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, Q3 2021
Institutional positions in Inspire Medical Systems, Inc. as of Sep 30, 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
- 254
- +7 vs. Q2 2021
- Shares held
- 25.4M
- +397.3K (+1.6%) vs. Q2 2021
- Total value
- $5.91B
- +$1.08B (+22.4%) vs. Q2 2021
- New holders
- 35
- 86 more added
- Sold out
- 28
- 98 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 2,505,605 | $583.5M | 0.01% | +4,672+0.2% | Added |
| BlackRock Inc. | 1,807,645 | $421.0M | 0.01% | −98,186−5.2% | Reduced |
| FMR LLC | 1,710,235 | $398.3M | 0.03% | −4,833−0.3% | Reduced |
| Fred Alger Management, LLC | 1,143,341 | $266.3M | 0.63% | +8,460+0.7% | Added |
| Franklin Resources Inc | 1,103,086 | $256.9M | 0.10% | +1,990+0.2% | Added |
| Macquarie Group Ltd | 1,072,771 | $249.8M | 0.21% | +762,866+246.2% | Added |
| Invesco Ltd. | 905,207 | $210.8M | 0.05% | +5,167+0.6% | Added |
| William Blair Investment Management, LLC | 895,976 | $208.7M | 0.59% | +134,501+17.7% | Added |
| Gilder Gagnon Howe & Co LLC | 797,252 | $185.7M | 0.96% | +21,286+2.7% | Added |
| Wasatch Advisors Inc | 727,142 | $169.3M | 0.69% | +73,275+11.2% | Added |
| Credit Suisse AG | 693,754 | $161.6M | 0.13% | −97,791−12.4% | Reduced |
| Champlain Investment Partners, LLC | 669,380 | $155.9M | 0.75% | +7,725+1.2% | Added |
| State Street Corp | 518,903 | $120.8M | 0.01% | −3,502−0.7% | Reduced |
| Geode Capital Management, LLC | 445,361 | $103.7M | 0.01% | −9,525−2.1% | Reduced |
| Wellington Management Group LLP | 444,525 | $103.5M | 0.02% | +444,525 | New |
| Bellevue Group AG | 421,058 | $98.1M | 1.00% | +47,832+12.8% | Added |
| Lord, Abbett & Co. LLC | 398,371 | $92.8M | 0.22% | +150,886+61.0% | Added |
| Bamco Inc | 390,175 | $90.9M | 0.21% | +8,140+2.1% | Added |
| Marshall Wace, LLP | 366,149 | $85.3M | 0.42% | −70,080−16.1% | Reduced |
| Federated Hermes, Inc. | 340,881 | $79.4M | 0.15% | +7,325+2.2% | Added |
| Northern Trust Corp | 326,810 | $76.1M | 0.01% | −7,113−2.1% | Reduced |
| Victory Capital Management Inc | 321,946 | $75.0M | 0.07% | −43,733−12.0% | Reduced |
| Marshall Wace North America L.P. | 320,657 | $74.7M | 0.32% | −134,406−29.5% | Reduced |
| D. E. Shaw & Co., Inc. | 314,046 | $73.1M | 0.09% | −30,497−8.9% | Reduced |
| Morgan Stanley | 269,849 | $62.8M | 0.01% | −53,953−16.7% | Reduced |
| Loomis Sayles & Co L P | 263,103 | $61.3M | 0.08% | −4,065−1.5% | Reduced |
| Frontier Capital Management Co LLC | 262,722 | $61.2M | 0.48% | +148,528+130.1% | Added |
| Price T Rowe Associates Inc | 230,463 | $53.7M | 0.01% | +147+0.1% | Added |
| Wells Fargo & Company | 230,170 | $53.6M | 0.01% | +17,310+8.1% | Added |
| Pura Vida Investments, LLC | 204,510 | $47.6M | 3.59% | +514+0.3% | Added |
| Driehaus Capital Management LLC | 199,344 | $46.4M | 0.55% | +69,360+53.4% | Added |
| Charles Schwab Investment Management Inc | 198,484 | $46.2M | 0.02% | +2,023+1.0% | Added |
| Norges Bank | 196,066 | $45.7M | 0.01% | −51,086−20.7% | Reduced |
| Eagle Asset Management Inc | 180,876 | $42.1M | 0.19% | −522−0.3% | Reduced |
| Artisan Partners Limited Partnership | 172,806 | $40.2M | 0.05% | −1,097−0.6% | Reduced |
| Mairs & Power Inc | 172,203 | $40.1M | 0.40% | −5,531−3.1% | Reduced |
| TimesSquare Capital Management, LLC | 164,975 | $38.4M | 0.34% | −46,000−21.8% | Reduced |
| Jennison Associates LLC | 158,445 | $36.9M | 0.02% | −21,487−11.9% | Reduced |
| Atika Capital Management LLC | 140,100 | $32.6M | 2.32% | −3,500−2.4% | Reduced |
| Goldman Sachs Group Inc | 137,887 | $32.1M | 0.01% | +12,772+10.2% | Added |
| Ameriprise Financial Inc | 131,238 | $30.6M | 0.01% | +68,825+110.3% | Added |
| Thrivent Financial for Lutherans | 127,973 | $29.8M | 0.06% | −2,483−1.9% | Reduced |
| Bank of New York Mellon Corp | 127,530 | $29.7M | 0.01% | +10,514+9.0% | Added |
| Granite Investment Partners, LLC | 125,345 | $29.2M | 0.91% | +9,346+8.1% | Added |
| Nuveen Asset Management, LLC | 118,583 | $27.6M | 0.01% | −11,329−8.7% | Reduced |
| Amundi | 115,108 | $26.8M | 0.02% | +27,175+30.9% | Added |
| Bank of America Corp | 114,118 | $26.6M | 0.00% | +23,603+26.1% | Added |
| Miura Global Management, LLC | 105,500 | $24.6M | 3.81% | −19,500−15.6% | Reduced |
| UBS Asset Management Americas Inc | 104,178 | $24.3M | 0.01% | −555−0.5% | Reduced |
| Point72 Asset Management, L.P. | 91,945 | $21.4M | 0.10% | −110,907−54.7% | Reduced |
| Citadel Advisors LLC | 90,861 | $21.2M | 0.02% | −198,533−68.6% | Reduced |
| Adage Capital Partners GP, L.L.C. | 80,000 | $18.6M | 0.04% | −110,000−57.9% | Reduced |
| Moore Capital Management, LP | 77,805 | $18.1M | 0.37% | +77,805 | New |
| Eagle Health Investments LP | 68,653 | $16.0M | 5.07% | +12,600+22.5% | Added |
| Oak Ridge Investments LLC | 65,828 | $15.3M | 1.35% | −1,653−2.4% | Reduced |
| Voloridge Investment Management, LLC | 63,968 | $14.9M | 0.10% | +44,301+225.3% | Added |
| Swiss National Bank | 60,100 | $14.0M | 0.01% | +300+0.5% | Added |
| Polar Asset Management Partners Inc. | 59,404 | $13.8M | 0.16% | −13,700−18.7% | Reduced |
| Assenagon Asset Management S.A. | 56,052 | $13.1M | 0.05% | +35,014+166.4% | Added |
| California Public Employees Retirement System | 54,179 | $12.6M | 0.01% | −5,587−9.3% | Reduced |
| Sectoral Asset Management Inc | 51,650 | $12.0M | 1.00% | −15,600−23.2% | Reduced |
| Cormorant Asset Management, LP | 48,132 | $11.2M | 0.46% | 00.0% | Unchanged |
| Bridgewater Associates, LP | 47,420 | $11.0M | 0.06% | −1,622−3.3% | Reduced |
| State of Wisconsin Investment Board | 46,700 | $10.9M | 0.02% | +9,100+24.2% | Added |
| Segall Bryant & Hamill, LLC | 45,064 | $10.5M | 0.10% | +1,198+2.7% | Added |
| Deutsche Bank AG | 44,934 | $10.5M | 0.00% | −9,551−17.5% | Reduced |
| Parametric Portfolio Associates LLC | 41,379 | $9.64M | 0.01% | +9,008+27.8% | Added |
| JPMorgan Chase & Co | 41,103 | $9.57M | 0.00% | −15,215−27.0% | Reduced |
| STRS Ohio | 39,100 | $9.11M | 0.03% | +29,300+299.0% | Added |
| Calamos Advisors LLC | 37,727 | $8.79M | 0.04% | −2,703−6.7% | Reduced |
| Jackson Square Partners, LLC | 37,473 | $8.73M | 0.06% | +8,302+28.5% | Added |
| California State Teachers Retirement System | 36,821 | $8.57M | 0.01% | −242−0.7% | Reduced |
| Alliancebernstein L.P. | 34,500 | $8.03M | 0.00% | −200−0.6% | Reduced |
| Bank of Montreal | 33,953 | $7.71M | 0.00% | +15,148+80.6% | Added |
| New York State Common Retirement Fund | 31,333 | $7.30M | 0.01% | −3,200−9.3% | Reduced |
| Cinctive Capital Management LP | 31,084 | $7.24M | 0.40% | +24,084+344.1% | Added |
| Soleus Capital Management, L.P. | 30,950 | $7.21M | 1.12% | +9,400+43.6% | Added |
| Lisanti Capital Growth, LLC | 29,725 | $6.92M | 1.02% | +29,725 | New |
| Rhumbline Advisers | 28,794 | $6.71M | 0.01% | +931+3.3% | Added |
| Russell Investments Group, Ltd. | 28,561 | $6.65M | 0.01% | −5,558−16.3% | Reduced |
| Balyasny Asset Management LLC | 27,250 | $6.35M | 0.03% | −147,643−84.4% | Reduced |
| Altium Capital Management LP | 26,000 | $6.05M | 1.62% | +5,345+25.9% | Added |
| Lazard Asset Management LLC | 24,937 | $5.81M | 0.01% | −2,038−7.6% | Reduced |
| PDT Partners, LLC | 24,100 | $5.61M | 0.40% | −1,931−7.4% | Reduced |
| Legal & General Group Plc | 23,908 | $5.57M | 0.00% | +6,412+36.6% | Added |
| Mutual of America Capital Management LLC | 22,771 | $5.30M | 0.05% | −328−1.4% | Reduced |
| Schonfeld Strategic Advisors LLC | 22,310 | $5.20M | 0.06% | +22,310 | New |
| Public Employees Retirement System of Ohio | 21,893 | $5.10M | 0.02% | 00.0% | Unchanged |
| Man Group plc | 21,385 | $4.98M | 0.02% | +1,307+6.5% | Added |
| Novo Holdings A/S | 21,300 | $4.96M | 0.26% | −24,851−53.8% | Reduced |
| Royal Bank of Canada | 20,982 | $4.89M | 0.00% | −1,204−5.4% | Reduced |
| Susquehanna Fundamental Investments, LLC | 20,637 | $4.81M | 0.09% | +20,637 | New |
| Millennium Management LLC | 18,945 | $4.41M | 0.01% | −140,599−88.1% | Reduced |
| State of New Jersey Common Pension Fund D | 16,845 | $3.92M | 0.01% | −53−0.3% | Reduced |
| Envestnet Asset Management Inc | 15,414 | $3.59M | 0.00% | +3,017+24.3% | Added |
| American International Group, Inc. | 14,721 | $3.43M | 0.02% | −350−2.3% | Reduced |
| AQR Capital Management LLC | 14,680 | $3.42M | 0.01% | +148+1.0% | Added |
| Barclays PLC | 14,656 | $3.41M | 0.00% | +8,517+138.7% | Added |
| HSBC Holdings PLC | 14,609 | $3.41M | 0.00% | +9,084+164.4% | Added |
| UBS Group AG | 14,556 | $3.39M | 0.00% | −349−2.3% | Reduced |