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, Q4 2021
Institutional positions in Inspire Medical Systems, Inc. as of Dec 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
- 289
- +37 vs. Q3 2021
- Shares held
- 25.9M
- +785.1K (+3.1%) vs. Q3 2021
- Total value
- $5.95B
- +$111.0M (+1.9%) vs. Q3 2021
- New holders
- 53
- 90 more added
- Sold out
- 16
- 95 more reduced
2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 275 | $1.65B |
| Q1 2026 | 301 | $1.80B |
| Q4 2025 | 343 | $3.12B |
| Q3 2025 | 325 | $2.31B |
| Q2 2025 | 356 | $4.39B |
| Q1 2025 | 363 | $5.46B |
| Q4 2024 | 357 | $6.20B |
| Q3 2024 | 347 | $7.03B |
| Q2 2024 | 325 | $4.23B |
| Q1 2024 | 327 | $6.83B |
| Q4 2023 | 343 | $6.31B |
| Q3 2023 | 365 | $5.65B |
| Q2 2023 | 407 | $9.11B |
| Q1 2023 | 374 | $6.68B |
| Q4 2022 | 340 | $7.11B |
| Q3 2022 | 301 | $5.01B |
| Q2 2022 | 287 | $5.01B |
| Q1 2022 | 299 | $6.92B |
| Q4 2021 | 289 | $5.95B |
| Q3 2021 | 254 | $5.91B |
| Q2 2021 | 248 | $4.83B |
| Q1 2021 | 251 | $5.21B |
Institutions, Q4 2021
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| US Bancorp | 2,053 | $472.0K | 0.00% | −81−3.8% | Reduced |
| Polar Capital Holdings Plc | 2,075 | $477.0K | 0.00% | −926−30.9% | Reduced |
| Spearhead Capital Advisors, LLC | 2,078 | $478.0K | 0.06% | +18+0.9% | Added |
| Prospera Financial Services Inc | 2,100 | $483.0K | 0.02% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 2,100 | $483.0K | 0.17% | +700+50.0% | Added |
| Ameritas Investment Partners, Inc. | 2,102 | $484.0K | 0.02% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 2,342 | $539.0K | 0.02% | +10.0% | Added |
| Boulder Hill Capital Management LP | 2,500 | $575.0K | 0.56% | +2,500 | New |
| 55I, LLC | 2,540 | $584.0K | 0.01% | 00.0% | Unchanged |
| Oppenheimer Asset Management Inc. | 2,672 | $615.0K | 0.01% | −15−0.6% | Reduced |
| Pathstone Family Office, LLC | 2,752 | $633.0K | 0.02% | +25+0.9% | Added |
| Ziegler Capital Management, LLC | 2,825 | $650.0K | 0.02% | −132−4.5% | Reduced |
| First Hawaiian Bank | 2,850 | $656.0K | 0.02% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 2,968 | $683.0K | 0.06% | −353−10.6% | Reduced |
| Virginia Retirement Systems Et Al | 3,100 | $713.0K | 0.01% | +700+29.2% | Added |
| Qube Research & Technologies Ltd | 3,111 | $716.0K | 0.01% | +1,224+64.9% | Added |
| Avantax Planning Partners, Inc. | 3,143 | $723.0K | 0.03% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 3,150 | $725.0K | 0.03% | +1,377+77.7% | Added |
| Quent Capital, LLC | 3,225 | $742.0K | 0.16% | +3,225 | New |
| Susquehanna International Group, LLP | 3,246 | $747.0K | 0.00% | −9,393−74.3% | Reduced |
| Ergoteles LLC | 3,288 | $756.0K | 0.03% | +3,288 | New |
| Silvant Capital Management LLC | 3,343 | $769.0K | 0.13% | −214−6.0% | Reduced |
| Lebenthal Global Advisors, LLC | 3,440 | $791.0K | 0.32% | −100−2.8% | Reduced |
| Diversified Trust Co | 3,480 | $801.0K | 0.03% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 3,527 | $811.0K | 0.00% | +989+39.0% | Added |
| Cna Financial Corp | 3,528 | $812.0K | 0.21% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 3,551 | $817.0K | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 3,587 | $825.0K | 0.01% | −18,723−83.9% | Reduced |
| Trexquant Investment LP | 3,676 | $846.0K | 0.05% | +3,676 | New |
| Hillsdale Investment Management Inc. | 3,700 | $851.0K | 0.06% | −300−7.5% | Reduced |
| Level Four Advisory Services, LLC | 3,712 | $854.0K | 0.07% | +3,712 | New |
| HRT Financial LP | 3,763 | $865.0K | 0.00% | −6,275−62.5% | Reduced |
| Quantbot Technologies LP | 4,115 | $946.0K | 0.08% | +4,115 | New |
| ClariVest Asset Management LLC | 4,250 | $977.0K | 0.03% | +4,250 | New |
| Voloridge Investment Management, LLC | 4,255 | $979.0K | 0.01% | −59,713−93.3% | Reduced |
| Jane Street Group, LLC | 4,256 | $979.0K | 0.00% | −8,602−66.9% | Reduced |
| Royce & Associates LP | 4,488 | $1.03M | 0.01% | +4,488 | New |
| Toronto Dominion Bank | 4,600 | $1.06M | 0.00% | +4,600 | New |
| Amalgamated Bank | 4,735 | $1.09M | 0.01% | −51−1.1% | Reduced |
| CPWM, LLC | 4,692 | $1.09M | 0.09% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 4,800 | $1.10M | 0.01% | −900−15.8% | Reduced |
| Stifel Financial Corp | 4,870 | $1.12M | 0.00% | −173−3.4% | Reduced |
| Affinity Investment Advisors, LLC | 4,955 | $1.14M | 0.46% | −100−2.0% | Reduced |
| Winton Group Ltd | 4,971 | $1.14M | 0.07% | +4,971 | New |
| Weiss Multi-Strategy Advisers LLC | 5,042 | $1.16M | 0.03% | −20−0.4% | Reduced |
| Kornitzer Capital Management Inc | 5,200 | $1.20M | 0.02% | −1,585−23.4% | Reduced |
| Teacher Retirement System of Texas | 5,301 | $1.22M | 0.01% | +1,049+24.7% | Added |
| Janus Henderson Group PLC | 5,505 | $1.27M | 0.00% | +2,768+101.1% | Added |
| Connable Office Inc | 5,581 | $1.28M | 0.16% | 00.0% | Unchanged |
| Zacks Investment Management | 5,666 | $1.30M | 0.02% | +5,666 | New |
| Chartwell Investment Partners, LLC | 5,728 | $1.32M | 0.04% | −100−1.7% | Reduced |
| ProShare Advisors LLC | 5,877 | $1.35M | 0.00% | +2,430+70.5% | Added |
| BNP Paribas Arbitrage, SA | 5,882 | $1.35M | 0.00% | +493+9.1% | Added |
| Tudor Investment Corp Et Al | 5,884 | $1.35M | 0.03% | −242−4.0% | Reduced |
| Los Angeles Capital Management LLC | 6,425 | $1.48M | 0.01% | −77−1.2% | Reduced |
| Asset Management Corp | 6,700 | $1.54M | 0.89% | 00.0% | Unchanged |
| Algert Global LLC | 6,772 | $1.56M | 0.19% | +34+0.5% | Added |
| Metropolitan Life Insurance Co | 6,867 | $1.58M | 0.02% | −208−2.9% | Reduced |
| Blair William & Co | 7,041 | $1.62M | 0.01% | +15+0.2% | Added |
| M&G Investment Management Ltd | 7,042 | $1.62M | 0.01% | +7,042 | New |
| LPL Financial LLC | 7,227 | $1.66M | 0.00% | −1,810−20.0% | Reduced |
| First Republic Investment Management, Inc. | 7,290 | $1.68M | 0.00% | −889−10.9% | Reduced |
| Arizona State Retirement System | 7,340 | $1.69M | 0.01% | −73−1.0% | Reduced |
| SG Americas Securities, LLC | 7,525 | $1.73M | 0.01% | +1,677+28.7% | Added |
| Principal Financial Group Inc | 7,833 | $1.80M | 0.00% | −3,449−30.6% | Reduced |
| Valeo Financial Advisors, LLC | 8,154 | $1.88M | 0.10% | +3,750+85.1% | Added |
| Commonwealth Equity Services, LLC | 8,299 | $1.91M | 0.00% | −236−2.8% | Reduced |
| MetLife Investment Management | 9,323 | $2.14M | 0.02% | 00.0% | Unchanged |
| Axiom Investors LLC | 9,433 | $2.17M | 0.04% | −2,860−23.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 9,825 | $2.26M | 0.00% | −3,992−28.9% | Reduced |
| State Board of Administration of Florida Retirement System | 9,914 | $2.28M | 0.00% | −126−1.3% | Reduced |
| Voya Investment Management LLC | 10,434 | $2.40M | 0.00% | −82−0.8% | Reduced |
| Baird Financial Group, Inc. | 10,667 | $2.45M | 0.01% | +1,160+12.2% | Added |
| Truist Financial Corp | 10,950 | $2.52M | 0.00% | +565+5.4% | Added |
| Raymond James & Associates | 11,177 | $2.57M | 0.00% | +968+9.5% | Added |
| EFG Asset Management (North America) Corp. | 11,540 | $2.65M | 0.35% | +11,540 | New |
| SEI Investments Co | 11,655 | $2.69M | 0.01% | +3,098+36.2% | Added |
| Neuberger Berman Group LLC | 12,309 | $2.75M | 0.00% | +1,866+17.9% | Added |
| Landscape Capital Management, L.L.C. | 12,290 | $2.83M | 0.40% | −103−0.8% | Reduced |
| AtonRa Partners | 13,012 | $2.99M | 1.04% | +4,457+52.1% | Added |
| Dimensional Fund Advisors LP | 13,110 | $3.02M | 0.00% | +3,502+36.4% | Added |
| Next Century Growth Investors LLC | 13,127 | $3.02M | 0.27% | +13,127 | New |
| Bullseye Asset Management LLC | 13,324 | $3.03M | 1.20% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 13,545 | $3.12M | 0.00% | −174−1.3% | Reduced |
| Citigroup Inc | 13,965 | $3.21M | 0.00% | +10,404+292.2% | Added |
| American International Group, Inc. | 14,293 | $3.29M | 0.02% | −428−2.9% | Reduced |
| Advisor Group Holdings, Inc. | 14,383 | $3.31M | 0.01% | +601+4.4% | Added |
| Bank of Montreal | 14,131 | $3.38M | 0.00% | −19,822−58.4% | Reduced |
| Cubist Systematic Strategies, LLC | 15,651 | $3.60M | 0.03% | +12,885+465.8% | Added |
| Putnam Investments LLC | 15,740 | $3.62M | 0.01% | +15,740 | New |
| AQR Capital Management LLC | 15,934 | $3.67M | 0.01% | +1,254+8.5% | Added |
| State of New Jersey Common Pension Fund D | 16,425 | $3.78M | 0.01% | −420−2.5% | Reduced |
| Susquehanna Fundamental Investments, LLC | 17,177 | $3.95M | 0.10% | −3,460−16.8% | Reduced |
| PDT Partners, LLC | 17,386 | $4.00M | 0.30% | −6,714−27.9% | Reduced |
| HealthCor Management, L.P. | 17,490 | $4.02M | 0.22% | +17,490 | New |
| Envestnet Asset Management Inc | 17,791 | $4.09M | 0.00% | +2,377+15.4% | Added |
| Ensign Peak Advisors, Inc | 19,140 | $4.40M | 0.01% | +12,980+210.7% | Added |
| Jackson Square Partners, LLC | 19,445 | $4.47M | 0.04% | −18,028−48.1% | Reduced |
| UBS Group AG | 19,667 | $4.52M | 0.00% | +5,111+35.1% | Added |
| Cinctive Capital Management LP | 20,116 | $4.63M | 0.22% | −10,968−35.3% | Reduced |