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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.

13F holders, Q3 2025

Institutional positions in Inspire Medical Systems, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
325
−27 vs. Q2 2025
Shares held
31.1M
−2.40M (−7.2%) vs. Q2 2025
Total value
$2.31B
−$2.04B (−46.9%) vs. Q2 2025
New holders
66
97 more added
Sold out
93
131 more reduced

4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting INSP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 325 institutions
Q1 2021: 251 institutionsQ2 2021: 248 institutionsQ3 2021: 254 institutionsQ4 2021: 289 institutionsQ1 2022: 299 institutionsQ2 2022: 287 institutionsQ3 2022: 301 institutionsQ4 2022: 340 institutionsQ1 2023: 374 institutionsQ2 2023: 407 institutionsQ3 2023: 365 institutionsQ4 2023: 343 institutionsQ1 2024: 327 institutionsQ2 2024: 325 institutionsQ3 2024: 347 institutionsQ4 2024: 357 institutionsQ1 2025: 363 institutionsQ2 2025: 356 institutionsQ3 2025: 325 institutionsQ4 2025: 343 institutionsQ1 2026: 301 institutionsQ2 2026: 275 institutions
Value heldQ3 2025: $2.31B
Q1 2021: $5.21BQ2 2021: $4.83BQ3 2021: $5.91BQ4 2021: $5.95BQ1 2022: $6.92BQ2 2022: $5.01BQ3 2022: $5.01BQ4 2022: $7.11BQ1 2023: $6.68BQ2 2023: $9.11BQ3 2023: $5.65BQ4 2023: $6.31BQ1 2024: $6.83BQ2 2024: $4.23BQ3 2024: $7.03BQ4 2024: $6.20BQ1 2025: $5.46BQ2 2025: $4.39BQ3 2025: $2.31BQ4 2025: $3.12BQ1 2026: $1.80BQ2 2026: $1.65B
Institutions holding INSP and their total value by quarter
QuarterHoldersValue
Q2 2026275$1.65B
Q1 2026301$1.80B
Q4 2025343$3.12B
Q3 2025325$2.31B
Q2 2025356$4.39B
Q1 2025363$5.46B
Q4 2024357$6.20B
Q3 2024347$7.03B
Q2 2024325$4.23B
Q1 2024327$6.83B
Q4 2023343$6.31B
Q3 2023365$5.65B
Q2 2023407$9.11B
Q1 2023374$6.68B
Q4 2022340$7.11B
Q3 2022301$5.01B
Q2 2022287$5.01B
Q1 2022299$6.92B
Q4 2021289$5.95B
Q3 2021254$5.91B
Q2 2021248$4.83B
Q1 2021251$5.21B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q2 2025.

Institutions holding INSP in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Creative Planning3,164$234.8K0.00%+371+13.3%Added
Concurrent Investment Advisors, LLC3,168$235.1K0.00%+3,168New
Walleye Trading LLC3,211$238.3K0.00%+3,211New
Public Employees Retirement Association of Colorado3,328$247.0K0.00%00.0%Unchanged
Quest Partners LLC3,394$251.8K0.02%+533+18.6%Added
Hedges Asset Management LLC3,500$259.7K0.20%+3,500New
Universal- Beteiligungs- und Servicegesellschaft mbH3,523$261.4K0.00%−2,684−43.2%Reduced
Tempus Wealth Planning, LLC3,562$264.3K0.06%+959+36.8%Added
Teacher Retirement System of Texas3,682$273.2K0.00%−4,890−57.0%Reduced
Apollon Wealth Management, LLC3,791$281.3K0.01%−424−10.1%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.3,796$281.7K0.00%−160−4.0%Reduced
Jain Global LLC3,896$289.1K0.00%+3,896New
Allspring Global Investments Holdings, LLC4,116$297.9K0.00%−35,500−89.6%Reduced
Virtu Financial LLC4,073$302.0K0.02%+4,073New
Xponance, Inc.4,177$309.9K0.00%+116+2.9%Added
Wealthspire Advisors, LLC4,180$310.2K0.00%−68−1.6%Reduced
Counterpoint Mutual Funds LLC4,221$313.2K0.02%+4,221New
Dynamic Technology Lab Private Ltd4,278$317.0K0.05%−292−6.4%Reduced
Wolverine Trading, LLC4,205$317.9K0.01%+2,238+113.8%Added
Pictet Asset Management Holding SA4,476$332.1K0.00%−213−4.5%Reduced
Connable Office Inc4,633$343.8K0.03%00.0%Unchanged
Leonteq Securities AG4,841$359.2K0.02%+4,085+540.3%Added
Blair William & Co4,865$361.0K0.00%+234+5.1%Added
Rockefeller Capital Management L.P.4,973$369.0K0.00%+4,973New
Cinctive Capital Management LP5,000$371.0K0.02%+5,000New
Bridgefront Capital, LLC5,010$371.7K0.11%+2,901+137.6%Added
Schonfeld Strategic Advisors LLC5,153$382.4K0.00%+5,153New
Maryland State Retirement & Pension System5,238$388.7K0.01%−4,799−47.8%Reduced
Manufacturers Life Insurance Company, The5,247$389.3K0.00%−515−8.9%Reduced
Truist Financial Corp5,299$393.2K0.00%+2,532+91.5%Added
Numerai GP LLC5,543$411.3K0.06%+5,543New
KLP Kapitalforvaltning AS5,600$415.5K0.00%−700−11.1%Reduced
Commerce Bank5,664$420.3K0.00%+3,640+179.8%Added
Prelude Capital Management, LLC5,735$425.5K0.03%+5,735New
Commonwealth Equity Services, LLC5,796$430.0K0.00%−1,627−21.9%Reduced
Kornitzer Capital Management Inc5,800$430.4K0.01%−44,440−88.5%Reduced
Northwest & Ethical Investments L.P.5,940$440.7K0.01%00.0%Unchanged
Ensign Peak Advisors, Inc5,977$443.5K0.00%−3,500−36.9%Reduced
ADAR1 Capital Management, LLC6,000$445.2K0.04%+6,000New
ABN AMRO Bank N.V.6,019$445.3K0.00%00.0%Unchanged
Oregon Public Employees Retirement Fund6,072$450.5K0.01%−700−10.3%Reduced
Virginia Retirement Systems Et Al6,094$452.2K0.00%−1,000−14.1%Reduced
Russell Investments Group, Ltd.6,301$467.6K0.00%+2,883+84.3%Added
Sherbrooke Park Advisers LLC6,353$471.4K0.22%+1,803+39.6%Added
Axq Capital, LP6,429$477.0K0.18%+6,429New
Point72 Asia (Singapore) Pte. Ltd.6,660$494.1K0.08%+6,660New
Alliancebernstein L.P.6,773$502.6K0.00%+346+5.4%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys6,854$508.6K0.00%−718−9.5%Reduced
AIA Group Ltd6,902$512.1K0.01%−840−10.8%Reduced
Fred Alger Management, LLC6,936$514.7K0.00%−115,722−94.3%Reduced
Bessemer Group Inc7,076$525.0K0.00%+46+0.7%Added
Deutsche Bank AG7,188$533.4K0.00%+82+1.2%Added
XTX Topco Ltd7,289$540.8K0.03%+300+4.3%Added
SG Americas Securities, LLC7,754$575.0K0.00%+3,454+80.3%Added
Diversified Trust Co7,840$581.7K0.01%+3,167+67.8%Added
Handelsbanken Fonder AB7,900$586.0K0.00%00.0%Unchanged
Arizona State Retirement System8,292$615.3K0.00%−393−4.5%Reduced
Marex Group plc8,451$627.1K0.01%+4,279+102.6%Added
Yousif Capital Management, LLC8,488$629.8K0.01%−2,780−24.7%Reduced
Intech Investment Management LLC8,501$630.8K0.01%−44,082−83.8%Reduced
Employees Retirement System of Texas8,580$637.0K0.01%00.0%Unchanged
Barclays PLC8,650$641.8K0.00%−3,343−27.9%Reduced
Freestone Grove Partners LP8,676$643.8K0.00%+8,676New
Zurcher Kantonalbank (Zurich Cantonalbank)8,758$649.8K0.00%+727+9.1%Added
FORA Capital, LLC8,928$662.5K0.12%+7,235+427.3%Added
Public Employees Retirement System of Ohio8,936$663.1K0.00%−42,841−82.7%Reduced
Amalgamated Bank9,212$684.0K0.00%−355−3.7%Reduced
Group One Trading, L.P.10,240$759.8K0.02%+10,240New
Magnetar Financial LLC10,245$760.2K0.00%−57,134−84.8%Reduced
Wells Fargo & Company10,318$765.6K0.00%−1,942−15.8%Reduced
Hussman Strategic Advisors, Inc.10,500$779.1K0.17%−4,200−28.6%Reduced
Fox Run Management, L.L.C.10,782$800.0K0.12%+10,782New
Jump Financial, LLC10,993$815.7K0.01%+3,818+53.2%Added
LPL Financial LLC11,195$830.7K0.00%−282−2.5%Reduced
Quantitative Investment Management, LLC11,692$867.0K0.12%+11,692New
Quantinno Capital Management LP11,780$874.1K0.00%+8,573+267.3%Added
Natixis12,088$896.9K0.00%+12,088New
Mirae Asset Global ETFs Holdings Ltd.12,090$897.1K0.00%+1,770+17.2%Added
Envestnet Asset Management Inc12,118$899.1K0.00%−19,776−62.0%Reduced
B. Metzler seel. Sohn & Co. AG12,362$917.3K0.01%−13,400−52.0%Reduced
Louisiana State Employees Retirement System12,400$920.1K0.02%−1,400−10.1%Reduced
Nordea Investment Management AB12,624$924.1K0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey12,532$929.9K0.01%+1,343+12.0%Added
Treasurer of the State of North Carolina12,860$954.0K0.00%−506−3.8%Reduced
Monimus Capital Management, LP13,077$970.3K0.72%−13,298−50.4%Reduced
Brevan Howard Capital Management LP13,227$981.4K0.01%−8,324−38.6%Reduced
ING Groep NV13,500$1.00M0.01%+13,500New
Congress Asset Management Co13,501$1.00M0.01%−359,846−96.4%Reduced
Royal Bank of Canada13,912$1.03M0.00%+1,183+9.3%Added
Comerica Bank14,394$1.07M0.00%−26,613−64.9%Reduced
State of Alaska, Department of Revenue15,195$1.13M0.01%−2,361−13.4%Reduced
SEI Investments Co16,425$1.22M0.00%−116,644−87.7%Reduced
Acadian Asset Management LLC16,646$1.23M0.00%+16,646New
DAFNA Capital Management LLC17,200$1.28M0.32%+17,200New
State of Tennessee, Treasury Department17,297$1.28M0.00%+852+5.2%Added
Advisor Group Holdings, Inc.14,055$1.29M0.00%−222−1.6%Reduced
Gilder Gagnon Howe & Co LLC17,600$1.31M0.01%−74,156−80.8%Reduced
Landscape Capital Management, L.L.C.18,288$1.36M0.09%+13,305+267.0%Added
Exome Asset Management LLC18,600$1.38M0.91%+18,600New
Holocene Advisors, LP19,171$1.42M0.00%+19,171New