AMTECH SYSTEMS INC - Common Stock, $0.01 Par Value Per Share (ASYS)

CUSIP: 032332504

Q4 2023 13F Holders as of 31 Dec 2023

Holder snapshot 7 signals
Share change
-566,284
Put/Call ratio
288%
SEC-reported price per share
$4.20
Number of holders
44
Value change
-$3,960,935
Number of buys
21
Open additional details 1 more signal available
Number of sells
22
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
14,496,801

Security key

032332504

Report period

Q4 2023

Institutions

44

Top holders

10

Ownership snapshot

Top reported holders of ASYS - AMTECH SYSTEMS INC - Common Stock, $0.01 Par Value Per Share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
ROYCE & ASSOCIATES LP
Disclosed value leader
ROYCE & ASSOCIATES LP
Comparable rows
15/15
Latest evidence
30 Sep 2023
13F Lead comparable stake: 10% Showing 1-6 of 15 holder rows.

Quick read

ROYCE & ASSOCIATES LP leads the comparable SEC ownership view at 10%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens ROYCE & ASSOCIATES LP's linked filing trail.
Comparable ownership Top 5
ROYCE & ASSOCIATES LP 10%
DIMENSIONAL FUND ADVISORS LP 7.8%
Pacific Ridge Capital Partners, LLC 5.4%
VANGUARD GROUP INC 4.6%
First Eagle Investment Management... 4%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
ROYCE & ASSOCIATES LP
13F
Company
13F
10%
$11,267,542
1,478,680 shares
30 Sep 2023
DIMENSIONAL FUND ADVISORS LP
13F
Company
13F
7.8%
$8,585,690
1,126,731 shares
30 Sep 2023
Pacific Ridge Capital Partners, LLC
13F
Company
13F
5.4%
$6,000,880
787,517 shares
30 Sep 2023
VANGUARD GROUP INC
13F
Company
13F
4.6%
$5,075,012
666,012 shares
30 Sep 2023
First Eagle Investment Management, LLC
13F
Company
13F
4%
$4,376,517
574,346 shares
30 Sep 2023
ESSEX INVESTMENT MANAGEMENT CO LLC
13F
Company
13F
2.4%
$2,647,470
347,437 shares
30 Sep 2023
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
44
Shares
6,157,364
Rows available
44
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2023 vs Q3 2023 Across Filers

Q3 2023 holders
42
Q4 2023 holders
44
Holder diff
2
Investor Q3 2023 Shares Q4 2023 Shares Share Diff Share Chg % Q3 2023 value Q4 2023 value Value change Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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