The California State Teachers Retirement System (CalSTRS) significantly expanded its position in Ulta Beauty Inc. during the second quarter.

According to a recent SEC 13F filing, the pension fund purchased an additional 29,365,845 shares.

This acquisition brings the fund's total ownership to 29,433,210 shares.

The move represents a 43,592.1% increase in the fund's previous position.

CalSTRS now controls 68.47% of the beauty retailer.

The total stake is valued at approximately $13.27 billion.

Several other hedge funds have also recently increased their holdings in the company.