Inspire Medical SystemsINSP
13F holders, Q2 2026 (June 30)275holders −26
62new positions
90sold out
7famous investors
$44.57avg. 13F price*
At the end of Q2 2026, 275 institutions reported holding Inspire Medical Systems Inc. (INSP) in their 13F filings, down 26 from Q1 2026. 62 opened new positions and 90 sold out. The largest holders were BlackRock, Inc. ($211.3M), Wellington Management Group LLP ($106.3M) and Vanguard Portfolio Management LLC ($93.2M). 7 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Inspire Medical Systems Inc.
- CUSIP
- 457730109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 62 | $104.2M |
| Exits | 90 | $241.2M |
All 13F filers, Q1 2026 → Q2 2026: 11,677,297 shares bought and 9,756,265 shares sold, net +1,921,032 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 275 holders
| BlackRock, Inc. | 0.00% | Add +33.5% | 4,737,519 | $211.3M |
| Wellington Management Group LLP | 0.02% | Reduce -6.0% | 2,382,660 | $106.3M |
| Vanguard Portfolio Management LLC | 0.00% | Add +27.6% | 2,088,961 | $93.2M |
| Soleus Capital Management, L.P. | 2.97% | Add +235.1% | 1,931,436 | $86.2M |
| AQR Capital Management | 0.03% | Add +501.6% | 1,856,800 | $80.9M |
| UBS Group AG | 0.01% | Add +157.5% | 1,645,511 | $73.4M |
| D. E. Shaw & Co. | 0.04% | Add +23.7% | 1,470,462 | $65.6M |
| Nomura Holdings Inc. | 0.26% | New | 1,369,410 | $61.1M |
| Deerfield Management Company, L.P. | 0.72% | Reduce -52.0% | 1,296,862 | $57.9M |
| Vanguard Capital Management LLC | 0.00% | Add +0.3% | 1,270,928 | $56.7M |
| State Street Corp. | 0.00% | Add +26.2% | 1,206,494 | $53.8M |
| Assenagon Asset Management S.A. | 0.05% | Add +66.2% | 864,395 | $38.6M |
| Morgan Stanley | 0.00% | Reduce -45.5% | 791,222 | $35.3M |
| Artisan Partners Limited Partnership | 0.05% | Reduce -6.2% | 732,323 | $32.7M |
| Geode Capital Management, LLC | 0.00% | Add +37.4% | 700,836 | $31.3M |
| Braidwell LP | 1.16% | No change | 677,570 | $30.2M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -2.7% | 645,858 | $28.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +21.7% | 546,020 | $24.4M |
| Citadel Advisors | 0.01% | Add +28.5% | 506,334 | $22.6M |
| SG Americas Securities, LLC | 0.01% | Add +367.6% | 491,703 | $21.9M |
| BNP Paribas Financial Markets | 0.01% | Add +33.9% | 428,069 | $19.1M |
| Renaissance Technologies | 0.03% | Reduce -9.4% | 426,000 | $19.0M |
| ADAR1 Capital Management, LLC | 0.79% | Reduce -7.5% | 374,617 | $16.7M |
| Aberdeen Group plc | 0.02% | Reduce -24.8% | 358,968 | $16.0M |
| Northern Trust Corp. | 0.00% | Add +69.5% | 334,039 | $14.9M |
| Barclays PLC | 0.00% | Add +354.3% | 307,270 | $13.7M |
| Federated Hermes, Inc. | 0.02% | Add +298944.0% | 272,130 | $12.1M |
| Nantahala Capital Management, LLC | 0.73% | New | 269,474 | $12.0M |
| FMR LLC | 0.00% | Add +605.2% | 267,871 | $11.9M |
| Bank of America Corp. | 0.00% | Add +33.7% | 248,802 | $11.1M |
| Walleye Capital LLC | 0.06% | Reduce -31.4% | 245,763 | $11.0M |
| Rock Springs Capital Management LP | 0.53% | Add +85.1% | 244,000 | $10.9M |
| Capital Fund Management S.A. | 0.07% | Add +101.7% | 219,873 | $9.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +14.6% | 210,091 | $9.4M |
| Norges Bank | 0.00% | — | 198,272 | $8.8M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +13.6% | 190,563 | $8.5M |
| Deutsche Bank AG | 0.00% | Reduce -65.7% | 176,200 | $7.9M |
| Tudor Investment Corporation | 0.03% | Add +1.1% | 169,095 | $7.5M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -7.5% | 167,733 | $7.5M |
| Canada Pension Plan Investment Board | 0.00% | Add +0.6% | 165,100 | $7.4M |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.1% | 148,627 | $6.6M |
| Bank of Nova Scotia | 0.01% | Add +141.6% | 144,964 | $6.5M |
| Quantinno Capital Management LP | 0.01% | Add +418.2% | 137,615 | $6.1M |
| Edgestream Partners, L.P. | 0.18% | Add +62.6% | 133,766 | $6.0M |
| Principal Financial Group Inc. | 0.00% | Add +1.1% | 128,175 | $5.7M |
| Alberta Investment Management Corp | 0.04% | New | 122,900 | $5.5M |
| Rheos Capital Works Inc. | 0.30% | No change | 117,400 | $5.2M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -50.6% | 115,907 | $5.2M |
| Invesco Ltd. | 0.00% | Add +6.1% | 110,285 | $4.9M |
| Victory Capital Management Inc. | 0.00% | Add +67.5% | 107,657 | $4.8M |
| Integral Health Asset Management, LLC | 0.18% | New | 100,000 | $4.5M |
| Millennium Management | 0.00% | Reduce -75.6% | 94,149 | $4.2M |
| Public Sector Pension Investment Board | 0.01% | Reduce -3.2% | 90,077 | $4.0M |
| Ameriprise Financial Inc. | 0.00% | Reduce -39.0% | 87,518 | $3.9M |
| Susquehanna Portfolio Strategies, LLC | 0.06% | Reduce -17.9% | 87,185 | $3.9M |
| Acadian Asset Management LLC | 0.00% | Reduce -61.2% | 81,263 | $3.6M |
| Pacer Advisors, Inc. | 0.01% | New | 80,472 | $3.6M |
| Citigroup Inc. | 0.00% | Add +146.1% | 77,780 | $3.5M |
| New York State Common Retirement Fund | 0.00% | Add +2.2% | 72,413 | $3.2M |
| Voleon Capital Management LP | 0.06% | Add +118.0% | 72,218 | $3.2M |
| Nuveen, LLC | 0.00% | Reduce -17.8% | 70,046 | $3.1M |
| Rhumbline Advisers | 0.00% | Reduce -5.5% | 64,202 | $2.9M |
| Legal & General Group Plc | 0.00% | Reduce -0.6% | 61,236 | $2.7M |
| Algert Global LLC | 0.03% | Add +14.5% | 60,517 | $2.7M |
| Corient Private Wealth LP | 0.00% | Add +993.8% | 57,535 | $2.6M |
| Y-Intercept (Hong Kong) Ltd | 0.05% | Reduce -64.8% | 55,681 | $2.5M |
| Susquehanna International Group, LLP | 0.00% | Reduce -74.7% | 53,198 | $2.4M |
| Bullseye Asset Management LLC | 1.18% | Add +2.2% | 52,230 | $2.3M |
| Swiss National Bank | 0.00% | Reduce -6.3% | 52,000 | $2.3M |
| Empowered Funds, LLC | 0.01% | Add +45.3% | 50,657 | $2.3M |
| LPL Financial LLC | 0.00% | Add +316.6% | 47,947 | $2.1M |
| Brown Capital Management LLC | 0.39% | Reduce -47.9% | 43,951 | $2.0M |
| JPMorgan Chase & Co. | 0.00% | Reduce -21.7% | 41,988 | $1.9M |
| Nordea Investment Management AB | 0.00% | Add +9.8% | 44,381 | $1.9M |
| Brevan Howard Capital Management LP | 0.03% | Add +690.9% | 43,158 | $1.9M |
| Alliancebernstein L.P. | 0.00% | Add +122.4% | 33,715 | $1.7M |
| WINTON GROUP Ltd | 0.05% | Add +790.8% | 37,412 | $1.7M |
| Creative Planning | 0.00% | Add +230.6% | 37,373 | $1.7M |
| Entropy Technologies, LP | 0.07% | New | 37,293 | $1.7M |
| Gotham Asset Management | 0.00% | Reduce -59.2% | 35,823 | $1.6M |
| First Trust Advisors LP | 0.00% | Reduce -52.2% | 34,238 | $1.5M |
| Jump Financial, LLC | 0.01% | Add +289.3% | 31,926 | $1.4M |
| Mariner, LLC | 0.00% | New | 30,190 | $1.3M |
| Wells Fargo & Company | 0.00% | Add +460.7% | 29,771 | $1.3M |
| Axq Capital, LP | 0.14% | Reduce -10.3% | 29,630 | $1.3M |
| California State Teachers Retirement System | 0.00% | Reduce -14.3% | 29,526 | $1.3M |
| Worldquant Millennium Advisors LLC | 0.00% | Reduce -62.3% | 28,359 | $1.3M |
| Prudential Financial Inc. | 0.00% | Add +16.9% | 27,720 | $1.2M |
| Franklin Resources Inc. | 0.00% | Reduce -35.9% | 27,693 | $1.2M |
| Raymond James Financial Inc. | 0.00% | New | 26,412 | $1.2M |
| Odyssean, LLC | 0.19% | New | 26,282 | $1.2M |
| Quantbot Technologies LP | 0.05% | New | 25,954 | $1.2M |
| ExodusPoint Capital Management, LP | 0.01% | New | 25,704 | $1.1M |
| New York State Teachers Retirement System | 0.00% | Add +8.3% | 25,559 | $1.1M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | No change | 25,473 | $1.1M |
| Mercer Global Advisors Inc. | 0.00% | Add +317.3% | 24,944 | $1.1M |
| Squarepoint Ops LLC | 0.00% | Reduce -63.7% | 24,259 | $1.1M |
| Lazard Asset Management LLC | 0.00% | Add +15.3% | 21,840 | $974K |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 21,621 | $965K |
| Vanguard Global Advisers, LLC | 0.00% | Add +102.6% | 21,530 | $960K |
"% of holder's portfolio" is INSP's weight in each manager's 13F, not the share of Inspire Medical Systems Inc. the manager owns.