INSP Inspire Medical Systems, Inc.: institutional ownership and insider trading
309 funds reported holding $1.99B of Inspire Medical Systems, Inc. in their latest 13F filings; in Q2 2026 funds net bought $88.9M, with 63 new positions and 91 funds selling out; over the last 12 months insiders bought $0 and sold $666K on the open market.
Famous investors holding INSP
- D. E. Shaw (D. E. Shaw & Co.): $65.6M, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $19.0M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $25.9M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $4.20M, 0.0% of the portfolio
Largest institutional holders of INSP
- VANGUARD GROUP INC — $272M
- BlackRock, Inc. (BLK) — $211M
- WELLINGTON MANAGEMENT GROUP LLP — $106M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $93.2M
- Soleus Capital Management, L.P. — $86.2M
- AQR CAPITAL MANAGEMENT LLC — $80.9M
- UBS Group AG (UBS) — $73.4M
- D. E. Shaw & Co., Inc. — $65.6M
- NOMURA HOLDINGS INC (NMR, NRSCF) — $61.1M
- DEERFIELD MANAGEMENT COMPANY, L.P. — $57.9M
Recent INSP insider trades
- Aug 7, 2026: Kelly Jason P sold 963 shares ($57.3K)
- May 15, 2026: Rondoni John sold 2,641 shares ($114K)
- May 14, 2026: Rondoni John sold 700 shares ($30.1K)
- May 8, 2026: mcCormick Shawn sold 696 shares ($31.5K)
5%+ owners
- BlackRock, Inc.: 14.4% (Schedule 13G/A, filed Jul 28, 2026)
- Wellington Management Group LLP: 8.8% (Schedule 13G/A, filed May 15, 2026)
- Vanguard Portfolio Management: 7.4% (Schedule 13G/A, filed Jul 31, 2026)
- Soleus Capital Master Fund, L.P.: 6.7% (Schedule 13G/A, filed Aug 13, 2026)
- AQR Capital Management, LLC: 6.4% (Schedule 13G, filed Aug 12, 2026)
- Vanguard Capital Management: 5.1% (Schedule 13G, filed Apr 30, 2026)