Driehaus Capital Management 13F: Adds $63M to UCTT Stake

Driehaus Capital Management Expands Ultra Clean Holdings Investment

Driehaus Capital Management boosted its stake in Ultra Clean Holdings, Inc. (NasdaqGS: UCTT) during the period, adding 608,746 shares to its holdings. The latest Form 13F filing with the SEC shows the institutional investor grew its position by 134.2% to reach a total of 1,062,376 shares. That expanded stake carried a reported market value of about $110.4 million at the close of the reporting window.

Position Growth Reflects Larger Bet on UCTT Shares

Before this increase, Driehaus Capital held 453,630 shares of the semiconductor equipment maker. Adding 608,746 shares more than doubled the fund's investment over the course of the quarter. Because institutional 13F filings look backward at past quarters, these records show holdings as of the reporting date and do not necessarily reflect current trading activity.

Ultra Clean Holdings Stock Performance and Valuation

Ultra Clean Holdings shares change hands near a spot price of $103.91. The stock sits well above both its 50-day moving average of $80.87 and its 200-day moving average of $69.47. The company carries a forward P/E ratio of 12.4 alongside a market capitalization sitting around $3.31 billion.

Wall Street Analyst Views and Price Targets

Wall Street firms have kept a close eye on the company's trajectory. On October 9, 2026, Freedom Broker initiated coverage on the stock with a Buy rating and a $127.00 price target. Earlier, on August 4, 2026, Oppenheimer maintained its Outperform rating while raising its price target to $150.00 from $115.00. On the same day, TD Cowen maintained a Buy rating and lifted its target from $130.00 to $140.00, while Needham kept a Buy rating and lifted its target to $125.00 from $92.00. Back on July 9, 2026, TD Cowen also maintained a Buy rating with a $130.00 target on the shares. Five analysts cover the company overall, bringing a consensus mean price target of $137.00.

What Ultra Clean Holdings Does

Ultra Clean Holdings develops and supplies critical subsystems, components, and cleaning services for the semiconductor industry. The firm provides outsourced solutions for the design, prototyping, and manufacturing of advanced systems, gas delivery solutions, and precision hardware used by chipmakers around the world. Institutional moves like the one reported by Driehaus Capital highlight how large funds position themselves within the semiconductor supply chain.

Next Steps and Filings to Watch

Investors tracking Ultra Clean Holdings will look toward its next earnings report scheduled for November 3, 2026, for updated financial metrics. Further insights into institutional sentiment will arrive when managers file subsequent 13F disclosures with regulators. These reports provide a window into past portfolio adjustments without offering forward-looking advice on the stock.