OSS
One Stop Systems, Inc.Company with tickers: OSS
CIK
1394056
CUSIP
68247W109
Shares Outstanding
24,769,017
Website
https://www.onestopsystems.com
13F Activity (30d)
31 filings
30 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 1
Total Value: $20,969,581
Total Shares: 1,388,714
Institutional Ownership Trend
29 quarters
Quarterly Activity
vs Mar 31, 2026
New
1
Increased
0
Decreased
0
Sold Out
58
Unchanged
0
Holder count:
-57
Institutional value:
-46.0%
Shares held:
-72.9%
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega JANE STREET GROUP, LLC | 1,388,714 | $20,969,581 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 959,588 | $7,264,081 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | 655,299 | $4,960,613 | |
| Small BARD ASSOCIATES INC | 540,666 | $4,092,841 | |
| Large MARSHALL WACE, LLP | 418,978 | $3,171,663 | |
| Large DNB Asset Management AS | 252,733 | $1,913,188 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega JANE STREET GROUP, LLC | $20,969,581 | 100.00% | 1,388,714 | Shares | Sole | 2026-05-13 | ||||
| No holders match your search. | ||||||||||