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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, Q1 2021

Institutional positions in Inspire Medical Systems, Inc. as of Mar 31, 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
251
No complete 13F data for Q4 2020
Shares held
25.2M
No complete 13F data for Q4 2020
Total value
$5.21B
No complete 13F data for Q4 2020

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 holdersQ1 2021: 251 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 heldQ1 2021: $5.21B
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, Q1 2021

Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding INSP in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC2,742,463$567.7M0.05%––
Vanguard Group Inc2,476,600$512.6M0.01%––
BlackRock Inc.2,002,216$414.4M0.01%––
Franklin Resources Inc1,080,753$223.7M0.09%––
Lord, Abbett & Co. LLC996,583$206.3M0.53%––
Invesco Ltd.875,485$181.2M0.05%––
Fred Alger Management, LLC861,755$178.4M0.47%––
Gilder Gagnon Howe & Co LLC854,682$176.9M0.95%––
Credit Suisse AG687,961$142.4M0.11%––
Wasatch Advisors Inc650,949$134.7M0.61%––
William Blair Investment Management, LLC643,181$133.1M0.43%––
Champlain Investment Partners, LLC595,340$123.2M0.64%––
State Street Corp494,455$102.3M0.01%––
Federated Hermes, Inc.474,131$98.1M0.19%––
Geode Capital Management, LLC429,469$88.9M0.01%––
D. E. Shaw & Co., Inc.395,119$81.8M0.10%––
Victory Capital Management Inc381,056$78.9M0.08%––
Bamco Inc373,935$77.4M0.19%––
Marshall Wace, LLP367,471$76.1M0.40%––
Loomis Sayles & Co L P356,331$73.8M0.10%––
Northern Trust Corp335,117$69.4M0.01%––
Marshall Wace North America L.P.323,235$66.9M0.28%––
Bellevue Group AG320,188$66.3M0.70%––
Morgan Stanley293,232$60.7M0.01%––
Principal Financial Group Inc265,834$55.0M0.04%––
Price T Rowe Associates Inc230,479$47.7M0.00%––
TimesSquare Capital Management, LLC227,880$47.2M0.40%––
Driehaus Capital Management LLC221,184$45.8M0.68%––
Eagle Asset Management Inc208,880$43.4M0.19%––
Pura Vida Investments, LLC204,187$42.3M2.92%––
Norges Bank193,176$40.0M0.01%––
Charles Schwab Investment Management Inc192,333$39.8M0.01%––
Wells Fargo & Company189,925$39.3M0.01%––
Artisan Partners Limited Partnership186,494$38.6M0.05%––
Jennison Associates LLC185,566$38.4M0.03%––
Atika Capital Management LLC148,000$30.6M3.19%––
Thrivent Financial for Lutherans128,326$26.6M0.06%––
Nuveen Asset Management, LLC127,353$26.4M0.01%––
Adage Capital Partners GP, L.L.C.120,000$24.8M0.05%––
Bank of New York Mellon Corp116,321$24.1M0.00%––
Granite Investment Partners, LLC115,793$24.0M0.80%––
JPMorgan Chase & Co112,367$23.3M0.00%––
Point72 Asset Management, L.P.110,843$22.9M0.12%––
UBS Asset Management Americas Inc108,159$22.4M0.01%––
First Trust Advisors LP104,733$21.7M0.03%––
Waddell & Reed Financial Inc101,096$20.9M0.04%––
Nicholas Investment Partners, LP101,046$20.9M1.46%––
Bank of America Corp100,613$20.8M0.00%––
Rock Springs Capital Management LP100,000$20.7M0.45%––
Miura Global Management, LLC95,000$19.7M3.51%––
Cormorant Asset Management, LP85,000$17.6M0.51%––
Goldman Sachs Group Inc77,889$16.1M0.00%––
Mairs & Power Inc76,379$15.8M0.17%––
Lisanti Capital Growth, LLC72,631$15.0M1.93%––
Oak Ridge Investments LLC69,417$14.4M1.34%––
Macquarie Group Ltd67,216$13.9M0.02%––
Arrowstreet Capital, Limited Partnership66,389$13.7M0.02%––
California Public Employees Retirement System63,013$13.0M0.01%––
Segall Bryant & Hamill, LLC60,961$12.6M0.12%––
Sectoral Asset Management Inc60,500$12.5M0.95%––
Swiss National Bank55,400$11.5M0.01%––
Allianz Asset Management GmbH53,946$11.2M0.01%––
Citadel Advisors LLC53,059$11.0M0.01%––
Russell Investments Group, Ltd.45,454$9.41M0.02%––
Calamos Advisors LLC42,759$8.85M0.05%––
New York State Common Retirement Fund41,643$8.62M0.01%––
Novo Holdings A/S40,000$8.28M0.34%––
California State Teachers Retirement System39,527$8.18M0.01%––
Deutsche Bank AG37,728$7.81M0.00%––
State of Wisconsin Investment Board37,600$7.78M0.02%––
Eagle Health Investments LP37,453$7.75M3.15%––
Alliancebernstein L.P.36,800$7.62M0.00%––
Man Group plc34,639$7.17M0.03%––
Frontier Capital Management Co LLC32,623$6.75M0.05%––
Ameriprise Financial Inc31,178$6.45M0.00%––
Rhumbline Advisers28,644$5.93M0.01%––
Parametric Portfolio Associates LLC28,375$5.87M0.00%––
Barclays PLC25,742$5.33M0.01%––
Mutual of America Capital Management LLC24,093$4.99M0.05%––
Public Employees Retirement System of Ohio22,687$4.70M0.02%––
Jacobs Levy Equity Management, Inc21,963$4.55M0.04%––
CPWM, LLC19,940$4.13M0.36%––
Axiom Investors LLC17,801$3.69M0.07%––
Legal & General Group Plc17,272$3.58M0.00%––
Royal Bank of Canada17,105$3.54M0.00%––
UBS Group AG16,207$3.35M0.00%––
Neuberger Berman Group LLC15,848$3.28M0.00%––
State of New Jersey Common Pension Fund D15,436$3.19M0.01%––
American International Group, Inc.15,257$3.16M0.01%––
Manufacturers Life Insurance Company, The14,629$3.03M0.00%––
Landscape Capital Management, L.L.C.13,442$2.78M0.44%––
Bullseye Asset Management LLC13,365$2.77M1.03%––
AQR Capital Management LLC13,307$2.75M0.00%––
Cubist Systematic Strategies, LLC13,029$2.70M0.03%––
Raymond James & Associates12,823$2.65M0.00%––
Natixis11,702$2.42M0.01%––
Advisor Group Holdings, Inc.11,576$2.40M0.01%––
Voya Investment Management LLC11,485$2.38M0.00%––
Envestnet Asset Management Inc10,131$2.10M0.00%––
Dimensional Fund Advisors LP9,906$2.05M0.00%––