William Blair Investment Management Adds $31M in Nextpower Inc. ($NXT)

The firm added 259,695 shares, boosting its position by 19% to 1.62 million shares.

Editorial illustration for Nextpower Inc. (NXT)

Key Points

  • William Blair Investment Management increased its stake in NXT by 19%, adding 259,695 shares for a total of 1.62 million shares valued at $194.18 million.
  • NXT, trading at $119.68, has a market cap of $18.32 billion and a P/E ratio of 31.74, with a 52-week range between $51.69 and $163.13.
  • Insider sales by CEO Daniel Shugar and CFO Charles Boynton occurred in early June, while analysts maintained positive ratings with price targets up to $182.

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William Blair Investment Management has increased its stake in NXT (NasdaqGS: NXT) by 19%. According to the latest SEC filing on May 8, 2026, the firm added 259,695 shares, bringing its total holdings to 1,622,489 shares. These shares are now valued at approximately $194.18 million.

What Changed in William Blair Investment Management's NXT Position

William Blair Investment Management significantly boosted its holdings in NXT, moving from 1,362,794 shares to 1,622,489 shares. This increase of 259,695 shares represents a 19% rise in its position, reflecting a strong commitment to the company.

Other Institutional Activity in NXT

Several other institutional investors also adjusted their positions in NXT. BlackRock, Inc. increased its holdings by 559,971 shares, ending with 24,872,657 shares valued at about $2.99 billion. FMR LLC added 3,037,860 shares, bringing its total to 20,248,938 shares worth approximately $2.44 billion. Meanwhile, Primecap Management Co/CA/ reduced its stake by 190,750 shares, leaving it with 6,760,847 shares valued at $815.02 million. Vanguard Portfolio Management LLC and Vanguard Capital Management LLC both established new positions with 6,704,709 and 6,405,953 shares, respectively.

Nextpower Inc. Stock Up 40.1%

Shares of NXT traded around $119.68. The company boasts a market capitalization of $18.32 billion and a P/E ratio of 31.74. Its forward P/E is 20.88, indicating future growth expectations. The stock's 52-week range spans from $51.69 to $163.13, with a 50-day moving average of $124.24 and a 200-day moving average of $102.56. NXT's beta is 1.735, reflecting its volatility compared to the market.

Year to date

$NXT stock price

Daily closing prices, year to date. Not investment advice.

Recent Earnings

In its recent earnings report, NXT recorded revenue of $3.56 billion, though it faced a slight revenue decline of 4.7%. The company's net margin stood at 16.46%, with a return on equity of 29.57%. Investors are looking forward to its next earnings release on May 12, 2026.

Insider Buying and Selling at Nextpower Inc.

Recent insider activity at NXT included several transactions by CEO Daniel Shugar. On June 5, 2026, Shugar sold 21,402 shares at $144.73 each. A day earlier, he bought the same number of shares at $21.00. On June 1, 2026, CFO Charles Boynton sold 4,500 shares at $151.79 under a pre-planned 10b5-1 trading plan. Additionally, Shugar sold 55,000 shares at $144.97 on the same day.

Analysts Set New Price Targets

Analysts have maintained their positive outlook on NXT. On June 8, 2026, Mizuho maintained a 'hold' rating with a price target of $142. GLJ Research, Susquehanna, and several others have kept 'buy' ratings, with targets ranging from $149.44 to $182. The consensus recommendation is a 'buy', with an average price target of $150.19 based on 26 analyst opinions.

About Nextpower Inc.

Nextpower Inc., headquartered in Fremont, California, provides solar and energy technology solutions for utility-scale power plants globally. The company offers a variety of solar tracking solutions, including the NX Horizon series, which adapts to challenging terrains and weather conditions. Founded in 2013 and led by CEO Daniel S. Shugar, Nextpower serves engineering, procurement, and construction firms, as well as solar project developers and owners.

Bottom Line

William Blair Investment Management's increased stake in NXT highlights its confidence in the company's potential. Investors track such filings for insights into institutional sentiment, though it's important to remember that 13F filings are historical and may not reflect current positions. NXT's solid market position and analyst support suggest continued interest in its performance.

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