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 2026
Institutional positions in Osi Systems Inc as of Mar 31, 2026. 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
- 368
- +17 vs. Q4 2025
- Shares held
- 18.9M
- +2.17M (+13.0%) vs. Q4 2025
- Total value
- $5.00B
- +$745.6M (+17.5%) vs. Q4 2025
- New holders
- 50
- 124 more added
- Sold out
- 33
- 143 more reduced
7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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 2026
Shares, value and share of portfolio for each institution holding Osi Systems Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nicholas Investment Partners, LP | 31,553 | $8.38M | 0.60% | −17,066−35.1% | Reduced |
| Swiss National Bank | 31,900 | $8.47M | 0.00% | +400+1.3% | Added |
| GHP Investment Advisors, Inc. | 33,209 | $8.82M | 0.36% | +247+0.7% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 34,195 | $9.08M | 0.26% | +10,997+47.4% | Added |
| HRT Financial LP | 35,712 | $9.48M | 0.02% | +17,313+94.1% | Added |
| Robeco Schweiz AG | 36,500 | $9.69M | 0.20% | +5,953+19.5% | Added |
| Legal & General Group Plc | 37,618 | $9.99M | 0.00% | −3,837−9.3% | Reduced |
| First Trust Advisors LP | 39,612 | $10.5M | 0.01% | −17,694−30.9% | Reduced |
| PDT Partners, LLC | 42,104 | $11.2M | 0.66% | 00.0% | Unchanged |
| Rhumbline Advisers | 43,058 | $11.4M | 0.01% | −214−0.5% | Reduced |
| Lord, Abbett & Co. LLC | 43,138 | $11.5M | 0.04% | −1,596−3.6% | Reduced |
| Millennium Management LLC | 43,610 | $11.6M | 0.01% | −135−0.3% | Reduced |
| Axiom Investors LLC | 45,072 | $12.0M | 0.13% | −21,736−32.5% | Reduced |
| Nordea Investment Management AB | 45,750 | $12.1M | 0.01% | −2,333−4.9% | Reduced |
| Segall Bryant & Hamill, LLC | 47,909 | $12.7M | 0.18% | +47,909 | New |
| Prospect Capital Advisors, LLC | 49,485 | $13.1M | 7.31% | −2,500−4.8% | Reduced |
| Wells Fargo & Company | 50,772 | $13.5M | 0.00% | −1,154−2.2% | Reduced |
| American Century Companies Inc | 50,994 | $13.5M | 0.01% | +10,664+26.4% | Added |
| Public Sector Pension Investment Board | 55,384 | $14.7M | 0.05% | +142+0.3% | Added |
| Nuveen, LLC | 59,840 | $15.9M | 0.00% | −9,313−13.5% | Reduced |
| Mirova | 65,007 | $17.3M | 0.70% | +65,007 | New |
| New York State Common Retirement Fund | 71,496 | $19.0M | 0.03% | +55,111+336.4% | Added |
| Goldman Sachs Group Inc | 75,120 | $19.9M | 0.00% | −33,257−30.7% | Reduced |
| Brown Advisory Inc | 78,254 | $20.8M | 0.03% | −73,351−48.4% | Reduced |
| Asset Management One Co.,Ltd. | 83,323 | $22.1M | 0.07% | +6,763+8.8% | Added |
| Boston Partners | 86,529 | $23.0M | 0.02% | +9,471+12.3% | Added |
| Wellington Management Group LLP | 93,754 | $24.9M | 0.00% | +43,893+88.0% | Added |
| Ameriprise Financial Inc | 94,110 | $25.0M | 0.01% | +53,992+134.6% | Added |
| BNP Paribas Arbitrage, SA | 97,909 | $26.0M | 0.02% | +50,824+107.9% | Added |
| Bank of New York Mellon Corp | 98,162 | $26.1M | 0.00% | −4,762−4.6% | Reduced |
| Envestnet Asset Management Inc | 100,377 | $26.7M | 0.01% | +4,336+4.5% | Added |
| Principal Financial Group Inc | 102,417 | $27.2M | 0.01% | +6,591+6.9% | Added |
| Oberweis Asset Management Inc | 106,593 | $28.3M | 0.84% | +5,193+5.1% | Added |
| Vanguard Fiduciary Trust Co | 107,652 | $28.6M | 0.01% | +107,652 | New |
| Swedbank AB | 117,740 | $31.3M | 0.03% | +7,327+6.6% | Added |
| Driehaus Capital Management LLC | 117,963 | $31.3M | 0.23% | −117,805−50.0% | Reduced |
| UBS Group AG | 135,961 | $36.1M | 0.01% | −180,275−57.0% | Reduced |
| Nomura Asset Management International Inc. | 161,492 | $42.9M | 0.07% | −27,478−14.5% | Reduced |
| Clearbridge Investments, LLC | 163,598 | $43.4M | 0.04% | −21,548−11.6% | Reduced |
| Northern Trust Corp | 170,855 | $45.4M | 0.01% | −453−0.3% | Reduced |
| William Blair Investment Management, LLC | 171,667 | $45.6M | 0.15% | −19,659−10.3% | Reduced |
| JPMorgan Chase & Co | 172,754 | $45.7M | 0.00% | +7,745+4.7% | Added |
| Van Eck Associates Corp | 188,180 | $50.0M | 0.04% | −38,915−17.1% | Reduced |
| Neumeier Poma Investment Counsel LLC | 191,430 | $50.8M | 4.19% | −4,365−2.2% | Reduced |
| Loomis Sayles & Co L P | 191,467 | $50.8M | 0.07% | −15,979−7.7% | Reduced |
| Charles Schwab Investment Management Inc | 200,986 | $53.4M | 0.01% | −1,047−0.5% | Reduced |
| Morgan Stanley | 210,377 | $55.9M | 0.00% | −12,527−5.6% | Reduced |
| Systematic Financial Management LP | 219,241 | $58.2M | 1.33% | −14,011−6.0% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 232,497 | $61.6M | 0.08% | +69,393+42.5% | Added |
| Primecap Management Co | 244,660 | $65.0M | 0.05% | −23,050−8.6% | Reduced |
| Price T Rowe Associates Inc | 259,545 | $68.9M | 0.01% | +4,483+1.8% | Added |
| Bank of America Corp | 266,375 | $70.7M | 0.01% | −19,878−6.9% | Reduced |
| Channing Capital Management, LLC | 266,884 | $70.9M | 1.81% | +266,884 | New |
| Clark Capital Management Group, Inc. | 270,420 | $71.8M | 0.44% | +4,306+1.6% | Added |
| Neuberger Berman Group LLC | 303,923 | $80.7M | 0.06% | +3,131+1.0% | Added |
| Hood River Capital Management LLC | 372,074 | $98.8M | 0.99% | −7,300−1.9% | Reduced |
| Invesco Ltd. | 373,274 | $99.1M | 0.01% | −51,923−12.2% | Reduced |
| Dimensional Fund Advisors LP | 395,428 | $105.0M | 0.02% | −11,464−2.8% | Reduced |
| UBS Asset Management Americas Inc | 430,561 | $114.3M | 0.02% | −67,691−13.6% | Reduced |
| Geode Capital Management, LLC | 440,723 | $117.0M | 0.01% | +29,760+7.2% | Added |
| Capital International Investors | 619,479 | $164.5M | 0.04% | −54,864−8.1% | Reduced |
| State Street Corp | 662,141 | $175.8M | 0.01% | +3,967+0.6% | Added |
| Mawer Investment Management Ltd. | 662,634 | $175.9M | 1.14% | −140,968−17.5% | Reduced |
| Vanguard Capital Management LLC | 699,253 | $185.7M | 0.00% | +699,253 | New |
| Janus Henderson Group PLC | 772,314 | $205.1M | 0.10% | +19,747+2.6% | Added |
| Vanguard Portfolio Management LLC | 1,249,748 | $331.8M | 0.02% | +1,249,748 | New |
| FMR LLC | 1,967,088 | $522.3M | 0.03% | +309,658+18.7% | Added |
| BlackRock, Inc. | 2,529,623 | $671.6M | 0.01% | −32,279−1.3% | Reduced |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −24,386−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −15,075−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −13,738−100.0% | Sold out |
| Park Avenue Securities LLC | 0 | $0 | 0.00% | −7,430−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −5,500−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −4,900−100.0% | Sold out |
| Guggenheim Capital LLC | 0 | $0 | 0.00% | −4,858−100.0% | Sold out |
| Supplemental Annuity Collective Trust of NJ | 0 | $0 | 0.00% | −4,200−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −3,786−100.0% | Sold out |
| Oppenheimer & Co Inc | 0 | $0 | 0.00% | −3,270−100.0% | Sold out |
| Odyssean, LLC | 0 | $0 | 0.00% | −2,746−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −2,065−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −1,501−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −1,010−100.0% | Sold out |
| Newbridge Financial Services Group, Inc. | 0 | $0 | 0.00% | −1,026−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −926−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −914−100.0% | Sold out |
| Hutchens & Kramer Investment Management Group, LLC | 0 | $0 | 0.00% | −877−100.0% | Sold out |
| USA Financial Portformulas Corp | 0 | $0 | 0.00% | −159−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| CGC Financial Services, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Greenline Wealth Management LLC | 0 | $0 | 0.00% | −49−100.0% | Sold out |
| Matrix Trust Co | 0 | $0 | 0.00% | −43−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −34−100.0% | Sold out |
| FWL Investment Management, LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Geneos Wealth Management Inc. | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Cape Investment Advisory, Inc. | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Carolina Wealth Advisors, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Federation des caisses Desjardins du Quebec | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Torren Management, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Retirement Wealth Solutions LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |