Amtech Systems, Inc. Common Stock — Institutional Ownership

Which tracked institutions hold ASYS, and how they changed the position last quarter. Latest holdings as of Jun 30, 2026. Source: SEC 13-F filings.

15
Funds holding
$31959575
Total value held
Buying
13 added/new · 2 reduced
# Institution Value Shares Δ Shares Change (QoQ)
1 Blackrock, Inc. $17621279 763487 +618041 +424.93%
2 State Street Corp $3596995 155849 +98509 +171.80%
3 Northern Trust Corp $2120059 91857 +52853 +135.51%
4 Morgan Stanley $1915617 82999 +23907 +40.46%
5 Ubs Group Ag $1825282 79085 +79085 NEW BUY
6 Goldman Sachs Group Inc $1247844 54066 +17491 +47.82%
7 Sei Investments Co $1142483 49501 -43014 -46.49%
8 Bank Of New York Mellon Corp $958591 41533 +41533 NEW BUY
9 Marex Group Ltd $602803 26118 +26118 NEW BUY
10 Jpmorgan Chase & Co $247863 12038 +11780 +4565.89%
11 Wells Fargo & Company/Mn $246610 10685 +10685 NEW BUY
12 Invesco Ltd. $213721 9260 +9260 NEW BUY
13 Citigroup Inc $126709 5490 +3102 +129.90%
14 Barclays Plc $85719 3714 -7610 -67.20%
15 Royal Bank Of Canada $8000 365 +174 +91.10%

Aggregated across tracked institutional filers. Reported quarterly on SEC Form 13-F and may lag. For research only — not investment advice.