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Inspire Medical Systems, Inc.

INSP
Exchange
NYSE
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001609550

In the last 90 days, Inspire Medical Systems, Inc. insiders filed 0 open-market purchases and 1 sale; 275 institutions reported holding it in 13F filings for Q2 2026, worth $1.65B in total; no superinvestor holds it.

Q3 2025 vs. Q2 2025

How the institutions holding Inspire Medical Systems, Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of INSP: Q2 2025 compared with Q3 2025
MeasureQ2 2025Of which not filed for Q3 2025Q3 2025Change
Holders3564325−27
Shares33.8M293.4K31.1M−2.40M (−7.2%)
Value$4.39B$38.1M$2.31B−$2.04B (−46.9%)

4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (66)

Institutions that held Inspire Medical Systems, Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to INSP in Q3 2025
InstitutionSharesValue% of portfolio
Balyasny Asset Management LLC614,359$45.6M0.09%
Millennium Management LLC356,808$26.5M0.02%
Vestal Point Capital, LP135,000$10.0M0.45%
Credit Agricole S A125,255$9.29M0.03%
Ra Capital Management, L.P.114,901$8.53M0.11%
VGI Partners Ltd101,714$7.55M0.54%
Cubist Systematic Strategies, LLC97,387$7.23M0.10%
Voloridge Investment Management, LLC88,301$6.55M0.02%
Qube Research & Technologies Ltd82,810$6.14M0.01%
Voleon Capital Management LP78,518$5.83M0.14%
Susquehanna Portfolio Strategies, LLC75,555$5.61M0.09%
Jane Street Group, LLC71,451$5.30M0.01%
Weiss Asset Management LP63,029$4.68M0.07%
Healthcare of Ontario Pension Plan Trust Fund58,497$4.34M0.01%
Affinity Asset Advisors, LLC50,000$3.71M0.35%
HRT Financial LP45,681$3.39M0.01%
Quantbot Technologies LP41,063$3.05M0.08%
Aquatic Capital Management LLC37,058$2.75M0.05%
ExodusPoint Capital Management, LP32,821$2.44M0.03%
Gotham Asset Management, LLC29,090$2.16M0.01%
Bank of Nova Scotia24,198$1.80M0.00%
Squarepoint Ops LLC23,144$1.72M0.00%
Lighthouse Investment Partners, LLC22,000$1.63M0.06%
Two Sigma Advisers, LP20,000$1.48M0.00%
Holocene Advisors, LP19,171$1.42M0.00%
Exome Asset Management LLC18,600$1.38M0.91%
DAFNA Capital Management LLC17,200$1.28M0.32%
Acadian Asset Management LLC16,646$1.23M0.00%
ING Groep NV13,500$1.00M0.01%
Natixis12,088$896.9K0.00%
Quantitative Investment Management, LLC11,692$867.0K0.12%
Fox Run Management, L.L.C.10,782$800.0K0.12%
Group One Trading, L.P.10,240$759.8K0.02%
Freestone Grove Partners LP8,676$643.8K0.00%
Point72 Asia (Singapore) Pte. Ltd.6,660$494.1K0.08%
Axq Capital, LP6,429$477.0K0.18%
ADAR1 Capital Management, LLC6,000$445.2K0.04%
Prelude Capital Management, LLC5,735$425.5K0.03%
Numerai GP LLC5,543$411.3K0.06%
Schonfeld Strategic Advisors LLC5,153$382.4K0.00%
Cinctive Capital Management LP5,000$371.0K0.02%
Rockefeller Capital Management L.P.4,973$369.0K0.00%
Counterpoint Mutual Funds LLC4,221$313.2K0.02%
Virtu Financial LLC4,073$302.0K0.02%
Jain Global LLC3,896$289.1K0.00%
Hedges Asset Management LLC3,500$259.7K0.20%
Walleye Trading LLC3,211$238.3K0.00%
Concurrent Investment Advisors, LLC3,168$235.1K0.00%
FNY Investment Advisers, LLC2,848$211.0K0.07%
OP Asset Management Ltd2,283$169.4K0.00%
Aster Capital Management (DIFC) Ltd977$72.5K0.04%
Pilgrim Partners Asia Pte Ltd660$49.0K0.02%
Manning & Napier Advisors LLC437$32.4K0.00%
Point72 Europe (London) LLP379$28.2K0.00%
Advisory Services Network, LLC325$24.1K0.00%
Salomon & Ludwin, LLC310$23.7K0.00%
American National Bank88$6.53K0.00%
Prestige Wealth Management Group LLC12$8910.00%
First Horizon Corp11$8160.00%
Strategic Advocates LLC8$5940.00%
Quent Capital, LLC6$4450.00%
Caitlin John, LLC5$3710.00%
Cedar Mountain Advisors, LLC4$2970.00%
Retirement Wealth Solutions LLC3$2230.00%
Transamerica Financial Advisors, Inc.2$1480.00%
T. Rowe Price Investment Management, Inc.4––

Sold out (93)

Institutions that held Inspire Medical Systems, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of INSP in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Dragoneer Investment Group, LLC2,354,411$305.5M
TimesSquare Capital Management, LLC499,199$64.8M
Raymond James Financial Inc230,153$29.9M
Eversept Partners, LP164,473$21.3M
Tri Locum Partners LP149,244$19.4M
Los Angeles Capital Management LLC136,950$17.8M
Neuberger Berman Group LLC99,791$12.9M
American Century Companies Inc56,604$7.35M
Impax Asset Management Group plc50,000$6.49M
Jennison Associates LLC45,439$5.90M
Beck Bode, LLC40,537$5.26M
California Public Employees Retirement System38,537$5.00M
Schroder Investment Management Group28,692$3.72M
LMCG Investments, LLC25,659$3.33M
Centiva Capital, LP19,554$2.54M
Cetera Investment Advisers17,003$2.21M
Dark Forest Capital Management LP16,403$2.13M
Oppenheimer Asset Management Inc.15,161$1.97M
AXA S.A.14,109$1.83M
Fieldview Capital Management, LLC14,005$1.82M
Zacks Investment Management13,621$1.77M
Nebula Research & Development LLC13,522$1.75M
Granite Investment Partners, LLC11,785$1.53M
Gilliland Jeter Wealth Management LLC11,708$1.52M
Exchange Traded Concepts, LLC11,177$1.45M
Clearbridge Investments, LLC11,087$1.44M
Azzad Asset Management Inc10,951$1.42M
Versor Investments LP10,671$1.38M
Sivik Global Healthcare LLC10,000$1.30M
Jackson Creek Investment Advisors LLC9,618$1.25M
UBS Oconnor LLC9,522$1.24M
Quadrature Capital Ltd8,462$1.10M
Stifel Financial Corp7,759$1.01M
Oak Associates, Ltd6,785$880.5K
MML Investors Services, LLC6,665$865.0K
Jupiter Asset Management Ltd5,974$775.2K
Fox Hill Wealth Management5,845$758.5K
Janney Montgomery Scott LLC5,316$690.0K
First Trust Advisors LP5,210$676.1K
Lisanti Capital Growth, LLC4,810$624.2K
Trexquant Investment LP4,463$579.2K
Gibbs Wealth Management4,070$528.2K
Unique Wealth Strategies, LLC3,735$484.7K
Toroso Investments, LLC3,630$471.1K
Aigen Investment Management, LP3,534$458.6K
Mariner, LLC3,506$455.0K
Aviva PLC3,396$440.7K
Hodges Capital Management Inc.3,000$389.3K
Atria Investments LLC2,948$382.6K
Entropy Technologies, LP2,800$363.4K
Guggenheim Capital LLC2,798$363.1K
HighTower Advisors, LLC2,567$333.1K
JustInvest LLC2,360$306.3K
Qsemble Capital Management, LP2,353$305.3K
111 Capital2,309$299.6K
Crossmark Global Holdings, Inc.2,253$292.4K
Cerity Partners LLC2,243$291.1K
Lebenthal Global Advisors, LLC2,240$290.7K
TownSquare Capital, LLC2,225$288.7K
Pathstone Holdings, LLC2,137$277.4K
DRW Securities, LLC1,984$257.5K
Portside Wealth Group, LLC1,934$251.0K
Prospera Financial Services Inc1,915$248.6K
RSM US Wealth Management LLC1,877$243.6K
Kestra Advisory Services, LLC1,853$240.5K
Allianz Asset Management GmbH1,800$233.6K
Inceptionr LLC1,800$233.6K
Graham Capital Management, L.P.1,676$217.5K
China Universal Asset Management Co., Ltd.1,574$204.3K
Utah Retirement Systems1,552$201.4K
St Germain D J Co Inc1,137$147.5K
Clearstead Advisors, LLC183$23.7K
Creative Capital Management Investments LLC130$16.9K
Cullen/Frost Bankers, Inc.102$13.2K
Central Trust Co67$8.70K
Spire Wealth Management55$7.14K
Cherry Tree Wealth Management, LLC31$4.02K
Park Place Capital Corp29$3.79K
Bartlett & Co. Wealth Management LLC28$3.63K
Golden State Wealth Management, LLC25$3.24K
N.E.W. Advisory Services LLC25$3.24K
Ameritas Advisory Services, LLC25$3.24K
Fortitude Family Office, LLC24$3.11K
Private Trust Co NA20$2.60K
Skopos Labs, Inc.17$2.21K
Twin Peaks Wealth Advisors, LLC25$2.10K
Financial Network Wealth Advisors LLC13$1.69K
SRS Capital Advisors, Inc.6$779
Tortoise Investment Management, LLC6$779
Sierra Ocean, LLC6$779
Geneos Wealth Management Inc.4$519
TFC Financial Management3$390
CoreCap Advisors, LLC1$130

Not filed for Q3 2025 yet (4)

Institutions that held Inspire Medical Systems, Inc. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding INSP in Q2 2025 that haven't filed for Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Norges Bank239,390$31.1M
Congress Wealth Management LLC49,960$6.48M
Scott Marsh Financial, LLC3,959$513.8K
First Horizon Advisors, Inc.132$17.1K