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 2023
Institutional positions in Inspire Medical Systems, Inc. as of Mar 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
- 374
- +37 vs. Q4 2022
- Shares held
- 28.7M
- +538.1K (+1.9%) vs. Q4 2022
- Total value
- $6.68B
- −$419.3M (−5.9%) vs. Q4 2022
- New holders
- 64
- 156 more added
- Sold out
- 27
- 101 more reduced
3 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Two Sigma Investments, LP | 6,500 | $1.52M | 0.00% | −400−5.8% | Reduced |
| LPL Financial LLC | 6,612 | $1.55M | 0.00% | +548+9.0% | Added |
| Commonwealth Equity Services, LLC | 6,774 | $1.58M | 0.00% | +36+0.5% | Added |
| Graham Capital Management, L.P. | 6,814 | $1.59M | 0.06% | +10+0.1% | Added |
| Valeo Financial Advisors, LLC | 6,875 | $1.61M | 0.08% | +56+0.8% | Added |
| Silvant Capital Management LLC | 7,000 | $1.64M | 0.11% | 00.0% | Unchanged |
| Blair William & Co | 7,203 | $1.69M | 0.01% | +21+0.3% | Added |
| EFG Asset Management (North America) Corp. | 8,003 | $1.87M | 0.41% | −1,856−18.8% | Reduced |
| State Board of Administration of Florida Retirement System | 8,144 | $1.91M | 0.00% | −540−6.2% | Reduced |
| Arizona State Retirement System | 8,371 | $1.96M | 0.02% | +249+3.1% | Added |
| Los Angeles Capital Management LLC | 8,416 | $1.97M | 0.01% | +1,862+28.4% | Added |
| AQR Capital Management LLC | 8,442 | $1.98M | 0.00% | +745+9.7% | Added |
| Prentiss Smith & Co Inc | 8,521 | $1.99M | 1.48% | −187−2.1% | Reduced |
| Zacks Investment Management | 8,736 | $2.04M | 0.03% | +2,839+48.1% | Added |
| Truist Financial Corp | 8,770 | $2.05M | 0.00% | −1,502−14.6% | Reduced |
| Bokf, NA | 9,765 | $2.29M | 0.05% | −825−7.8% | Reduced |
| UBS Oconnor LLC | 9,765 | $2.29M | 0.05% | +9,765 | New |
| Natixis | 9,820 | $2.30M | 0.02% | −6,721−40.6% | Reduced |
| Walleye Capital LLC | 9,919 | $2.32M | 0.05% | −12,922−56.6% | Reduced |
| Teacher Retirement System of Texas | 10,916 | $2.56M | 0.02% | +3,137+40.3% | Added |
| Putnam Investments LLC | 11,261 | $2.64M | 0.00% | −1,942−14.7% | Reduced |
| Moore Capital Management, LP | 11,291 | $2.64M | 0.08% | −8,709−43.5% | Reduced |
| Manufacturers Life Insurance Company, The | 11,484 | $2.69M | 0.00% | +68+0.6% | Added |
| Lisanti Capital Growth, LLC | 11,878 | $2.78M | 0.39% | −49,126−80.5% | Reduced |
| Arrowstreet Capital, Limited Partnership | 11,890 | $2.78M | 0.00% | −11,581−49.3% | Reduced |
| Altium Capital Management LP | 12,500 | $2.93M | 1.75% | +12,500 | New |
| Mirae Asset Global Investments Co., Ltd. | 13,044 | $3.05M | 0.01% | +309+2.4% | Added |
| Bullseye Asset Management LLC | 13,187 | $3.09M | 1.57% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 13,239 | $3.10M | 0.01% | +414+3.2% | Added |
| Advisor Group Holdings, Inc. | 13,311 | $3.12M | 0.01% | −1,648−11.0% | Reduced |
| Janus Henderson Group PLC | 13,634 | $3.19M | 0.00% | +7,737+131.2% | Added |
| American International Group, Inc. | 13,803 | $3.23M | 0.02% | +450+3.4% | Added |
| Kopp Family Office, LLC | 14,235 | $3.33M | 1.80% | +7,258+104.0% | Added |
| Evolutionary Tree Capital Management, LLC | 14,280 | $3.34M | 4.63% | −13,667−48.9% | Reduced |
| Quantbot Technologies LP | 14,384 | $3.37M | 0.24% | +6,084+73.3% | Added |
| MetLife Investment Management | 14,993 | $3.51M | 0.03% | +193+1.3% | Added |
| PDT Partners, LLC | 15,228 | $3.56M | 0.48% | −2,625−14.7% | Reduced |
| Voloridge Investment Management, LLC | 15,318 | $3.59M | 0.02% | +14,239+1,319.6% | Added |
| Raymond James & Associates | 15,338 | $3.59M | 0.00% | +648+4.4% | Added |
| Soleus Capital Management, L.P. | 15,600 | $3.65M | 0.45% | −30,600−66.2% | Reduced |
| Royal Bank of Canada | 16,231 | $3.80M | 0.00% | −1,614−9.0% | Reduced |
| Royce & Associates LP | 16,488 | $3.86M | 0.04% | +4,000+32.0% | Added |
| State of New Jersey Common Pension Fund D | 16,704 | $3.91M | 0.01% | −462−2.7% | Reduced |
| Algert Global LLC | 16,790 | $3.93M | 0.19% | +4,943+41.7% | Added |
| Calamos Advisors LLC | 17,259 | $4.04M | 0.02% | +2,094+13.8% | Added |
| Tri Locum Partners LP | 17,523 | $4.10M | 1.25% | +17,523 | New |
| Public Employees Retirement System of Ohio | 17,974 | $4.21M | 0.02% | +773+4.5% | Added |
| Mutual of America Capital Management LLC | 18,119 | $4.24M | 0.05% | −834−4.4% | Reduced |
| ABN AMRO Bank N.V. | 18,150 | $4.26M | 0.10% | +18,150 | New |
| Allianz Asset Management GmbH | 19,027 | $4.45M | 0.01% | −88−0.5% | Reduced |
| Envestnet Asset Management Inc | 231,421 | $4.59M | 0.00% | +212,406+1,117.0% | Added |
| Wells Fargo & Company | 19,708 | $4.61M | 0.00% | +5,799+41.7% | Added |
| Engineers Gate Manager LP | 19,743 | $4.62M | 0.19% | +11,480+138.9% | Added |
| Neuberger Berman Group LLC | 20,370 | $4.77M | 0.00% | +1,139+5.9% | Added |
| Hillsdale Investment Management Inc. | 20,425 | $4.78M | 0.41% | +18,025+751.0% | Added |
| HSBC Holdings PLC | 20,899 | $4.89M | 0.01% | +158+0.8% | Added |
| Trexquant Investment LP | 22,462 | $5.26M | 0.14% | −5,736−20.3% | Reduced |
| First Trust Advisors LP | 22,760 | $5.33M | 0.01% | +16,537+265.7% | Added |
| Dynamic Technology Lab Private Ltd | 23,320 | $5.46M | 0.50% | +18,500+383.8% | Added |
| Miura Global Management, LLC | 24,000 | $5.62M | 3.27% | −6,000−20.0% | Reduced |
| Deutsche Bank AG | 24,895 | $5.83M | 0.00% | −12,742−33.9% | Reduced |
| M&G Investment Management Ltd | 26,369 | $6.17M | 0.04% | +12,691+92.8% | Added |
| Sectoral Asset Management Inc | 27,500 | $6.44M | 1.24% | +9,300+51.1% | Added |
| Jump Financial, LLC | 28,195 | $6.60M | 0.27% | +6,707+31.2% | Added |
| Susquehanna International Group, LLP | 29,100 | $6.81M | 0.01% | +17,017+140.8% | Added |
| Susquehanna Fundamental Investments, LLC | 29,754 | $6.96M | 0.16% | 00.0% | Unchanged |
| Barclays PLC | 29,860 | $6.99M | 0.01% | +19,729+194.7% | Added |
| Dimensional Fund Advisors LP | 29,905 | $7.00M | 0.00% | +7,064+30.9% | Added |
| Jacobs Levy Equity Management, Inc | 30,608 | $7.16M | 0.04% | −45,330−59.7% | Reduced |
| Next Century Growth Investors LLC | 30,875 | $7.23M | 0.80% | −6,795−18.0% | Reduced |
| Oak Ridge Investments LLC | 32,380 | $7.58M | 1.03% | −765−2.3% | Reduced |
| STRS Ohio | 33,200 | $7.77M | 0.03% | +1,100+3.4% | Added |
| Thornburg Investment Management Inc | 33,496 | $7.84M | 0.13% | +33,496 | New |
| Legal & General Group Plc | 34,587 | $8.10M | 0.00% | +1,733+5.3% | Added |
| Alliancebernstein L.P. | 34,715 | $8.13M | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 34,756 | $8.14M | 0.01% | −16,534−32.2% | Reduced |
| Osterweis Capital Management Inc | 35,125 | $8.22M | 0.56% | +3,125+9.8% | Added |
| Axiom Investors LLC | 35,127 | $8.22M | 0.14% | −3,565−9.2% | Reduced |
| Bridgewater Associates, LP | 35,159 | $8.23M | 0.05% | +1,531+4.6% | Added |
| Russell Investments Group, Ltd. | 35,161 | $8.23M | 0.02% | −5,169−12.8% | Reduced |
| Squarepoint Ops LLC | 35,819 | $8.38M | 0.06% | +2,401+7.2% | Added |
| California State Teachers Retirement System | 36,023 | $8.43M | 0.01% | −290−0.8% | Reduced |
| Prudential Financial Inc | 36,282 | $8.49M | 0.01% | +22,067+155.2% | Added |
| Canada Pension Plan Investment Board | 36,900 | $8.64M | 0.01% | −4,280−10.4% | Reduced |
| Lazard Asset Management LLC | 37,784 | $8.84M | 0.01% | +473+1.3% | Added |
| BNP Paribas Arbitrage, SA | 38,364 | $8.98M | 0.02% | +33,782+737.3% | Added |
| Segall Bryant & Hamill, LLC | 38,528 | $9.02M | 0.10% | +481+1.3% | Added |
| Rhenman & Partners Asset Management AB | 38,392 | $9.14M | 1.00% | −22,608−37.1% | Reduced |
| Castleark Management LLC | 39,450 | $9.23M | 0.45% | 00.0% | Unchanged |
| Rhumbline Advisers | 39,977 | $9.36M | 0.01% | +1,577+4.1% | Added |
| State of Wisconsin Investment Board | 40,054 | $9.38M | 0.03% | +5,967+17.5% | Added |
| Assenagon Asset Management S.A. | 41,066 | $9.61M | 0.04% | −298,563−87.9% | Reduced |
| Ensign Peak Advisors, Inc | 42,154 | $9.87M | 0.02% | +25,690+156.0% | Added |
| California Public Employees Retirement System | 45,552 | $10.7M | 0.01% | −9,590−17.4% | Reduced |
| Man Group plc | – | $11.1M | 0.04% | – | – |
| UBS Group AG | 48,287 | $11.3M | 0.01% | +7,656+18.8% | Added |
| Kornitzer Capital Management Inc | 50,160 | $11.7M | 0.23% | 00.0% | Unchanged |
| Novo Holdings A/S | 60,000 | $14.0M | 1.00% | −3,304−5.2% | Reduced |
| Swiss National Bank | 62,300 | $14.6M | 0.01% | −7,200−10.4% | Reduced |
| Iron Triangle Partners LP | 70,000 | $16.4M | 2.36% | −10,000−12.5% | Reduced |