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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 2021

Institutional positions in Inspire Medical Systems, Inc. as of Jun 30, 2021. 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
248
−2 vs. Q1 2021
Shares held
25.0M
−73.8K (−0.3%) vs. Q1 2021
Total value
$4.83B
−$356.6M (−6.9%) vs. Q1 2021
New holders
34
101 more added
Sold out
36
74 more reduced

1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: 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 2021: 248 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 2021: $4.83B
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 2021

Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q1 2021.

Institutions holding INSP in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Polar Capital Holdings Plc5,511$1.06M0.01%+3,000+119.5%Added
HSBC Holdings PLC5,525$1.07M0.00%+3,205+138.1%Added
Connable Office Inc5,581$1.08M0.15%00.0%Unchanged
Handelsbanken Fonder AB5,700$1.10M0.01%+1,100+23.9%Added
Chartwell Investment Partners, LLC5,828$1.13M0.03%+5,828New
SG Americas Securities, LLC5,836$1.13M0.01%+482+9.0%Added
Barclays PLC6,139$1.19M0.00%−19,603−76.2%Reduced
Quantbot Technologies LP6,374$1.23M0.10%+2,501+64.6%Added
Paloma Partners Management Co6,415$1.24M0.03%+6,415New
Los Angeles Capital Management LLC6,502$1.26M0.01%−690−9.6%Reduced
Blair William & Co6,527$1.26M0.00%00.0%Unchanged
Jane Street Group, LLC6,614$1.28M0.00%−1,442−17.9%Reduced
Asset Management Corp6,700$1.29M0.84%00.0%Unchanged
Kornitzer Capital Management Inc6,785$1.31M0.02%00.0%Unchanged
ProShare Advisors LLC6,977$1.35M0.00%−19−0.3%Reduced
Cinctive Capital Management LP7,000$1.35M0.07%+1,937+38.3%Added
LPL Financial LLC7,104$1.37M0.00%+429+6.4%Added
Metropolitan Life Insurance Co7,312$1.41M0.02%+119+1.7%Added
AtonRa Partners7,326$1.42M0.52%+120+1.7%Added
Arizona State Retirement System7,374$1.43M0.01%+317+4.5%Added
Valeo Financial Advisors, LLC7,407$1.43M0.09%+4,064+121.6%Added
Baird Financial Group, Inc.7,627$1.47M0.00%+402+5.6%Added
Truist Financial Corp7,708$1.49M0.00%+1,199+18.4%Added
Susquehanna International Group, LLP7,714$1.49M0.00%+7,714New
ExodusPoint Capital Management, LP8,034$1.55M0.02%+5,845+267.0%Added
Commonwealth Equity Services, LLC8,332$1.61M0.00%+295+3.7%Added
Healthcare of Ontario Pension Plan Trust Fund8,700$1.68M0.00%+8,216+1,697.5%Added
Empowered Funds, LLC9,494$1.83M0.23%+9,494New
Dimensional Fund Advisors LP9,541$1.84M0.00%−365−3.7%Reduced
STRS Ohio9,800$1.89M0.01%+100+1.0%Added
MetLife Investment Management9,810$1.90M0.02%00.0%Unchanged
First Republic Investment Management, Inc.10,006$1.93M0.01%+7,748+343.1%Added
State Board of Administration of Florida Retirement System10,040$1.94M0.00%+295+3.0%Added
Voya Investment Management LLC10,676$2.06M0.00%−809−7.0%Reduced
Twinbeech Capital LP10,790$2.08M0.25%+10,790New
Raymond James & Associates11,168$2.16M0.00%−1,655−12.9%Reduced
Ergoteles LLC11,307$2.19M0.05%+8,307+276.9%Added
Natixis11,511$2.23M0.01%−191−1.6%Reduced
Envestnet Asset Management Inc12,397$2.40M0.00%+2,266+22.4%Added
Engineers Gate Manager LP12,793$2.47M0.16%+6,083+90.7%Added
Bullseye Asset Management LLC13,365$2.58M0.87%00.0%Unchanged
Axiom Investors LLC13,882$2.68M0.04%−3,919−22.0%Reduced
Landscape Capital Management, L.L.C.14,226$2.75M0.34%+784+5.8%Added
Cubist Systematic Strategies, LLC14,463$2.79M0.03%+1,434+11.0%Added
AQR Capital Management LLC14,532$2.81M0.00%+1,225+9.2%Added
UBS Group AG14,905$2.88M0.00%−1,302−8.0%Reduced
Manufacturers Life Insurance Company, The15,052$2.91M0.00%+423+2.9%Added
American International Group, Inc.15,071$2.91M0.01%−186−1.2%Reduced
Tudor Investment Corp Et Al16,244$3.14M0.06%+10,894+203.6%Added
Squarepoint Ops LLC16,439$3.18M0.02%+11,777+252.6%Added
Advisor Group Holdings, Inc.16,674$3.22M0.01%+5,098+44.0%Added
State of New Jersey Common Pension Fund D16,898$3.27M0.01%+1,462+9.5%Added
ETF Managers Group, LLC16,840$3.29M0.05%+16,840New
Legal & General Group Plc17,496$3.38M0.00%+224+1.3%Added
Neuberger Berman Group LLC17,972$3.47M0.00%+2,124+13.4%Added
Bank of Montreal18,805$3.68M0.00%+17,900+1,977.9%Added
Voloridge Investment Management, LLC19,667$3.80M0.03%+15,438+365.1%Added
Intrinsic Edge Capital Management LLC20,000$3.87M0.23%+20,000New
Man Group plc20,078$3.88M0.01%−14,561−42.0%Reduced
Altium Capital Management LP20,655$3.99M0.93%+20,655New
Assenagon Asset Management S.A.21,038$4.07M0.02%+21,038New
Soleus Capital Management, L.P.21,550$4.17M0.64%+21,550New
Public Employees Retirement System of Ohio21,893$4.23M0.01%−794−3.5%Reduced
Royal Bank of Canada22,186$4.29M0.00%+5,081+29.7%Added
Mutual of America Capital Management LLC23,099$4.46M0.04%−994−4.1%Reduced
First Trust Advisors LP23,814$4.60M0.00%−80,919−77.3%Reduced
PDT Partners, LLC26,031$5.03M0.33%+20,931+410.4%Added
Lazard Asset Management LLC26,975$5.21M0.01%+26,605+7,190.5%Added
Canada Pension Plan Investment Board27,000$5.22M0.01%+27,000New
Rhumbline Advisers27,863$5.38M0.01%−781−2.7%Reduced
Jackson Square Partners, LLC29,171$5.64M0.03%+21,905+301.5%Added
Osterweis Capital Management Inc29,420$5.69M0.29%+29,420New
Parametric Portfolio Associates LLC32,371$6.26M0.00%+3,996+14.1%Added
Russell Investments Group, Ltd.34,119$6.59M0.01%−11,335−24.9%Reduced
New York State Common Retirement Fund34,533$6.67M0.01%−7,110−17.1%Reduced
Alliancebernstein L.P.34,700$6.71M0.00%−2,100−5.7%Reduced
California State Teachers Retirement System37,063$7.16M0.01%−2,464−6.2%Reduced
State of Wisconsin Investment Board37,600$7.27M0.02%00.0%Unchanged
Calamos Advisors LLC40,430$7.81M0.04%−2,329−5.4%Reduced
Renaissance Technologies LLC43,439$8.39M0.01%+43,439New
Segall Bryant & Hamill, LLC43,866$8.48M0.08%−17,095−28.0%Reduced
Novo Holdings A/S46,151$8.92M0.40%+6,151+15.4%Added
Cormorant Asset Management, LP48,132$9.30M0.36%−36,868−43.4%Reduced
Bridgewater Associates, LP49,042$9.48M0.06%+45,929+1,475.4%Added
Allianz Asset Management GmbH51,340$9.92M0.01%−2,606−4.8%Reduced
Deutsche Bank AG54,485$10.5M0.01%+16,757+44.4%Added
Eagle Health Investments LP56,053$10.8M3.72%+18,600+49.7%Added
JPMorgan Chase & Co56,318$10.9M0.00%−56,049−49.9%Reduced
California Public Employees Retirement System59,766$11.6M0.01%−3,247−5.2%Reduced
Swiss National Bank59,800$11.6M0.01%+4,400+7.9%Added
Ameriprise Financial Inc62,413$12.1M0.00%+31,235+100.2%Added
Sectoral Asset Management Inc67,250$13.0M1.05%+6,750+11.2%Added
Oak Ridge Investments LLC67,481$13.0M1.14%−1,936−2.8%Reduced
Polar Asset Management Partners Inc.73,104$14.1M0.17%+73,104New
Amundi87,933$17.0M0.01%+87,933New
Bank of America Corp90,515$17.5M0.00%−10,098−10.0%Reduced
UBS Asset Management Americas Inc104,733$20.2M0.01%−3,426−3.2%Reduced
Nicholas Investment Partners, LP109,746$21.2M1.33%+8,700+8.6%Added
Frontier Capital Management Co LLC114,194$22.1M0.16%+81,571+250.0%Added
Granite Investment Partners, LLC115,999$22.4M0.69%+206+0.2%Added