Old West Investment Management, LLC
Position in POWI — Power Integrations Inc
CIK 1549358
Los Angeles, CA
Position in POWI
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$818,790
+$499,464 QoQ
Shares Held
15,992
+78.0% QoQ
Ownership
0.029%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in POWI Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Mar 31, 2026Old West Investment Management, LLC holds $17,085,131 across 6 Semiconductors names. POWI ranks #3 (4.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SWKS |
Skyworks Solutions, Inc.
|
155,869 | $8,346,784 | |
| 2 | GFS |
GLOBALFOUNDRIES Inc.
|
151,125 | $6,722,040 | |
| 3 | POWI |
Power Integrations Inc
This page
|
15,992 | $818,790 | |
| 4 | NVTS |
Navitas Semiconductor Corp
|
59,161 | $518,841 | |
| 5 | WOLF |
Wolfspeed, Inc.
|
23,482 | $383,226 | |
| 6 | INTC |
Intel Corp
|
6,695 | $295,450 |
All Filings in POWI
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $818,790 | 15,992 | Shares | Sole | 2026-05-12 | |
| 2025-12-31 | $319,326 | 8,985 | Shares | Sole | 2026-02-17 | |
| No filing history on record for this holder in this stock. | ||||||