Stocktoria
OSI SYSTEMS INC OSIS
OSI SYSTEMS INC institutional holders
| Investor | Shares | Value | % of company |
|---|---|---|---|
| BlackRock Finance, Inc. | 2,609,105 | $358.8M | 15.1% |
| MILLENNIUM MANAGEMENT LLC | 298,480 | $65.3M | 1.73% |
| CITADEL ADVISORS LLC | 27,000 | $5.9M | 0.16% |
| D. E. Shaw & Co., Inc. | 20,599 | $4.5M | 0.12% |
| AQR CAPITAL MANAGEMENT LLC | 17,540 | $3.8M | 0.1% |
| TWO SIGMA INVESTMENTS, LP | 4,900 | $1.1M | 0.03% |
% of company = reported institutional shares ÷ shares outstanding. Based on the latest reports; not every holder reports every quarter.
Computed from company filings · US · as of 2026-06-30. Facts plus Stocktoria's own computed scores — not investment advice.