Osi Systems Inc
OSIS- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001039065
No open-market purchases or sales by Osi Systems Inc insiders were filed in the last 90 days; 365 institutions reported holding it in 13F filings for Q2 2026, worth $4.14B in total; no superinvestor holds it.
13F holders, Q1 2025
Institutional positions in Osi Systems Inc as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 308
- +7 vs. Q4 2024
- Shares held
- 19.4M
- +1.41M (+7.9%) vs. Q4 2024
- Total value
- $3.76B
- +$755.5M (+25.1%) vs. Q4 2024
- New holders
- 55
- 97 more added
- Sold out
- 48
- 115 more reduced
6 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting OSIS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 365 | $4.14B |
| Q1 2026 | 368 | $5.00B |
| Q4 2025 | 358 | $4.80B |
| Q3 2025 | 349 | $4.66B |
| Q2 2025 | 339 | $4.20B |
| Q1 2025 | 308 | $3.76B |
| Q4 2024 | 307 | $3.03B |
| Q3 2024 | 275 | $2.51B |
| Q2 2024 | 265 | $2.12B |
| Q1 2024 | 250 | $2.17B |
| Q4 2023 | 227 | $1.96B |
| Q3 2023 | 238 | $1.77B |
| Q2 2023 | 210 | $1.77B |
| Q1 2023 | 184 | $1.54B |
| Q4 2022 | 190 | $1.22B |
| Q3 2022 | 182 | $1.09B |
| Q2 2022 | 186 | $1.33B |
| Q1 2022 | 183 | $1.36B |
| Q4 2021 | 194 | $1.55B |
| Q3 2021 | 193 | $1.61B |
| Q2 2021 | 189 | $1.76B |
| Q1 2021 | 194 | $1.64B |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Osi Systems Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Dimensional Fund Advisors LP | 590,774 | $114.8M | 0.03% | −159,401−21.2% | Reduced |
| Capital International Investors | 674,343 | $131.1M | 0.03% | +93,453+16.1% | Added |
| State Street Corp | 726,651 | $141.2M | 0.01% | −22,218−3.0% | Reduced |
| UBS Asset Management Americas Inc | 877,393 | $170.5M | 0.04% | +541,882+161.5% | Added |
| FMR LLC | 1,195,207 | $232.3M | 0.01% | +347,300+41.0% | Added |
| Janus Henderson Group PLC | 1,234,959 | $238.7M | 0.13% | +4,154+0.3% | Added |
| Vanguard Group Inc | 2,113,028 | $410.6M | 0.01% | −7,095−0.3% | Reduced |
| BlackRock, Inc. | 2,559,330 | $497.4M | 0.01% | −123,310−4.6% | Reduced |
| Proequities, Inc. | 0 | $0 | 0.00% | −344−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −44,069−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −26,557−100.0% | Sold out |
| Granahan Investment Management Inc | 0 | $0 | 0.00% | −19,851−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −14,699−100.0% | Sold out |
| Aristides Capital LLC | 0 | $0 | 0.00% | −12,469−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −10,018−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −10,006−100.0% | Sold out |
| First Hawaiian Bank | 0 | $0 | 0.00% | −8,214−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −7,240−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −5,711−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −5,635−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −3,757−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −3,113−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −3,036−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −2,989−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −2,028−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Cambridge Investment Research Advisors, Inc. | 0 | $0 | 0.00% | −1,923−100.0% | Sold out |
| Envestnet Portfolio Solutions, Inc. | 0 | $0 | 0.00% | −1,836−100.0% | Sold out |
| Virtus Investment Advisers, Inc. | 0 | $0 | 0.00% | −1,796−100.0% | Sold out |
| M&T Bank Corp | 0 | $0 | 0.00% | −1,793−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −1,678−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −1,602−100.0% | Sold out |
| Quantessence Capital LLC | 0 | $0 | 0.00% | −1,381−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −1,323−100.0% | Sold out |
| Csenge Advisory Group | 0 | $0 | 0.00% | −1,300−100.0% | Sold out |
| Longboard Asset Management, LP | 0 | $0 | 0.00% | −1,204−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −1,200−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −310−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −159−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −152−100.0% | Sold out |
| Byrne Asset Management LLC | 0 | $0 | 0.00% | −124−100.0% | Sold out |
| Rise Advisors, LLC | 0 | $0 | 0.00% | −92−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −74−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −69−100.0% | Sold out |
| Cape Investment Advisory, Inc. | 0 | $0 | 0.00% | −55−100.0% | Sold out |
| Venturi Wealth Management, LLC | 0 | $0 | 0.00% | −43−100.0% | Sold out |
| LGT Financial Advisors LLC | 0 | $0 | 0.00% | −43−100.0% | Sold out |
| GeoWealth Management, LLC | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Elequin Capital LP | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Van Hulzen Asset Management, LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Raffa Wealth Management, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Newbridge Financial Services Group, Inc. | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| DiNuzzo Private Wealth, Inc. | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Parkworth Wealth Management, Inc. | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |
| Swedbank AB | – | – | – | – | Not filed |
| Natixis Investment Managers International | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| WR Wealth Planners, LLC | – | – | – | – | Not filed |
| Virtus Fund Advisers, LLC | – | – | – | – | Not filed |