OSIS OSI SYSTEMS INC: institutional ownership and insider trading
393 funds reported holding $4.96B of OSI SYSTEMS INC in their latest 13F filings; in Q2 2026 funds net sold $25.6M, with 58 new positions and 58 funds selling out; over the last 12 months insiders bought $0 and sold $16.9M on the open market.
Famous investors holding OSIS
- Izzy Englander (Millennium Management): $65.3M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $5.90M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $4.51M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $1.07M, 0.0% of the portfolio
Largest institutional holders of OSIS
- BlackRock, Inc. (BLK) — $558M
- VANGUARD GROUP INC — $537M
- FMR LLC — $380M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $278M
- JANUS HENDERSON GROUP PLC (JHG) — $205M
- Jupiter Topco LLC — $198M
- VANGUARD CAPITAL MANAGEMENT LLC — $154M
- STATE STREET CORP (STT, STT-PG) — $147M
- Capital International Investors — $130M
- GEODE CAPITAL MANAGEMENT, LLC — $101M
Recent OSIS insider trades
- May 4, 2026: Chopra Deepak sold 20,000 shares ($5.64M)
- Feb 2, 2026: Chopra Deepak sold 20,000 shares ($5.02M)
- Nov 10, 2025: Chopra Deepak sold 20,000 shares ($5.71M)
- Nov 7, 2025: Hawkins James B sold 1,500 shares ($425K)
5%+ owners
- FMR LLC: 10.8% (Schedule 13G/A, filed Aug 6, 2026)
- Vanguard Portfolio Management: 7.7% (Schedule 13G, filed Apr 29, 2026)
- JANUS HENDERSON GROUP Ltd.: 5.5% (Schedule 13G, filed Aug 13, 2026)
- Vanguard Capital Management: 5.0% (Schedule 13G, filed Jul 31, 2026)