Free Trial
→ Silicon Valley Gold Rush (From Stansberry Research) (Ad) Buy INSP Stock  Free INSP Stock Alerts

Inspire Medical Systems (INSP) Institutional Ownership

Inspire Medical Systems logo
$158.33 -0.05 (-0.03%)
As of 02:40 PM Eastern
This is a fair market value price provided by Polygon.io. Learn more.
Compare

Institutional Ownership Changes (13F Filings) for Inspire Medical Systems (NYSE:INSP)

Current
Institutional Ownership
Percentage
94.91%
Number of
Institutional Buyers
(last 12 months)
221
Total
Institutional Inflows
(last 12 months)
$1.52B
Number of
Institutional Sellers
(last 12 months)
142
Total
Institutional Outflows
(last 12 months)
$1.30B
Get INSP Insider Trade Alerts

Want to know when executives and insiders are buying or selling Inspire Medical Systems stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Skip Chart & View Institutional Buying and Selling Data

INSP Institutional Buying and Selling by Quarter

Inspire Medical Systems Major Shareholders & Ownership History

Export to Excel
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/1/2025Louisiana State Employees Retirement System14,000$2.23M0.0%-3.4%0.047%
5/1/2025New York State Common Retirement Fund182,750$29.11M0.0%+23.7%0.614%
5/1/2025Mutual of America Capital Management LLC4,321$688K0.0%-4.8%0.015%
5/1/2025Xponance Inc.4,045$644K0.0%+5.8%0.014%
4/30/2025Cerity Partners LLC6,359$1.01M0.0%-45.9%0.021%
4/30/2025Nisa Investment Advisors LLC268$43K0.0%-27.2%0.001%
4/30/2025Banque Pictet & Cie SA2,927$466K0.0%N/A0.010%
4/30/2025M&T Bank Corp2,914$464K0.0%-17.4%0.010%
4/30/2025Values First Advisors Inc.2,072$329K0.2%N/A0.007%
4/29/2025 Envestnet Asset Management Inc.34,151$5.44M0.0%+33.1%0.115%
4/29/2025 Bank of New York Mellon Corp380,260$60.57M0.0%-34.5%1.278%
4/28/2025 Principal Financial Group Inc.147,768$23.54M0.0%+1.0%0.497%
4/28/2025 Oregon Public Employees Retirement Fund6,803$1.08M0.0%-3.6%0.023%
4/28/2025 Teacher Retirement System of Texas8,371$1.33M0.0%-38.8%0.028%
4/28/2025 WCM Investment Management LLC72,860$11.46M0.0%+30.7%0.245%
4/28/2025 Keybank National Association OH201,070$32.03M0.1%+0.2%0.676%
4/25/2025 New York State Teachers Retirement System21,390$3.41M0.0%+132.7%0.072%
4/25/2025 Amalgamated Bank9,442$1.50M0.0%-2.7%0.032%
4/25/2025 Lisanti Capital Growth LLC4,810$766K0.2%N/A0.016%
4/24/2025 Allspring Global Investments Holdings LLC306,740$48.46M0.1%-6.0%1.031%
4/23/2025 Bessemer Group Inc.7,183$1.15M0.0%+1.7%0.024%
4/23/2025 Oppenheimer Asset Management Inc.15,206$2.42M0.0%+16.7%0.051%
4/21/2025 Riverbridge Partners LLC132,391$21.09M0.3%-6.8%0.445%
4/21/2025 State of Alaska Department of Revenue16,440$2.62M0.0%-3.5%0.055%
4/17/2025 Janney Montgomery Scott LLC4,332$690K0.0%-9.9%0.015%
4/17/2025 Exchange Traded Concepts LLC10,706$1.71M0.0%+2,028.4%0.036%
4/16/2025 Wealth Enhancement Advisory Services LLC4,541$723K0.0%-57.8%0.015%
4/16/2025 Azzad Asset Management Inc. ADV10,976$1.75M0.2%N/A0.037%
4/15/2025 Fifth Third Bancorp2,698$430K0.0%+66.2%0.009%
4/15/2025 Handelsbanken Fonder AB10,000$1.59M0.0%+19.0%0.034%
4/15/2025 SG Americas Securities LLC4,055$646K0.0%+14.7%0.014%
4/15/2025 GAMMA Investing LLC573$91K0.0%+253.7%0.002%
4/14/2025 Yousif Capital Management LLC11,238$1.79M0.0%-3.0%0.038%
4/14/2025 Pallas Capital Advisors LLC1,979$315K0.0%-51.0%0.007%
4/14/2025 Portside Wealth Group LLC1,344$214K0.0%N/A0.005%
4/11/2025 Congress Asset Management Co.307,555$48.99M0.4%+3,943.6%1.033%
4/10/2025 Lmcg Investments LLC27,840$4.43M0.3%+3.6%0.094%
4/9/2025 Sentry Investment Management LLC927$139K0.1%-23.0%0.003%
4/8/2025 Rhumbline Advisers71,535$11.39M0.0%-2.9%0.240%
4/8/2025 Parallel Advisors LLC210$33K0.0%+356.5%0.001%
The collapse has already started (Ad)

The headlines scream tariffs and export bans — but the real damage is happening in retirement portfolios. Tim Plaehn reveals how the 2025 trade war is quietly eroding dividend income — and which U.S.-focused stocks are still raising payouts.

Watch the 2025 Trade War dividend protection briefing now
4/7/2025 GAMMA Investing LLC91,267$145.37M0.0%+56,237.7%0.307%
4/1/2025 MassMutual Private Wealth & Trust FSB9,699$1.55M0.0%-5.3%0.033%
3/24/2025Wellington Management Group LLP244,388$45.31M0.0%-82.4%0.824%
3/18/2025California State Teachers Retirement System27,865$5.17M0.0%-0.8%0.094%
3/17/2025 Wealth Enhancement Advisory Services LLC10,760$2.00M0.0%+37.9%0.036%
2/25/2025Polar Asset Management Partners Inc.5,100$945K0.0%N/A0.017%
2/22/2025American Trust1,393$258K0.0%-6.3%0.005%
2/19/2025Public Employees Retirement System of Ohio35,178$6.52M0.0%-3.3%0.119%
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC353,835$65.59M0.0%-3.1%1.181%
2/17/2025Squarepoint Ops LLC2,477$459K0.0%-185.4%0.008%
2/17/2025Two Sigma Investments LP16,384$3.04M0.0%+9.3%0.055%
2/17/2025Tidal Investments LLC1,449$269K0.0%-4.5%0.005%
2/17/2025True Wealth Design LLC196$36K0.0%+39.0%0.001%
2/17/2025Thornburg Investment Management Inc.24,869$4.61M0.1%-1.5%0.083%
2/17/2025Polar Asset Management Partners Inc.5,100$945K0.0%N/A0.017%
2/17/2025Man Group plc175,926$32.61M0.1%+112.7%0.587%
2/17/2025Nuveen Asset Management LLC153,468$28.45M0.0%-15.0%0.512%
2/17/2025Lazard Asset Management LLC64,282$11.92M0.0%-1.4%0.214%
2/17/2025Integral Health Asset Management LLC100,000$18.54M1.6%-37.5%0.334%
2/17/2025Jacobs Levy Equity Management Inc.210,160$38.96M0.1%+869.9%0.701%
2/17/2025Janus Henderson Group PLC567,312$105.17M0.1%+12.9%1.893%
2/17/2025Graham Capital Management L.P.1,478$274K0.0%N/A0.005%
2/17/2025Focus Partners Wealth2,113$392K0.0%+11.2%0.007%
2/17/2025Fred Alger Management LLC63,125$11.70M0.1%-9.6%0.211%
2/17/2025Frontier Capital Management Co. LLC418,854$77.65M0.7%+6.0%1.398%
2/17/2025Deutsche Bank AG6,284$1.17M0.0%+6.1%0.021%
2/17/2025Dragoneer Investment Group LLC871,110$161.49M2.8%N/A2.907%
2/17/2025Cetera Investment Advisers16,720$3.10M0.0%+3.9%0.056%
2/17/2025Centiva Capital LP11,340$2.10M0.0%N/A0.038%
2/17/2025Braidwell LP293,410$54.39M1.6%+22.8%0.979%
2/17/2025Captrust Financial Advisors3,034$562K0.0%+2.0%0.010%
2/17/2025Baird Financial Group Inc.28,391$5.26M0.0%-12.3%0.095%
2/17/2025Bamco Inc. NY347,800$64.48M0.2%+2.5%1.160%
2/17/2025Beck Bode LLC34,711$6.44M1.2%N/A0.116%
2/17/2025Bellevue Group AG148,478$27.53M0.5%-23.9%0.495%
2/17/2025Bank of America Corp DE46,396$8.60M0.0%-43.7%0.155%
2/17/2025BNP Paribas Financial Markets7,991$1.48M0.0%+69.6%0.027%
2/17/2025Ameriprise Financial Inc.104,756$19.42M0.0%-41.0%0.350%
2/17/2025Algert Global LLC43,012$7.97M0.2%-5.6%0.144%
2/14/2025Mercer Global Advisors Inc. ADV1,643$305K0.0%-28.1%0.005%
2/14/2025Caisse DE Depot ET Placement DU Quebec3,983$738K0.0%N/A0.013%
2/14/2025Comerica Bank25,159$4.66M0.0%+26.6%0.084%
2/14/2025PDT Partners LLC18,042$3.35M0.3%-22.9%0.060%
2/14/2025Schonfeld Strategic Advisors LLC4,570$847K0.0%-40.2%0.015%
2/14/2025AQR Capital Management LLC438,844$81.35M0.1%-1.7%1.464%
2/14/2025Northern Trust Corp244,249$45.28M0.0%+40.2%0.815%
2/14/2025The Manufacturers Life Insurance Company 6,364$1.18M0.0%-59.4%0.021%
2/14/2025Tri Locum Partners LP150,788$27.95M5.8%-0.4%0.503%
2/14/2025Aquatic Capital Management LLC13,152$2.44M0.1%-51.5%0.044%
2/14/2025Gilder Gagnon Howe & Co. LLC187,693$34.80M0.4%-15.9%0.626%
Buffett’s favorite chart just hit 209% – here’s what that means for gold (Ad)

A Historic Gold Announcement Is About to Rock Wall Street For months, sharp-eyed analysts have watched the quiet buildup behind the scenes. Now, in just days, the floodgates are set to open. The greatest investor of all time is about to validate what Garrett Goggin has been saying for months: Gold is entering a once-in-a-generation mania. Front-running Buffett has never been more urgent — and four tiny miners could be your ticket to 100X gains.

Be ready before the historic gold move. Get Garrett’s Top Four picks now.
2/14/2025Bullseye Asset Management LLC36,128$6.70M3.1%-1.3%0.121%
2/14/2025Nebula Research & Development LLC2,958$548K0.1%N/A0.010%
2/14/2025Voya Investment Management LLC156,575$29.03M0.0%+1.7%0.522%
2/14/2025Fuller & Thaler Asset Management Inc.232,388$43.08M0.2%+8.0%0.775%
2/14/2025Price T Rowe Associates Inc. MD57,932$10.74M0.0%-64.7%0.193%
2/14/2025Dark Forest Capital Management LP1,439$267K0.0%N/A0.005%
2/14/2025Eversept Partners LP294,302$54.56M4.8%+6.5%0.982%
2/14/2025Nippon Life Global Investors Americas Inc.23,380$4.33M0.2%-18.2%0.078%
2/14/2025State of Tennessee Department of Treasury14,229$2.64M0.0%+49.1%0.047%
2/14/2025Tower Research Capital LLC TRC 1,275$236K0.0%-43.4%0.004%
(Data available from 1/1/2016 forward)

INSP Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of INSP shares?

During the previous two years, 440 institutional investors and hedge funds held shares of Inspire Medical Systems. The most heavily invested institutionals were Vanguard Group Inc. ($606.26M), BlackRock Inc. ($590.06M), FMR LLC ($467.07M), Wasatch Advisors LP ($245.03M), Baillie Gifford & Co. ($232.84M), State Street Corp ($221.56M), and William Blair Investment Management LLC ($167.33M).Learn more on INSP's institutional investors.

What percentage of Inspire Medical Systems stock is owned by institutional investors?

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

Which institutional investors have been buying Inspire Medical Systems stock?

Of the 368 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: Baillie Gifford & Co. ($1.47M), FMR LLC ($1.40M), Dragoneer Investment Group LLC ($871.11K), Wellington Management Group LLP ($864.77K), Bank of New York Mellon Corp ($517.41K), Raymond James Financial Inc. ($513.58K), and State Street Corp ($459.99K).

How much institutional buying is happening at Inspire Medical Systems?

Institutional investors have bought a total of 17,184,452 shares in the last 24 months. This purchase volume represents approximately $3.50B in transactions.

Which Inspire Medical Systems major shareholders have been selling company stock?

Of the 228 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: Wellington Management Group LLP ($2.91M), Invesco Ltd. ($892.45K), FMR LLC ($739.75K), Point72 Asset Management L.P. ($682.18K), BlackRock Inc. ($464.52K), Allspring Global Investments Holdings LLC ($461.06K), and Bank of New York Mellon Corp ($425.14K).

How much institutional selling is happening at Inspire Medical Systems?

Institutional investors have sold a total of 13,395,345 shares in the last 24 months. This volume of shares sold represents approximately $2.83B in transactions.


Related Companies

This page (NYSE:INSP) was last updated on 5/1/2025 by MarketBeat.com Staff
From Our Partners
How to invest in Elon Musk’s Optimus before its launch
Elon Musk is set to completely take over the AI industry with Optimus… A breakthrough AI-powered robot that El...
InvestorPlace | Sponsored
Elon Set to Shock the World by May 1st ?
Tech legend Jeff Brown recently traveled to the industrial zone of South Memphis to investigate what he believ...
Brownstone Research | Sponsored
This Is How Empires Fall
The headlines scream tariffs and export bans — but the real damage is happening in retirement portfolios. Tim ...
Investors Alley | Sponsored
Blackrock’s Sending THIS Crypto Higher on Purpose
While everyone's distracted by Bitcoin's moves, a stealth revolution is underway. One altcoin is quietly po...
Crypto 101 Media | Sponsored
Elon Musk’s next move from the Oval Office?
No one is closer to President Trump than Tesla CEO Elon Musk. He's been dubbed Trump's "first buddy." Tr...
Weiss Ratings | Sponsored
Is he more powerful than Trump?
Is there anybody more powerful than Donald Trump right now? In a single tariff announcement, he wiped out n...
Porter & Company | Sponsored
[Action Required] Claim Your FREE IRS Loophole Guide
This shouldn't surprise anyone who's been paying attention, but... Pres. Trump may be about to unleash the ...
Colonial Metals | Sponsored
Trump and Buffett Are Quietly Leading America’s Gold Revival
The “Buffett Indicator” Predicts Gold Set To Dominate for Next Decade Each time the Buffett Indicator has...
Golden Portfolio | Sponsored