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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, Q2 2023

Institutional positions in Inspire Medical Systems, Inc. as of Jun 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
407
+35 vs. Q1 2023
Shares held
28.1M
−627.0K (−2.2%) vs. Q1 2023
Total value
$9.11B
+$2.43B (+36.4%) vs. Q1 2023
New holders
86
124 more added
Sold out
51
140 more reduced

2 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2023: 407 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 heldQ2 2023: $9.11B
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, Q2 2023

Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q1 2023.

Institutions holding INSP in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Lazard Asset Management LLC34,053$11.1M0.01%−3,731−9.9%Reduced
Next Century Growth Investors LLC32,862$10.7M1.03%+1,987+6.4%Added
Novo Holdings A/S32,500$10.6M0.82%−27,500−45.8%Reduced
Two Sigma Investments, LP32,350$10.5M0.03%+25,850+397.7%Added
Castleark Management LLC32,190$10.5M0.47%−7,260−18.4%Reduced
State Board of Administration of Florida Retirement System31,984$10.4M0.02%+23,840+292.7%Added
Bridgewater Associates, LP31,565$10.2M0.06%−3,594−10.2%Reduced
Canada Pension Plan Investment Board31,000$10.1M0.02%−5,900−16.0%Reduced
Axiom Investors LLC30,840$10.0M0.15%−4,287−12.2%Reduced
Oak Ridge Investments LLC29,922$9.71M1.20%−2,458−7.6%Reduced
Jane Street Group, LLC29,720$9.65M0.01%−70,237−70.3%Reduced
Allianz Asset Management GmbH29,661$9.63M0.02%+10,634+55.9%Added
Susquehanna Fundamental Investments, LLC29,354$9.53M0.35%−400−1.3%Reduced
Jacobs Levy Equity Management, Inc29,144$9.46M0.05%−1,464−4.8%Reduced
Lisanti Capital Growth, LLC28,968$9.40M1.30%+17,090+143.9%Added
Public Employees Retirement System of Ohio28,942$9.40M0.04%+10,968+61.0%Added
Mitsubishi UFJ Trust & Banking Corp27,740$9.01M0.02%+27,740New
M&G Investment Management Ltd27,212$8.84M0.05%+843+3.2%Added
Two Sigma Advisers, LP26,000$8.44M0.02%+23,600+983.3%Added
STRS Ohio25,638$8.32M0.04%−7,562−22.8%Reduced
Granite Investment Partners, LLC25,398$8.25M0.33%−99,530−79.7%Reduced
Polar Asset Management Partners Inc.24,482$7.95M0.16%−129,020−84.1%Reduced
Sectoral Asset Management Inc24,000$7.79M1.30%−3,500−12.7%Reduced
Tekla Capital Management LLC22,018$7.15M0.28%+22,018New
Centiva Capital, LP21,480$6.97M0.35%+21,480New
Envestnet Asset Management Inc21,351$6.93M0.00%−210,070−90.8%Reduced
Engineers Gate Manager LP21,236$6.89M0.26%+1,493+7.6%Added
Jump Financial, LLC20,771$6.74M0.25%−7,424−26.3%Reduced
Rheos Capital Works Inc.20,000$6.49M0.35%+20,000New
Calamos Advisors LLC19,982$6.49M0.03%+2,723+15.8%Added
HSBC Holdings PLC19,718$6.40M0.01%−1,181−5.7%Reduced
Osterweis Capital Management Inc19,530$6.34M0.42%−15,595−44.4%Reduced
Advisor Group Holdings, Inc.19,246$6.25M0.01%+5,935+44.6%Added
Kopp Family Office, LLC18,112$5.88M3.16%+3,877+27.2%Added
Tudor Investment Corp Et Al17,912$5.81M0.09%+11,990+202.5%Added
Voloridge Investment Management, LLC17,017$5.52M0.03%+1,699+11.1%Added
State of New Jersey Common Pension Fund D16,704$5.42M0.02%00.0%Unchanged
Royce & Associates LP16,488$5.35M0.05%00.0%Unchanged
ABN AMRO Bank N.V.16,334$5.30M0.11%−1,816−10.0%Reduced
Algert Global LLC15,740$5.11M0.22%−1,050−6.3%Reduced
Rhenman & Partners Asset Management AB15,400$5.00M0.53%−22,992−59.9%Reduced
Hillsdale Investment Management Inc.15,335$4.98M0.46%−5,090−24.9%Reduced
Wells Fargo & Company14,983$4.86M0.00%−4,725−24.0%Reduced
Parkman Healthcare Partners LLC14,470$4.70M0.81%+14,470New
Janney Montgomery Scott LLC13,986$4.54M0.02%+7,855+128.1%Added
Twinbeech Capital LP13,760$4.47M0.09%+13,760New
Janus Henderson Group PLC13,621$4.42M0.00%−13−0.1%Reduced
EAM Global Investors LLC13,482$4.38M1.29%+13,482New
Bullseye Asset Management LLC13,187$4.28M2.15%00.0%Unchanged
Baird Financial Group, Inc.13,038$4.23M0.01%−201−1.5%Reduced
Evolutionary Tree Capital Management, LLC12,998$4.22M5.08%−1,282−9.0%Reduced
DekaBank Deutsche Girozentrale13,250$4.19M0.01%+13,250New
Treasurer of the State of North Carolina12,560$4.08M0.02%+12,560New
Point72 Middle East FZE11,687$3.79M0.21%+11,620+17,343.3%Added
Mutual of America Capital Management LLC11,594$3.76M0.04%−6,525−36.0%Reduced
Schonfeld Strategic Advisors LLC11,503$3.73M0.03%+10,286+845.2%Added
Putnam Investments LLC9,970$3.24M0.00%−1,291−11.5%Reduced
Intrinsic Edge Capital Management LLC9,916$3.22M0.25%+9,916New
Natixis9,767$3.17M0.03%−53−0.5%Reduced
Teacher Retirement System of Texas9,743$3.16M0.02%−1,173−10.7%Reduced
Penserra Capital Management LLC9,669$3.14M0.06%+9,669New
Bokf, NA9,517$3.09M0.06%−248−2.5%Reduced
Alliancebernstein L.P.9,139$2.97M0.00%−25,576−73.7%Reduced
Zacks Investment Management8,656$2.81M0.04%−80−0.9%Reduced
Citigroup Inc8,648$2.81M0.00%+4,395+103.3%Added
UBS Oconnor LLC8,271$2.69M0.06%−1,494−15.3%Reduced
Arizona State Retirement System8,182$2.66M0.02%−189−2.3%Reduced
LPL Financial LLC8,132$2.64M0.00%+1,520+23.0%Added
EFG Asset Management (North America) Corp.8,121$2.64M0.57%+118+1.5%Added
Truist Financial Corp8,113$2.63M0.00%−657−7.5%Reduced
Miura Global Management, LLC8,000$2.60M1.50%−16,000−66.7%Reduced
Prudential Financial Inc7,918$2.57M0.00%−28,364−78.2%Reduced
Baillie Gifford & Co7,829$2.54M0.00%+7,644+4,131.9%Added
McKinley Capital Management LLC /Delaware7,670$2.49M0.33%+7,670New
Oberweis Asset Management Inc7,650$2.48M0.30%+1,700+28.6%Added
EAM Investors, LLC7,256$2.36M0.44%+7,256New
Blair William & Co7,149$2.32M0.01%−54−0.7%Reduced
Silvant Capital Management LLC7,000$2.27M0.13%00.0%Unchanged
Gotham Asset Management, LLC6,951$2.26M0.05%+567+8.9%Added
Deutsche Bank AG6,887$2.24M0.00%−18,008−72.3%Reduced
Commonwealth Equity Services, LLC6,872$2.23M0.00%+98+1.4%Added
Soleus Capital Management, L.P.6,700$2.18M0.24%−8,900−57.1%Reduced
Point72 Europe (London) LLP6,536$2.12M0.31%+6,536New
Amalgamated Bank6,244$2.03M0.02%+2,207+54.7%Added
Chartwell Investment Partners, LLC6,076$1.97M0.07%+2,833+87.4%Added
Summit Global Investments5,942$1.93M0.13%+1,653+38.5%Added
AQR Capital Management LLC5,809$1.89M0.00%−2,633−31.2%Reduced
Jefferies Financial Group Inc.5,641$1.83M0.04%+5,641New
Connable Office Inc5,581$1.81M0.25%00.0%Unchanged
First Trust Advisors LP5,546$1.80M0.00%−17,214−75.6%Reduced
Handelsbanken Fonder AB5,500$1.79M0.01%+800+17.0%Added
Raymond James & Associates5,203$1.69M0.00%−10,135−66.1%Reduced
Beck Bode, LLC5,127$1.66M0.40%+5,127New
Guggenheim Capital LLC5,011$1.63M0.01%−413−7.6%Reduced
Valeo Financial Advisors, LLC4,969$1.61M0.07%−1,906−27.7%Reduced
American Century Companies Inc4,919$1.60M0.00%−91,823−94.9%Reduced
Teachers Retirement System of the State of Kentucky4,912$1.59M0.02%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)4,869$1.58M0.01%+347+7.7%Added
Echo Street Capital Management LLC4,815$1.56M0.01%+4,815New
Virginia Retirement Systems Et Al4,700$1.53M0.01%+1,400+42.4%Added