The California State Teachers Retirement System increased its stake in semiconductor packaging and test services provider Amkor Technology by 8,553.4% in the second quarter. A September 13, 2026 report detailed the investment. The pension fund now holds nearly 12.39 million shares. These shares are valued at approximately $1.07 billion. This represents a 4.99% ownership stake.
This substantial purchase highlights a strong vote of confidence in Amkor's future. Amkor recently reported strong quarterly results. The company also provided positive guidance for the third quarter. The company recently declared a quarterly dividend of $0.0835 per share.