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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 2023

Institutional positions in Inspire Medical Systems, Inc. as of Sep 30, 2023. 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
365
−38 vs. Q2 2023
Shares held
28.4M
+303.0K (+1.1%) vs. Q2 2023
Total value
$5.65B
−$3.45B (−37.9%) vs. Q2 2023
New holders
49
144 more added
Sold out
87
121 more reduced

4 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 2023: 365 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 2023: $5.65B
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 2023

Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q2 2023.

Institutions holding INSP in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
MAI Capital Management4,728$938.1K0.01%+4,728New
Oak Thistle LLC4,709$934.5K0.28%+4,709New
Susquehanna Fundamental Investments, LLC4,700$932.7K0.06%−24,654−84.0%Reduced
Connable Office Inc4,633$919.4K0.13%−948−17.0%Reduced
Harbour Capital Advisors, LLC4,583$909.5K0.27%+455+11.0%Added
Assetmark, Inc4,524$897.7K0.00%+556+14.0%Added
Russell Investments Group, Ltd.4,489$890.8K0.00%−34,334−88.4%Reduced
B. Metzler seel. Sohn & Co. AG4,486$890.2K0.01%+4,486New
Apollon Wealth Management, LLC4,473$887.6K0.04%−16−0.4%Reduced
Valeo Financial Advisors, LLC4,472$887.4K0.04%−497−10.0%Reduced
Keebeck Wealth Management, LLC4,427$878.5K0.15%+2,638+147.5%Added
Bessemer Group Inc4,385$870.0K0.00%+1,290+41.7%Added
Mariner, LLC4,213$836.0K0.00%−120−2.8%Reduced
JustInvest LLC4,208$835.0K0.02%+26+0.6%Added
Qsemble Capital Management, LP4,148$823.1K0.15%+4,148New
Advisors Asset Management, Inc.4,119$817.4K0.02%+876+27.0%Added
Xponance, Inc.4,096$812.8K0.01%+88+2.2%Added
EFG Asset Management (Americas) Corp.4,087$811.8K0.19%+1,530+59.8%Added
Weiss Multi-Strategy Advisers LLC3,933$780.0K0.02%+2,155+121.2%Added
Edgestream Partners, L.P.3,870$768.0K0.06%+3,060+377.8%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.3,781$750.3K0.00%−67−1.7%Reduced
Mutual of America Capital Management LLC3,687$731.6K0.01%−7,907−68.2%Reduced
Armistice Capital, LLC3,623$718.9K0.02%+3,623New
Public Employees Retirement Association of Colorado3,551$705.0K0.00%00.0%Unchanged
Aquatic Capital Management LLC3,500$695.0K0.03%−42,800−92.4%Reduced
AtonRa Partners3,423$679.3K1.42%−130−3.7%Reduced
Pictet Asset Management Holding SA3,363$667.4K0.00%+3,363New
Brighton Jones LLC3,339$662.6K0.03%−112−3.2%Reduced
Quent Capital, LLC3,225$640.0K0.10%00.0%Unchanged
Sherbrooke Park Advisers LLC3,220$639.0K0.20%+3,220New
Knights of Columbus Asset Advisors LLC3,218$638.6K0.06%+41+1.3%Added
Fox Run Management, L.L.C.3,116$618.3K0.18%−86−2.7%Reduced
Tower Research Capital LLC (TRC)3,114$617.9K0.02%+2,800+891.7%Added
Norris Financial Group, LLC3,057$606.6K0.42%−12−0.4%Reduced
Lebenthal Global Advisors, LLC3,055$606.2K0.18%−25−0.8%Reduced
Bridgefront Capital, LLC2,950$585.4K0.41%+894+43.5%Added
Diversified Trust Co2,934$582.2K0.02%−685−18.9%Reduced
Raymond James Financial Services Advisors, Inc.2,849$565.4K0.00%+923+47.9%Added
Polar Capital Holdings Plc2,690$533.8K0.00%−262,492−99.0%Reduced
Nelson, Van Denburg & Campbell Wealth Management Group, LLC2,677$531.2K0.04%+288+12.1%Added
The PNC Financial Services Group, Inc.2,658$527.5K0.00%−760−22.2%Reduced
Affinity Investment Advisors, LLC2,636$523.1K0.34%−140−5.0%Reduced
Great West Life Assurance Co2,609$518.0K0.00%+1,400+115.8%Added
Cowen and Company, LLC2,600$515.9K0.04%+2,600New
Winton Group Ltd2,526$501.3K0.04%+2,526New
Harbor Capital Advisors, Inc.2,483$492.7K0.11%+1,216+96.0%Added
Pathstone Family Office, LLC2,399$476.1K0.00%+25+1.1%Added
Prospera Financial Services Inc2,377$471.7K0.02%+50+2.1%Added
Maryland State Retirement & Pension System2,272$450.9K0.01%00.0%Unchanged
Illinois Municipal Retirement Fund2,259$448.0K0.01%00.0%Unchanged
LMR Partners LLP2,238$444.1K0.01%00.0%Unchanged
Jefferies Financial Group Inc.2,232$442.9K0.01%−3,409−60.4%Reduced
Verition Fund Management LLC2,203$437.2K0.01%−269−10.9%Reduced
Nebula Research & Development LLC2,104$417.5K0.22%+298+16.5%Added
CI Private Wealth, LLC2,101$416.9K0.00%+267+14.6%Added
Mercer Global Advisors Inc2,011$399.0K0.00%+889+79.2%Added
First Republic Investment Management, Inc.1,985$393.9K0.00%−1,951−49.6%Reduced
Oak Harvest Investment Services1,943$385.6K0.08%+558+40.3%Added
Creative Planning1,904$377.8K0.00%−115−5.7%Reduced
HighTower Advisors, LLC1,862$370.0K0.00%−397−17.6%Reduced
Virtus Investment Advisers, Inc.1,803$357.8K0.24%00.0%Unchanged
Two Sigma Investments, LP1,800$357.2K0.00%−30,550−94.4%Reduced
Steel Peak Wealth Management LLC1,800$357.2K0.02%+1,800New
MetLife Investment Management1,767$350.6K0.00%+1+0.1%Added
First Hawaiian Bank1,730$343.3K0.01%−147−7.8%Reduced
Caas Capital Management LP1,700$337.3K0.07%+1,700New
Berger Financial Group, Inc1,603$318.1K0.04%−77−4.6%Reduced
Teza Capital Management LLC1,602$317.9K0.05%+1,602New
Fifth Third Bancorp1,595$316.5K0.00%−6−0.4%Reduced
MML Investors Services, LLC1,555$309.0K0.00%+652+72.2%Added
Utah Retirement Systems1,552$308.0K0.00%00.0%Unchanged
US Bancorp1,542$306.0K0.00%+884+134.3%Added
Crossmark Global Holdings, Inc.1,641$304.0K0.01%+118+7.7%Added
Cetera Advisor Networks LLC1,522$302.0K0.00%+398+35.4%Added
Sirios Capital Management L P1,460$289.7K0.05%+1,460New
Quantamental Technologies LLC1,456$288.9K0.27%+1,456New
Boothbay Fund Management, LLC1,369$271.7K0.01%+1,369New
Northeast Financial Consultants Inc1,300$258.0K0.02%00.0%Unchanged
Bailard, Inc.1,293$256.6K0.01%00.0%Unchanged
Graham Capital Management, L.P.1,256$249.2K0.01%+1,256New
XTX Topco Ltd1,253$248.6K0.04%+1,253New
Caption Management, LLC1,230$244.1K0.03%+1,230New
HMS Capital Management, LLC1,209$239.9K0.16%−126−9.4%Reduced
Washington Trust Bank1,200$238.1K0.02%00.0%Unchanged
Henshaw Capital LLC1,188$235.7K0.01%+274+30.0%Added
Moran Wealth Management, LLC1,164$231.0K0.01%−98−7.8%Reduced
Gateway Wealth Partners, LLC1,110$220.3K0.04%+50+4.7%Added
Traynor Capital Management, Inc.1,100$218.3K0.03%00.0%Unchanged
Ziegler Capital Management, LLC1,090$216.3K0.01%+41+3.9%Added
Prudential Financial Inc1,070$212.3K0.00%−6,848−86.5%Reduced
Captrust Financial Advisors1,047$207.8K0.00%+317+43.4%Added
Paloma Partners Management Co1,032$204.8K0.04%+1,032New
Atria Wealth Solutions, Inc.1,013$201.0K0.00%−100−9.0%Reduced
Clearstead Advisors, LLC867$172.0K0.01%−117−11.9%Reduced
Van Eck Associates Corp853$169.0K0.00%+178+26.4%Added
Centaurus Financial, Inc.699$139.0K0.01%00.0%Unchanged
Tradition Wealth Management, LLC598$119.0K0.01%−5−0.8%Reduced
KBC Group NV572$114.0K0.00%+572New
Covestor Ltd532$106.0K0.08%−2−0.4%Reduced
Ci Investments Inc.527$105.0K0.00%−69−11.6%Reduced