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 |
|---|---|---|---|---|---|
| Cubist Systematic Strategies, LLC | 15,651 | $3.60M | 0.03% | +12,885+465.8% | Added |
| Bank of Montreal | 14,131 | $3.38M | 0.00% | −19,822−58.4% | Reduced |
| Advisor Group Holdings, Inc. | 14,383 | $3.31M | 0.01% | +601+4.4% | Added |
| American International Group, Inc. | 14,293 | $3.29M | 0.02% | −428−2.9% | Reduced |
| Citigroup Inc | 13,965 | $3.21M | 0.00% | +10,404+292.2% | Added |
| Manufacturers Life Insurance Company, The | 13,545 | $3.12M | 0.00% | −174−1.3% | Reduced |
| Bullseye Asset Management LLC | 13,324 | $3.03M | 1.20% | 00.0% | Unchanged |
| Next Century Growth Investors LLC | 13,127 | $3.02M | 0.27% | +13,127 | New |
| Dimensional Fund Advisors LP | 13,110 | $3.02M | 0.00% | +3,502+36.4% | Added |
| AtonRa Partners | 13,012 | $2.99M | 1.04% | +4,457+52.1% | Added |
| Landscape Capital Management, L.L.C. | 12,290 | $2.83M | 0.40% | −103−0.8% | Reduced |
| Neuberger Berman Group LLC | 12,309 | $2.75M | 0.00% | +1,866+17.9% | Added |
| SEI Investments Co | 11,655 | $2.69M | 0.01% | +3,098+36.2% | Added |
| EFG Asset Management (North America) Corp. | 11,540 | $2.65M | 0.35% | +11,540 | New |
| Raymond James & Associates | 11,177 | $2.57M | 0.00% | +968+9.5% | Added |
| Truist Financial Corp | 10,950 | $2.52M | 0.00% | +565+5.4% | Added |
| Baird Financial Group, Inc. | 10,667 | $2.45M | 0.01% | +1,160+12.2% | Added |
| Voya Investment Management LLC | 10,434 | $2.40M | 0.00% | −82−0.8% | Reduced |
| State Board of Administration of Florida Retirement System | 9,914 | $2.28M | 0.00% | −126−1.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 9,825 | $2.26M | 0.00% | −3,992−28.9% | Reduced |
| Axiom Investors LLC | 9,433 | $2.17M | 0.04% | −2,860−23.3% | Reduced |
| MetLife Investment Management | 9,323 | $2.14M | 0.02% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 8,299 | $1.91M | 0.00% | −236−2.8% | Reduced |
| Valeo Financial Advisors, LLC | 8,154 | $1.88M | 0.10% | +3,750+85.1% | Added |
| Principal Financial Group Inc | 7,833 | $1.80M | 0.00% | −3,449−30.6% | Reduced |
| SG Americas Securities, LLC | 7,525 | $1.73M | 0.01% | +1,677+28.7% | Added |
| Arizona State Retirement System | 7,340 | $1.69M | 0.01% | −73−1.0% | Reduced |
| First Republic Investment Management, Inc. | 7,290 | $1.68M | 0.00% | −889−10.9% | Reduced |
| LPL Financial LLC | 7,227 | $1.66M | 0.00% | −1,810−20.0% | 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 |
| Metropolitan Life Insurance Co | 6,867 | $1.58M | 0.02% | −208−2.9% | Reduced |
| Algert Global LLC | 6,772 | $1.56M | 0.19% | +34+0.5% | Added |
| Asset Management Corp | 6,700 | $1.54M | 0.89% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 6,425 | $1.48M | 0.01% | −77−1.2% | Reduced |
| Tudor Investment Corp Et Al | 5,884 | $1.35M | 0.03% | −242−4.0% | Reduced |
| BNP Paribas Arbitrage, SA | 5,882 | $1.35M | 0.00% | +493+9.1% | Added |
| ProShare Advisors LLC | 5,877 | $1.35M | 0.00% | +2,430+70.5% | Added |
| Chartwell Investment Partners, LLC | 5,728 | $1.32M | 0.04% | −100−1.7% | Reduced |
| Zacks Investment Management | 5,666 | $1.30M | 0.02% | +5,666 | New |
| Connable Office Inc | 5,581 | $1.28M | 0.16% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 5,505 | $1.27M | 0.00% | +2,768+101.1% | Added |
| Teacher Retirement System of Texas | 5,301 | $1.22M | 0.01% | +1,049+24.7% | Added |
| Kornitzer Capital Management Inc | 5,200 | $1.20M | 0.02% | −1,585−23.4% | Reduced |
| Weiss Multi-Strategy Advisers LLC | 5,042 | $1.16M | 0.03% | −20−0.4% | Reduced |
| Winton Group Ltd | 4,971 | $1.14M | 0.07% | +4,971 | New |
| Affinity Investment Advisors, LLC | 4,955 | $1.14M | 0.46% | −100−2.0% | Reduced |
| Stifel Financial Corp | 4,870 | $1.12M | 0.00% | −173−3.4% | Reduced |
| Handelsbanken Fonder AB | 4,800 | $1.10M | 0.01% | −900−15.8% | Reduced |
| CPWM, LLC | 4,692 | $1.09M | 0.09% | 00.0% | Unchanged |
| Amalgamated Bank | 4,735 | $1.09M | 0.01% | −51−1.1% | Reduced |
| Toronto Dominion Bank | 4,600 | $1.06M | 0.00% | +4,600 | New |
| Royce & Associates LP | 4,488 | $1.03M | 0.01% | +4,488 | 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 |
| ClariVest Asset Management LLC | 4,250 | $977.0K | 0.03% | +4,250 | New |
| Quantbot Technologies LP | 4,115 | $946.0K | 0.08% | +4,115 | New |
| HRT Financial LP | 3,763 | $865.0K | 0.00% | −6,275−62.5% | Reduced |
| Level Four Advisory Services, LLC | 3,712 | $854.0K | 0.07% | +3,712 | New |
| Hillsdale Investment Management Inc. | 3,700 | $851.0K | 0.06% | −300−7.5% | Reduced |
| Trexquant Investment LP | 3,676 | $846.0K | 0.05% | +3,676 | New |
| Schonfeld Strategic Advisors LLC | 3,587 | $825.0K | 0.01% | −18,723−83.9% | Reduced |
| Public Employees Retirement Association of Colorado | 3,551 | $817.0K | 0.00% | 00.0% | Unchanged |
| Cna Financial Corp | 3,528 | $812.0K | 0.21% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 3,527 | $811.0K | 0.00% | +989+39.0% | Added |
| Diversified Trust Co | 3,480 | $801.0K | 0.03% | 00.0% | Unchanged |
| Lebenthal Global Advisors, LLC | 3,440 | $791.0K | 0.32% | −100−2.8% | Reduced |
| Silvant Capital Management LLC | 3,343 | $769.0K | 0.13% | −214−6.0% | Reduced |
| Ergoteles LLC | 3,288 | $756.0K | 0.03% | +3,288 | New |
| Susquehanna International Group, LLP | 3,246 | $747.0K | 0.00% | −9,393−74.3% | Reduced |
| Quent Capital, LLC | 3,225 | $742.0K | 0.16% | +3,225 | New |
| Engineers Gate Manager LP | 3,150 | $725.0K | 0.03% | +1,377+77.7% | Added |
| Avantax Planning Partners, Inc. | 3,143 | $723.0K | 0.03% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 3,111 | $716.0K | 0.01% | +1,224+64.9% | Added |
| Virginia Retirement Systems Et Al | 3,100 | $713.0K | 0.01% | +700+29.2% | Added |
| Occudo Quantitative Strategies LP | 2,968 | $683.0K | 0.06% | −353−10.6% | Reduced |
| First Hawaiian Bank | 2,850 | $656.0K | 0.02% | 00.0% | Unchanged |
| Ziegler Capital Management, LLC | 2,825 | $650.0K | 0.02% | −132−4.5% | Reduced |
| Pathstone Family Office, LLC | 2,752 | $633.0K | 0.02% | +25+0.9% | Added |
| Oppenheimer Asset Management Inc. | 2,672 | $615.0K | 0.01% | −15−0.6% | Reduced |
| 55I, LLC | 2,540 | $584.0K | 0.01% | 00.0% | Unchanged |
| Boulder Hill Capital Management LP | 2,500 | $575.0K | 0.56% | +2,500 | New |
| Advisory Services Network, LLC | 2,342 | $539.0K | 0.02% | +10.0% | Added |
| Ameritas Investment Partners, Inc. | 2,102 | $484.0K | 0.02% | 00.0% | Unchanged |
| 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 |
| Spearhead Capital Advisors, LLC | 2,078 | $478.0K | 0.06% | +18+0.9% | Added |
| Polar Capital Holdings Plc | 2,075 | $477.0K | 0.00% | −926−30.9% | Reduced |
| US Bancorp | 2,053 | $472.0K | 0.00% | −81−3.8% | Reduced |
| Guggenheim Capital LLC | 2,004 | $461.0K | 0.00% | +2,004 | New |
| Rock Creek Group, LP | 2,066 | $457.0K | 0.07% | +2,066 | New |
| Wolverine Trading, LLC | 1,668 | $384.0K | 0.01% | +731+78.0% | Added |
| Pictet Asset Management SA | 1,654 | $381.0K | 0.00% | −205−11.0% | Reduced |
| Fifth Third Bancorp | 1,642 | $378.0K | 0.00% | +127+8.4% | Added |
| Mackenzie Financial Corp | 1,583 | $364.0K | 0.00% | −258−14.0% | Reduced |
| Canada Pension Plan Investment Board | 1,575 | $362.0K | 0.00% | +1,066+209.4% | Added |
| O'Shaughnessy Asset Management, LLC | 1,571 | $361.0K | 0.01% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 1,555 | $358.0K | 0.04% | +1,555 | New |
| Henshaw Capital LLC | 1,537 | $353.6K | 0.02% | 00.0% | Unchanged |
| Keybank National Association | 1,529 | $352.0K | 0.00% | −199−11.5% | Reduced |