ASYS Institutional Ownership
Who owns Amtech Systems Inc and what the big funds did with it last quarter, from every SEC 13F filing. 112 funds reported holding ASYS at Jun 30, 2026, together owning 64.6% of the company.
- ▲85 buying vs 31 selling
- ▲Held by funds +21.9 pts
- ▲Funds holding +33
- ●Superinvestors: 2 added, 2 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 112 | 79 | +41.8% |
| In funds' top 10 | 1 | 0 | – |
| 13F shares | 11.3M | 7.5M | +51.4% |
| Held by funds | 64.6% | 42.7% | +21.9 pts |
| New positions | 46 | 20 | +130.0% |
| Increased | 39 | 28 | +39.3% |
| Reduced | 19 | 21 | −9.5% |
| Sold out | 12 | 8 | +50.0% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in ASYS
All superinvestors →
Who owns ASYS
share of fund held shares- Index and passive funds22.2%
- Active managers and hedge funds71.0%
- Banks and brokers6.1%
- Pensions, insurers and other0.6%
The top 10 holders own 61.7% of all ASYS shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
19 funds changed their position- Wasatch Advisors LPNew+1.2M sh
- Capelight Capital Asset Management LPSold out−50K sh
- Y-Intercept (Hong Kong) LtdAdded+59K sh
- Palisades Investment Partners, LLCAdded+47K sh
- Shikiar Asset Management IncSold out−22K sh
🔒 Free account: see all 19.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | First Eagle Investment Management, LLC | 9.69% | 1.7M | $39.2M | +864K |
| 2 | AIGH Capital Management LLC | 7.15% | 1.3M | $28.9M | +1.3M |
| 3 | BlackRock, Inc. | 4.36% | 763K | $17.6M | +618K |
| 4 | AWM Investment Company, Inc. | 3.94% | 690K | $15.9M | +690K |
| 5 | Vanguard Capital Management LLC | 3.32% | 581K | $13.4M | +16K |
| 6 | Acadian Asset Management LLC | 3.31% | 580K | $13.4M | +113K |
| 7 | Dimensional Fund Advisors LP | 2.44% | 427K | $9.8M | −103K |
| 8 | Marshall Wace, LLP | 2.28% | 399K | $9.2M | −19K |
| 9 | Arrowstreet Capital, Limited Partnership | 1.76% | 309K | $7.1M | −56K |
| 10 | Geode Capital Management, LLC | 1.63% | 285K | $6.6M | +153K |
- AIGH Capital Management LLC+1.3M sh+$28.9M
- First Eagle Investment Management, LLC+864K sh+$20M
- AWM Investment Company, Inc.+690K sh+$15.9M
- BlackRock, Inc.+618K sh+$14.3M
- Regal Partners Ltd+238K sh+$5.5M
- Geode Capital Management, LLC+153K sh+$3.5M
- Renaissance Technologies LLC+153K sh+$3.5M
- Acadian Asset Management LLC+113K sh+$2.6M
- Millennium Management LLC−363K sh−$8.4M
- Pacific Ridge Capital Partners, LLC−405K sh−$4.7M
- Dimensional Fund Advisors LP−103K sh−$2.4M
- Jane Street Group, LLC−91K sh−$2.1M
- Susquehanna International Group, LLP−91K sh−$2.1M
- Arrowstreet Capital, Limited Partnership−56K sh−$1.3M
- Trexquant Investment LP−54K sh−$1.2M
- Sei Investments Co−43K sh−$993K
ASYS institutional ownership FAQ
Who owns the most ASYS stock?
In Q2 2026 13F filings the largest holder of ASYS was First Eagle Investment Management, LLC, followed by AIGH Capital Management LLC and BlackRock, Inc.. Index fund managers are usually the biggest holders of large companies.
What percentage of ASYS is owned by institutions?
Funds that file 13F reports held 64.6% of ASYS's shares at Jun 30, 2026, compared with 42.7% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying ASYS?
In Q2 2026, 85 funds bought ASYS (46 of them new positions) and 31 sold (12 sold out completely). Among well known investors, 2 added and 2 cut. Our fund sentiment for ASYS is bullish.
What is ASYS's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this ASYS ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.