The California State Teachers' Retirement System (CalSTRS) purchased 9.66 million shares of Powell Industries. This transaction increased the pension fund's total stake in the company to 26.55%.
Institutional ownership in Powell Industries now totals 89.77%. A regulatory filing disclosed the investment on September 11, 2026.
The acquisition signals a strong endorsement of Powell’s business and future growth prospects. This significant position may attract further attention from other large institutional investors.