Institutional shares held 29.4 Million
227K calls
213K puts
Total value of holdings $2.44B
$18.9M calls
$17.6M puts
Market Cap $2.39B
28,788,600 Shares Out.
Institutional ownership 101.97%
# of Institutions 411


Latest Institutional Activity in INSP

Top Purchases

Q2 2025
Dragoneer Investment Group, LLC Shares Held: 2.35M ($195M)
Q2 2025
Frontier Capital Management CO LLC Shares Held: 693K ($57.5M)
Q2 2025
Norges Bank Shares Held: 239K ($19.9M)
Q2 2025
Abrdn PLC Shares Held: 243K ($20.2M)
Q2 2025
Wasatch Advisors Inc Shares Held: 1.63M ($136M)

Top Sells

Q2 2025
Invesco Ltd. Shares Held: 333K ($27.7M)
Q2 2025
Allspring Global Investments Holdings, LLC Shares Held: 39.6K ($3.29M)
Q2 2025
Eventide Asset Management, LLC Shares Held: 157K ($13M)
Q2 2025
Granite Investment Partners, LLC Shares Held: 11.8K ($978K)
Q2 2025
Gilder Gagnon Howe & CO LLC Shares Held: 91.8K ($7.61M)

About INSP

Inspire Medical Systems, Inc., a medical technology company, focuses on the development and commercialization of minimally invasive solutions for patients with obstructive sleep apnea (OSA) in the United States and internationally. The company offers Inspire system, a neurostimulation technology that provides a safe and effective treatment for moderate to severe OSA. It also develops a novel, a closed-loop solution that continuously monitors a patient's breathing and delivers mild hypoglossal nerve stimulation to maintain an open airway. The company was incorporated in 2007 and is headquartered in Golden Valley, Minnesota.


Insider Transactions at INSP

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
167K Shares
From 20 Insiders
Grant, award, or other acquisition 103K shares
Exercise of conversion of derivative security 63.7K shares
Bona fide gift 500 shares
Sell / Disposition
151K Shares
From 12 Insiders
Payment of exercise price or tax liability 18.6K shares
Open market or private sale 70.1K shares
Other acquisition or disposition 61.8K shares
Bona fide gift 500 shares

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