Bamco Inc. NY Reduces Inspire Medical Systems Stock Holdings

Investment firm cuts stake in medical device company by over 60% in Q3

Mar. 16, 2026 at 8:19am

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Bamco Inc. NY, an investment management firm, decreased its holdings in Inspire Medical Systems, Inc. (NYSE:INSP) by 61.4% in the third quarter of 2026, according to a recent 13F filing with the Securities & Exchange Commission. The firm now owns 190,023 shares of the medical device company's stock, worth approximately $14.1 million.

Why it matters

Inspire Medical Systems is a leading provider of implantable neurostimulation devices for the treatment of obstructive sleep apnea. The company's flagship Inspire system has seen growing adoption, but its stock price has been volatile amid broader market conditions. Bamco's reduced stake could signal a shift in investor sentiment around the company.

The details

According to the 13F filing, Bamco sold 301,729 shares of Inspire Medical Systems during the third quarter, reducing its total position by 61.4%. The firm now owns about 0.65% of the company's outstanding shares. Inspire Medical Systems' stock has traded in the range of $53.11 to $172.95 over the past 52 weeks, closing at $58.64 on Monday.

  • Bamco Inc. NY decreased its Inspire Medical Systems holdings in the 3rd quarter of 2026.
  • Inspire Medical Systems' stock price has ranged from $53.11 to $172.95 over the past 52 weeks.

The players

Bamco Inc. NY

An investment management firm that decreased its holdings in Inspire Medical Systems by over 60% in Q3 2026.

Inspire Medical Systems, Inc.

A medical device company that provides implantable neurostimulation devices for the treatment of obstructive sleep apnea.

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The takeaway

Bamco's reduced stake in Inspire Medical Systems could signal broader market uncertainty around the company's prospects, despite the growing adoption of its sleep apnea treatment technology. Investors will be watching to see if other institutional investors follow suit or if Inspire can regain investor confidence.