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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.

Q4 2023 vs. Q3 2023

How the institutions holding Inspire Medical Systems, Inc. changed between Q3 2023 and Q4 2023.

All holders in Q4 2023All holders in Q3 2023

13F holders of INSP: Q3 2023 compared with Q4 2023
MeasureQ3 2023Of which not filed for Q4 2023Q4 2023Change
Holders3655343−17
Shares28.4M11.0K31.0M+2.67M (+9.4%)
Value$5.65B$2.19M$6.31B+$659.1M (+11.7%)

5 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (63)

Institutions that held Inspire Medical Systems, Inc. at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to INSP in Q4 2023
InstitutionSharesValue% of portfolio
Slate Path Capital LP294,000$59.8M1.33%
Iron Triangle Partners LP150,000$30.5M3.95%
Ophir Asset Management Pty Ltd125,788$25.6M5.08%
Degroof Petercam Asset Management110,000$22.4M0.29%
Susquehanna Portfolio Strategies, LLC101,600$20.7M0.37%
First Light Asset Management, LLC88,523$18.0M1.45%
Alyeska Investment Group, L.P.87,687$17.8M0.12%
Nomura Asset Management Co Ltd60,187$12.2M0.05%
Stanley-Laman Group, Ltd.51,051$10.4M1.59%
Standard Life Aberdeen plc45,961$9.35M0.02%
Polar Asset Management Partners Inc.39,800$8.10M0.22%
Sivik Global Healthcare LLC27,500$5.59M2.34%
Whetstone Capital Advisors, LLC20,509$4.17M2.10%
Optimas Capital Ltd18,979$3.86M3.64%
Congress Asset Management Co17,192$3.50M0.03%
Gilliland Jeter Wealth Management LLC16,563$3.37M1.39%
Archon Capital Management LLC15,000$3.05M1.26%
TD Asset Management Inc9,600$1.95M0.00%
Calamos Advisors LLC9,483$1.93M0.01%
Sumitomo Mitsui Trust Holdings, Inc.6,247$1.27M0.00%
Eisler Capital (UK) Ltd.5,604$1.14M0.10%
New York Life Investment Management LLC3,272$665.6K0.01%
HealthInvest Partners AB3,229$656.9K0.51%
Simplex Trading, LLC2,699$549.0K0.02%
Pathstone Holdings, LLC2,592$527.3K0.00%
HRT Financial LP2,444$497.0K0.00%
Cetera Advisors LLC2,436$495.6K0.01%
Sentry Investment Management LLC2,355$479.0K0.21%
Millrace Asset Group, Inc.2,321$472.0K0.47%
Wolverine Trading, LLC1,806$367.4K0.00%
Pekin Hardy Strauss, Inc.1,800$366.2K0.05%
American Trust1,668$339.3K0.03%
CIBC Private Wealth Group, LLC1,360$276.7K0.00%
Prelude Capital Management, LLC1,310$266.5K0.02%
Wealth Enhancement Advisory Services, LLC1,303$265.1K0.00%
Legato Capital Management LLC1,085$220.7K0.03%
State of Tennessee, Treasury Department1,076$218.9K0.00%
Capula Management Ltd1,071$217.9K0.01%
Cornerstone Investment Partners, LLC1,016$206.7K0.01%
Miracle Mile Advisors, LLC1,000$203.4K0.01%
Herold Advisors, Inc.1,000$203.4K0.06%
Great Lakes Advisors, LLC986$200.6K0.00%
O'Dell Group, LLC361$73.4K0.02%
Advisory Services Network, LLC308$62.7K0.00%
Principal Securities, Inc.265$53.9K0.00%
McGlone Suttner Wealth Management, Inc.132$26.9K0.01%
American Capital Advisory, LLC110$22.4K0.02%
Quarry LP97$19.7K0.01%
ICA Group Wealth Management, LLC70$14.2K0.00%
Smartleaf Asset Management LLC61$12.4K0.00%
RFP Financial Group LLC41$8.34K0.00%
Cherry Tree Wealth Management, LLC31$6.31K0.00%
HighMark Wealth Management LLC25$5.09K0.00%
Farther Finance Advisors, LLC20$4.07K0.00%
GAMMA Investing LLC18$3.80K0.00%
Sachetta, LLC11$2.24K0.00%
Tidemark, LLC10$2.03K0.00%
SYSTM Wealth Solutions LLC9$1.83K0.00%
Private Wealth Management Group, LLC8$1.63K0.00%
Versant Capital Management, Inc4$8140.00%
Global Retirement Partners, LLC4$7440.00%
Crewe Advisors LLC1$2040.00%
Caldwell Sutter Capital, Inc.1$2030.00%

Sold out (80)

Institutions that held Inspire Medical Systems, Inc. at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of INSP in Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
1832 Asset Management L.P.562,400$111.6M
Loomis Sayles & Co L P199,969$39.7M
Cubist Systematic Strategies, LLC140,754$27.9M
Quadrature Capital Ltd125,202$24.8M
Lord, Abbett & Co. LLC102,164$20.3M
Walleye Capital LLC67,813$13.5M
Eagle Asset Management Inc58,138$11.5M
Jump Financial, LLC50,708$10.1M
Healthcare of Ontario Pension Plan Trust Fund44,214$8.77M
Prosight Management, LP40,000$7.94M
Arrowstreet Capital, Limited Partnership38,738$7.69M
Voloridge Investment Management, LLC36,902$7.32M
Point72 Europe (London) LLP35,645$7.07M
Quantbot Technologies LP35,626$7.07M
Soleus Capital Management, L.P.35,600$7.06M
M&G Investment Management Ltd29,795$5.90M
Jacobs Levy Equity Management, Inc25,559$5.07M
Granite Investment Partners, LLC24,017$4.77M
Trexquant Investment LP16,652$3.30M
Hillsdale Investment Management Inc.15,325$3.04M
STRS Ohio12,968$2.57M
Campbell & CO Investment Adviser LLC11,115$2.21M
Y-Intercept (Hong Kong) Ltd11,044$2.19M
Magnetar Financial LLC10,183$2.02M
Centiva Capital, LP9,558$1.90M
Point72 Middle East FZE8,211$1.63M
Seven Eight Capital, LP7,850$1.56M
McKinley Capital Management LLC /Delaware7,670$1.52M
Silvant Capital Management LLC7,000$1.39M
Echo Street Capital Management LLC6,603$1.31M
Affinity Asset Advisors, LLC6,293$1.25M
Alberta Investment Management Corp6,081$1.21M
FORA Capital, LLC5,928$1.18M
Raymond James & Associates5,767$1.14M
Susquehanna Fundamental Investments, LLC4,700$932.7K
Harbour Capital Advisors, LLC4,583$909.5K
EFG Asset Management (Americas) Corp.4,087$811.8K
Mutual of America Capital Management LLC3,687$731.6K
Brighton Jones LLC3,339$662.6K
Quent Capital, LLC3,225$640.0K
Sherbrooke Park Advisers LLC3,220$639.0K
Fox Run Management, L.L.C.3,116$618.3K
Norris Financial Group, LLC3,057$606.6K
Bridgefront Capital, LLC2,950$585.4K
Polar Capital Holdings Plc2,690$533.8K
Cowen and Company, LLC2,600$515.9K
Winton Group Ltd2,526$501.3K
Jefferies Financial Group Inc.2,232$442.9K
Nebula Research & Development LLC2,104$417.5K
CI Private Wealth, LLC2,101$416.9K
Oak Harvest Investment Services1,943$385.6K
Virtus Investment Advisers, Inc.1,803$357.8K
Two Sigma Investments, LP1,800$357.2K
Steel Peak Wealth Management LLC1,800$357.2K
Caas Capital Management LP1,700$337.3K
Teza Capital Management LLC1,602$317.9K
Fifth Third Bancorp1,595$316.5K
Bailard, Inc.1,293$256.6K
Graham Capital Management, L.P.1,256$249.2K
XTX Topco Ltd1,253$248.6K
Caption Management, LLC1,230$244.1K
HMS Capital Management, LLC1,209$239.9K
Henshaw Capital LLC1,188$235.7K
Moran Wealth Management, LLC1,164$231.0K
Ziegler Capital Management, LLC1,090$216.3K
Paloma Partners Management Co1,032$204.8K
Atria Wealth Solutions, Inc.1,013$201.0K
Headinvest, LLC245$47.7K
Banque Cantonale Vaudoise200$40.0K
Baker Avenue Asset Management, LP201$39.9K
American National Bank126$25.0K
Virtus Fund Advisers, LLC115$22.8K
Spire Wealth Management100$19.8K
Grove Bank & Trust8$1.59K
Geneos Wealth Management Inc.3$595
Institutional & Family Asset Management, LLC2$397
Tfo-TDC, LLC1$325
AdvisorNet Financial, Inc1$198
Capital Advisors, Ltd. LLC2$0
Avion Wealth2$0

Not filed for Q4 2023 yet (5)

Institutions that held Inspire Medical Systems, Inc. at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding INSP in Q3 2023 that haven't filed for Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
Virginia Retirement Systems Et Al5,200$1.03M
Pathstone Family Office, LLC2,399$476.1K
First Republic Investment Management, Inc.1,985$393.9K
Quantamental Technologies LLC1,456$288.9K
Steward Financial Group LLC2$0