Filing Flows › Inspire Medical Systems (INSP) › Who owns the stock
Who owns Inspire Medical Systems (INSP) stock
266 funds reported Inspire Medical Systems (INSP) shares in their latest 13F filings, worth $1.9B in all. The largest holder is Vanguard Group ($272M). Last quarter 146 funds added to their stakes and 146 cut them.
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| Vanguard Group | 2,953,170 | $272M | decrease | 2025-12-31 |
| BlackRock | 4,737,519 | $211M | increase | 2026-06-30 |
| Wellington Management Group LLP | 2,382,660 | $106M | decrease | 2026-06-30 |
| Vanguard Portfolio Management LLC | 2,088,961 | $93.2M | increase | 2026-06-30 |
| Soleus Capital Management, L.P. | 1,931,436 | $86.2M | increase | 2026-06-30 |
| AQR Capital Management LLC | 1,856,800 | $80.9M | increase | 2026-06-30 |
| UBS Group AG | 1,645,511 | $73.4M | increase | 2026-06-30 |
| D. E. Shaw | 1,470,462 | $65.6M | increase | 2026-06-30 |
| Nomura Holdings | 1,369,410 | $61.1M | new | 2026-06-30 |
| Deerfield Management Company, L.P. (series C) | 1,296,862 | $57.9M | decrease | 2026-06-30 |
| Vanguard Capital Management LLC | 1,270,928 | $56.7M | increase | 2026-06-30 |
| State Street | 1,206,494 | $53.8M | increase | 2026-06-30 |
| Assenagon Asset Management S.A. | 643,315 | $44.6M | decrease | 2026-09-30 |
| Morgan Stanley | 791,222 | $35.3M | decrease | 2026-06-30 |
| Artisan Partners Limited Partnership | 732,323 | $32.7M | decrease | 2026-06-30 |
Inspire Medical Systems' latest quarter
Inspire Medical Systems, Q3 2026: revenue $207M (-8% year over year), operating margin -13.9%, net loss $24.4M, operating cash flow $46.4M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most INSP stock?
By the latest 13F filings: Vanguard Group ($272M); BlackRock ($211M); Wellington Management Group LLP ($106M); Vanguard Portfolio Management LLC ($93.2M); Soleus Capital Management, L.P. ($86.2M).
What is the short interest in INSP?
4,492,372 shares were sold short at the 2026-10-15 settlement, 7.07% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.