Who owns Inspire Medical Systems, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of INSP from SEC Form 13F filings across 274 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 274 institutions disclosed 37.0M shares of Inspire Medical Systems, Inc. worth $1.65B — about 128.3% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
274
13F holders
$1.65B
value, 2026 filers
128.3%
of shares outstanding (37.0M sh)
67
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of INSP's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 4.7M | $211.3M | 0.0% | 16.4% | +33.5% |
| 2 | WELLINGTON MANAGEMENT GROUP LLP | 2.4M | $106.3M | 0.0% | 8.3% | -6.0% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.1M | $93.2M | 0.0% | 7.2% | +27.6% |
| 4 | Soleus Capital Management, L.P. | 1.9M | $86.2M | 3.0% | 6.7% | +235.1% |
| 5 | AQR CAPITAL MANAGEMENT LLC | 1.9M | $80.9M | 0.0% | 6.4% | +501.6% |
| 6 | UBS Group AG | 1.6M | $73.4M | 0.0% | 5.7% | +157.5% |
| 7 | D. E. Shaw & Co., Inc. | 1.5M | $65.6M | 0.0% | 5.1% | +23.7% |
| 8 | NOMURA HOLDINGS INCNEW | 1.4M | $61.1M | 0.1% | 4.7% | new |
| 9 | DEERFIELD MANAGEMENT COMPANY, L.P. | 1.3M | $57.9M | 0.6% | 4.5% | -52.0% |
| 10 | VANGUARD CAPITAL MANAGEMENT LLC | 1.3M | $56.7M | 0.0% | 4.4% | +0.3% |
| 11 | STATE STREET CORP | 1.2M | $53.8M | 0.0% | 4.2% | +26.2% |
| 12 | Assenagon Asset Management S.A. | 864,395 | $38.6M | 0.0% | 3% | +66.2% |
| 13 | MORGAN STANLEY | 791,222 | $35.3M | 0.0% | 2.7% | -45.5% |
| 14 | Artisan Partners Limited Partnership | 732,323 | $32.7M | 0.1% | 2.5% | -6.2% |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 700,836 | $31.3M | 0.0% | 2.4% | +37.4% |
| 16 | BRAIDWELL LP | 677,570 | $30.2M | 1.1% | 2.3% | 0.0% |
| 17 | GOLDMAN SACHS GROUP INC | 645,858 | $28.8M | 0.0% | 2.2% | -2.7% |
| 18 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 546,020 | $24.4M | 0.0% | 1.9% | +21.7% |
| 19 | CITADEL ADVISORS LLC | 506,334 | $22.6M | 0.0% | 1.8% | +28.5% |
| 20 | SG Americas Securities, LLC | 491,703 | $21.9M | 0.0% | 1.7% | +367.6% |
| 21 | BNP PARIBAS FINANCIAL MARKETS | 428,069 | $19.1M | 0.0% | 1.5% | +33.9% |
| 22 | RENAISSANCE TECHNOLOGIES LLC | 426,000 | $19.0M | 0.0% | 1.5% | -9.4% |
| 23 | ADAR1 Capital Management, LLC | 374,617 | $16.7M | 0.8% | 1.3% | -7.5% |
| 24 | Aberdeen Group plc | 358,968 | $16.0M | 0.0% | 1.2% | -24.8% |
| 25 | NORTHERN TRUST CORP | 334,039 | $14.9M | 0.0% | 1.2% | +69.5% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.