Position in OSS
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$268,992
-$228,984 QoQ
Shares Held
35,534
-48.8% QoQ
Ownership
0.143%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#36
of 77 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in OSS Over Time
Shares Held
Position Value (USD)
Position in Computer Hardware
Technology · as of Mar 31, 2026ESSEX INVESTMENT MANAGEMENT CO LLC holds $411,557 across 2 Computer Hardware names. OSS ranks #1 (65.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | OSS |
One Stop Systems, Inc.
This page
|
35,534 | $268,992 | |
| 2 | TACT |
Transact Technologies Inc
|
43,333 | $142,565 |
All Filings in OSS
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $268,992 | 35,534 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $497,976 | 69,356 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $303,108 | 56,550 | Shares | Sole | 2025-11-06 | |
| 2025-06-30 | $258,408 | 72,791 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $170,851 | 73,643 | Shares | Sole | 2025-05-07 | |
| 2024-12-31 | $247,213 | 73,795 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $196,723 | 82,311 | Shares | Sole | 2024-10-10 | |
| 2024-06-30 | $159,585 | 66,218 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $420,217 | 128,901 | Shares | Sole | 2024-05-03 | |
| 2023-12-31 | $270,692 | 128,901 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $325,328 | 175,853 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $533,530 | 185,899 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $445,554 | 179,659 | Shares | Sole | 2023-05-04 | |
| 2022-12-31 | $546,492 | 181,559 | Shares | Sole | 2023-02-03 | |
| 2022-09-30 | $581,289 | 181,653 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $764,415 | 194,014 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $733,875 | 192,114 | Shares | Sole | 2022-05-09 | |
| 2021-12-31 | $927,823 | 187,439 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $579,798 | 115,268 | Shares | Sole | 2021-11-09 | |
| 2021-06-30 | $679,421 | 117,344 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $738,457 | 116,476 | Shares | Sole | 2021-05-12 | |
| 2020-12-31 | $593,904 | 148,476 | Shares | Sole | 2021-02-12 | |
| 2020-09-30 | $498,365 | 237,317 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $363,933 | 184,738 | Shares | Sole | 2020-08-04 | |
| 2020-03-31 | $266,022 | 184,738 | Shares | Sole | 2020-05-04 | |
| No filing history on record for this holder in this stock. | ||||||