 2018?

75 institutional investors reported ASYS - AMTECH SYSTEMS INC - Common Stock for Q1 2018. Use the holders table for investor-level position and value details.

AMTECH SYSTEMS INC - Common Stock (ASYS)

CUSIP: 032332504

Q1 2018 13F Holders as of 31 Mar 2018

Type / Class: Equity / Common Stock
Shares outstanding: 14,345,359
Total 13F shares: 9,808,725
Share change: +340,364
Total reported value: $71,796,300
Put/Call ratio: 276%
Price per share: $7.32
Number of holders: 75
Value change: +$1,435,463
Number of buys: 43
Number of sells: 30

Quarterly Holders Quick Answers

What is CUSIP 032332504?
CUSIP 032332504 identifies ASYS - AMTECH SYSTEMS INC - Common Stock in SEC institutional holdings data.

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Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2018
Previous quarter: Q4 2017

Recent filing periods for CUSIP 032332504:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of ASYS - AMTECH SYSTEMS INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
KOKINO LLC	13F	Company	16%	2,250,000	$22,657,000	—	31 Dec 2017	13F
ROYCE & ASSOCIATES LP	13F	Company	5.3%	762,430	$7,678,000	—	31 Dec 2017	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	4.9%	700,460	$7,054,000	—	31 Dec 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	3.8%	546,932	$5,508,000	—	31 Dec 2017	13F
Pacific Ridge Capital Partners, LLC	13F	Company	3.6%	514,904	$5,185,000	—	31 Dec 2017	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	3.4%	489,431	$4,929,000	—	31 Dec 2017	13F
VANGUARD GROUP INC	13F	Company	3.3%	468,496	$4,718,000	—	31 Dec 2017	13F
New England Private Wealth Advisors LLC	13F	Company	2.2%	319,026	$3,213,000	—	31 Dec 2017	13F
Alambic Investment Management, L.P.	13F	Company	1.7%	245,304	$2,470,000	—	31 Dec 2017	13F
OXFORD ASSET MANAGEMENT LLP	13F	Company	1.5%	215,500	$2,187,000	—	31 Dec 2017	13F
BOGLE INVESTMENT MANAGEMENT L P /DE/	13F	Company	1.4%	204,586	$2,060,000	—	31 Dec 2017	13F
ALGERT GLOBAL LLC	13F	Company	1.4%	197,853	$1,992,000	—	31 Dec 2017	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	1.1%	163,900	$1,650,000	—	31 Dec 2017	13F
SYSTEMATIC FINANCIAL MANAGEMENT LP	13F	Company	0.95%	136,940	$1,379,000	—	31 Dec 2017	13F
Invesco Ltd.	13F	Company	0.94%	135,392	$1,363,000	—	31 Dec 2017	13F
Janney Montgomery Scott LLC	13F	Company	0.93%	133,801	$1,347,000	—	31 Dec 2017	13F
DEUTSCHE BANK AG\	13F	Company	0.76%	108,452	$1,092,000	—	31 Dec 2017	13F
PDT Partners, LLC	13F	Company	0.75%	107,200	$1,080,000	—	31 Dec 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.72%	103,518	$1,042,000	—	31 Dec 2017	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.7%	101,133	$1,018,000	—	31 Dec 2017	13F
BARINGS LLC	13F	Company	0.63%	90,808	$914,000	—	31 Dec 2017	13F
MACQUARIE GROUP LTD	13F	Company	0.63%	90,596	$912,000	—	31 Dec 2017	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.6%	86,538	$871,000	—	31 Dec 2017	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	0.51%	73,712	$743,000	—	31 Dec 2017	13F
Numeric Investors LLC	13F	Company	0.5%	71,700	$722,000	—	31 Dec 2017	13F
FEDERATED HERMES, INC.	13F	Company	0.49%	70,614	$712,000	—	31 Dec 2017	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.48%	68,627	$691,000	—	31 Dec 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.47%	67,621	$681,000	—	31 Dec 2017	13F
MORGAN STANLEY	13F	Company	0.46%	65,912	$663,000	—	31 Dec 2017	13F
MENTA CAPITAL LLC	13F	Company	0.45%	64,437	$649,000	—	31 Dec 2017	13F
AXA S.A.	13F	Company	0.4%	56,949	$573,000	—	31 Dec 2017	13F
WEDGE CAPITAL MANAGEMENT L L P/NC	13F	Company	0.39%	55,800	$562,000	—	31 Dec 2017	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	0.38%	53,947	$543,000	—	31 Dec 2017	13F
WealthTrust Axiom LLC	13F	Company	0.37%	52,409	$527,000	—	31 Dec 2017	13F
CADENCE CAPITAL MANAGEMENT LLC	13F	Company	0.35%	50,868	$512,000	—	31 Dec 2017	13F
BlackRock Finance, Inc.	13F	Company	0.35%	49,994	$504,000	—	31 Dec 2017	13F
CITADEL ADVISORS LLC	13F	Company	0.34%	48,474	$488,000	—	31 Dec 2017	13F
BARCLAYS PLC	13F	Company	0.3%	42,553	$428,000	—	31 Dec 2017	13F
IRONWOOD INVESTMENT MANAGEMENT LLC	13F	Company	0.26%	37,160	$374,000	—	31 Dec 2017	13F
LUCUS ADVISORS LLC	13F	Company	0.22%	31,887	$321,000	—	31 Dec 2017	13F
NORTHERN TRUST CORP	13F	Company	0.22%	31,313	$316,000	—	31 Dec 2017	13F
Dynamic Technology Lab Private Ltd	13F	Company	0.21%	30,051	$303,000	—	31 Dec 2017	13F
Russell Investments Group, Ltd.	13F	Company	0.2%	28,863	$293,000	—	31 Dec 2017	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.2%	28,200	$284,000	—	31 Dec 2017	13F
Trexquant Investment LP	13F	Company	0.18%	25,680	$259,000	—	31 Dec 2017	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.17%	24,286	$245,000	—	31 Dec 2017	13F
Squarepoint Ops LLC	13F	Company	0.16%	23,423	$236,000	—	31 Dec 2017	13F
O'SHAUGHNESSY ASSET MANAGEMENT, LLC	13F	Company	0.15%	21,601	$218,000	—	31 Dec 2017	13F
A.R.T. Advisors, LLC	13F	Company	0.14%	19,918	$200,000	—	31 Dec 2017	13F
Bank of New York Mellon Corp	13F	Company	0.12%	17,407	$176,000	—	31 Dec 2017	13F

Institutional Holders of AMTECH SYSTEMS INC - Common Stock (ASYS) as of Q1 2018

As of 31 Mar 2018, AMTECH SYSTEMS INC - Common Stock (ASYS) was held by 75 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 9,808,725 shares. The largest 10 holders included KOKINO LLC, DIMENSIONAL FUND ADVISORS LP, ROYCE & ASSOCIATES LP, RENAISSANCE TECHNOLOGIES LLC, VANGUARD GROUP INC, Pacific Ridge Capital Partners, LLC, New England Private Wealth Advisors LLC, Alambic Investment Management, L.P., MILLENNIUM MANAGEMENT LLC, and BRIDGEWAY CAPITAL MANAGEMENT INC. This page lists 75 institutional shareholders reporting positions in this security for the Q1 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2018 vs Q4 2017 Across Filers

Q4 2017 holders

Q1 2018 holders

Holder diff

Investor	Q4 2017 Shares	Q1 2018 Shares	Share Diff	Share Chg %	Q4 2017 Value $	Q1 2018 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.