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 2023
Institutional positions in Inspire Medical Systems, Inc. as of Dec 31, 2023. 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
- 343
- −17 vs. Q3 2023
- Shares held
- 31.0M
- +2.67M (+9.4%) vs. Q3 2023
- Total value
- $6.31B
- +$659.1M (+11.7%) vs. Q3 2023
- New holders
- 63
- 120 more added
- Sold out
- 80
- 121 more reduced
5 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Public Employees Retirement System of Ohio | 32,590 | $6.63M | 0.03% | +3,181+10.8% | Added |
| Teachers Retirement System of the State of Kentucky | 31,876 | $6.49M | 0.06% | +26,964+548.9% | Added |
| Next Century Growth Investors LLC | 31,336 | $6.37M | 0.62% | −16,519−34.5% | Reduced |
| Oak Ridge Investments LLC | 31,299 | $6.37M | 0.73% | −832−2.6% | Reduced |
| California State Teachers Retirement System | 30,906 | $6.29M | 0.01% | −1,291−4.0% | Reduced |
| Osterweis Capital Management Inc | 28,977 | $5.89M | 0.37% | +6,706+30.1% | Added |
| Legal & General Group Plc | 28,739 | $5.85M | 0.00% | −10,038−25.9% | Reduced |
| Sivik Global Healthcare LLC | 27,500 | $5.59M | 2.34% | +27,500 | New |
| Bullseye Asset Management LLC | 27,199 | $5.53M | 2.65% | +14,812+119.6% | Added |
| Axiom Investors LLC | 27,201 | $5.53M | 0.05% | +8,429+44.9% | Added |
| Wells Fargo & Company | 27,029 | $5.50M | 0.00% | −2,849−9.5% | Reduced |
| Envestnet Asset Management Inc | 26,890 | $5.47M | 0.00% | −3,172−10.6% | Reduced |
| Squarepoint Ops LLC | 26,539 | $5.40M | 0.02% | −29,573−52.7% | Reduced |
| Thornburg Investment Management Inc | 24,861 | $5.06M | 0.07% | −167−0.7% | Reduced |
| Baird Financial Group, Inc. | 24,689 | $5.02M | 0.01% | +8,137+49.2% | Added |
| Dimensional Fund Advisors LP | 22,683 | $4.61M | 0.00% | −13,072−36.6% | Reduced |
| New York State Common Retirement Fund | 21,900 | $4.46M | 0.01% | −4,927−18.4% | Reduced |
| HSBC Holdings PLC | 21,185 | $4.31M | 0.00% | +2,905+15.9% | Added |
| Whetstone Capital Advisors, LLC | 20,509 | $4.17M | 2.10% | +20,509 | New |
| Allianz Asset Management GmbH | 19,355 | $3.94M | 0.01% | +1,692+9.6% | Added |
| Optimas Capital Ltd | 18,979 | $3.86M | 3.64% | +18,979 | New |
| Algert Global LLC | 18,320 | $3.73M | 0.15% | −16,395−47.2% | Reduced |
| Advisor Group Holdings, Inc. | 18,128 | $3.69M | 0.01% | +30.0% | Added |
| Velan Capital Investment Management LP | 18,000 | $3.66M | 2.59% | +2,700+17.6% | Added |
| Rhenman & Partners Asset Management AB | 18,000 | $3.66M | 0.37% | +11,000+157.1% | Added |
| State of New Jersey Common Pension Fund D | 17,791 | $3.62M | 0.01% | +1,087+6.5% | Added |
| Congress Asset Management Co | 17,192 | $3.50M | 0.03% | +17,192 | New |
| Putnam Investments LLC | 16,811 | $3.42M | 0.00% | +4,373+35.2% | Added |
| Gilliland Jeter Wealth Management LLC | 16,563 | $3.37M | 1.39% | +16,563 | New |
| Russell Investments Group, Ltd. | 16,056 | $3.27M | 0.01% | +11,567+257.7% | Added |
| Miura Global Management, LLC | 15,000 | $3.05M | 1.71% | 00.0% | Unchanged |
| Archon Capital Management LLC | 15,000 | $3.05M | 1.26% | +15,000 | New |
| Nippon Life Global Investors Americas, Inc. | 14,600 | $2.97M | 0.17% | 00.0% | Unchanged |
| LMR Partners LLP | 14,579 | $2.97M | 0.07% | +12,341+551.4% | Added |
| Evolutionary Tree Capital Management, LLC | 14,439 | $2.94M | 3.24% | −2,230−13.4% | Reduced |
| Janus Henderson Group PLC | 13,602 | $2.77M | 0.00% | −21−0.2% | Reduced |
| PEAK6 Investments LLC | 13,577 | $2.76M | 0.12% | +771+6.0% | Added |
| Assenagon Asset Management S.A. | 13,149 | $2.67M | 0.01% | −23,820−64.4% | Reduced |
| Sirios Capital Management L P | 13,122 | $2.67M | 0.54% | +11,662+798.8% | Added |
| Millennium Management LLC | 12,959 | $2.64M | 0.00% | −306,744−95.9% | Reduced |
| Royal Bank of Canada | 12,885 | $2.62M | 0.00% | −18,177−58.5% | Reduced |
| Treasurer of the State of North Carolina | 12,750 | $2.59M | 0.01% | +120+1.0% | Added |
| Lisanti Capital Growth, LLC | 11,480 | $2.34M | 0.55% | +4,925+75.1% | Added |
| Manufacturers Life Insurance Company, The | 10,910 | $2.22M | 0.00% | +5,378+97.2% | Added |
| Principal Financial Group Inc | 10,177 | $2.07M | 0.00% | −73,406−87.8% | Reduced |
| Pura Vida Investments, LLC | 10,000 | $2.03M | 2.22% | −30,487−75.3% | Reduced |
| Prudential Financial Inc | 9,923 | $2.02M | 0.00% | +8,853+827.4% | Added |
| Stifel Financial Corp | 9,634 | $1.96M | 0.00% | −2,296−19.2% | Reduced |
| TD Asset Management Inc | 9,600 | $1.95M | 0.00% | +9,600 | New |
| Calamos Advisors LLC | 9,483 | $1.93M | 0.01% | +9,483 | New |
| Alliancebernstein L.P. | 9,467 | $1.93M | 0.00% | +384+4.2% | Added |
| LPL Financial LLC | 9,181 | $1.87M | 0.00% | −403−4.2% | Reduced |
| Oppenheimer Asset Management Inc. | 8,985 | $1.83M | 0.03% | +868+10.7% | Added |
| Beacon Investment Advisory Services, Inc. | 8,493 | $1.73M | 0.08% | −652−7.1% | Reduced |
| UBS Oconnor LLC | 8,485 | $1.73M | 0.05% | −4,086−32.5% | Reduced |
| Truist Financial Corp | 8,422 | $1.71M | 0.00% | −2,034−19.5% | Reduced |
| Bessemer Group Inc | 8,375 | $1.70M | 0.00% | +3,990+91.0% | Added |
| Arizona State Retirement System | 8,201 | $1.67M | 0.01% | −105−1.3% | Reduced |
| ABN AMRO Bank N.V. | 7,936 | $1.62M | 0.03% | −3,223−28.9% | Reduced |
| Commonwealth Equity Services, LLC | 7,685 | $1.56M | 0.00% | +432+6.0% | Added |
| The PNC Financial Services Group, Inc. | 7,502 | $1.53M | 0.00% | +4,844+182.2% | Added |
| DekaBank Deutsche Girozentrale | 7,500 | $1.51M | 0.00% | −22,320−74.8% | Reduced |
| Bridgewater Associates, LP | 7,005 | $1.43M | 0.01% | −28,196−80.1% | Reduced |
| Blair William & Co | 6,915 | $1.41M | 0.00% | +730+11.8% | Added |
| Natixis | 6,809 | $1.39M | 0.01% | −1,617−19.2% | Reduced |
| Azzad Asset Management Inc | 6,795 | $1.38M | 0.17% | +1,606+31.0% | Added |
| QRG Capital Management, Inc. | 6,539 | $1.33M | 0.02% | −682−9.4% | Reduced |
| Knights of Columbus Asset Advisors LLC | 6,536 | $1.33M | 0.09% | +3,318+103.1% | Added |
| Zacks Investment Management | 6,501 | $1.32M | 0.02% | −1,287−16.5% | Reduced |
| Qube Research & Technologies Ltd | 6,409 | $1.30M | 0.00% | −105,033−94.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,408 | $1.30M | 0.00% | +785+14.0% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 6,247 | $1.27M | 0.00% | +6,247 | New |
| Deutsche Bank AG | 5,923 | $1.20M | 0.00% | −39−0.7% | Reduced |
| Amalgamated Bank | 5,837 | $1.19M | 0.01% | −1,186−16.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 7,118 | $1.18M | 0.00% | +3,337+88.3% | Added |
| Guggenheim Capital LLC | 5,746 | $1.17M | 0.01% | +728+14.5% | Added |
| Handelsbanken Fonder AB | 5,700 | $1.16M | 0.01% | +200+3.6% | Added |
| Citigroup Inc | 5,637 | $1.15M | 0.00% | −2,121−27.3% | Reduced |
| Eisler Capital (UK) Ltd. | 5,604 | $1.14M | 0.10% | +5,604 | New |
| Valeo Financial Advisors, LLC | 5,591 | $1.14M | 0.05% | +1,119+25.0% | Added |
| EFG Asset Management (North America) Corp. | 5,444 | $1.11M | 0.21% | −2,119−28.0% | Reduced |
| Mariner, LLC | 5,151 | $1.05M | 0.00% | +938+22.3% | Added |
| Assetmark, Inc | 5,018 | $1.02M | 0.00% | +494+10.9% | Added |
| Teacher Retirement System of Texas | 5,010 | $1.02M | 0.01% | −3,213−39.1% | Reduced |
| Bokf, NA | 4,923 | $1.00M | 0.02% | −5,581−53.1% | Reduced |
| Advisors Asset Management, Inc. | 4,878 | $992.3K | 0.02% | +759+18.4% | Added |
| B. Metzler seel. Sohn & Co. AG | 4,864 | $989.5K | 0.01% | +378+8.4% | Added |
| MAI Capital Management | 4,730 | $962.1K | 0.01% | +20.0% | Added |
| Connable Office Inc | 4,633 | $942.5K | 0.11% | 00.0% | Unchanged |
| Apollon Wealth Management, LLC | 4,421 | $899.4K | 0.03% | −52−1.2% | Reduced |
| Diversified Trust Co | 4,321 | $879.0K | 0.03% | +1,387+47.3% | Added |
| Citadel Advisors LLC | 4,285 | $871.7K | 0.00% | −44,767−91.3% | Reduced |
| Qsemble Capital Management, LP | 4,253 | $865.2K | 0.22% | +105+2.5% | Added |
| Employees Retirement System of Texas | 4,142 | $843.0K | 0.01% | −86,858−95.4% | Reduced |
| Susquehanna International Group, LLP | 4,003 | $814.3K | 0.00% | −101,724−96.2% | Reduced |
| Xponance, Inc. | 3,869 | $787.1K | 0.01% | −227−5.5% | Reduced |
| Chartwell Investment Partners, LLC | 3,748 | $762.0K | 0.03% | −1,680−31.0% | Reduced |
| Public Employees Retirement Association of Colorado | 3,551 | $722.0K | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 3,382 | $688.0K | 0.00% | +533+18.7% | Added |
| Pictet Asset Management Holding SA | 3,363 | $684.1K | 0.00% | 00.0% | Unchanged |