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 2025
Institutional positions in Inspire Medical Systems, Inc. as of Mar 31, 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
- 363
- +8 vs. Q4 2024
- Shares held
- 34.3M
- +1.02M (+3.1%) vs. Q4 2024
- Total value
- $5.46B
- −$717.1M (−11.6%) vs. Q4 2024
- New holders
- 58
- 141 more added
- Sold out
- 50
- 113 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Arizona State Retirement System | 8,596 | $1.37M | 0.01% | −59−0.7% | Reduced |
| Amalgamated Bank | 9,442 | $1.50M | 0.01% | −265−2.7% | Reduced |
| Canada Pension Plan Investment Board | 9,500 | $1.51M | 0.00% | +9,500 | New |
| Massmutual Trust Co FSB | 9,699 | $1.54M | 0.04% | −540−5.3% | Reduced |
| Dark Forest Capital Management LP | 9,887 | $1.57M | 0.07% | +8,448+587.1% | Added |
| Maryland State Retirement & Pension System | 9,975 | $1.59M | 0.04% | −1,822−15.4% | Reduced |
| Handelsbanken Fonder AB | 10,000 | $1.59M | 0.01% | +1,600+19.0% | Added |
| LPL Financial LLC | 10,126 | $1.61M | 0.00% | +315+3.2% | Added |
| AIA Group Ltd | 10,412 | $1.66M | 0.04% | −1,354−11.5% | Reduced |
| State of New Jersey Common Pension Fund D | 10,682 | $1.70M | 0.01% | −1,242−10.4% | Reduced |
| Exchange Traded Concepts, LLC | 10,706 | $1.71M | 0.03% | +10,203+2,028.4% | Added |
| Danske Bank A/S | 10,712 | $1.71M | 0.01% | +959+9.8% | Added |
| Police & Firemen's Retirement System of New Jersey | 10,735 | $1.71M | 0.02% | +240+2.3% | Added |
| Alliancebernstein L.P. | 10,921 | $1.74M | 0.00% | +30.0% | Added |
| Azzad Asset Management Inc | 10,976 | $1.75M | 0.21% | +10,976 | New |
| Ensign Peak Advisors, Inc | 11,200 | $1.78M | 0.00% | −1,147−9.3% | Reduced |
| Yousif Capital Management, LLC | 11,238 | $1.79M | 0.02% | −342−3.0% | Reduced |
| Gilliland Jeter Wealth Management LLC | 12,708 | $2.02M | 0.72% | −15−0.1% | Reduced |
| Clearbridge Investments, LLC | 13,048 | $2.08M | 0.00% | −3,301−20.2% | Reduced |
| Treasurer of the State of North Carolina | 13,404 | $2.13M | 0.01% | +520+4.0% | Added |
| Zacks Investment Management | 13,664 | $2.18M | 0.02% | +1,007+8.0% | Added |
| Louisiana State Employees Retirement System | 14,000 | $2.23M | 0.04% | −500−3.4% | Reduced |
| Agf Management Ltd | 14,526 | $2.31M | 0.01% | +1,720+13.4% | Added |
| Nebula Research & Development LLC | 14,554 | $2.32M | 0.21% | +11,596+392.0% | Added |
| D. E. Shaw & Co., Inc. | 14,595 | $2.32M | 0.00% | +6,842+88.2% | Added |
| TownSquare Capital, LLC | 14,750 | $2.35M | 0.03% | +14,750 | New |
| State of Tennessee, Treasury Department | 14,779 | $2.35M | 0.01% | +550+3.9% | Added |
| Advisor Group Holdings, Inc. | 14,838 | $2.36M | 0.01% | −163−1.1% | Reduced |
| Oppenheimer Asset Management Inc. | 15,206 | $2.42M | 0.03% | +2,179+16.7% | Added |
| Marshall Wace, LLP | 15,328 | $2.44M | 0.00% | −261,803−94.5% | Reduced |
| Centiva Capital, LP | 15,616 | $2.49M | 0.14% | +4,276+37.7% | Added |
| Rhenman & Partners Asset Management AB | 16,000 | $2.55M | 0.29% | −134,041−89.3% | Reduced |
| Millennium Management LLC | 16,246 | $2.59M | 0.00% | +11,195+221.6% | Added |
| Wells Fargo & Company | 16,348 | $2.60M | 0.00% | −2,665−14.0% | Reduced |
| State of Alaska, Department of Revenue | 16,440 | $2.62M | 0.03% | −591−3.5% | Reduced |
| PDT Partners, LLC | 18,044 | $2.87M | 0.20% | +20.0% | Added |
| American Century Companies Inc | 18,432 | $2.94M | 0.00% | +7,218+64.4% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 18,535 | $2.95M | 0.01% | +18,535 | New |
| B. Metzler seel. Sohn & Co. AG | 18,687 | $2.98M | 0.03% | +5,262+39.2% | Added |
| Cetera Investment Advisers | 18,951 | $3.02M | 0.01% | +2,231+13.3% | Added |
| Fieldview Capital Management, LLC | 19,876 | $3.17M | 0.45% | +19,876 | New |
| Monimus Capital Management, LP | 20,093 | $3.20M | 2.72% | −7,411−26.9% | Reduced |
| New York State Teachers Retirement System | 21,390 | $3.41M | 0.01% | +12,196+132.7% | Added |
| Russell Investments Group, Ltd. | 22,841 | $3.64M | 0.00% | +4,715+26.0% | Added |
| Thornburg Investment Management Inc | 22,904 | $3.65M | 0.05% | −1,965−7.9% | Reduced |
| Nippon Life Global Investors Americas, Inc. | 23,380 | $3.72M | 0.18% | 00.0% | Unchanged |
| Citigroup Inc | 23,784 | $3.79M | 0.00% | +4,488+23.3% | Added |
| Comerica Bank | 23,873 | $3.80M | 0.02% | −1,286−5.1% | Reduced |
| Great West Life Assurance Co | 25,583 | $4.08M | 0.01% | −3,236−11.2% | Reduced |
| Oak Ridge Investments LLC | 26,090 | $4.16M | 0.35% | +1,186+4.8% | Added |
| California State Teachers Retirement System | 27,554 | $4.39M | 0.01% | −311−1.1% | Reduced |
| LMCG Investments, LLC | 27,840 | $4.43M | 0.29% | +972+3.6% | Added |
| Barclays PLC | 28,686 | $4.57M | 0.00% | +311+1.1% | Added |
| Prudential Financial Inc | 27,886 | $4.81M | 0.01% | −854−3.0% | Reduced |
| Schroder Investment Management Group | 30,562 | $4.87M | 0.00% | +30,562 | New |
| State Board of Administration of Florida Retirement System | 31,110 | $4.96M | 0.01% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 31,298 | $4.99M | 0.01% | +2,907+10.2% | Added |
| Royal Bank of Canada | 32,769 | $5.22M | 0.00% | +4,528+16.0% | Added |
| Osterweis Capital Management Inc | 33,143 | $5.28M | 0.26% | +33,143 | New |
| Intech Investment Management LLC | 34,094 | $5.43M | 0.06% | +21,297+166.4% | Added |
| Envestnet Asset Management Inc | 34,151 | $5.44M | 0.00% | +8,484+33.1% | Added |
| Congress Wealth Management LLC | 34,384 | $5.48M | 0.07% | +34,384 | New |
| Bullseye Asset Management LLC | 36,128 | $5.75M | 3.11% | 00.0% | Unchanged |
| Beck Bode, LLC | 36,520 | $5.82M | 1.08% | +1,809+5.2% | Added |
| California Public Employees Retirement System | 38,532 | $6.14M | 0.00% | −36−0.1% | Reduced |
| Soleus Capital Management, L.P. | 39,000 | $6.21M | 0.49% | +39,000 | New |
| Kopp Family Office, LLC | 41,041 | $6.54M | 4.52% | 00.0% | Unchanged |
| Trexquant Investment LP | 41,576 | $6.62M | 0.08% | +7,705+22.7% | Added |
| Teachers Retirement System of the State of Kentucky | 44,995 | $7.17M | 0.06% | −2,893−6.0% | Reduced |
| Two Sigma Investments, LP | 46,169 | $7.35M | 0.02% | +29,785+181.8% | Added |
| Public Employees Retirement System of Ohio | 47,300 | $7.53M | 0.03% | +12,122+34.5% | Added |
| Capital Fund Management S.A. | 47,642 | $7.59M | 0.10% | −33,342−41.2% | Reduced |
| Impax Asset Management Group plc | 50,000 | $7.96M | 0.05% | 00.0% | Unchanged |
| Kornitzer Capital Management Inc | 50,240 | $8.00M | 0.16% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 51,422 | $8.19M | 0.00% | +18,857+57.9% | Added |
| Rheos Capital Works Inc. | 52,400 | $8.35M | 0.68% | 00.0% | Unchanged |
| M&G Plc | 52,909 | $8.41M | 0.04% | +3,205+6.4% | Added |
| ExodusPoint Capital Management, LP | 54,877 | $8.74M | 0.12% | −97,783−64.1% | Reduced |
| Lazard Asset Management LLC | 55,569 | $8.85M | 0.01% | −8,713−13.6% | Reduced |
| Price T Rowe Associates Inc | 56,414 | $8.99M | 0.00% | −1,518−2.6% | Reduced |
| Fred Alger Management, LLC | 57,419 | $9.15M | 0.05% | −5,706−9.0% | Reduced |
| Swiss National Bank | 58,100 | $9.25M | 0.01% | −500−0.9% | Reduced |
| BNP Paribas Arbitrage, SA | 59,650 | $9.50M | 0.01% | +51,659+646.5% | Added |
| Algert Global LLC | 59,820 | $9.53M | 0.24% | +16,808+39.1% | Added |
| Citadel Advisors LLC | 60,286 | $9.60M | 0.01% | +7,865+15.0% | Added |
| Integral Health Asset Management, LLC | 65,000 | $10.4M | 1.15% | −35,000−35.0% | Reduced |
| First Trust Advisors LP | 65,385 | $10.4M | 0.01% | −36,229−35.7% | Reduced |
| Jennison Associates LLC | 66,602 | $10.6M | 0.01% | +19,016+40.0% | Added |
| Credit Agricole S A | 67,177 | $10.7M | 0.04% | −50,899−43.1% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 67,478 | $10.7M | 0.03% | −5,874−8.0% | Reduced |
| State of Wisconsin Investment Board | 67,811 | $10.8M | 0.03% | +2,123+3.2% | Added |
| Mairs & Power Inc | 70,776 | $11.3M | 0.12% | +6,105+9.4% | Added |
| Rhumbline Advisers | 71,535 | $11.4M | 0.01% | −2,115−2.9% | Reduced |
| Driehaus Capital Management LLC | 71,745 | $11.4M | 0.11% | +71,745 | New |
| WCM Investment Management, LLC | 72,860 | $11.5M | 0.03% | +17,125+30.7% | Added |
| Bridgewater Associates, LP | 72,851 | $11.6M | 0.05% | +69,689+2,204.0% | Added |
| Tri Locum Partners LP | 78,812 | $12.6M | 6.44% | −71,976−47.7% | Reduced |
| Victory Capital Management Inc | 78,937 | $12.6M | 0.01% | +1,468+1.9% | Added |
| Eagle Health Investments LP | 81,121 | $12.9M | 3.36% | −55,482−40.6% | Reduced |
| Caisse de Depot Et Placement du Quebec | 85,167 | $13.6M | 0.03% | +81,184+2,038.3% | Added |