Position in ASYS
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$441,690
-$32,900 QoQ
Shares Held
37,816
0.0% QoQ
Ownership
0.261%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
16 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ASYS Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Mar 31, 2026ESSEX INVESTMENT MANAGEMENT CO LLC holds $16,967,232 across 12 Semiconductor Equipment & Materials names. ASYS ranks #6 (2.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | COHU |
Cohu Inc
|
191,885 | $5,875,518 | |
| 2 | ASML |
Asml Holding NV
|
3,556 | $4,696,871 | |
| 3 | AMBA |
Ambarella Inc
|
82,387 | $4,241,282 | |
| 4 | ACMR |
ACM Research, Inc.
|
11,770 | $463,149 | |
| 5 | CAMT |
Camtek Ltd
|
2,943 | $446,188 | |
| 6 | ASYS |
Amtech Systems Inc
This page
|
37,816 | $441,690 | |
| 7 | ACLS |
Axcelis Technologies Inc
|
3,350 | $311,818 | |
| 8 | TRT |
Trio-Tech International
|
31,474 | $181,919 |
All Filings in ASYS
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $441,690 | 37,816 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $474,590 | 37,816 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $350,176 | 37,816 | Shares | Sole | 2025-11-06 | |
| 2023-12-31 | $602,175 | 143,375 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $2,647,469 | 347,437 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $3,389,020 | 354,500 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $2,974,743 | 311,818 | Shares | Sole | 2023-05-04 | |
| 2022-12-31 | $2,026,623 | 266,661 | Shares | Sole | 2023-02-03 | |
| 2022-09-30 | $2,286,542 | 269,005 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,909,833 | 261,621 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $2,543,278 | 252,811 | Shares | Sole | 2022-05-09 | |
| 2021-12-31 | $2,382,265 | 241,120 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $2,548,855 | 222,997 | Shares | Sole | 2021-11-09 | |
| 2021-06-30 | $1,911,081 | 198,245 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $1,739,951 | 147,204 | Shares | Sole | 2021-05-12 | |
| 2020-12-31 | $1,039,014 | 162,855 | Shares | Sole | 2021-02-12 | |
| No filing history on record for this holder in this stock. | ||||||