The California State Teachers Retirement System (CalSTRS) significantly increased its investment in SouthState Corporation during the second quarter. A Form 13F filing on September 13, 2026, disclosed the transaction.

The pension fund purchased 11,285,645 additional shares. This represents a 9,480.6% increase in the fund's position. CalSTRS now holds 11,404,684 shares of the bank.

The total stake equates to approximately 11.76% of the company. The market value of the holding was approximately $1.14 billion at the time of disclosure.

This acquisition follows reports of recent insider sales and mixed short-term stock performance. SouthState has maintained solid long-term gains despite recent volatility.