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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 2,529,623 | $671.6M | 0.01% | −32,279−1.3% | Reduced |
| FMR LLC | 1,967,088 | $522.3M | 0.03% | +309,658+18.7% | Added |
| Vanguard Portfolio Management LLC | 1,249,748 | $331.8M | 0.02% | +1,249,748 | New |
| Janus Henderson Group PLC | 772,314 | $205.1M | 0.10% | +19,747+2.6% | Added |
| Vanguard Capital Management LLC | 699,253 | $185.7M | 0.00% | +699,253 | New |
| Mawer Investment Management Ltd. | 662,634 | $175.9M | 1.14% | −140,968−17.5% | Reduced |
| State Street Corp | 662,141 | $175.8M | 0.01% | +3,967+0.6% | Added |
| Capital International Investors | 619,479 | $164.5M | 0.04% | −54,864−8.1% | Reduced |
| Geode Capital Management, LLC | 440,723 | $117.0M | 0.01% | +29,760+7.2% | Added |
| UBS Asset Management Americas Inc | 430,561 | $114.3M | 0.02% | −67,691−13.6% | Reduced |
| Dimensional Fund Advisors LP | 395,428 | $105.0M | 0.02% | −11,464−2.8% | Reduced |
| Invesco Ltd. | 373,274 | $99.1M | 0.01% | −51,923−12.2% | Reduced |
| Hood River Capital Management LLC | 372,074 | $98.8M | 0.99% | −7,300−1.9% | Reduced |
| Neuberger Berman Group LLC | 303,923 | $80.7M | 0.06% | +3,131+1.0% | Added |
| Clark Capital Management Group, Inc. | 270,420 | $71.8M | 0.44% | +4,306+1.6% | Added |
| Channing Capital Management, LLC | 266,884 | $70.9M | 1.81% | +266,884 | New |
| Bank of America Corp | 266,375 | $70.7M | 0.01% | −19,878−6.9% | Reduced |
| Price T Rowe Associates Inc | 259,545 | $68.9M | 0.01% | +4,483+1.8% | Added |
| Primecap Management Co | 244,660 | $65.0M | 0.05% | −23,050−8.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 232,497 | $61.6M | 0.08% | +69,393+42.5% | Added |
| Systematic Financial Management LP | 219,241 | $58.2M | 1.33% | −14,011−6.0% | Reduced |
| Morgan Stanley | 210,377 | $55.9M | 0.00% | −12,527−5.6% | Reduced |
| Charles Schwab Investment Management Inc | 200,986 | $53.4M | 0.01% | −1,047−0.5% | Reduced |
| Loomis Sayles & Co L P | 191,467 | $50.8M | 0.07% | −15,979−7.7% | Reduced |
| Neumeier Poma Investment Counsel LLC | 191,430 | $50.8M | 4.19% | −4,365−2.2% | Reduced |
| Van Eck Associates Corp | 188,180 | $50.0M | 0.04% | −38,915−17.1% | Reduced |
| JPMorgan Chase & Co | 172,754 | $45.7M | 0.00% | +7,745+4.7% | Added |
| William Blair Investment Management, LLC | 171,667 | $45.6M | 0.15% | −19,659−10.3% | Reduced |
| Northern Trust Corp | 170,855 | $45.4M | 0.01% | −453−0.3% | Reduced |
| Clearbridge Investments, LLC | 163,598 | $43.4M | 0.04% | −21,548−11.6% | Reduced |
| Nomura Asset Management International Inc. | 161,492 | $42.9M | 0.07% | −27,478−14.5% | Reduced |
| UBS Group AG | 135,961 | $36.1M | 0.01% | −180,275−57.0% | Reduced |
| Driehaus Capital Management LLC | 117,963 | $31.3M | 0.23% | −117,805−50.0% | Reduced |
| Swedbank AB | 117,740 | $31.3M | 0.03% | +7,327+6.6% | Added |
| Vanguard Fiduciary Trust Co | 107,652 | $28.6M | 0.01% | +107,652 | New |
| Oberweis Asset Management Inc | 106,593 | $28.3M | 0.84% | +5,193+5.1% | Added |
| Principal Financial Group Inc | 102,417 | $27.2M | 0.01% | +6,591+6.9% | Added |
| Envestnet Asset Management Inc | 100,377 | $26.7M | 0.01% | +4,336+4.5% | Added |
| Bank of New York Mellon Corp | 98,162 | $26.1M | 0.00% | −4,762−4.6% | Reduced |
| BNP Paribas Arbitrage, SA | 97,909 | $26.0M | 0.02% | +50,824+107.9% | Added |
| Ameriprise Financial Inc | 94,110 | $25.0M | 0.01% | +53,992+134.6% | Added |
| Wellington Management Group LLP | 93,754 | $24.9M | 0.00% | +43,893+88.0% | Added |
| Boston Partners | 86,529 | $23.0M | 0.02% | +9,471+12.3% | Added |
| Asset Management One Co.,Ltd. | 83,323 | $22.1M | 0.07% | +6,763+8.8% | Added |
| Brown Advisory Inc | 78,254 | $20.8M | 0.03% | −73,351−48.4% | Reduced |
| Goldman Sachs Group Inc | 75,120 | $19.9M | 0.00% | −33,257−30.7% | Reduced |
| New York State Common Retirement Fund | 71,496 | $19.0M | 0.03% | +55,111+336.4% | Added |
| Mirova | 65,007 | $17.3M | 0.70% | +65,007 | New |
| Nuveen, LLC | 59,840 | $15.9M | 0.00% | −9,313−13.5% | Reduced |
| Public Sector Pension Investment Board | 55,384 | $14.7M | 0.05% | +142+0.3% | Added |
| American Century Companies Inc | 50,994 | $13.5M | 0.01% | +10,664+26.4% | Added |
| Wells Fargo & Company | 50,772 | $13.5M | 0.00% | −1,154−2.2% | Reduced |
| Prospect Capital Advisors, LLC | 49,485 | $13.1M | 7.31% | −2,500−4.8% | Reduced |
| Segall Bryant & Hamill, LLC | 47,909 | $12.7M | 0.18% | +47,909 | New |
| Nordea Investment Management AB | 45,750 | $12.1M | 0.01% | −2,333−4.9% | Reduced |
| Axiom Investors LLC | 45,072 | $12.0M | 0.13% | −21,736−32.5% | Reduced |
| Millennium Management LLC | 43,610 | $11.6M | 0.01% | −135−0.3% | Reduced |
| Lord, Abbett & Co. LLC | 43,138 | $11.5M | 0.04% | −1,596−3.6% | Reduced |
| Rhumbline Advisers | 43,058 | $11.4M | 0.01% | −214−0.5% | Reduced |
| PDT Partners, LLC | 42,104 | $11.2M | 0.66% | 00.0% | Unchanged |
| First Trust Advisors LP | 39,612 | $10.5M | 0.01% | −17,694−30.9% | Reduced |
| Legal & General Group Plc | 37,618 | $9.99M | 0.00% | −3,837−9.3% | Reduced |
| Robeco Schweiz AG | 36,500 | $9.69M | 0.20% | +5,953+19.5% | Added |
| HRT Financial LP | 35,712 | $9.48M | 0.02% | +17,313+94.1% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 34,195 | $9.08M | 0.26% | +10,997+47.4% | Added |
| GHP Investment Advisors, Inc. | 33,209 | $8.82M | 0.36% | +247+0.7% | Added |
| Swiss National Bank | 31,900 | $8.47M | 0.00% | +400+1.3% | Added |
| Nicholas Investment Partners, LP | 31,553 | $8.38M | 0.60% | −17,066−35.1% | Reduced |
| Stifel Financial Corp | 28,959 | $7.69M | 0.01% | +11,532+66.2% | Added |
| SG Capital Management LLC | 26,991 | $7.17M | 0.59% | +26,991 | New |
| Intrinsic Edge Capital Management LLC | 26,158 | $6.95M | 1.26% | −5,000−16.0% | Reduced |
| Credit Agricole S A | 25,161 | $6.68M | 0.02% | +1,446+6.1% | Added |
| LPL Financial LLC | 24,709 | $6.56M | 0.00% | +131+0.5% | Added |
| First Eagle Investment Management, LLC | 24,662 | $6.55M | 0.01% | −1,902−7.2% | Reduced |
| Advisors Asset Management, Inc. | 23,879 | $6.34M | 0.11% | +1,426+6.4% | Added |
| Bridge City Capital, LLC | 22,582 | $6.00M | 1.66% | +1,361+6.4% | Added |
| Argent Capital Management LLC | 19,877 | $5.28M | 0.17% | +19,877 | New |
| Shannon River Fund Management LLC | 19,274 | $5.12M | 0.98% | +19,274 | New |
| AQR Capital Management LLC | 19,113 | $5.07M | 0.00% | −324−1.7% | Reduced |
| Stanley-Laman Group, Ltd. | 18,796 | $4.99M | 0.61% | −330−1.7% | Reduced |
| California State Teachers Retirement System | 18,670 | $4.96M | 0.01% | +3,663+24.4% | Added |
| Deutsche Bank AG | 18,438 | $4.90M | 0.00% | +2,424+15.1% | Added |
| SEI Investments Co | 18,316 | $4.86M | 0.00% | −1,214−6.2% | Reduced |
| Moody Aldrich Partners LLC | 18,233 | $4.84M | 0.87% | −520−2.8% | Reduced |
| Truist Financial Corp | 17,724 | $4.71M | 0.01% | −415−2.3% | Reduced |
| Alliancebernstein L.P. | 18,208 | $4.64M | 0.00% | −1,013−5.3% | Reduced |
| Oliver Luxxe Assets LLC | 16,183 | $4.30M | 0.64% | −4,116−20.3% | Reduced |
| Prudential Financial Inc | 15,873 | $4.21M | 0.01% | +920+6.2% | Added |
| Chatham Capital Group, Inc. | 15,692 | $4.17M | 0.60% | −1,888−10.7% | Reduced |
| Assenagon Asset Management S.A. | 15,527 | $4.12M | 0.01% | −2,390−13.3% | Reduced |
| Manatuck Hill Partners, LLC | 15,300 | $4.06M | 1.33% | +1,000+7.0% | Added |
| Harvest Investment Services, LLC | 15,231 | $4.04M | 0.74% | +3,242+27.0% | Added |
| Citadel Advisors LLC | 14,948 | $3.97M | 0.00% | +13,715+1,112.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 14,936 | $3.97M | 0.01% | −13,421−47.3% | Reduced |
| Vanguard Asset Management, Ltd | 14,873 | $3.95M | 0.00% | +14,873 | New |
| Moran Wealth Management, LLC | 14,676 | $3.90M | 0.12% | +10,411+244.1% | Added |
| Barclays PLC | 14,579 | $3.87M | 0.00% | −16,781−53.5% | Reduced |
| Oak Ridge Investments LLC | 13,559 | $3.60M | 0.24% | +3,800+38.9% | Added |
| Great West Life Assurance Co | 13,388 | $3.55M | 0.01% | −878−6.2% | Reduced |
| State of Wisconsin Investment Board | 13,325 | $3.54M | 0.01% | −466−3.4% | Reduced |