Position in OSS
as of Mar 31, 2026
· filed Apr 21, 2026
Position Value
$353,821
+$18,228 QoQ
Shares Held
46,740
0.0% QoQ
Ownership
0.189%
of shares outstanding
% of Portfolio
0.28%
of 13F equity value
Holder Rank
#32
of 77 holders
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 0.ToString("F0")%
None 100.ToString("F0")%
Common Shares in OSS Over Time
Shares Held
Position Value (USD)
Position in Computer Hardware
Technology · as of Mar 31, 2026Penbrook Management LLC holds $353,821 across 1 Computer Hardware name. OSS ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | OSS |
One Stop Systems, Inc.
This page
|
46,740 | $353,821 |
All Filings in OSS
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3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $353,821 | 46,740 | Shares | Sole | 2026-04-21 | |
| 2025-12-31 | $335,593 | 46,740 | Shares | Sole | 2026-01-06 | |
| 2025-09-30 | $254,133 | 47,413 | Shares | Sole | 2025-10-22 | |
| No filing history on record for this holder in this stock. | ||||||