SSITM
    QuantArtificial IntelligenceModel Portfolio

    Why I Initiated SiTime in the Vulcan Quant Growth Portfolio

    Why I Initiated SiTime in the Vulcan Quant Growth Portfolio
    • Initiated SITM for accelerating demand, rising earnings revisions, AI-relevant precision-timing products, and solid cash generation warranting portfolio exposure
    • Quant screen strength - A+ growth and earnings-revision grades, A momentum; scored 90.7/100 with 40% weight on quant and 40% on forward growth, 10% financial, 10% value. Overlaps on Quant somewhat.
    • Company fundamentals show Q2 revenue +127% to $157.4M, positive GAAP operating income, and trailing free-cash-flow margin of 18.1%
    • Renesas timing acquisition closed July 1, expected ~ $300M revenue first 12 months, ~70% gross margins; consideration ~$1.5B cash, 3.56M shares issued, $1.35B convertible notes
    • Valuation and monitoring, ~61.8x next-fiscal-year earnings at Oct 5 price, demanding multiple - watch integration, post-acquisition growth, margins, and leverage metrics
    Glenn Ford
    Oct 5, 20262:12 PM ET130

    Position initiated: SiTime (SITM). My thesis is that accelerating demand, rising earnings expectations, and an expanded precision-timing business justify exposure within this quant-led growth portfolio. This is a portfolio initiation thesis based on a light screen, not a completed Full Deep Vulcan rating or a claim of a verified margin of safety.

    I initiated a position in SiTime because it brings together several things this portfolio is designed to look for: strong growth expectations, favorable earnings revisions, a business with a useful role in the AI buildout, and enough current cash generation to make the opportunity worth investigating beyond the headline numbers.

    There are qualifications. The valuation is demanding, the company has just completed a substantial acquisition, and the growth forecasts are unusually ambitious. I want to explain both why the position belongs in the portfolio and what the business still has to prove.

    The Vulcan Quant Growth Portfolio launched in November 2024 with a systematic approach to buying, holding, and selling growth stocks. Its results have been heavily influenced by companies serving the AI hardware supply chain. Micron, Celestica, and Credo have become important positions as their shares appreciated, while the process has also retained exposure to businesses outside technology.

    From January 1 through October 4, 2026, the account returned 26.55%, compared with 13.81% for the S&P 500 over the same period. That is an advantage of 12.74 percentage points, using the brokerage's reported pre-tax performance. These are cumulative returns for that period, not an annualized projection or a backtest of today's holdings. [5]

    That experience shapes how I think about a new holding. A promising company needs a credible path toward growing earnings, and the portfolio needs room for that progress to become meaningful. At the same time, I have to resist assuming that every company attached to the AI theme will reproduce the gains of the existing winners.

    SiTime's business gives me a specific operating thesis to follow.

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