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, Q2 2025
Institutional positions in Inspire Medical Systems, Inc. as of Jun 30, 2025. 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
- 356
- −4 vs. Q1 2025
- Shares held
- 33.8M
- −415.0K (−1.2%) vs. Q1 2025
- Total value
- $4.39B
- −$1.06B (−19.4%) vs. Q1 2025
- New holders
- 48
- 131 more added
- Sold out
- 52
- 140 more reduced
3 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Baird Financial Group, Inc. | 28,773 | $3.73M | 0.01% | −2,525−8.1% | Reduced |
| Schroder Investment Management Group | 28,692 | $3.72M | 0.00% | −1,870−6.1% | Reduced |
| California State Teachers Retirement System | 27,554 | $3.58M | 0.00% | 00.0% | Unchanged |
| Monimus Capital Management, LP | 26,375 | $3.42M | 2.75% | +6,282+31.3% | Added |
| Oak Ridge Investments LLC | 26,353 | $3.42M | 0.25% | +263+1.0% | Added |
| B. Metzler seel. Sohn & Co. AG | 25,762 | $3.34M | 0.03% | +7,075+37.9% | Added |
| LMCG Investments, LLC | 25,659 | $3.33M | 0.21% | −2,181−7.8% | Reduced |
| Great West Life Assurance Co | 24,497 | $3.18M | 0.01% | −1,086−4.2% | Reduced |
| Algert Global LLC | 22,177 | $2.88M | 0.06% | −37,643−62.9% | Reduced |
| Brevan Howard Capital Management LP | 21,551 | $2.80M | 0.03% | +17,688+457.9% | Added |
| New York State Teachers Retirement System | 21,490 | $2.79M | 0.01% | +100+0.5% | Added |
| Thornburg Investment Management Inc | 20,928 | $2.72M | 0.03% | −1,976−8.6% | Reduced |
| Centiva Capital, LP | 19,554 | $2.54M | 0.17% | +3,938+25.2% | Added |
| Two Sigma Investments, LP | 19,350 | $2.51M | 0.00% | −26,819−58.1% | Reduced |
| Susquehanna International Group, LLP | 18,029 | $2.34M | 0.00% | +9,522+111.9% | Added |
| State of Alaska, Department of Revenue | 17,556 | $2.28M | 0.02% | +1,116+6.8% | Added |
| Point72 Hong Kong Ltd | 17,450 | $2.26M | 0.16% | +17,450 | New |
| Cetera Investment Advisers | 17,003 | $2.21M | 0.00% | −1,948−10.3% | Reduced |
| State of Tennessee, Treasury Department | 16,445 | $2.13M | 0.01% | +1,666+11.3% | Added |
| Verition Fund Management LLC | 16,434 | $2.13M | 0.01% | +9,920+152.3% | Added |
| Dark Forest Capital Management LP | 16,403 | $2.13M | 0.09% | +6,516+65.9% | Added |
| Marshall Wace, LLP | 15,905 | $2.06M | 0.00% | +577+3.8% | Added |
| Y-Intercept (Hong Kong) Ltd | 15,166 | $1.97M | 0.05% | +15,166 | New |
| Oppenheimer Asset Management Inc. | 15,161 | $1.97M | 0.02% | −45−0.3% | Reduced |
| Hussman Strategic Advisors, Inc. | 14,700 | $1.91M | 0.44% | +14,700 | New |
| Advisor Group Holdings, Inc. | 14,277 | $1.85M | 0.00% | −561−3.8% | Reduced |
| D. E. Shaw & Co., Inc. | 14,222 | $1.85M | 0.00% | −373−2.6% | Reduced |
| AXA S.A. | 14,109 | $1.83M | 0.01% | +14,109 | New |
| Fieldview Capital Management, LLC | 14,005 | $1.82M | 0.27% | −5,871−29.5% | Reduced |
| Louisiana State Employees Retirement System | 13,800 | $1.79M | 0.03% | −200−1.4% | Reduced |
| Zacks Investment Management | 13,621 | $1.77M | 0.02% | −43−0.3% | Reduced |
| Nebula Research & Development LLC | 13,522 | $1.75M | 0.15% | −1,032−7.1% | Reduced |
| Treasurer of the State of North Carolina | 13,366 | $1.74M | 0.01% | −38−0.3% | Reduced |
| State of New Jersey Common Pension Fund D | 12,905 | $1.67M | 0.01% | +2,223+20.8% | Added |
| Royal Bank of Canada | 12,729 | $1.65M | 0.00% | −20,040−61.2% | Reduced |
| Nordea Investment Management AB | 12,624 | $1.63M | 0.00% | +12,624 | New |
| Wells Fargo & Company | 12,260 | $1.59M | 0.00% | −4,088−25.0% | Reduced |
| Barclays PLC | 11,993 | $1.56M | 0.00% | −16,693−58.2% | Reduced |
| Granite Investment Partners, LLC | 11,785 | $1.53M | 0.07% | −92,331−88.7% | Reduced |
| Gilliland Jeter Wealth Management LLC | 11,708 | $1.52M | 0.49% | −1,000−7.9% | Reduced |
| LPL Financial LLC | 11,477 | $1.49M | 0.00% | +1,351+13.3% | Added |
| Yousif Capital Management, LLC | 11,268 | $1.46M | 0.02% | +30+0.3% | Added |
| Police & Firemen's Retirement System of New Jersey | 11,189 | $1.45M | 0.01% | +454+4.2% | Added |
| Exchange Traded Concepts, LLC | 11,177 | $1.45M | 0.02% | +471+4.4% | Added |
| Clearbridge Investments, LLC | 11,087 | $1.44M | 0.00% | −1,961−15.0% | Reduced |
| Azzad Asset Management Inc | 10,951 | $1.42M | 0.15% | −25−0.2% | Reduced |
| EFG Asset Management (North America) Corp. | 10,747 | $1.39M | 0.20% | +10,747 | New |
| Versor Investments LP | 10,671 | $1.38M | 0.24% | +10,671 | New |
| Canada Pension Plan Investment Board | 10,400 | $1.35M | 0.00% | +900+9.5% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 10,320 | $1.34M | 0.00% | +10,320 | New |
| Maryland State Retirement & Pension System | 10,037 | $1.30M | 0.03% | +62+0.6% | Added |
| Sivik Global Healthcare LLC | 10,000 | $1.30M | 0.58% | +10,000 | New |
| Jackson Creek Investment Advisors LLC | 9,618 | $1.25M | 0.34% | +1,157+13.7% | Added |
| Amalgamated Bank | 9,567 | $1.24M | 0.01% | +125+1.3% | Added |
| UBS Oconnor LLC | 9,522 | $1.24M | 0.03% | +1,522+19.0% | Added |
| Ensign Peak Advisors, Inc | 9,477 | $1.23M | 0.00% | −1,723−15.4% | Reduced |
| Danske Bank A/S | 8,858 | $1.15M | 0.00% | −1,854−17.3% | Reduced |
| Arizona State Retirement System | 8,685 | $1.13M | 0.01% | +89+1.0% | Added |
| Citadel Advisors LLC | 8,675 | $1.13M | 0.00% | −51,611−85.6% | Reduced |
| Employees Retirement System of Texas | 8,580 | $1.11M | 0.01% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 8,572 | $1.11M | 0.00% | +201+2.4% | Added |
| Quadrature Capital Ltd | 8,462 | $1.10M | 0.02% | +3,582+73.4% | Added |
| Winton Group Ltd | 8,089 | $1.05M | 0.05% | +1,457+22.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,031 | $1.04M | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 7,962 | $1.03M | 0.00% | +7,962 | New |
| Handelsbanken Fonder AB | 7,900 | $1.02M | 0.00% | −2,100−21.0% | Reduced |
| Massmutual Trust Co FSB | 7,864 | $1.02M | 0.03% | −1,835−18.9% | Reduced |
| Stifel Financial Corp | 7,759 | $1.01M | 0.00% | +1,462+23.2% | Added |
| AIA Group Ltd | 7,742 | $1.00M | 0.02% | −2,670−25.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 7,572 | $982.6K | 0.01% | +472+6.6% | Added |
| Commonwealth Equity Services, LLC | 7,423 | $963.0K | 0.00% | −888−10.7% | Reduced |
| Jump Financial, LLC | 7,175 | $931.1K | 0.01% | +7,175 | New |
| Deutsche Bank AG | 7,106 | $922.1K | 0.00% | +285+4.2% | Added |
| Virginia Retirement Systems Et Al | 7,094 | $920.6K | 0.01% | +1,200+20.4% | Added |
| Bessemer Group Inc | 7,030 | $912.0K | 0.00% | −153−2.1% | Reduced |
| Illinois Municipal Retirement Fund | 7,024 | $911.5K | 0.01% | +3,385+93.0% | Added |
| XTX Topco Ltd | 6,989 | $907.0K | 0.04% | +4,732+209.7% | Added |
| Oak Associates, Ltd | 6,785 | $880.5K | 0.06% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 6,772 | $878.8K | 0.02% | −31−0.5% | Reduced |
| MML Investors Services, LLC | 6,665 | $865.0K | 0.00% | −1,283−16.1% | Reduced |
| Alliancebernstein L.P. | 6,427 | $834.0K | 0.00% | −4,494−41.2% | Reduced |
| KLP Kapitalforvaltning AS | 6,300 | $817.6K | 0.00% | +600+10.5% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 6,207 | $805.5K | 0.00% | −12,328−66.5% | Reduced |
| ABN AMRO Bank N.V. | 6,019 | $784.4K | 0.01% | −709−10.5% | Reduced |
| Jupiter Asset Management Ltd | 5,974 | $775.2K | 0.01% | +4,533+314.6% | Added |
| Northwest & Ethical Investments L.P. | 5,940 | $770.8K | 0.02% | +216+3.8% | Added |
| Fox Hill Wealth Management | 5,845 | $758.5K | 0.39% | +1,122+23.8% | Added |
| Manufacturers Life Insurance Company, The | 5,762 | $747.7K | 0.00% | −1,059−15.5% | Reduced |
| Campbell & CO Investment Adviser LLC | 5,588 | $725.2K | 0.05% | +3,836+218.9% | Added |
| Bank of Montreal | 5,507 | $714.6K | 0.00% | −34−0.6% | Reduced |
| Janney Montgomery Scott LLC | 5,316 | $690.0K | 0.00% | +984+22.7% | Added |
| First Trust Advisors LP | 5,210 | $676.1K | 0.00% | −60,175−92.0% | Reduced |
| Landscape Capital Management, L.L.C. | 4,983 | $646.6K | 0.05% | −2,676−34.9% | Reduced |
| Lisanti Capital Growth, LLC | 4,810 | $624.2K | 0.17% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 4,689 | $609.1K | 0.00% | +210+4.7% | Added |
| Diversified Trust Co | 4,673 | $606.4K | 0.01% | −5−0.1% | Reduced |
| Connable Office Inc | 4,633 | $601.2K | 0.06% | 00.0% | Unchanged |
| Blair William & Co | 4,631 | $601.0K | 0.00% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 4,570 | $593.0K | 0.08% | +1,592+53.5% | Added |
| Sherbrooke Park Advisers LLC | 4,550 | $590.5K | 0.26% | +4,550 | New |