Swiss National Bank Trims Holdings in Quanta Services, Inc.

The institutional investor reduced its stake in the construction company by 4.7% in the third quarter.

Mar. 10, 2026 at 11:49am

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Swiss National Bank trimmed its holdings in Quanta Services, Inc. (NYSE:PWR) by 4.7% in the 3rd quarter, according to the company's most recent filing with the Securities and Exchange Commission (SEC). The institutional investor owned 427,235 shares of the construction company's stock, valued at $177,055,000 as of its latest SEC filing.

Why it matters

This move by the Swiss National Bank, one of the world's largest sovereign wealth funds, provides insight into the institutional investor's view on the prospects of Quanta Services, a leading specialty contractor in the electric power, pipeline, and communications infrastructure sectors.

The details

Swiss National Bank reduced its stake in Quanta Services by selling 21,300 shares during the third quarter. The institutional investor now owns approximately 0.29% of the construction company's outstanding shares. Quanta Services has seen its stock price rise significantly over the past year, reaching a 52-week high of $573.97 in February 2026.

  • The institutional investor's holdings in Quanta Services were reduced in the 3rd quarter of 2026.

The players

Swiss National Bank

One of the world's largest sovereign wealth funds, managing the monetary policy and investments of Switzerland.

Quanta Services, Inc.

A leading specialty contractor that provides comprehensive infrastructure solutions for the electric power, pipeline, and communications markets.

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The takeaway

The Swiss National Bank's decision to trim its holdings in Quanta Services suggests that the institutional investor may have concerns about the construction company's future performance or valuation, despite the stock's recent gains. This move could signal a broader shift in investor sentiment towards the infrastructure and energy sectors.