AMTECH SYS INC (ASYS): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in ASYS · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
12
13F filers
Aggregate Value
$60.4M
Across holders
Last Price
$14.00
2026-08-24
Sector
Information Technology
GICS
Quarterly fund activity7 increased5 reduced4 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| First Eagle Investment Management, LLC CIK 0001325447 | Institutional Manager | 848K | $19.6M | 32.4% | 0.0% | Added | $-18.8M | Q2 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 399K | $9.2M | 15.2% | 0.0% | Reduced | $-13.5M | Q2 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 309K | $7.1M | 11.8% | 0.0% | Reduced | $-1.3M | Q2 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 261K | $6.0M | 10.0% | 0.0% | Added | +$3.5M | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 254K | $5.9M | 9.7% | 0.0% | Reduced | $-288K | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 195K | $4.5M | 7.4% | 0.0% | Added | +$2.5M | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 106K | $2.5M | 4.1% | 0.0% | Reduced | $-675K | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 91K | $2.1M | 3.5% | 0.0% | Reduced | $-8.4M | Q2 2026 |
| Point72 Asset Management, L.P. CIK 0001603466 | Hedge Fund | 80K | $1.8M | 3.0% | 0.0% | Added | +$1.2M | Q2 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 45K | $1.0M | 1.7% | 0.0% | Added | +$313K | Q2 2026 |
Added
Institutional Manager
$19.6M· 32.4% of total· 0.0% port· 848K sh· $-18.8M QoQ· Q2 2026
Reduced
Hedge Fund
$9.2M· 15.2% of total· 0.0% port· 399K sh· $-13.5M QoQ· Q2 2026
Reduced
Hedge Fund
$7.1M· 11.8% of total· 0.0% port· 309K sh· $-1.3M QoQ· Q2 2026
Added
Hedge Fund
$6.0M· 10.0% of total· 0.0% port· 261K sh· +$3.5M QoQ· Q2 2026
Reduced
Hedge Fund
$5.9M· 9.7% of total· 0.0% port· 254K sh· $-288K QoQ· Q2 2026
Added
Hedge Fund
$4.5M· 7.4% of total· 0.0% port· 195K sh· +$2.5M QoQ· Q2 2026
Reduced
Hedge Fund
$2.5M· 4.1% of total· 0.0% port· 106K sh· $-675K QoQ· Q2 2026
Reduced
Hedge Fund
$2.1M· 3.5% of total· 0.0% port· 91K sh· $-8.4M QoQ· Q2 2026
Added
Hedge Fund
$1.8M· 3.0% of total· 0.0% port· 80K sh· +$1.2M QoQ· Q2 2026
Added
Hedge Fund
$1.0M· 1.7% of total· 0.0% port· 45K sh· +$313K QoQ· Q2 2026
Added
Hedge Fund
$438K· 0.7% of total· 0.0% port· 19K sh· +$4K QoQ· Q2 2026
Added
Hedge Fund
$244K· 0.4% of total· 0.0% port· 11K sh· — QoQ· Q2 2026
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