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Inspire Medical Systems (INSP) Institutional Ownership

Inspire Medical Systems logo
$61.16 +0.62 (+1.03%)
Closing price 11/13/2026 03:59 PM Eastern
Extended Trading
$59.89 -1.28 (-2.08%)
As of 11/13/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Inspire Medical Systems (NYSE:INSP)

Current
Institutional Ownership
Percentage
94.91%
Number of
Institutional Buyers
(last 12 months)
194
Total
Institutional Inflows
(last 12 months)
$1.49B
Number of
Institutional Sellers
(last 12 months)
88
Total
Institutional Outflows
(last 12 months)
$600.30M
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INSP Institutional Buying and Selling by Quarter

Inspire Medical Systems Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/14/2026Marshall Wace LLP7,672$532K0.0%N/A0.026%
11/13/2026Empowered Funds LLC3,213$223K0.0%-93.7%0.011%
11/13/2026Nantahala Capital Management LLC293,034$20.33M0.6%+8.7%1.012%
11/13/2026Healthcare of Ontario Pension Plan Trust Fund96,900$6.72M0.0%N/A0.334%
11/13/2026State Board of Administration of Florida Retirement System7,648$530K0.0%-4.9%0.026%
11/12/2026 First Trust Advisors LP8,839$613K0.0%-74.2%0.031%
11/12/2026 State Street Corp1,250,262$86.72M0.0%-48.2%4.316%
11/10/2026 Voya Investment Management LLC5,567$386K0.0%-70.4%0.019%
11/10/2026 Public Sector Pension Investment Board98,386$6.81M0.0%+9.2%0.340%
11/10/2026 Rothschild Investment LLC9,554$663K0.0%+2.0%0.033%
11/10/2026 Edgestream Partners L.P.46,063$3.20M0.1%N/A0.159%
11/9/2026 Alberta Investment Management Corp76,800$5.33M0.0%-37.5%0.265%
11/9/2026 Royce & Associates LP3,467$240K0.0%N/A0.012%
11/6/2026 William Blair Investment Management LLC639,584$44.36M0.1%N/A2.208%
11/6/2026 Russell Investments Group Ltd.10,627$737K0.0%+7.1%0.037%
11/6/2026 Eurizon Capital SGR S.p.A.342$25K0.0%-68.7%0.001%
11/6/2026 Fifth Third Bancorp6,094$423K0.0%-6.2%0.021%
11/5/2026 Maryland State Retirement & Pension System6,432$446K0.0%N/A0.022%
11/5/2026Jefferies Financial Group Inc.23,428$1.63M0.0%N/A0.081%
11/4/2026 Fulcrum Asset Management LLP7,854$575K0.0%+7,309.4%0.027%
11/4/2026 Brighton Jones LLC3,285$228K0.0%-27.3%0.011%
11/3/2026 Alps Advisors Inc.7,807$541K0.0%-8.8%0.027%
11/2/2026 Commonwealth Equity Services LLC5,163$358K0.0%-21.0%0.018%
10/30/2026 Oregon Public Employees Retirement Fund6,462$448K0.0%+8.4%0.022%
10/29/2026 ProShare Advisors LLC3,978$276K0.0%N/A0.014%
10/29/2026 Vise Technologies Inc.3,635$252K0.0%N/A0.013%
10/28/2026 VIRGINIA RETIREMENT SYSTEMS ET Al4,500$312K0.0%N/A0.016%
10/28/2026 BOKF NA1,243$86K0.0%-51.9%0.000%
10/28/2026 Pinnacle Wealth Planning Services Inc.1,172$81K0.0%+19.8%0.000%
10/24/2026 Apollon Wealth Management LLC3,482$242K0.0%N/A0.012%
10/23/2026 Sterling Capital Management LLC914$63K0.0%+450.6%0.003%
10/22/2026 Yousif Capital Management LLC7,552$524K0.0%+5.7%0.026%
10/21/2026 Nisa Investment Advisors LLC1,200$83K0.0%+68.5%0.004%
10/20/2026 Cordatus Wealth Management LLC4,118$286K0.1%N/A0.014%
10/15/2026 Assenagon Asset Management S.A.643,315$44.62M0.0%-25.6%2.225%
10/15/2026 State of Alaska Department of Revenue6,048$418K0.0%-41.2%0.021%
10/9/2026 GAMMA Investing LLC1,526$106K0.0%+25.0%0.005%
10/8/2026 Valeo Financial Advisors LLC3,300$229K0.0%N/A0.011%
9/23/2026Envestnet Portfolio Solutions Inc.6,631$296K0.0%N/A0.023%
9/9/2026 WINTON GROUP Ltd37,412$1.67M0.1%+790.8%0.129%
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9/9/2026Integrated Wealth Concepts LLC2,946$131K0.0%N/A0.010%
9/9/2026 Squarepoint Ops LLC24,259$1.08M0.0%-63.7%0.084%
9/8/2026 Allworth Financial LP1,980$88K0.0%+275.7%0.007%
9/8/2026 Arizona State Retirement System7,151$319K0.0%-7.5%0.025%
9/8/2026 Nykredit A S1,754$78K0.0%N/A0.006%
8/27/2026Corient Private Wealth LP57,535$2.57M0.0%+993.8%0.199%
8/26/2026 Amundi12,552$560K0.0%-95.1%0.043%
8/21/2026 AXQ Capital LP29,630$1.32M0.1%-10.3%0.102%
8/21/2026 Nykredit A S1,754$78K0.0%N/A0.006%
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC546,020$24.36M0.0%+21.7%1.889%
8/19/2026Van ECK Associates Corp5,267$235K0.0%+24.2%0.018%
8/19/2026Hsbc Holdings PLC6,241$274K0.0%-68.4%0.022%
8/19/2026Wellington Management Group LLP2,382,660$106.29M0.0%-6.0%8.242%
8/19/2026Nantahala Capital Management LLC269,474$12.02M0.0%N/A0.932%
8/18/2026Palo Alto Investors LP8,772$391.32K0.0%N/A0.030%
8/18/2026Empowered Funds LLC50,657$2.26M0.0%N/A0.175%
8/17/2026Corient Private Wealth LP57,530$2.57M0.0%N/A0.199%
8/17/2026Bank of America Corp DE248,802$11.10M0.0%N/A0.861%
8/15/2026Freestone Grove Partners LP7,811$348K0.0%N/A0.027%
8/15/2026Odyssean LLC26,282$1.17M0.2%N/A0.091%
8/15/2026Jupiter Topco LLC13,451$601K0.0%N/A0.047%
8/14/2026ADAR1 Capital Management LLC374,617$16.71M0.8%N/A1.296%
8/14/2026Hsbc Holdings PLC6,241$274K0.0%N/A0.022%
8/14/2026Canada Pension Plan Investment Board165,100$7.37M0.0%N/A0.571%
8/14/2026Legal & General Group Plc61,236$2.73M0.0%N/A0.212%
8/14/2026The Manufacturers Life Insurance Company20,525$916K0.0%N/A0.071%
8/14/2026Algert Global LLC60,517$2.70M0.0%+14.5%0.209%
8/13/2026Sanctuary Advisors LLC4,779$213K0.0%N/A0.017%
8/13/2026Bank of Nova Scotia144,964$6.47M0.0%N/A0.501%
8/12/2026 Quantbot Technologies LP25,954$1.16M0.0%N/A0.090%
8/11/2026 Allworth Financial LP1,980$88K0.0%N/A0.007%
8/7/2026BlackRock Inc.4,737,519$211.34M0.0%N/A16.387%
8/7/2026 Deutsche Bank AG176,200$7.86M0.0%N/A0.609%
8/7/2026 Mitsubishi UFJ Asset Management Co. Ltd.11,875$530K0.0%N/A0.041%
8/6/2026 Alberta Investment Management Corp122,900$5.48M0.0%N/A0.427%
8/6/2026 Bank of New York Mellon Corp148,627$6.63M0.0%N/A0.516%
8/6/2026GSA Capital Partners LLP18,382$820K0.1%N/A0.064%
7/10/2026 Handelsbanken Fonder AB14,200$633K0.0%+44.9%0.049%
7/9/2026 Tactive Advisors LLC6,430$287K0.1%N/A0.022%
7/8/2026 Assenagon Asset Management S.A.864,395$38.56M0.0%+66.2%3.000%
7/7/2026 GAMMA Investing LLC1,221$54K0.0%+85.0%0.004%
7/2/2026 Versant Capital Management Inc958$43K0.0%+379.0%0.003%
5/26/2026Glenmede Trust Co. NA81,495$4.20M0.0%-0.6%0.283%
5/19/2026Bank of America Corp DE186,069$9.60M0.0%-11.4%0.646%
5/19/2026 Edgestream Partners L.P.82,268$4.24M0.1%+358.2%0.286%
5/19/2026Janus Henderson Group PLC13,451$694K0.0%-97.6%0.047%
5/18/2026ADAR1 Capital Management LLC405,197$20.90M1.2%+2,601.3%1.406%
5/18/2026 Amundi256,830$13.25M0.0%-29.6%0.891%
5/18/2026 EverSource Wealth Advisors LLC632$33K0.0%+1,115.4%0.002%
5/18/2026California State Teachers Retirement System34,473$1.78M0.0%+31.6%0.120%
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5/18/2026Royal Bank of Canada252,971$13.05M0.0%+2,203.1%0.878%
5/18/2026Regal Partners Ltd135,767$7.00M0.4%-35.7%0.471%
5/18/2026Rock Springs Capital Management LP131,800$6.80M0.4%+0.6%0.457%
5/18/2026Empowered Funds LLC34,876$1.80M0.0%N/A0.121%
5/16/2026The Manufacturers Life Insurance Company21,005$1.08M0.0%-4.3%0.073%
5/16/2026Quantinno Capital Management LP26,555$1.37M0.0%+103.5%0.092%
5/16/2026Lazard Asset Management LLC18,938$977K0.0%-57.9%0.066%
5/15/2026OMERS ADMINISTRATION Corp16,153$833K0.0%+11.0%0.056%
5/14/2026 Renaissance Technologies LLC469,968$24.24M0.0%+14.4%1.631%
5/14/2026Bank of Nova Scotia60,000$3.10M0.0%+49.8%0.208%


INSP Institutional Ownership - Frequently Asked Questions

During the previous two years, 403 institutional investors and hedge funds held shares of Inspire Medical Systems. The most heavily invested institutionals were FMR LLC ($467.07M), Dragoneer Investment Group LLC ($305.53M), Vanguard Group Inc. ($272.37M), BlackRock Inc. ($211.34M), Morgan Stanley ($116.19M), Wellington Management Group LLP ($106.29M), and Frontier Capital Management Co. LLC ($89.96M).Learn more on Inspire Medical Systems' institutional investors.

94.91% of Inspire Medical Systems' stock is owned by institutional investors. Learn more on INSP's institutional investor holdings.

Of the 351 institutional investors that purchased Inspire Medical Systems' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($4.74M), Wellington Management Group LLP ($2.21M), Dragoneer Investment Group LLC ($1.93M), Fuller & Thaler Asset Management Inc. ($1.35M), William Blair Investment Management LLC ($1.24M), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($1.08M), and M&T Bank Corp ($937.18K).

Institutional investors have bought a total of 21,043,530 shares in the last 24 months. This purchase volume represents approximately $1.49B in transactions.

Of the 85 institutional investors that sold Inspire Medical Systems' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Wasatch Advisors LP ($1.52M), State Street Corp ($1.22M), Janus Henderson Group PLC ($653.63K), Balyasny Asset Management L.P. ($427.13K), UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($370.28K), Amundi ($352.07K), and Braidwell LP ($342.86K).

Institutional investors have sold a total of 8,027,615 shares in the last 24 months. This volume of shares sold represents approximately $600.30M in transactions.


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Institutional ownership data for NYSE:INSP is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 11/14/2026. New 13F filings are added each quarter as they're published.
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