The California State Teachers Retirement System (CalSTRS) purchased over 1.33 million shares of Seaboard Corporation during the second quarter. This acquisition increased the pension fund's holdings by more than 364,000%. CalSTRS disclosed the position in a September 10, 2026, 13F filing. The fund now reportedly owns approximately 139.5% of the company. This ownership figure likely results from reporting anomalies or specific share class structures.

The total value of the CalSTRS stake is nearly $6 billion. JPMorgan Chase & Co. also increased its position in Seaboard by 97% during the same quarter. Seaboard’s stock has maintained a twelve-month range between $3,140.01 and $5,989.37. These significant institutional moves signal strong confidence in the company's future prospects.