Position in OSIS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$330,028
+$20,641 QoQ
Shares Held
1,243
+2.5% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 99.35639581657281.ToString("F0")%
Shared 0.ToString("F0")%
None 0.6436041834271923.ToString("F0")%
Common Shares in OSIS Over Time
Shares Held
Position Value (USD)
Position in Electronic Components
Technology · as of Mar 31, 2026Round Rock Advisors LLC holds $6,034,709 across 6 Electronic Components names. OSIS ranks #5 (5.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APH |
Amphenol Corp /De/
|
16,789 | $2,121,290 | |
| 2 | CPSH |
Cps Technologies Corp/De/
|
435,522 | $1,628,852 | |
| 3 | ALNT |
Allient Inc
|
22,264 | $1,315,579 | |
| 4 | PLXS |
Plexus Corp
|
2,202 | $445,993 | |
| 5 | OSIS |
Osi Systems Inc
This page
|
1,243 | $330,028 | |
| 6 | LPTH |
Lightpath Technologies Inc
|
19,239 | $192,967 |
All Filings in OSIS
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $330,028 | 1,243 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $309,387 | 1,213 | Shares | Sole | 2026-04-07 | |
| 2025-09-30 | $214,097 | 859 | Shares | Sole | 2025-11-14 | |
| No filing history on record for this holder in this stock. | ||||||