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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 2024

Institutional positions in Inspire Medical Systems, Inc. as of Sep 30, 2024. 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
347
+25 vs. Q2 2024
Shares held
33.3M
+3.57M (+12.0%) vs. Q2 2024
Total value
$7.03B
+$3.04B (+76.4%) vs. Q2 2024
New holders
80
116 more added
Sold out
55
109 more reduced

3 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 2024: 347 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 2024: $7.03B
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 2024

Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q2 2024.

Institutions holding INSP in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Principal Financial Group Inc141,089$29.8M0.02%+137,483+3,812.6%Added
Connor, Clark & Lunn Investment Management Ltd.146,244$30.9M0.15%+65,147+80.3%Added
Tri Locum Partners LP151,429$32.0M7.66%+18,153+13.6%Added
Voya Investment Management LLC153,936$32.5M0.03%−740.0%Reduced
Atika Capital Management LLC160,000$33.8M3.61%−3,000−1.8%Reduced
Integral Health Asset Management, LLC160,000$33.8M3.98%+160,000New
Price T Rowe Associates Inc164,105$34.6M0.00%−200,766−55.0%Reduced
New York State Common Retirement Fund171,259$36.1M0.05%−15,867−8.5%Reduced
Northern Trust Corp174,254$36.8M0.01%+18,461+11.8%Added
Nuveen Asset Management, LLC180,600$38.1M0.01%+41,384+29.7%Added
Ameriprise Financial Inc182,165$38.4M0.01%−49,863−21.5%Reduced
Bellevue Group AG195,080$41.2M0.67%+70,356+56.4%Added
Keybank National Association200,173$42.2M0.16%+210.0%Added
Franklin Resources Inc203,894$42.9M0.01%−29,434−12.6%Reduced
Fuller & Thaler Asset Management, Inc.215,094$45.4M0.18%+215,094New
Amundi225,832$46.7M0.02%+15,531+7.4%Added
Gilder Gagnon Howe & Co LLC223,126$47.1M0.56%−17,535−7.3%Reduced
Braidwell LP238,911$50.4M1.43%−140,532−37.0%Reduced
Eagle Asset Management Inc260,753$51.3M0.26%+117,819+82.4%Added
Allspring Global Investments Holdings, LLC267,852$56.5M0.09%+238,034+798.3%Added
Eversept Partners, LP276,270$58.3M4.47%−256,741−48.2%Reduced
Norges Bank277,973$58.7M0.01%00.0%Unchanged
Charles Schwab Investment Management Inc281,165$59.3M0.01%+11,939+4.4%Added
Point72 Asset Management, L.P.319,364$67.4M0.23%+289,075+954.4%Added
Federated Hermes, Inc.319,860$67.5M0.15%−85,327−21.1%Reduced
Bamco Inc339,300$71.6M0.19%−8,000−2.3%Reduced
Brown Capital Management LLC350,461$74.0M1.59%−57,386−14.1%Reduced
Morgan Stanley363,307$76.7M0.01%+105,931+41.2%Added
UBS Asset Management Americas Inc365,168$77.1M0.02%−201,508−35.6%Reduced
Frontier Capital Management Co LLC395,016$83.4M0.78%−104,194−20.9%Reduced
AQR Capital Management LLC446,411$93.4M0.13%+214,566+92.5%Added
Champlain Investment Partners, LLC464,612$98.1M0.59%−50,173−9.7%Reduced
Geode Capital Management, LLC483,654$102.1M0.01%+3,128+0.7%Added
Janus Henderson Group PLC502,609$106.1M0.05%+27,374+5.8%Added
Artisan Partners Limited Partnership545,941$115.2M0.17%+1,282+0.2%Added
Macquarie Group Ltd582,320$122.9M0.13%−9,736−1.6%Reduced
Invesco Ltd.694,050$146.5M0.03%+154,978+28.7%Added
JPMorgan Chase & Co741,918$156.6M0.01%−100,256−11.9%Reduced
Bank of New York Mellon Corp772,765$163.1M0.03%−15,050−1.9%Reduced
William Blair Investment Management, LLC906,349$191.3M0.47%+135,936+17.6%Added
State Street Corp1,049,784$221.6M0.01%+459,990+78.0%Added
Wasatch Advisors Inc1,323,470$279.3M1.37%+20,481+1.6%Added
Baillie Gifford & Co1,366,835$288.5M0.22%−60,000−4.2%Reduced
Wellington Management Group LLP1,392,334$293.9M0.05%−582,718−29.5%Reduced
FMR LLC2,947,816$622.1M0.04%−90,950−3.0%Reduced
Vanguard Group Inc3,232,138$682.1M0.01%+362,537+12.6%Added
BlackRock, Inc.4,118,149$869.1M0.02%+4,118,149New
Balyasny Asset Management LLC0$00.00%−315,098−100.0%Sold out
Iron Triangle Partners LP0$00.00%−281,992−100.0%Sold out
Hood River Capital Management LLC0$00.00%−93,082−100.0%Sold out
Kingdon Capital Management, L.L.C.0$00.00%−86,300−100.0%Sold out
Canada Pension Plan Investment Board0$00.00%−70,500−100.0%Sold out
Vestal Point Capital, LP0$00.00%−60,000−100.0%Sold out
HRT Financial LP0$00.00%−46,665−100.0%Sold out
Stanley-Laman Group, Ltd.0$00.00%−46,025−100.0%Sold out
Twinbeech Capital LP0$00.00%−45,834−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−41,581−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−34,695−100.0%Sold out
First Trust Advisors LP0$00.00%−34,195−100.0%Sold out
Jump Financial, LLC0$00.00%−32,474−100.0%Sold out
Intrinsic Edge Capital Management LLC0$00.00%−32,185−100.0%Sold out
Polar Asset Management Partners Inc.0$00.00%−29,800−100.0%Sold out
First Light Asset Management, LLC0$00.00%−28,135−100.0%Sold out
Squarepoint Ops LLC0$00.00%−26,294−100.0%Sold out
Seven Eight Capital, LP0$00.00%−23,149−100.0%Sold out
Eisler Capital (US) LLC0$00.00%−21,661−100.0%Sold out
Neo Ivy Capital Management0$00.00%−21,296−100.0%Sold out
Whetstone Capital Advisors, LLC0$00.00%−20,453−100.0%Sold out
Trexquant Investment LP0$00.00%−15,499−100.0%Sold out
Prosight Management, LP0$00.00%−14,000−100.0%Sold out
Optimas Capital Ltd0$00.00%−9,600−100.0%Sold out
Kennedy Capital Management, Inc.0$00.00%−11,468−100.0%Sold out
Headlands Technologies LLC0$00.00%−10,397−100.0%Sold out
Sofinnova Investments, Inc.0$00.00%−10,000−100.0%Sold out
XTX Topco Ltd0$00.00%−9,997−100.0%Sold out
Twin Tree Management, LP0$00.00%−9,802−100.0%Sold out
Centiva Capital, LP0$00.00%−9,791−100.0%Sold out
Jennison Associates LLC0$00.00%−9,104−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−6,828−100.0%Sold out
Axq Capital, LP0$00.00%−4,737−100.0%Sold out
Virtu Financial LLC0$00.00%−4,406−100.0%Sold out
New York Life Investment Management LLC0$00.00%−3,560−100.0%Sold out
Kestra Advisory Services, LLC0$00.00%−3,099−100.0%Sold out
Deerfield Management Company, L.P. (Series C)0$00.00%−2,813−100.0%Sold out
Rafferty Asset Management, LLC0$00.00%−2,575−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−2,026−100.0%Sold out
Blueshift Asset Management, LLC0$00.00%−1,717−100.0%Sold out
IFP Advisors, Inc0$00.00%−208−100.0%Sold out
Harel Insurance Investments & Financial Services Ltd.0$00.00%−120−100.0%Sold out
Itau Unibanco Holding S.A.0$00.00%−98−100.0%Sold out
Ashton Thomas Private Wealth, LLC0$00.00%−51−100.0%Sold out
Annis Gardner Whiting Capital Advisors, LLC0$00.00%−32−100.0%Sold out
Cullen/Frost Bankers, Inc.0$00.00%−31−100.0%Sold out
West Branch Capital LLC0$00.00%−31−100.0%Sold out
Innealta Capital, LLC0$00.00%−14−100.0%Sold out
Assetmark, Inc0$00.00%−11−100.0%Sold out
Tyler-Stone Wealth Management0$00.00%−10−100.0%Sold out
International Assets Investment Management, LLC0$00.00%−6−100.0%Sold out
AdvisorNet Financial, Inc0$00.00%−5−100.0%Sold out
Abich Financial Wealth Management LLC0$00.00%−5−100.0%Sold out