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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 2022

Institutional positions in Inspire Medical Systems, Inc. as of Sep 30, 2022. 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
301
+16 vs. Q2 2022
Shares held
28.2M
+815.3K (+3.0%) vs. Q2 2022
Total value
$5.01B
−$500.5K (0.0%) vs. Q2 2022
New holders
42
119 more added
Sold out
26
96 more reduced

2 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2022: 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 2022: 301 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 2022: $5.01B
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 2022

Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q2 2022.

Institutions holding INSP in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Royce & Associates LP20,488$3.63M0.04%−10,000−32.8%Reduced
HSBC Holdings PLC20,800$3.69M0.01%−4,158−16.7%Reduced
Kingdon Capital Management, L.L.C.21,000$3.73M1.15%+21,000New
Public Employees Retirement System of Ohio21,893$3.88M0.02%00.0%Unchanged
Tri Locum Partners LP23,412$4.15M1.18%−8,293−26.2%Reduced
Comerica Bank25,978$4.54M0.04%+5,680+28.0%Added
Osterweis Capital Management Inc26,155$4.64M0.35%−3,065−10.5%Reduced
Miura Global Management, LLC27,100$4.81M2.88%+12,100+80.7%Added
Arrowstreet Capital, Limited Partnership28,665$5.08M0.01%+28,665New
Russell Investments Group, Ltd.30,148$5.34M0.01%−15,415−33.8%Reduced
STRS Ohio30,500$5.41M0.03%00.0%Unchanged
Next Century Growth Investors LLC31,825$5.64M0.69%+14,547+84.2%Added
Legal & General Group Plc32,580$5.78M0.00%−677−2.0%Reduced
Castleark Management LLC33,120$5.87M0.33%−750−2.2%Reduced
Oak Ridge Investments LLC33,703$5.98M0.91%−436−1.3%Reduced
Alliancebernstein L.P.34,115$6.05M0.00%−50.0%Reduced
Lisanti Capital Growth, LLC34,179$6.06M0.81%−30,825−47.4%Reduced
California State Teachers Retirement System34,890$6.19M0.01%−221−0.6%Reduced
Deutsche Bank AG35,374$6.27M0.00%−2,904−7.6%Reduced
State of Wisconsin Investment Board35,642$6.32M0.02%−1,738−4.6%Reduced
Rhumbline Advisers36,575$6.49M0.01%+3,679+11.2%Added
Kornitzer Capital Management Inc37,160$6.59M0.14%00.0%Unchanged
HealthCor Management, L.P.38,240$6.78M0.85%+38,240New
Integral Health Asset Management, LLC40,000$7.09M1.44%+40,000New
Sectoral Asset Management Inc41,800$7.41M1.46%−9,850−19.1%Reduced
Squarepoint Ops LLC43,797$7.77M0.07%+24,894+131.7%Added
New York State Common Retirement Fund44,389$7.87M0.01%−7,043−13.7%Reduced
Bridgewater Associates, LP44,853$7.96M0.04%−33,758−42.9%Reduced
Segall Bryant & Hamill, LLC52,130$9.25M0.11%+1,041+2.0%Added
Cubist Systematic Strategies, LLC58,684$10.4M0.08%+44,778+322.0%Added
California Public Employees Retirement System59,090$10.5M0.01%+7,694+15.0%Added
Novo Holdings A/S60,900$10.8M0.52%+4,500+8.0%Added
LMR Partners LLP65,000$11.5M0.30%+65,000New
Swiss National Bank65,400$11.6M0.01%+700+1.1%Added
Soleus Capital Management, L.P.67,400$12.0M1.62%−21,550−24.2%Reduced
Nicholas Investment Partners, LP68,171$12.1M1.12%+4,703+7.4%Added
Rhenman & Partners Asset Management AB63,000$12.3M1.29%+13,000+26.0%Added
UBS Asset Management Americas Inc82,827$14.7M0.01%−13,697−14.2%Reduced
Eventide Asset Management, LLC84,050$14.9M0.29%+61,150+267.0%Added
Lazard Asset Management LLC85,554$15.2M0.02%+4,621+5.7%Added
Jacobs Levy Equity Management, Inc89,207$15.8M0.13%+89,207New
Bank of America Corp90,993$16.1M0.00%+2,158+2.4%Added
D. E. Shaw & Co., Inc.96,799$17.2M0.03%−16,265−14.4%Reduced
Moore Capital Management, LP99,034$17.6M0.48%+25,098+33.9%Added
Iron Triangle Partners LP100,000$17.7M3.10%−13,938−12.2%Reduced
Eagle Health Investments LP100,553$17.8M4.09%+6,400+6.8%Added
SEI Investments Co107,087$19.0M0.04%+5,493+5.4%Added
Polar Asset Management Partners Inc.108,002$19.2M0.25%+96,202+815.3%Added
Nuveen Asset Management, LLC108,855$19.3M0.01%+9,929+10.0%Added
Thrivent Financial for Lutherans112,018$19.9M0.05%+7,491+7.2%Added
Eagle Asset Management Inc114,440$20.3M0.13%+12,004+11.7%Added
Morgan Stanley117,063$20.8M0.00%−32,817−21.9%Reduced
JPMorgan Chase & Co122,221$21.7M0.00%+33,826+38.3%Added
Granite Investment Partners, LLC130,090$23.1M1.00%−521−0.4%Reduced
Mairs & Power Inc132,007$23.4M0.30%+256+0.2%Added
Artisan Partners Limited Partnership133,586$23.7M0.04%+550+0.4%Added
Amundi128,000$24.2M0.01%−1,302−1.0%Reduced
Holocene Advisors, LP142,528$25.3M0.16%+52,240+57.9%Added
Atika Capital Management LLC153,502$27.2M3.08%+25,802+20.2%Added
Keybank National Association162,392$28.8M0.15%+199+0.1%Added
Jennison Associates LLC172,746$30.6M0.03%+13,810+8.7%Added
Pura Vida Investments, LLC201,584$35.8M5.39%−2,881−1.4%Reduced
Frontier Capital Management Co LLC206,559$36.6M0.43%−6,504−3.1%Reduced
Summit Partners Public Asset Management, LLC212,584$37.7M3.12%+81,767+62.5%Added
TimesSquare Capital Management, LLC232,520$41.2M0.57%+22,905+10.9%Added
Goldman Sachs Group Inc235,670$41.8M0.01%+147,635+167.7%Added
Federated Hermes, Inc.240,000$42.6M0.12%00.0%Unchanged
Norges Bank247,350$43.9M0.01%+54,424+28.2%Added
Price T Rowe Associates Inc264,666$46.9M0.01%+25,737+10.8%Added
Driehaus Capital Management LLC268,146$47.6M0.72%−59,653−18.2%Reduced
Ameriprise Financial Inc268,738$47.7M0.02%−75,504−21.9%Reduced
Victory Capital Management Inc284,168$50.4M0.06%−5,635−1.9%Reduced
Charles Schwab Investment Management Inc287,848$51.1M0.02%+76,956+36.5%Added
Loomis Sayles & Co L P291,150$51.6M0.10%−3,577−1.2%Reduced
Bank of New York Mellon Corp292,125$51.8M0.01%+6,784+2.4%Added
Bamco Inc293,336$52.0M0.17%+4,100+1.4%Added
Westfield Capital Management Co LP306,267$54.3M0.43%+32,727+12.0%Added
Northern Trust Corp312,176$55.4M0.01%+3,371+1.1%Added
Marshall Wace, LLP364,437$64.6M0.16%−5,666−1.5%Reduced
Bellevue Group AG401,768$71.3M1.02%−5,289−1.3%Reduced
Fred Alger Management, LLC459,588$81.5M0.41%−130,807−22.2%Reduced
Allspring Global Investments Holdings, LLC471,557$83.6M0.15%−8,297−1.7%Reduced
Geode Capital Management, LLC479,764$85.1M0.01%+18,486+4.0%Added
Farallon Capital Management, L.L.C.481,996$85.5M0.52%+68,996+16.7%Added
Credit Suisse AG486,044$86.2M0.10%+70,941+17.1%Added
Point72 Asset Management, L.P.488,672$86.7M0.38%+194,895+66.3%Added
Lord, Abbett & Co. LLC511,447$90.7M0.33%+162,076+46.4%Added
Citadel Advisors LLC549,466$97.5M0.12%+238,946+77.0%Added
Wellington Management Group LLP557,157$98.8M0.02%+134,782+31.9%Added
State Street Corp585,750$103.9M0.01%+42,571+7.8%Added
Gilder Gagnon Howe & Co LLC601,505$106.7M1.86%−3,876−0.6%Reduced
Wasatch Advisors Inc605,398$107.4M0.75%−13,022−2.1%Reduced
Viking Global Investors LPSuperinvestorViking Global Investors633,572$112.4M0.52%+38,379+6.4%Added
William Blair Investment Management, LLC658,612$116.8M0.46%−5,779−0.9%Reduced
Invesco Ltd.661,689$117.4M0.04%+899+0.1%Added
Champlain Investment Partners, LLC690,170$122.4M0.84%−8,415−1.2%Reduced
Franklin Resources Inc1,075,238$190.7M0.10%−22,610−2.1%Reduced
Macquarie Group Ltd1,407,913$249.8M0.31%−132,582−8.6%Reduced
FMR LLC1,528,722$271.1M0.03%−727,185−32.2%Reduced
BlackRock Inc.2,005,864$355.8M0.01%+104,573+5.5%Added