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 |
|---|---|---|---|---|---|
| Silvant Capital Management LLC | 3,557 | $828.0K | 0.15% | −767−17.7% | Reduced |
| Citigroup Inc | 3,561 | $829.0K | 0.00% | +1,668+88.1% | Added |
| Gotham Asset Management, LLC | 3,683 | $858.0K | 0.03% | +3,683 | New |
| Hillsdale Investment Management Inc. | 4,000 | $932.0K | 0.07% | −800−16.7% | Reduced |
| Teacher Retirement System of Texas | 4,252 | $990.0K | 0.01% | +834+24.4% | Added |
| Valeo Financial Advisors, LLC | 4,404 | $1.03M | 0.06% | −3,003−40.5% | Reduced |
| CPWM, LLC | 4,692 | $1.09M | 0.10% | 00.0% | Unchanged |
| Amalgamated Bank | 4,786 | $1.11M | 0.01% | −293−5.8% | Reduced |
| Stifel Financial Corp | 5,043 | $1.18M | 0.00% | +189+3.9% | Added |
| Affinity Investment Advisors, LLC | 5,055 | $1.18M | 0.53% | −113−2.2% | Reduced |
| Weiss Multi-Strategy Advisers LLC | 5,062 | $1.18M | 0.03% | −144−2.8% | Reduced |
| BNP Paribas Arbitrage, SA | 5,389 | $1.25M | 0.00% | +3,521+188.5% | Added |
| Connable Office Inc | 5,581 | $1.30M | 0.19% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 5,652 | $1.32M | 0.03% | +5,652 | New |
| Handelsbanken Fonder AB | 5,700 | $1.33M | 0.01% | 00.0% | Unchanged |
| Chartwell Investment Partners, LLC | 5,828 | $1.36M | 0.04% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 5,848 | $1.36M | 0.01% | +12+0.2% | Added |
| ETF Managers Group, LLC | 6,311 | $1.41M | 0.03% | −10,529−62.5% | Reduced |
| Tudor Investment Corp Et Al | 6,126 | $1.43M | 0.03% | −10,118−62.3% | Reduced |
| Ensign Peak Advisors, Inc | 6,160 | $1.43M | 0.00% | +726+13.4% | Added |
| Los Angeles Capital Management LLC | 6,502 | $1.51M | 0.01% | 00.0% | Unchanged |
| Asset Management Corp | 6,700 | $1.56M | 0.98% | 00.0% | Unchanged |
| Algert Global LLC | 6,738 | $1.57M | 0.21% | +6,738 | New |
| Kornitzer Capital Management Inc | 6,785 | $1.58M | 0.02% | 00.0% | Unchanged |
| Blair William & Co | 7,026 | $1.64M | 0.01% | +499+7.6% | Added |
| Metropolitan Life Insurance Co | 7,075 | $1.65M | 0.02% | −237−3.2% | Reduced |
| Arizona State Retirement System | 7,413 | $1.73M | 0.01% | +39+0.5% | Added |
| First Republic Investment Management, Inc. | 8,179 | $1.91M | 0.00% | −1,827−18.3% | Reduced |
| SEI Investments Co | 8,557 | $1.98M | 0.00% | +4,593+115.9% | Added |
| Commonwealth Equity Services, LLC | 8,535 | $1.99M | 0.00% | +203+2.4% | Added |
| AtonRa Partners | 8,555 | $1.99M | 0.67% | +1,229+16.8% | Added |
| LPL Financial LLC | 9,037 | $2.10M | 0.00% | +1,933+27.2% | Added |
| MetLife Investment Management | 9,323 | $2.17M | 0.02% | −487−5.0% | Reduced |
| Baird Financial Group, Inc. | 9,507 | $2.21M | 0.01% | +1,880+24.6% | Added |
| Dimensional Fund Advisors LP | 9,608 | $2.24M | 0.00% | +67+0.7% | Added |
| EAM Investors, LLC | 9,993 | $2.33M | 0.39% | +9,993 | New |
| Integral Health Asset Management, LLC | 10,000 | $2.33M | 0.67% | +10,000 | New |
| HRT Financial LP | 10,038 | $2.34M | 0.01% | +6,016+149.6% | Added |
| State Board of Administration of Florida Retirement System | 10,040 | $2.34M | 0.00% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 10,443 | $2.35M | 0.00% | −7,529−41.9% | Reduced |
| Raymond James & Associates | 10,209 | $2.38M | 0.00% | −959−8.6% | Reduced |
| Truist Financial Corp | 10,385 | $2.42M | 0.00% | +2,677+34.7% | Added |
| Voya Investment Management LLC | 10,516 | $2.45M | 0.00% | −160−1.5% | Reduced |
| Natixis | 10,726 | $2.50M | 0.01% | −785−6.8% | Reduced |
| Principal Financial Group Inc | 11,282 | $2.63M | 0.00% | −147,818−92.9% | Reduced |
| Axiom Investors LLC | 12,293 | $2.86M | 0.05% | −1,589−11.4% | Reduced |
| Landscape Capital Management, L.L.C. | 12,393 | $2.89M | 0.40% | −1,833−12.9% | Reduced |
| First Trust Advisors LP | 12,406 | $2.89M | 0.00% | −11,408−47.9% | Reduced |
| Susquehanna International Group, LLP | 12,639 | $2.94M | 0.00% | +4,925+63.8% | Added |
| Jane Street Group, LLC | 12,858 | $2.99M | 0.01% | +6,244+94.4% | Added |
| Bullseye Asset Management LLC | 13,324 | $3.10M | 1.08% | −41−0.3% | Reduced |
| Manufacturers Life Insurance Company, The | 13,719 | $3.19M | 0.00% | −1,333−8.9% | Reduced |
| Advisor Group Holdings, Inc. | 13,782 | $3.21M | 0.01% | −2,892−17.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 13,817 | $3.22M | 0.00% | +10,500+316.6% | Added |
| UBS Group AG | 14,556 | $3.39M | 0.00% | −349−2.3% | Reduced |
| HSBC Holdings PLC | 14,609 | $3.41M | 0.00% | +9,084+164.4% | Added |
| Barclays PLC | 14,656 | $3.41M | 0.00% | +8,517+138.7% | Added |
| AQR Capital Management LLC | 14,680 | $3.42M | 0.01% | +148+1.0% | Added |
| American International Group, Inc. | 14,721 | $3.43M | 0.02% | −350−2.3% | Reduced |
| Envestnet Asset Management Inc | 15,414 | $3.59M | 0.00% | +3,017+24.3% | Added |
| State of New Jersey Common Pension Fund D | 16,845 | $3.92M | 0.01% | −53−0.3% | Reduced |
| Millennium Management LLC | 18,945 | $4.41M | 0.01% | −140,599−88.1% | Reduced |
| Susquehanna Fundamental Investments, LLC | 20,637 | $4.81M | 0.09% | +20,637 | New |
| Royal Bank of Canada | 20,982 | $4.89M | 0.00% | −1,204−5.4% | Reduced |
| Novo Holdings A/S | 21,300 | $4.96M | 0.26% | −24,851−53.8% | Reduced |
| Man Group plc | 21,385 | $4.98M | 0.02% | +1,307+6.5% | Added |
| Public Employees Retirement System of Ohio | 21,893 | $5.10M | 0.02% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 22,310 | $5.20M | 0.06% | +22,310 | New |
| Mutual of America Capital Management LLC | 22,771 | $5.30M | 0.05% | −328−1.4% | Reduced |
| Legal & General Group Plc | 23,908 | $5.57M | 0.00% | +6,412+36.6% | Added |
| PDT Partners, LLC | 24,100 | $5.61M | 0.40% | −1,931−7.4% | Reduced |
| Lazard Asset Management LLC | 24,937 | $5.81M | 0.01% | −2,038−7.6% | Reduced |
| Altium Capital Management LP | 26,000 | $6.05M | 1.62% | +5,345+25.9% | Added |
| Balyasny Asset Management LLC | 27,250 | $6.35M | 0.03% | −147,643−84.4% | Reduced |
| Russell Investments Group, Ltd. | 28,561 | $6.65M | 0.01% | −5,558−16.3% | Reduced |
| Rhumbline Advisers | 28,794 | $6.71M | 0.01% | +931+3.3% | Added |
| Lisanti Capital Growth, LLC | 29,725 | $6.92M | 1.02% | +29,725 | New |
| Soleus Capital Management, L.P. | 30,950 | $7.21M | 1.12% | +9,400+43.6% | Added |
| Cinctive Capital Management LP | 31,084 | $7.24M | 0.40% | +24,084+344.1% | Added |
| New York State Common Retirement Fund | 31,333 | $7.30M | 0.01% | −3,200−9.3% | Reduced |
| Bank of Montreal | 33,953 | $7.71M | 0.00% | +15,148+80.6% | Added |
| Alliancebernstein L.P. | 34,500 | $8.03M | 0.00% | −200−0.6% | Reduced |
| California State Teachers Retirement System | 36,821 | $8.57M | 0.01% | −242−0.7% | Reduced |
| Jackson Square Partners, LLC | 37,473 | $8.73M | 0.06% | +8,302+28.5% | Added |
| Calamos Advisors LLC | 37,727 | $8.79M | 0.04% | −2,703−6.7% | Reduced |
| STRS Ohio | 39,100 | $9.11M | 0.03% | +29,300+299.0% | Added |
| JPMorgan Chase & Co | 41,103 | $9.57M | 0.00% | −15,215−27.0% | Reduced |
| Parametric Portfolio Associates LLC | 41,379 | $9.64M | 0.01% | +9,008+27.8% | Added |
| Deutsche Bank AG | 44,934 | $10.5M | 0.00% | −9,551−17.5% | Reduced |
| Segall Bryant & Hamill, LLC | 45,064 | $10.5M | 0.10% | +1,198+2.7% | Added |
| State of Wisconsin Investment Board | 46,700 | $10.9M | 0.02% | +9,100+24.2% | Added |
| Bridgewater Associates, LP | 47,420 | $11.0M | 0.06% | −1,622−3.3% | Reduced |
| Cormorant Asset Management, LP | 48,132 | $11.2M | 0.46% | 00.0% | Unchanged |
| Sectoral Asset Management Inc | 51,650 | $12.0M | 1.00% | −15,600−23.2% | Reduced |
| California Public Employees Retirement System | 54,179 | $12.6M | 0.01% | −5,587−9.3% | Reduced |
| Assenagon Asset Management S.A. | 56,052 | $13.1M | 0.05% | +35,014+166.4% | Added |
| Polar Asset Management Partners Inc. | 59,404 | $13.8M | 0.16% | −13,700−18.7% | Reduced |
| Swiss National Bank | 60,100 | $14.0M | 0.01% | +300+0.5% | Added |
| Voloridge Investment Management, LLC | 63,968 | $14.9M | 0.10% | +44,301+225.3% | Added |
| Oak Ridge Investments LLC | 65,828 | $15.3M | 1.35% | −1,653−2.4% | Reduced |