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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 2025

Institutional positions in Inspire Medical Systems, Inc. as of Jun 30, 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
356
−4 vs. Q1 2025
Shares held
33.8M
−415.0K (−1.2%) vs. Q1 2025
Total value
$4.39B
−$1.06B (−19.4%) vs. Q1 2025
New holders
48
131 more added
Sold out
52
140 more reduced

3 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 2025: 356 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 2025: $4.39B
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 2025

Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q1 2025.

Institutions holding INSP in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Ensign Peak Advisors, Inc9,477$1.23M0.00%−1,723−15.4%Reduced
UBS Oconnor LLC9,522$1.24M0.03%+1,522+19.0%Added
Amalgamated Bank9,567$1.24M0.01%+125+1.3%Added
Jackson Creek Investment Advisors LLC9,618$1.25M0.34%+1,157+13.7%Added
Sivik Global Healthcare LLC10,000$1.30M0.58%+10,000New
Maryland State Retirement & Pension System10,037$1.30M0.03%+62+0.6%Added
Mirae Asset Global ETFs Holdings Ltd.10,320$1.34M0.00%+10,320New
Canada Pension Plan Investment Board10,400$1.35M0.00%+900+9.5%Added
Versor Investments LP10,671$1.38M0.24%+10,671New
EFG Asset Management (North America) Corp.10,747$1.39M0.20%+10,747New
Azzad Asset Management Inc10,951$1.42M0.15%−25−0.2%Reduced
Clearbridge Investments, LLC11,087$1.44M0.00%−1,961−15.0%Reduced
Exchange Traded Concepts, LLC11,177$1.45M0.02%+471+4.4%Added
Police & Firemen's Retirement System of New Jersey11,189$1.45M0.01%+454+4.2%Added
Yousif Capital Management, LLC11,268$1.46M0.02%+30+0.3%Added
LPL Financial LLC11,477$1.49M0.00%+1,351+13.3%Added
Gilliland Jeter Wealth Management LLC11,708$1.52M0.49%−1,000−7.9%Reduced
Granite Investment Partners, LLC11,785$1.53M0.07%−92,331−88.7%Reduced
Barclays PLC11,993$1.56M0.00%−16,693−58.2%Reduced
Wells Fargo & Company12,260$1.59M0.00%−4,088−25.0%Reduced
Nordea Investment Management AB12,624$1.63M0.00%+12,624New
Royal Bank of Canada12,729$1.65M0.00%−20,040−61.2%Reduced
State of New Jersey Common Pension Fund D12,905$1.67M0.01%+2,223+20.8%Added
Treasurer of the State of North Carolina13,366$1.74M0.01%−38−0.3%Reduced
Nebula Research & Development LLC13,522$1.75M0.15%−1,032−7.1%Reduced
Zacks Investment Management13,621$1.77M0.02%−43−0.3%Reduced
Louisiana State Employees Retirement System13,800$1.79M0.03%−200−1.4%Reduced
Fieldview Capital Management, LLC14,005$1.82M0.27%−5,871−29.5%Reduced
AXA S.A.14,109$1.83M0.01%+14,109New
D. E. Shaw & Co., Inc.14,222$1.85M0.00%−373−2.6%Reduced
Advisor Group Holdings, Inc.14,277$1.85M0.00%−561−3.8%Reduced
Hussman Strategic Advisors, Inc.14,700$1.91M0.44%+14,700New
Oppenheimer Asset Management Inc.15,161$1.97M0.02%−45−0.3%Reduced
Y-Intercept (Hong Kong) Ltd15,166$1.97M0.05%+15,166New
Marshall Wace, LLP15,905$2.06M0.00%+577+3.8%Added
Dark Forest Capital Management LP16,403$2.13M0.09%+6,516+65.9%Added
Verition Fund Management LLC16,434$2.13M0.01%+9,920+152.3%Added
State of Tennessee, Treasury Department16,445$2.13M0.01%+1,666+11.3%Added
Cetera Investment Advisers17,003$2.21M0.00%−1,948−10.3%Reduced
Point72 Hong Kong Ltd17,450$2.26M0.16%+17,450New
State of Alaska, Department of Revenue17,556$2.28M0.02%+1,116+6.8%Added
Susquehanna International Group, LLP18,029$2.34M0.00%+9,522+111.9%Added
Two Sigma Investments, LP19,350$2.51M0.00%−26,819−58.1%Reduced
Centiva Capital, LP19,554$2.54M0.17%+3,938+25.2%Added
Thornburg Investment Management Inc20,928$2.72M0.03%−1,976−8.6%Reduced
New York State Teachers Retirement System21,490$2.79M0.01%+100+0.5%Added
Brevan Howard Capital Management LP21,551$2.80M0.03%+17,688+457.9%Added
Algert Global LLC22,177$2.88M0.06%−37,643−62.9%Reduced
Great West Life Assurance Co24,497$3.18M0.01%−1,086−4.2%Reduced
LMCG Investments, LLC25,659$3.33M0.21%−2,181−7.8%Reduced
B. Metzler seel. Sohn & Co. AG25,762$3.34M0.03%+7,075+37.9%Added
Oak Ridge Investments LLC26,353$3.42M0.25%+263+1.0%Added
Monimus Capital Management, LP26,375$3.42M2.75%+6,282+31.3%Added
California State Teachers Retirement System27,554$3.58M0.00%00.0%Unchanged
Schroder Investment Management Group28,692$3.72M0.00%−1,870−6.1%Reduced
Baird Financial Group, Inc.28,773$3.73M0.01%−2,525−8.1%Reduced
Rhenman & Partners Asset Management AB30,500$3.96M0.50%+14,500+90.6%Added
State Board of Administration of Florida Retirement System31,667$4.11M0.01%+557+1.8%Added
Envestnet Asset Management Inc31,894$4.14M0.00%−2,257−6.6%Reduced
Bullseye Asset Management LLC36,128$4.69M2.34%00.0%Unchanged
Prudential Financial Inc28,500$4.89M0.01%+614+2.2%Added
California Public Employees Retirement System38,537$5.00M0.00%+50.0%Added
Allspring Global Investments Holdings, LLC39,616$5.18M0.01%−267,124−87.1%Reduced
Beck Bode, LLC40,537$5.26M0.89%+4,017+11.0%Added
Kopp Family Office, LLC40,614$5.27M3.41%−427−1.0%Reduced
Comerica Bank41,007$5.32M0.02%+17,134+71.8%Added
Teachers Retirement System of the State of Kentucky42,724$5.54M0.04%−2,271−5.0%Reduced
Jennison Associates LLC45,439$5.90M0.00%−21,163−31.8%Reduced
Nuveen, LLC48,017$6.23M0.00%−88,605−64.9%Reduced
Congress Wealth Management LLC49,960$6.48M0.06%+15,576+45.3%Added
Impax Asset Management Group plc50,000$6.49M0.04%00.0%Unchanged
Kornitzer Capital Management Inc50,240$6.52M0.13%00.0%Unchanged
Citigroup Inc51,528$6.69M0.00%+27,744+116.6%Added
Public Employees Retirement System of Ohio51,777$6.72M0.02%+4,477+9.5%Added
Rheos Capital Works Inc.52,400$6.80M0.39%00.0%Unchanged
Intech Investment Management LLC52,583$6.82M0.06%+18,489+54.2%Added
M&G Plc52,924$6.88M0.04%+150.0%Added
American Century Companies Inc56,604$7.35M0.00%+38,172+207.1%Added
Swiss National Bank56,800$7.37M0.00%−1,300−2.2%Reduced
Mitsubishi UFJ Trust & Banking Corp57,611$7.48M0.02%−9,867−14.6%Reduced
BNP Paribas Arbitrage, SA59,768$7.76M0.01%+118+0.2%Added
Edgestream Partners, L.P.60,198$7.81M0.22%+55,761+1,256.7%Added
Victory Capital Management Inc62,707$8.14M0.01%−16,230−20.6%Reduced
Price T Rowe Associates Inc63,638$8.26M0.00%+7,224+12.8%Added
Magnetar Financial LLC67,379$8.74M0.04%+67,379New
Mairs & Power Inc67,804$8.80M0.09%−2,972−4.2%Reduced
State of Wisconsin Investment Board68,480$8.89M0.02%+669+1.0%Added
Capital Fund Management S.A.68,663$8.91M0.10%+21,021+44.1%Added
Integral Health Asset Management, LLC70,000$9.08M0.85%+5,000+7.7%Added
Rhumbline Advisers70,755$9.18M0.01%−780−1.1%Reduced
Lazard Asset Management LLC72,105$9.36M0.01%+16,536+29.8%Added
Point72 Asset Management, L.P.75,405$9.79M0.02%+75,405New
Bellevue Group AG75,660$9.82M0.22%−23,367−23.6%Reduced
Gilder Gagnon Howe & Co LLC91,756$11.9M0.13%−91,897−50.0%Reduced
Goldman Sachs Group Inc94,066$12.2M0.00%+42,644+82.9%Added
Legal & General Group Plc95,688$12.4M0.00%+1,709+1.8%Added
Neuberger Berman Group LLC99,791$12.9M0.01%−363−0.4%Reduced
Public Sector Pension Investment Board100,505$13.0M0.06%+6,445+6.9%Added
Rock Springs Capital Management LP107,500$14.0M0.87%+8,250+8.3%Added
Soleus Capital Management, L.P.109,000$14.1M0.98%+70,000+179.5%Added