Several major institutional investors disclosed significant new investments in DexCom, according to 13F filings with the SEC reported on August 27, 2026. Primecap Management Co. CA established a new position by purchasing 192,000 shares, valued at approximately $12.93 million.
In an even larger investment, Legal & General Group Plc also initiated a new stake, acquiring 2,572,193 shares for roughly $173.24 million, giving it a 0.68% ownership of the company. Additionally, Man Group plc purchased 394,449 shares worth approximately $26.57 million, and EFG International AG bought 13,201 shares. These substantial investments from multiple well-regarded firms signal strong institutional confidence in the medical device company's future prospects.