Aquatic Capital Management Reduces Stake in Pinnacle West Capital

The investment firm sold nearly 49,000 shares of the utility provider in the third quarter.

Mar. 17, 2026 at 7:23am

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Aquatic Capital Management LLC reduced its position in Pinnacle West Capital Corporation (NYSE:PNW) by 42.4% in the third quarter, according to a recent SEC filing. The investment firm sold 48,907 shares of the utility company's stock during the period, leaving it with 66,496 shares worth approximately $5.96 million.

Why it matters

Pinnacle West Capital is a major utility provider in Arizona, serving over 1 million residential, commercial, and industrial customers. Changes in institutional ownership of the company's stock can signal shifts in market sentiment and investor confidence in the firm's performance and future prospects.

The details

Aquatic Capital Management cited the sale of nearly 49,000 Pinnacle West Capital shares in its third-quarter 13F filing with the SEC. The firm now owns approximately 66,500 shares of the utility company, down from over 115,000 shares held previously. Pinnacle West Capital's stock price has fluctuated in recent quarters, with the company facing challenges related to evolving environmental regulations and competition from renewable energy sources.

  • Aquatic Capital Management made the share sale in the third quarter of the year.

The players

Aquatic Capital Management LLC

An investment management firm that previously held a sizable stake in Pinnacle West Capital Corporation.

Pinnacle West Capital Corporation

A major electric utility company serving customers across central and southern Arizona.

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The takeaway

The reduction in Aquatic Capital Management's position in Pinnacle West Capital reflects broader market trends and investor sentiment around utility companies navigating the transition to renewable energy sources. However, Pinnacle West Capital remains a significant player in the Arizona energy market, and changes in institutional ownership of its stock warrant close monitoring.