Driehaus Capital Management 13F: Adds $87M to UCTT Stake

Driehaus Capital Management significantly increased its stake in Ultra Clean Holdings, Inc., adding 608,746 shares.

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Driehaus Capital Management added 608,746 shares to its stake in Ultra Clean Holdings, Inc. ($UCTT), a 134.19% increase, according to a 13F filing with the SEC dated May 15, 2026. It reported 1,062,376 shares worth $151.48 million at the end of the quarter.

Since the filing, $UCTT is down 2.2% after 1 week, up 32.1% after 1 month and down 40.7% to date (from the $85.94 close on May 15, 2026).

Find the original: Driehaus Capital Management 13F filings on SEC EDGAR

UCTT Ultra Clean Holdings, Inc.
$51 +86.68% year to date
Daily close · Oct 16, 2026

Key Points

  • Driehaus Capital Management boosted its position in Ultra Clean Holdings, Inc. by 134%, adding 608,746 shares to a total of 1,062,376 shares valued at $115.7 million as of the latest 13F filing.
  • Ultra Clean Holdings shares are trading near $108.9 with a market cap of $4.88 billion, a forward P/E of 27.66, and a beta of 1.952, reflecting its volatility relative to the market.
  • Insider transactions include planned sales by executives, while analysts like Oppenheimer and UBS maintain 'buy' ratings with targets up to $130.

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Not investment advice. EarningsIQ is not a registered investment adviser, and this automated Ultra Clean Holdings, Inc. alert may contain errors. Disclosures

Driehaus Capital Management has significantly increased its stake in Ultra Clean Holdings, Inc. (NasdaqGS: UCTT), according to its recent 13F filing with the SEC. The fund added 608,746 shares during the reporting period, boosting its holdings by 134% to a total of 1,062,376 shares. This position is valued at approximately $115.7 million.

What Changed in Driehaus Capital Management's Ultra Clean Holdings Position

Driehaus Capital Management's move reflects a substantial increase in its investment in Ultra Clean Holdings. The fund previously held 453,630 shares and has now increased its stake by 608,746 shares, reaching a total of 1,062,376 shares. This change represents a 134% boost in its position.

Other Institutional Activity in Ultra Clean Holdings

Several other institutional investors have also adjusted their positions in Ultra Clean Holdings. BlackRock, Inc. increased its holdings by 113,167 shares to a total of 6,832,619 shares, valued at $424.9 million. Vanguard Portfolio Management LLC established a new position with 2,802,250 shares worth about $174.2 million. Conversely, State Street Corp reduced its holdings by 14,658 shares, ending with 1,837,824 shares valued at $114.3 million. Frontier Capital Management Co LLC significantly cut its stake by 1,722,388 shares, now holding 1,787,451 shares worth approximately $111.1 million.

Ultra Clean Holdings, Inc. Stock Up 101.9%

Shares of Ultra Clean Holdings, Inc. (NasdaqGS: UCTT) are currently trading near $108.9. The company has a market capitalization of $4.88 billion and a forward P/E ratio of 27.66, indicating expectations of future earnings growth. The stock's beta is 1.952, suggesting it is more volatile than the broader market. Over the past 52 weeks, the stock has ranged from a low of $19.51 to a high of $110.25, with a 50-day moving average of $81.62 and a 200-day moving average of $47.97.

Recent Earnings

Ultra Clean Holdings reported revenue of $2.07 billion, with a modest growth rate of 2.9%. However, the company is not currently profitable, as indicated by a net margin of -9.38% and a return on equity of -22.47%. The next earnings report is expected on July 27, 2026.

Insider Buying and Selling at Ultra Clean Holdings, Inc.

Recent insider activity at Ultra Clean Holdings includes planned sales by CFO Sheri Savage and Chief Accounting Officer Brian Harding on June 4, 2026. Savage sold 30,187 shares at an average price of $89.46, and Harding sold 16,988 shares at a similar price. Additionally, General Counsel Paul Yoonku Cho sold 944 shares on June 2, 2026, without a pre-planned strategy.

Analysts Set New Price Targets

Analysts continue to show confidence in Ultra Clean Holdings. On June 9, 2026, Oppenheimer maintained its 'buy' rating with a price target of $115. UBS initiated coverage with a 'buy' rating and a target of $130 on May 5, 2026. The consensus among analysts is a strong buy, with an average target price of $107.4 based on five opinions.

About Ultra Clean Holdings, Inc.

Ultra Clean Holdings, Inc., based in Hayward, California, develops and supplies critical subsystems and components for the semiconductor industry. Founded in 1991, the company offers solutions for design, engineering, and manufacturing needs, serving sectors like semiconductor equipment, display, consumer, and medical industries. Led by CEO Jinsong Xiao, Ultra Clean employs around 6,948 people.

Bottom Line

Driehaus Capital Management's significant increase in its stake in Ultra Clean Holdings underscores investor interest in the semiconductor equipment sector. However, it's important to remember that 13F filings are backward-looking and may not represent current positions. Investors often track these filings to gauge institutional sentiment and potential future moves.

Source: Driehaus Capital Management's 13F filing on $UCTT (May 15, 2026). 13F filings show holdings as of the end of the reporting quarter and may not reflect the fund's current position. Find the original filing: Driehaus Capital Management 13F filings on SEC EDGAR. Written by software, not financial advice. How we make alerts

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