Institutional shares held 29.9 Million
233K calls
227K puts
Total value of holdings $4B
$31.2M calls
$30.3M puts
Market Cap $3.98B
28,788,600 Shares Out.
Institutional ownership 103.99%
# of Institutions 412


Latest Institutional Activity in INSP

Top Purchases

Q1 2025
Ubs Asset Management Americas Inc Shares Held: 1.11M ($154M)
Q1 2025
Dragoneer Investment Group, LLC Shares Held: 1.3M ($180M)
Q1 2025
Congress Asset Management CO Shares Held: 308K ($42.6M)
Q1 2025
Wellington Management Group LLP Shares Held: 208K ($28.7M)
Q1 2025
Wasatch Advisors Inc Shares Held: 1.52M ($211M)

Top Sells

Q1 2025
Marshall Wace, LLP Shares Held: 15.3K ($2.12M)
Q1 2025
William Blair Investment Management, LLC Shares Held: 693K ($95.9M)
Q1 2025
Aqr Capital Management LLC Shares Held: 242K ($33.5M)
Q1 2025
Morgan Stanley Shares Held: 439K ($60.8M)
Q1 2025
Rhenman & Partners Asset Management Ab Shares Held: 16K ($2.21M)

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
175K Shares
From 20 Insiders
Grant, award, or other acquisition 106K shares
Exercise of conversion of derivative security 68.2K shares
Bona fide gift 500 shares
Sell / Disposition
154K Shares
From 13 Insiders
Payment of exercise price or tax liability 18.6K shares
Open market or private sale 70.1K shares
Bona fide gift 3.5K shares
Other acquisition or disposition 61.8K shares

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