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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 2025

Institutional positions in Inspire Medical Systems, Inc. as of Mar 31, 2025. 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
363
+8 vs. Q4 2024
Shares held
34.3M
+1.02M (+3.1%) vs. Q4 2024
Total value
$5.46B
−$717.1M (−11.6%) vs. Q4 2024
New holders
58
141 more added
Sold out
50
113 more reduced

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 363 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 2025: $5.46B
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 2025

Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q4 2024.

Institutions holding INSP in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Bullseye Asset Management LLC36,128$5.75M3.11%00.0%Unchanged
Congress Wealth Management LLC34,384$5.48M0.07%+34,384New
Envestnet Asset Management Inc34,151$5.44M0.00%+8,484+33.1%Added
Intech Investment Management LLC34,094$5.43M0.06%+21,297+166.4%Added
Osterweis Capital Management Inc33,143$5.28M0.26%+33,143New
Royal Bank of Canada32,769$5.22M0.00%+4,528+16.0%Added
Baird Financial Group, Inc.31,298$4.99M0.01%+2,907+10.2%Added
State Board of Administration of Florida Retirement System31,110$4.96M0.01%00.0%Unchanged
Schroder Investment Management Group30,562$4.87M0.00%+30,562New
Prudential Financial Inc27,886$4.81M0.01%−854−3.0%Reduced
Barclays PLC28,686$4.57M0.00%+311+1.1%Added
LMCG Investments, LLC27,840$4.43M0.29%+972+3.6%Added
California State Teachers Retirement System27,554$4.39M0.01%−311−1.1%Reduced
Oak Ridge Investments LLC26,090$4.16M0.35%+1,186+4.8%Added
Great West Life Assurance Co25,583$4.08M0.01%−3,236−11.2%Reduced
Comerica Bank23,873$3.80M0.02%−1,286−5.1%Reduced
Citigroup Inc23,784$3.79M0.00%+4,488+23.3%Added
Nippon Life Global Investors Americas, Inc.23,380$3.72M0.18%00.0%Unchanged
Thornburg Investment Management Inc22,904$3.65M0.05%−1,965−7.9%Reduced
Russell Investments Group, Ltd.22,841$3.64M0.00%+4,715+26.0%Added
New York State Teachers Retirement System21,390$3.41M0.01%+12,196+132.7%Added
Monimus Capital Management, LP20,093$3.20M2.72%−7,411−26.9%Reduced
Fieldview Capital Management, LLC19,876$3.17M0.45%+19,876New
Cetera Investment Advisers18,951$3.02M0.01%+2,231+13.3%Added
B. Metzler seel. Sohn & Co. AG18,687$2.98M0.03%+5,262+39.2%Added
Universal- Beteiligungs- und Servicegesellschaft mbH18,535$2.95M0.01%+18,535New
American Century Companies Inc18,432$2.94M0.00%+7,218+64.4%Added
PDT Partners, LLC18,044$2.87M0.20%+20.0%Added
State of Alaska, Department of Revenue16,440$2.62M0.03%−591−3.5%Reduced
Wells Fargo & Company16,348$2.60M0.00%−2,665−14.0%Reduced
Millennium Management LLC16,246$2.59M0.00%+11,195+221.6%Added
Rhenman & Partners Asset Management AB16,000$2.55M0.29%−134,041−89.3%Reduced
Centiva Capital, LP15,616$2.49M0.14%+4,276+37.7%Added
Marshall Wace, LLP15,328$2.44M0.00%−261,803−94.5%Reduced
Oppenheimer Asset Management Inc.15,206$2.42M0.03%+2,179+16.7%Added
Advisor Group Holdings, Inc.14,838$2.36M0.01%−163−1.1%Reduced
State of Tennessee, Treasury Department14,779$2.35M0.01%+550+3.9%Added
TownSquare Capital, LLC14,750$2.35M0.03%+14,750New
D. E. Shaw & Co., Inc.14,595$2.32M0.00%+6,842+88.2%Added
Nebula Research & Development LLC14,554$2.32M0.21%+11,596+392.0%Added
Agf Management Ltd14,526$2.31M0.01%+1,720+13.4%Added
Louisiana State Employees Retirement System14,000$2.23M0.04%−500−3.4%Reduced
Zacks Investment Management13,664$2.18M0.02%+1,007+8.0%Added
Treasurer of the State of North Carolina13,404$2.13M0.01%+520+4.0%Added
Clearbridge Investments, LLC13,048$2.08M0.00%−3,301−20.2%Reduced
Gilliland Jeter Wealth Management LLC12,708$2.02M0.72%−15−0.1%Reduced
Yousif Capital Management, LLC11,238$1.79M0.02%−342−3.0%Reduced
Ensign Peak Advisors, Inc11,200$1.78M0.00%−1,147−9.3%Reduced
Azzad Asset Management Inc10,976$1.75M0.21%+10,976New
Alliancebernstein L.P.10,921$1.74M0.00%+30.0%Added
Police & Firemen's Retirement System of New Jersey10,735$1.71M0.02%+240+2.3%Added
Danske Bank A/S10,712$1.71M0.01%+959+9.8%Added
Exchange Traded Concepts, LLC10,706$1.71M0.03%+10,203+2,028.4%Added
State of New Jersey Common Pension Fund D10,682$1.70M0.01%−1,242−10.4%Reduced
AIA Group Ltd10,412$1.66M0.04%−1,354−11.5%Reduced
LPL Financial LLC10,126$1.61M0.00%+315+3.2%Added
Handelsbanken Fonder AB10,000$1.59M0.01%+1,600+19.0%Added
Maryland State Retirement & Pension System9,975$1.59M0.04%−1,822−15.4%Reduced
Dark Forest Capital Management LP9,887$1.57M0.07%+8,448+587.1%Added
Massmutual Trust Co FSB9,699$1.54M0.04%−540−5.3%Reduced
Canada Pension Plan Investment Board9,500$1.51M0.00%+9,500New
Amalgamated Bank9,442$1.50M0.01%−265−2.7%Reduced
Arizona State Retirement System8,596$1.37M0.01%−59−0.7%Reduced
Employees Retirement System of Texas8,580$1.37M0.01%00.0%Unchanged
Susquehanna International Group, LLP8,507$1.35M0.00%+5,826+217.3%Added
Jackson Creek Investment Advisors LLC8,461$1.35M0.43%+8,461New
Teacher Retirement System of Texas8,371$1.33M0.01%−5,308−38.8%Reduced
Commonwealth Equity Services, LLC8,311$1.32M0.00%+327+4.1%Added
Zurcher Kantonalbank (Zurich Cantonalbank)8,031$1.28M0.00%+369+4.8%Added
UBS Oconnor LLC8,000$1.27M0.03%+8,000New
MML Investors Services, LLC7,948$1.27M0.00%+7+0.1%Added
Landscape Capital Management, L.L.C.7,659$1.22M0.11%+7,659New
Two Sigma Advisers, LP7,600$1.21M0.00%+7,600New
Bessemer Group Inc7,183$1.15M0.00%+123+1.7%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys7,100$1.13M0.01%+703+11.0%Added
Manufacturers Life Insurance Company, The6,821$1.09M0.00%+457+7.2%Added
Deutsche Bank AG6,821$1.09M0.00%+537+8.5%Added
Oregon Public Employees Retirement Fund6,803$1.08M0.02%−251−3.6%Reduced
Integrated Quantitative Investments LLC6,800$1.08M0.53%00.0%Unchanged
Oak Associates, Ltd6,785$1.08M0.08%+6,785New
ABN AMRO Bank N.V.6,728$1.07M0.01%+281+4.4%Added
Winton Group Ltd6,632$1.06M0.06%+655+11.0%Added
Verition Fund Management LLC6,514$1.04M0.01%−252−3.7%Reduced
Cerity Partners LLC6,359$1.01M0.00%−5,403−45.9%Reduced
Stifel Financial Corp6,297$1.00M0.00%+3,832+155.5%Added
Virginia Retirement Systems Et Al5,894$938.8K0.01%+5,894New
Northwest & Ethical Investments L.P.5,724$911.7K0.02%−5,301−48.1%Reduced
KLP Kapitalforvaltning AS5,700$907.9K0.00%−700−10.9%Reduced
Bank of Montreal5,541$882.6K0.00%+1,019+22.5%Added
Valeo Financial Advisors, LLC5,502$876.4K0.02%+60+1.1%Added
Bayforest Capital Ltd5,491$874.6K0.38%+5,277+2,465.9%Added
Allianz Asset Management GmbH5,000$796.4K0.00%+78+1.6%Added
Quadrature Capital Ltd4,880$778.0K0.02%−4,238−46.5%Reduced
Lisanti Capital Growth, LLC4,810$766.1K0.23%+4,810New
Fox Hill Wealth Management4,723$752.3K0.44%+4,723New
CWM, LLC4,692$747.0K0.00%−5,207−52.6%Reduced
Diversified Trust Co4,678$745.1K0.02%−8−0.2%Reduced
MAI Capital Management4,634$738.0K0.01%00.0%Unchanged
Connable Office Inc4,633$737.9K0.08%00.0%Unchanged
Blair William & Co4,631$737.6K0.00%−185−3.8%Reduced