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 2026
Institutional positions in Inspire Medical Systems, Inc. as of Jun 30, 2026. 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
- 275
- −22 vs. Q1 2026
- Shares held
- 37.0M
- +2.14M (+6.2%) vs. Q1 2026
- Total value
- $1.65B
- −$149.3M (−8.3%) vs. Q1 2026
- New holders
- 68
- 98 more added
- Sold out
- 90
- 76 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Brevan Howard Capital Management LP | 43,158 | $1.93M | 0.03% | +37,701+690.9% | Added |
| Nordea Investment Management AB | 44,381 | $1.93M | 0.00% | +3,961+9.8% | Added |
| JPMorgan Chase & Co | 41,988 | $1.94M | 0.00% | −11,627−21.7% | Reduced |
| Brown Capital Management LLC | 43,951 | $1.96M | 0.39% | −40,417−47.9% | Reduced |
| LPL Financial LLC | 47,947 | $2.14M | 0.00% | +36,438+316.6% | Added |
| Empowered Funds, LLC | 50,657 | $2.26M | 0.01% | +15,781+45.2% | Added |
| Swiss National Bank | 52,000 | $2.32M | 0.00% | −3,500−6.3% | Reduced |
| Bullseye Asset Management LLC | 52,230 | $2.33M | 1.18% | +1,102+2.2% | Added |
| Susquehanna International Group, LLP | 53,198 | $2.37M | 0.00% | −157,375−74.7% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 55,681 | $2.48M | 0.05% | −102,593−64.8% | Reduced |
| CI Private Wealth, LLC | 57,535 | $2.57M | 0.00% | +52,275+993.8% | Added |
| Algert Global LLC | 60,517 | $2.70M | 0.03% | +7,657+14.5% | Added |
| Legal & General Group Plc | 61,236 | $2.73M | 0.00% | −347−0.6% | Reduced |
| Rhumbline Advisers | 64,202 | $2.86M | 0.00% | −3,705−5.5% | Reduced |
| Nuveen, LLC | 70,046 | $3.12M | 0.00% | −15,123−17.8% | Reduced |
| Voleon Capital Management LP | 72,218 | $3.22M | 0.06% | +39,096+118.0% | Added |
| New York State Common Retirement Fund | 72,413 | $3.23M | 0.00% | +1,528+2.2% | Added |
| Citigroup Inc | 77,780 | $3.47M | 0.00% | +46,174+146.1% | Added |
| Pacer Advisors, Inc. | 80,472 | $3.59M | 0.01% | +80,472 | New |
| Acadian Asset Management LLC | 81,263 | $3.62M | 0.00% | −128,223−61.2% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 87,185 | $3.89M | 0.06% | −18,972−17.9% | Reduced |
| Ameriprise Financial Inc | 87,518 | $3.90M | 0.00% | −55,933−39.0% | Reduced |
| Public Sector Pension Investment Board | 90,077 | $4.02M | 0.01% | −3,009−3.2% | Reduced |
| Millennium Management LLC | 94,149 | $4.20M | 0.00% | −291,997−75.6% | Reduced |
| Integral Health Asset Management, LLC | 100,000 | $4.46M | 0.18% | +100,000 | New |
| Victory Capital Management Inc | 107,657 | $4.80M | 0.00% | +43,397+67.5% | Added |
| Invesco Ltd. | 110,285 | $4.92M | 0.00% | +6,312+6.1% | Added |
| Dimensional Fund Advisors LP | 115,907 | $5.17M | 0.00% | −118,763−50.6% | Reduced |
| Rheos Capital Works Inc. | 117,400 | $5.24M | 0.30% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 122,900 | $5.48M | 0.03% | +122,900 | New |
| Principal Financial Group Inc | 128,175 | $5.72M | 0.00% | +1,387+1.1% | Added |
| Edgestream Partners, L.P. | 133,766 | $5.97M | 0.18% | +51,498+62.6% | Added |
| Quantinno Capital Management LP | 137,615 | $6.14M | 0.01% | +111,060+418.2% | Added |
| Bank of Nova Scotia | 144,964 | $6.47M | 0.01% | +84,964+141.6% | Added |
| Bank of New York Mellon Corp | 148,627 | $6.63M | 0.00% | −137−0.1% | Reduced |
| Canada Pension Plan Investment Board | 165,100 | $7.37M | 0.00% | +1,000+0.6% | Added |
| Price T Rowe Associates Inc | 167,733 | $7.48M | 0.00% | −13,580−7.5% | Reduced |
| Tudor Investment Corp Et Al | 169,095 | $7.54M | 0.03% | +1,877+1.1% | Added |
| Deutsche Bank AG | 176,200 | $7.86M | 0.00% | −336,975−65.7% | Reduced |
| Vanguard Fiduciary Trust Co | 190,563 | $8.50M | 0.00% | +22,863+13.6% | Added |
| Norges Bank | 198,272 | $8.84M | 0.00% | +198,272 | New |
| Charles Schwab Investment Management Inc | 210,091 | $9.37M | 0.00% | +26,740+14.6% | Added |
| Capital Fund Management S.A. | 219,873 | $9.81M | 0.07% | +110,858+101.7% | Added |
| Rock Springs Capital Management LP | 244,000 | $10.9M | 0.53% | +112,200+85.1% | Added |
| Walleye Capital LLC | 245,763 | $11.0M | 0.05% | −112,726−31.4% | Reduced |
| Bank of America Corp | 248,802 | $11.1M | 0.00% | +62,733+33.7% | Added |
| FMR LLC | 267,871 | $11.9M | 0.00% | +229,887+605.2% | Added |
| Nantahala Capital Management, LLC | 269,474 | $12.0M | 0.73% | +269,474 | New |
| Federated Hermes, Inc. | 272,130 | $12.1M | 0.02% | +272,039+298,944.0% | Added |
| Barclays PLC | 307,270 | $13.7M | 0.00% | +239,629+354.3% | Added |
| Northern Trust Corp | 334,039 | $14.9M | 0.00% | +137,006+69.5% | Added |
| Standard Life Aberdeen plc | 358,968 | $16.0M | 0.02% | −118,508−24.8% | Reduced |
| ADAR1 Capital Management, LLC | 374,617 | $16.7M | 0.79% | −30,580−7.5% | Reduced |
| Renaissance Technologies LLC | 426,000 | $19.0M | 0.03% | −43,968−9.4% | Reduced |
| BNP Paribas Arbitrage, SA | 428,069 | $19.1M | 0.01% | +108,311+33.9% | Added |
| SG Americas Securities, LLC | 491,703 | $21.9M | 0.01% | +386,556+367.6% | Added |
| Citadel Advisors LLC | 506,334 | $22.6M | 0.01% | +112,258+28.5% | Added |
| UBS Asset Management Americas Inc | 546,020 | $24.4M | 0.00% | +97,233+21.7% | Added |
| Goldman Sachs Group Inc | 645,858 | $28.8M | 0.00% | −18,145−2.7% | Reduced |
| Braidwell LP | 677,570 | $30.2M | 1.12% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 700,836 | $31.3M | 0.00% | +190,602+37.4% | Added |
| Artisan Partners Limited Partnership | 732,323 | $32.7M | 0.05% | −48,252−6.2% | Reduced |
| Morgan Stanley | 791,222 | $35.3M | 0.00% | −659,412−45.5% | Reduced |
| Assenagon Asset Management S.A. | 864,395 | $38.6M | 0.05% | +344,221+66.2% | Added |
| State Street Corp | 1,206,494 | $53.8M | 0.00% | +250,483+26.2% | Added |
| Vanguard Capital Management LLC | 1,270,928 | $56.7M | 0.00% | +4,190+0.3% | Added |
| Deerfield Management Company, L.P. (Series C) | 1,296,862 | $57.9M | 0.60% | −1,406,376−52.0% | Reduced |
| Nomura Holdings Inc | 1,369,410 | $61.1M | 0.26% | +1,369,410 | New |
| D. E. Shaw & Co., Inc. | 1,470,462 | $65.6M | 0.04% | +281,925+23.7% | Added |
| UBS Group AG | 1,645,511 | $73.4M | 0.01% | +1,006,583+157.5% | Added |
| AQR Capital Management LLC | 1,856,800 | $80.9M | 0.03% | +1,548,138+501.6% | Added |
| Soleus Capital Management, L.P. | 1,931,436 | $86.2M | 2.97% | +1,355,137+235.1% | Added |
| Vanguard Portfolio Management LLC | 2,088,961 | $93.2M | 0.00% | +451,788+27.6% | Added |
| Wellington Management Group LLP | 2,382,660 | $106.3M | 0.02% | −153,294−6.0% | Reduced |
| BlackRock, Inc. | 4,737,519 | $211.3M | 0.00% | +1,187,965+33.5% | Added |
| William Blair Investment Management, LLC | 0 | $0 | 0.00% | −1,137,384−100.0% | Sold out |
| Vestal Point Capital, LP | 0 | $0 | 0.00% | −539,269−100.0% | Sold out |
| Ra Capital Management, L.P. | 0 | $0 | 0.00% | −325,663−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −306,423−100.0% | Sold out |
| Bamco Inc | 0 | $0 | 0.00% | −298,470−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −173,533−100.0% | Sold out |
| Champlain Investment Partners, LLC | 0 | $0 | 0.00% | −158,989−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −151,856−100.0% | Sold out |
| Longaeva Partners L.P. | 0 | $0 | 0.00% | −138,761−100.0% | Sold out |
| Wasatch Advisors Inc | 0 | $0 | 0.00% | −138,603−100.0% | Sold out |
| VGI Partners Ltd | 0 | $0 | 0.00% | −135,767−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −121,490−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −100,207−100.0% | Sold out |
| Bellevue Group AG | 0 | $0 | 0.00% | −99,735−100.0% | Sold out |
| Riverbridge Partners LLC | 0 | $0 | 0.00% | −92,494−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −85,096−100.0% | Sold out |
| Glenmede Trust Co NA | 0 | $0 | 0.00% | −81,495−100.0% | Sold out |
| Nomura Asset Management International Inc. | 0 | $0 | 0.00% | −67,280−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −66,184−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −54,488−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −32,483−100.0% | Sold out |
| Zacks Investment Management | 0 | $0 | 0.00% | −30,021−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −29,567−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −26,566−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −17,607−100.0% | Sold out |