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 |
|---|---|---|---|---|---|
| Arrowstreet Capital, Limited Partnership | 13,817 | $3.22M | 0.00% | +10,500+316.6% | Added |
| Advisor Group Holdings, Inc. | 13,782 | $3.21M | 0.01% | −2,892−17.3% | Reduced |
| Manufacturers Life Insurance Company, The | 13,719 | $3.19M | 0.00% | −1,333−8.9% | Reduced |
| Bullseye Asset Management LLC | 13,324 | $3.10M | 1.08% | −41−0.3% | Reduced |
| Jane Street Group, LLC | 12,858 | $2.99M | 0.01% | +6,244+94.4% | Added |
| Susquehanna International Group, LLP | 12,639 | $2.94M | 0.00% | +4,925+63.8% | Added |
| First Trust Advisors LP | 12,406 | $2.89M | 0.00% | −11,408−47.9% | Reduced |
| Landscape Capital Management, L.L.C. | 12,393 | $2.89M | 0.40% | −1,833−12.9% | Reduced |
| Axiom Investors LLC | 12,293 | $2.86M | 0.05% | −1,589−11.4% | Reduced |
| Principal Financial Group Inc | 11,282 | $2.63M | 0.00% | −147,818−92.9% | Reduced |
| Natixis | 10,726 | $2.50M | 0.01% | −785−6.8% | Reduced |
| Voya Investment Management LLC | 10,516 | $2.45M | 0.00% | −160−1.5% | Reduced |
| Truist Financial Corp | 10,385 | $2.42M | 0.00% | +2,677+34.7% | Added |
| Raymond James & Associates | 10,209 | $2.38M | 0.00% | −959−8.6% | Reduced |
| Neuberger Berman Group LLC | 10,443 | $2.35M | 0.00% | −7,529−41.9% | Reduced |
| State Board of Administration of Florida Retirement System | 10,040 | $2.34M | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 10,038 | $2.34M | 0.01% | +6,016+149.6% | Added |
| Integral Health Asset Management, LLC | 10,000 | $2.33M | 0.67% | +10,000 | New |
| EAM Investors, LLC | 9,993 | $2.33M | 0.39% | +9,993 | New |
| Dimensional Fund Advisors LP | 9,608 | $2.24M | 0.00% | +67+0.7% | Added |
| Baird Financial Group, Inc. | 9,507 | $2.21M | 0.01% | +1,880+24.6% | Added |
| MetLife Investment Management | 9,323 | $2.17M | 0.02% | −487−5.0% | Reduced |
| LPL Financial LLC | 9,037 | $2.10M | 0.00% | +1,933+27.2% | Added |
| AtonRa Partners | 8,555 | $1.99M | 0.67% | +1,229+16.8% | Added |
| Commonwealth Equity Services, LLC | 8,535 | $1.99M | 0.00% | +203+2.4% | Added |
| SEI Investments Co | 8,557 | $1.98M | 0.00% | +4,593+115.9% | Added |
| First Republic Investment Management, Inc. | 8,179 | $1.91M | 0.00% | −1,827−18.3% | Reduced |
| Arizona State Retirement System | 7,413 | $1.73M | 0.01% | +39+0.5% | Added |
| Metropolitan Life Insurance Co | 7,075 | $1.65M | 0.02% | −237−3.2% | Reduced |
| Blair William & Co | 7,026 | $1.64M | 0.01% | +499+7.6% | Added |
| Kornitzer Capital Management Inc | 6,785 | $1.58M | 0.02% | 00.0% | Unchanged |
| Algert Global LLC | 6,738 | $1.57M | 0.21% | +6,738 | New |
| Asset Management Corp | 6,700 | $1.56M | 0.98% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 6,502 | $1.51M | 0.01% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 6,160 | $1.43M | 0.00% | +726+13.4% | Added |
| Tudor Investment Corp Et Al | 6,126 | $1.43M | 0.03% | −10,118−62.3% | Reduced |
| ETF Managers Group, LLC | 6,311 | $1.41M | 0.03% | −10,529−62.5% | Reduced |
| SG Americas Securities, LLC | 5,848 | $1.36M | 0.01% | +12+0.2% | Added |
| Chartwell Investment Partners, LLC | 5,828 | $1.36M | 0.04% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 5,700 | $1.33M | 0.01% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 5,652 | $1.32M | 0.03% | +5,652 | New |
| Connable Office Inc | 5,581 | $1.30M | 0.19% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 5,389 | $1.25M | 0.00% | +3,521+188.5% | Added |
| Weiss Multi-Strategy Advisers LLC | 5,062 | $1.18M | 0.03% | −144−2.8% | Reduced |
| Affinity Investment Advisors, LLC | 5,055 | $1.18M | 0.53% | −113−2.2% | Reduced |
| Stifel Financial Corp | 5,043 | $1.18M | 0.00% | +189+3.9% | Added |
| Amalgamated Bank | 4,786 | $1.11M | 0.01% | −293−5.8% | Reduced |
| CPWM, LLC | 4,692 | $1.09M | 0.10% | 00.0% | Unchanged |
| Valeo Financial Advisors, LLC | 4,404 | $1.03M | 0.06% | −3,003−40.5% | Reduced |
| Teacher Retirement System of Texas | 4,252 | $990.0K | 0.01% | +834+24.4% | Added |
| Hillsdale Investment Management Inc. | 4,000 | $932.0K | 0.07% | −800−16.7% | Reduced |
| Gotham Asset Management, LLC | 3,683 | $858.0K | 0.03% | +3,683 | New |
| Citigroup Inc | 3,561 | $829.0K | 0.00% | +1,668+88.1% | Added |
| Silvant Capital Management LLC | 3,557 | $828.0K | 0.15% | −767−17.7% | Reduced |
| Public Employees Retirement Association of Colorado | 3,551 | $827.0K | 0.00% | 00.0% | Unchanged |
| Lebenthal Global Advisors, LLC | 3,540 | $824.0K | 0.52% | +400+12.7% | Added |
| Cna Financial Corp | 3,528 | $822.0K | 0.22% | 00.0% | Unchanged |
| Diversified Trust Co | 3,480 | $810.0K | 0.03% | +400+13.0% | Added |
| ProShare Advisors LLC | 3,447 | $803.0K | 0.00% | −3,530−50.6% | Reduced |
| Occudo Quantitative Strategies LP | 3,321 | $773.0K | 0.09% | −130−3.8% | Reduced |
| Blueshift Asset Management, LLC | 3,235 | $753.0K | 0.04% | +3,235 | New |
| Avantax Planning Partners, Inc. | 3,143 | $732.0K | 0.03% | +5+0.2% | Added |
| Polar Capital Holdings Plc | 3,001 | $699.0K | 0.00% | −2,510−45.5% | Reduced |
| Prudential Financial Inc | 2,767 | $690.0K | 0.00% | +111+4.2% | Added |
| Ziegler Capital Management, LLC | 2,957 | $689.0K | 0.02% | 00.0% | Unchanged |
| First Hawaiian Bank | 2,850 | $664.0K | 0.03% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 2,766 | $644.0K | 0.01% | −11,697−80.9% | Reduced |
| Janus Henderson Group PLC | 2,737 | $638.0K | 0.00% | +2,737 | New |
| Pathstone Family Office, LLC | 2,727 | $635.0K | 0.02% | +160+6.2% | Added |
| Oppenheimer Asset Management Inc. | 2,687 | $625.0K | 0.01% | +107+4.1% | Added |
| 55I, LLC | 2,540 | $592.0K | 0.02% | +2,540 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,538 | $591.0K | 0.00% | 00.0% | Unchanged |
| Virginia Retirement Systems Et Al | 2,400 | $559.0K | 0.01% | +600+33.3% | Added |
| Advisory Services Network, LLC | 2,341 | $545.0K | 0.02% | −40−1.7% | Reduced |
| Squarepoint Ops LLC | 2,137 | $498.0K | 0.00% | −14,302−87.0% | Reduced |
| US Bancorp | 2,134 | $497.0K | 0.00% | −53−2.4% | Reduced |
| Ameritas Investment Partners, Inc. | 2,102 | $490.0K | 0.02% | −27−1.3% | Reduced |
| Prospera Financial Services Inc | 2,100 | $489.0K | 0.02% | 00.0% | Unchanged |
| Spearhead Capital Advisors, LLC | 2,060 | $480.0K | 0.06% | −10−0.5% | Reduced |
| Qube Research & Technologies Ltd | 1,887 | $439.0K | 0.01% | −1,655−46.7% | Reduced |
| Walleye Capital LLC | 1,864 | $434.0K | 0.01% | +1,864 | New |
| Pictet Asset Management SA | 1,859 | $433.0K | 0.00% | +1,859 | New |
| Mackenzie Financial Corp | 1,841 | $429.0K | 0.00% | +627+51.6% | Added |
| Engineers Gate Manager LP | 1,773 | $413.0K | 0.02% | −11,020−86.1% | Reduced |
| Keybank National Association | 1,728 | $402.0K | 0.00% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 1,571 | $367.0K | 0.01% | −117−6.9% | Reduced |
| Henshaw Capital LLC | 1,537 | $357.9K | 0.02% | +1,537 | New |
| Fifth Third Bancorp | 1,515 | $353.0K | 0.00% | +1,515 | New |
| Great West Life Assurance Co | 1,446 | $339.0K | 0.00% | −108−6.9% | Reduced |
| Pinnacle Wealth Management Group, Inc. | 1,450 | $338.0K | 0.25% | 00.0% | Unchanged |
| Xponance, Inc. | 1,422 | $331.0K | 0.01% | −217−13.2% | Reduced |
| Campbell & CO Investment Adviser LLC | 1,400 | $326.0K | 0.11% | +1,400 | New |
| Raymond James Financial Services Advisors, Inc. | 1,309 | $305.0K | 0.00% | +33+2.6% | Added |
| Northeast Financial Consultants Inc | 1,300 | $303.0K | 0.02% | 00.0% | Unchanged |
| Creative Planning | 1,270 | $296.0K | 0.00% | −100−7.3% | Reduced |
| Leonteq Securities AG | 1,174 | $273.4K | 0.01% | +41+3.6% | Added |
| Traynor Capital Management, Inc. | 1,110 | $258.0K | 0.04% | 00.0% | Unchanged |
| CIBC Asset Management Inc | 1,096 | $255.0K | 0.00% | +1,096 | New |
| Walleye Trading LLC | 1,079 | $251.0K | 0.01% | −2,157−66.7% | Reduced |
| Nisa Investment Advisors, LLC | 1,050 | $245.0K | 0.00% | 00.0% | Unchanged |