This Chip Stock Soared 325%. Why One Investor Still Sold $89 Million Worth

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Jonathan Ponciano, The Motley Fool

Sat, May 23, 2026 astatine 5:20 PM CDT 4 min read

Pertento Partners chopped its involvement successful Silicon Motion Technology (NASDAQ:SIMO) successful the archetypal quarter, selling 738,875 shares successful an estimated $89.68 cardinal commercialized based connected quarterly mean pricing, according to a May 14, 2026, SEC filing.

What happened

Pertento Partners LLP disclosed successful a May 14, 2026, SEC filing that it reduced its presumption successful Silicon Motion Technology by 738,875 shares during the archetypal quarter. The estimated worth of shares sold was $89.68 million, calculated utilizing the mean closing terms from January done March 2026. The fund’s quarter-end SIMO presumption was valued astatine $46.32 million, with full presumption worth changing by $60.41 cardinal implicit the period.

What other to cognize

Top holdings post-filing:
- NYSE:USFD: $170.91 cardinal (18.1% of AUM)
- NASDAQ:IESC: $110.18 cardinal (11.7% of AUM)
- NYSE:PRMB: $99.80 cardinal (10.6% of AUM)
- NASDAQ:CLBT: $91.81 cardinal (9.7% of AUM)
- NASDAQ:PSMT: $78.96 cardinal (8.4% of AUM)
As of Friday, SIMO shares were priced astatine $276.14, up astir 325% implicit the past twelvemonth and good outperforming the S&P 500, which is alternatively up astir 28% successful the aforesaid period.

Company overview

Metric

Value

Price (as of Friday)	$276.14
Market Capitalization	$9.4 billion
Revenue (TTM)	$1.06 billion
Net Income (TTM)	$169.97 million

Company snapshot

SIMO designs and markets NAND flash controllers for solid-state drives (SSDs), embedded storage, and specialized SSDs for industrial, commercial, and automotive applications.
The steadfast generates gross chiefly by selling controller chips and retention solutions to instrumentality manufacturers, module makers, and hyperscale information halfway operators.
It serves NAND flash makers, electronics OEMs, hyperscalers, and autarkic electronics distributors crossed planetary markets, including Asia, the United States, and Europe.

Silicon Motion Technology is simply a starring supplier of NAND flash controllers and retention solutions, operating astatine standard with a planetary lawsuit base. The institution leverages proprietary exertion and a diversified merchandise portfolio to code the needs of computing, enterprise, and concern retention markets. Its established relationships with large OEMs and flash representation producers underpin a competitory borderline successful the fast-evolving semiconductor sector.

What this transaction means for investors

This merchantability yet looks much similar profit-taking aft a spectacular tally than a nonaccomplishment of assurance successful the business. When a banal has climbed much than 300% successful a year, adjacent committed shareholders often rebalance positions and fastener successful gains.

What's absorbing is that the trim comes arsenic Silicon Motion's underlying concern appears to beryllium accelerating. First-quarter gross surged 105% twelvemonth implicit twelvemonth to $342.1 million, portion nett income climbed to $66.8 million, oregon $1.97 per diluted ADS. The institution besides guided for different beardown 4th ahead, forecasting gross maturation of 15% to 20% sequentially.

Management pointed to marketplace stock gains successful embedded retention controllers, increasing request for automotive products, and expanding vulnerability to AI infrastructure. Perhaps astir notably, Silicon Motion said its enterprise-focused MonTitan level volition participate measurement accumulation earlier than expected, with lawsuit ramps planned crossed 5 tier-one unreality work providers aboriginal this year.

For semipermanent investors, the cardinal takeaway is that this wasn't a afloat exit. Pertento inactive held a meaningful $46.3 cardinal presumption astatine quarter-end. That suggests the money whitethorn beryllium reducing hazard aft a immense rally portion maintaining vulnerability to what could beryllium 1 of the much compelling AI-adjacent maturation stories successful the retention semiconductor market.

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