American Century Companies Inc. Reduces DexCom Stake

Medical device company's stock ownership cut by nearly half in Q3

Published on Mar. 2, 2026

Got story updates? Submit your updates here. ›

American Century Companies Inc. reduced its holdings in shares of DexCom, Inc. (NASDAQ:DXCM) by 47.3% in the third quarter, according to a recent SEC filing. The fund previously owned 2,492,647 shares of the medical device company's stock, but sold 2,235,590 shares during the period.

Why it matters

DexCom is a leading manufacturer of continuous glucose monitoring (CGM) systems, which are an important tool for diabetes management. The reduction in American Century's stake could signal a shift in investor sentiment around the company or the broader medical device industry.

The details

According to the filing, American Century Companies Inc. now owns approximately 0.64% of DexCom's outstanding shares, down from 1.21% previously. The sale of 2,235,590 shares resulted in the fund's position being reduced to 2,492,647 shares worth $167,730,000 at the end of the third quarter.

  • The stake reduction occurred in the third quarter of 2026.

The players

American Century Companies Inc.

A major institutional investor and asset management firm.

DexCom, Inc.

A medical device company that develops and manufactures continuous glucose monitoring systems for people with diabetes.

Got photos? Submit your photos here. ›

The takeaway

The reduction in American Century's DexCom stake could signal broader shifts in investor sentiment around the medical device industry, though the specific reasons behind the sale are not entirely clear. Investors will likely continue to monitor DexCom's performance and any changes in major institutional holdings.