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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 2025 vs. Q3 2025

How the institutions holding Inspire Medical Systems, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of INSP: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders3256343+24
Shares31.1M175.4K33.9M+2.96M (+9.6%)
Value$2.31B$13.0M$3.12B+$828.8M (+36.1%)

6 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (93)

Institutions that held Inspire Medical Systems, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to INSP in Q4 2025
InstitutionSharesValue% of portfolio
Wellington Management Group LLP2,211,091$203.9M0.04%
Fuller & Thaler Asset Management, Inc.668,099$61.6M0.21%
Driehaus Capital Management LLC348,500$32.1M0.22%
Jefferies Financial Group Inc.307,588$28.4M0.23%
Assenagon Asset Management S.A.264,999$24.4M0.04%
Trexquant Investment LP213,249$19.7M0.18%
Norges Bank129,570$12.0M0.00%
Tudor Investment Corp Et Al112,873$10.4M0.06%
Glenmede Trust Co NA81,986$7.56M0.04%
Arrowstreet Capital, Limited Partnership76,028$7.01M0.00%
Nomura Holdings Inc60,950$5.62M0.02%
Nomura Asset Management International Inc.52,246$4.82M0.01%
EFG International AG33,813$3.11M0.06%
Raymond James Financial Inc30,622$2.82M0.00%
Moore Capital Management, LP25,096$2.31M0.05%
Polar Asset Management Partners Inc.25,000$2.31M0.05%
TD Asset Management Inc23,800$2.20M0.00%
Exit Wealth Advisors, LLC.16,230$1.50M0.88%
Parkman Healthcare Partners LLC15,000$1.38M0.13%
Omers Administration Corp14,553$1.34M0.01%
Cambridge Investment Research Advisors, Inc.12,592$1.16M0.00%
Lecap Asset Management Ltd11,010$1.02M0.40%
Hilltop Holdings Inc.9,244$852.6K0.05%
Gsa Capital Partners LLP9,215$850.0K0.07%
Dark Forest Capital Management LP9,156$844.5K0.04%
Palo Alto Investors LP8,772$809.0K0.11%
Entropy Technologies, LP7,624$703.2K0.04%
HighTower Advisors, LLC7,543$695.7K0.00%
Oak Thistle LLC7,293$672.6K0.09%
Worldquant Millennium Advisors LLC7,204$664.4K0.00%
Sectoral Asset Management Inc7,200$664.1K0.53%
Everhart Financial Group, Inc.7,013$646.8K0.06%
Cetera Investment Advisers5,621$518.4K0.00%
Sanctuary Advisors, LLC5,216$481.1K0.00%
PDT Partners, LLC4,800$442.7K0.03%
M&T Bank Corp4,708$434.1K0.00%
Guggenheim Capital LLC4,665$430.3K0.00%
RSM US Wealth Management LLC4,463$413.1K0.01%
Vestmark Advisory Solutions, Inc.4,438$409.3K0.01%
Janney Montgomery Scott LLC4,376$404.0K0.00%
PharVision Advisers, LLC4,358$401.9K0.20%
CI Private Wealth, LLC3,841$354.3K0.00%
Skopos Labs, Inc.3,276$306.9K0.01%
Machina Capital S.A.S.3,295$303.9K0.06%
Zhang Financial LLC3,200$295.1K0.01%
Swiss Life Asset Management Ltd3,142$289.8K0.00%
First Trust Advisors LP3,072$283.3K0.00%
Hodges Capital Management Inc.2,850$262.9K0.02%
Quadrature Capital Ltd2,830$261.0K0.00%
AlphaGrep UK Ltd2,774$255.8K0.09%
Centiva Capital, LP2,747$253.4K0.02%
MML Investors Services, LLC2,575$237.5K0.00%
Versor Investments LP2,451$226.1K0.04%
JustInvest LLC2,441$225.1K0.00%
Boothbay Fund Management, LLC2,416$222.8K0.01%
EntryPoint Capital, LLC2,407$222.0K0.09%
Bayforest Capital Ltd2,407$222.0K0.17%
Washington Capital Management Inc2,400$221.4K0.18%
Eurizon Capital SGR S.p.A.804$74.3K0.00%
Kestra Advisory Services, LLC805$74.2K0.00%
Pinnacle Wealth Planning Services, Inc.618$57.0K0.01%
V-Square Quantitative Management LLC433$39.9K0.00%
Havemeyer Place LP424$39.1K0.01%
Grove Bank & Trust259$23.9K0.00%
SRS Capital Advisors, Inc.181$16.7K0.00%
SageView Advisory Group, LLC134$12.4K0.00%
Flagship Harbor Advisors, LLC133$12.3K0.00%
Los Angeles Capital Management LLC141$10.3K0.00%
Signature Equity Partners, LLC91$8.39K0.00%
Fortitude Family Office, LLC80$7.38K0.00%
Capital Advisors, Ltd. LLC55$5.00K0.00%
S&T Bank52$4.80K0.00%
Birchwood Financial Partners, Inc.40$3.69K0.00%
Basecamp Wealth Advisors LLC33$3.04K0.00%
International Assets Investment Management, LLC26$2.40K0.00%
Atlantic Union Bankshares Corp21$1.94K0.00%
Golden State Wealth Management, LLC17$1.57K0.00%
Stone House Investment Management, LLC15$1.38K0.00%
Bogart Wealth, LLC14$1.29K0.00%
TFC Financial Management7$6460.00%
WPG Advisers, LLC7$6460.00%
SWAN Capital LLC6$5530.00%
Hughes Financial Services, LLC6$5530.00%
Ankerstar Wealth, LLC5$4610.00%
Rothschild Investment LLC4$3690.00%
Clearstead Advisors, LLC4$3690.00%
Keating Financial Advisory Services, Inc.4$3690.00%
Advocate Investing Services LLC4$3690.00%
SHP Wealth Management3$2770.00%
Torren Management, LLC3$2770.00%
Gilpin Wealth Management, LLC2$1850.00%
Elyxium Wealth, LLC1$920.00%
Godfrey Financial Associates, Inc.1$920.00%

Sold out (69)

Institutions that held Inspire Medical Systems, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of INSP in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Baillie Gifford & Co1,084,350$80.5M
Atika Capital Management LLC187,600$13.9M
M&G Plc144,960$10.7M
Vestal Point Capital, LP135,000$10.0M
WCM Investment Management, LLC107,032$8.09M
Federated Hermes, Inc.103,804$7.70M
Point72 Asset Management, L.P.91,896$6.82M
Qube Research & Technologies Ltd82,810$6.14M
Weiss Asset Management LP63,029$4.68M
Healthcare of Ontario Pension Plan Trust Fund58,497$4.34M
Mitsubishi UFJ Trust & Banking Corp55,805$4.14M
Affinity Asset Advisors, LLC50,000$3.71M
Macquarie Group Ltd43,324$3.21M
Quantbot Technologies LP41,063$3.05M
Kopp Family Office, LLC40,614$3.01M
Illinois Municipal Retirement Fund25,424$1.89M
Oak Ridge Investments LLC24,261$1.80M
State of New Jersey Common Pension Fund D23,216$1.72M
Lighthouse Investment Partners, LLC22,000$1.63M
Neo Ivy Capital Management21,688$1.61M
Holocene Advisors, LP19,171$1.42M
Exome Asset Management LLC18,600$1.38M
Monimus Capital Management, LP13,077$970.3K
B. Metzler seel. Sohn & Co. AG12,362$917.3K
Natixis12,088$896.9K
Quantitative Investment Management, LLC11,692$867.0K
Fox Run Management, L.L.C.10,782$800.0K
Hussman Strategic Advisors, Inc.10,500$779.1K
Magnetar Financial LLC10,245$760.2K
Freestone Grove Partners LP8,676$643.8K
Employees Retirement System of Texas8,580$637.0K
Fred Alger Management, LLC6,936$514.7K
AIA Group Ltd6,902$512.1K
Axq Capital, LP6,429$477.0K
Sherbrooke Park Advisers LLC6,353$471.4K
ABN AMRO Bank N.V.6,019$445.3K
Northwest & Ethical Investments L.P.5,940$440.7K
Kornitzer Capital Management Inc5,800$430.4K
Prelude Capital Management, LLC5,735$425.5K
Numerai GP LLC5,543$411.3K
Truist Financial Corp5,299$393.2K
Bridgefront Capital, LLC5,010$371.7K
Cinctive Capital Management LP5,000$371.0K
Teacher Retirement System of Texas3,682$273.2K
Tempus Wealth Planning, LLC3,562$264.3K
FNY Investment Advisers, LLC2,848$211.0K
Pilgrim Partners Asia Pte Ltd660$49.0K
Manning & Napier Advisors LLC437$32.4K
Daiwa Securities Group Inc.425$32.0K
Advisory Services Network, LLC325$24.1K
Northwestern Mutual Wealth Management Co299$22.2K
Principal Securities, Inc.190$14.1K
Simplex Trading, LLC133$9.00K
NBC Securities, Inc.108$8.01K
Rossby Financial, LCC100$7.24K
Ci Investments Inc.99$7.00K
American National Bank88$6.53K
Washington Trust Advisors, Inc.67$4.97K
Thurston, Springer, Miller, Herd & Titak, Inc.15$1.11K
IFP Advisors, Inc12$890
WealthCollab, LLC11$817
First Horizon Corp11$816
Brown Brothers Harriman & Co10$742
GWM Advisors LLC6$445
Quent Capital, LLC6$445
J.Safra Asset Management Corp5$371
Atlantic Trust, LLC4$297
Kilter Group LLC1$75
T. Rowe Price Investment Management, Inc.4–

Not filed for Q4 2025 yet (6)

Institutions that held Inspire Medical Systems, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding INSP in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Cubist Systematic Strategies, LLC97,387$7.23M
Point72 Hong Kong Ltd39,122$2.90M
EFG Asset Management (North America) Corp.27,634$2.05M
Point72 Asia (Singapore) Pte. Ltd.6,660$494.1K
Wolverine Trading, LLC4,205$317.9K
Point72 Europe (London) LLP379$28.2K