Osi SystemsOSIS
13F holders, Q4 2025 (December 31)358holders +9
47new positions
42sold out
5famous investors
$255.17avg. 13F price*
At the end of Q4 2025, 358 institutions reported holding Osi Systems Inc. (OSIS) in their 13F filings, up 9 from Q3 2025. 47 opened new positions and 42 sold out. The largest holders were BlackRock, Inc. ($653.4M), Vanguard Group Inc. ($537.3M) and FMR LLC ($422.7M). 5 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Joel Greenblatt (0.0% of Gotham Asset Management's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Osi Systems Inc.
- CUSIP
- 671044105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 47 | $91.2M |
| Exits | 42 | $106.8M |
All 13F filers, Q3 2025 → Q4 2025: 1,499,143 shares bought and 1,460,883 shares sold, net +38,260 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 358 holders
| BlackRock, Inc. | 0.01% | Add +2.3% | 2,561,902 | $653.4M |
| Vanguard Group Inc. | 0.01% | Reduce -0.1% | 2,106,595 | $537.3M |
| FMR LLC | 0.02% | Add +52.0% | 1,657,430 | $422.7M |
| Mawer Investment Management Ltd. | 1.15% | Reduce -6.2% | 803,602 | $205.0M |
| Janus Henderson Group PLC | 0.09% | Reduce -24.8% | 752,567 | $191.9M |
| Capital International Investors | 0.03% | No change | 674,343 | $172.0M |
| State Street Corp. | 0.01% | Reduce -1.2% | 658,174 | $167.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.03% | Reduce -9.5% | 498,252 | $127.1M |
| Invesco Ltd. | 0.01% | Add +21.0% | 425,197 | $108.5M |
| Geode Capital Management, LLC | 0.01% | Add +4.2% | 410,963 | $104.8M |
| Dimensional Fund Advisors LP | 0.02% | Reduce -3.0% | 406,892 | $103.8M |
| Hood River Capital Management LLC | 1.06% | Add +2.2% | 379,374 | $96.8M |
| UBS Group AG | 0.02% | Reduce -0.0% | 316,236 | $80.7M |
| Neuberger Berman Group LLC | 0.06% | Reduce -1.1% | 300,792 | $76.8M |
| Bank of America Corp. | 0.01% | Add +3.9% | 286,253 | $73.0M |
| Primecap Management Co. | 0.05% | Reduce -12.7% | 267,710 | $68.3M |
| Clark Capital Management Group, Inc. | 0.42% | Add +2.6% | 266,114 | $67.9M |
| T. Rowe Price Associates Inc. | 0.01% | Add +4.1% | 255,062 | $65.1M |
| Driehaus Capital Management LLC | 0.41% | Add +60.3% | 235,768 | $60.1M |
| Systematic Financial Management LP | 1.40% | Reduce -9.1% | 233,252 | $59.5M |
| Van Eck Associates Corp. | 0.05% | Add +10.5% | 227,095 | $57.9M |
| Morgan Stanley | 0.00% | Reduce -14.8% | 222,904 | $56.9M |
| Loomis Sayles & Co. L P | 0.06% | Reduce -4.5% | 207,446 | $52.9M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -3.8% | 202,033 | $51.5M |
| Neumeier Poma Investment Counsel LLC | 4.13% | Add +0.6% | 195,795 | $49.9M |
| William Blair Investment Management, LLC | 0.14% | New | 191,326 | $48.8M |
| Nomura Asset Management International Inc. | 0.07% | — | 188,970 | $48.2M |
| Clearbridge Investments, LLC | 0.04% | Reduce -24.3% | 185,146 | $47.2M |
| Northern Trust Corp. | 0.01% | Reduce -2.8% | 171,308 | $43.7M |
| JPMorgan Chase & Co. | 0.00% | Add +26.7% | 165,009 | $42.1M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.06% | Add +1.0% | 163,104 | $41.5M |
| Brown Advisory Inc. | 0.05% | Reduce -27.9% | 151,605 | $38.7M |
| Swedbank AB | 0.03% | Reduce -0.7% | 110,413 | $28.2M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -28.5% | 108,377 | $27.6M |
| Bank of New York Mellon Corp | 0.00% | Reduce -6.3% | 102,924 | $26.3M |
| Oberweis Asset Management Inc./ | 0.95% | No change | 101,400 | $25.9M |
| Envestnet Asset Management Inc. | 0.01% | Add +1.6% | 96,041 | $24.5M |
| Principal Financial Group Inc. | 0.01% | Add +8.0% | 95,826 | $24.4M |
| Asset Management One Co., Ltd. | 0.06% | Add +46.3% | 76,560 | $20.3M |
| Boston Partners | 0.02% | Reduce -21.4% | 77,058 | $20.0M |
| Nuveen, LLC | 0.00% | Reduce -34.9% | 69,153 | $17.6M |
| Axiom Investors LLC | 0.15% | Add +107.4% | 66,808 | $17.0M |
| First Trust Advisors LP | 0.01% | Add +23.0% | 57,306 | $14.6M |
| Public Sector Pension Investment Board | 0.05% | Reduce -10.2% | 55,242 | $14.1M |
| Prospect Capital Advisors, LLC | 6.84% | Reduce -0.9% | 51,985 | $13.3M |
| Wells Fargo & Company | 0.00% | Add +72.2% | 51,926 | $13.2M |
| Wellington Management Group LLP | 0.00% | New | 49,861 | $12.7M |
| Nordea Investment Management AB | 0.01% | Reduce -12.5% | 48,083 | $12.6M |
| Nicholas Investment Partners, LP | 1.03% | Add +6.4% | 48,619 | $12.4M |
| BNP Paribas Financial Markets | 0.01% | Add +1.0% | 47,085 | $12.0M |
| Lord, Abbett & Co. LLC | 0.04% | Reduce -15.0% | 44,734 | $11.4M |
| Millennium Management | 0.01% | Reduce -54.5% | 43,745 | $11.2M |
| Rhumbline Advisers | 0.01% | Reduce -5.2% | 43,272 | $11.0M |
| PDT Partners, LLC | 0.70% | No change | 42,104 | $10.7M |
| Legal & General Group Plc | 0.00% | Reduce -3.4% | 41,455 | $10.6M |
| American Century Companies Inc. | 0.01% | Add +104.5% | 40,330 | $10.3M |
| Ameriprise Financial Inc. | 0.00% | Add +4.7% | 40,118 | $10.2M |
| Citigroup Inc. | 0.01% | Add +160.1% | 35,543 | $9.1M |
| GHP Investment Advisors, Inc. | 0.35% | Add +0.6% | 32,962 | $8.4M |
| Swiss National Bank | 0.00% | Add +1.9% | 31,500 | $8.0M |
| Barclays PLC | 0.00% | Add +5.4% | 31,360 | $8.0M |
| Intrinsic Edge Capital Management LLC | 1.54% | Reduce -48.4% | 31,158 | $7.9M |
| Robeco Schweiz AG | 0.17% | New | 30,547 | $7.8M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Add +49.7% | 28,357 | $7.2M |
| First Eagle Investment Management, LLC | 0.01% | Reduce -13.9% | 26,564 | $6.8M |
| LPL Financial LLC | 0.00% | Add +7.7% | 24,578 | $6.3M |
| Jane Street Group, LLC | 0.01% | Reduce -28.4% | 24,386 | $6.2M |
| Credit Agricole S A | 0.02% | Add +31.1% | 23,715 | $6.0M |
| Daiichi Life Insurance Co., Ltd. | 0.15% | New | 23,198 | $5.9M |
| Advisors Asset Management, Inc. | 0.10% | Add +4.6% | 22,453 | $5.7M |
| Bridge City Capital, LLC | 1.59% | Reduce -23.4% | 21,221 | $5.4M |
| Oliver Luxxe Assets LLC | 0.79% | Reduce -13.8% | 20,299 | $5.2M |
| Sei Investments Co. | 0.00% | Add +38.7% | 19,530 | $5.0M |
| AQR Capital Management | 0.00% | Reduce -32.1% | 19,437 | $5.0M |
| Alliancebernstein L.P. | 0.00% | Add +7.0% | 19,221 | $4.9M |
| Stanley-Laman Group, Ltd. | 0.62% | Add +9.0% | 19,126 | $4.9M |
| Moody Aldrich Partners LLC | 0.89% | Reduce -20.9% | 18,753 | $4.8M |
| HRT Financial LP | 0.01% | Reduce -34.0% | 18,399 | $4.7M |
| Allspring Global Investments Holdings, LLC | 0.01% | Add +112.4% | 18,230 | $4.7M |
| Truist Financial Corp. | 0.01% | Add +1.1% | 18,139 | $4.6M |
| Assenagon Asset Management S.A. | 0.01% | Add +7.9% | 17,917 | $4.6M |
| Chatham Capital Group, Inc. | 0.64% | Add +2.6% | 17,580 | $4.5M |
| Stifel Financial Corp. | 0.00% | Add +66.3% | 17,427 | $4.4M |
| New York State Common Retirement Fund | 0.01% | Reduce -6.5% | 16,385 | $4.2M |
| Deutsche Bank AG | 0.00% | Add +4.2% | 16,014 | $4.1M |
| MML Investors Services, LLC | 0.01% | Add +12.1% | 15,797 | $4.0M |
| Informed Momentum Co LLC | 0.43% | Reduce -13.6% | 15,075 | $3.8M |
| California State Teachers Retirement System | 0.00% | Reduce -0.0% | 15,007 | $3.8M |
| Prudential Financial Inc. | 0.00% | Reduce -6.2% | 14,953 | $3.8M |
| Manatuck Hill Partners, LLC | 1.28% | No change | 14,300 | $3.6M |
| CANADA LIFE ASSURANCE Co | 0.01% | Add +5.8% | 14,266 | $3.6M |
| Royal Bank of Canada | 0.00% | Reduce -71.0% | 13,925 | $3.5M |
| State of Wisconsin Investment Board | 0.01% | Add +8.4% | 13,791 | $3.5M |
| Jefferies Financial Group Inc. | 0.03% | New | 13,738 | $3.5M |
| Bessemer Group Inc. | 0.01% | Add +1569.6% | 12,689 | $3.2M |
| New York State Teachers Retirement System | 0.01% | Reduce -2.3% | 12,603 | $3.2M |
| Cetera Investment Advisers | 0.00% | Add +0.7% | 12,173 | $3.1M |
| Harvest Investment Services, LLC | 0.58% | Reduce -2.4% | 11,989 | $3.1M |
| Livforsakringsbolaget Skandia, Omsesidigt | 0.12% | No change | 11,700 | $3.0M |
| Wedge Capital Management L L P | 0.05% | Reduce -17.1% | 11,478 | $2.9M |
"% of holder's portfolio" is OSIS's weight in each manager's 13F, not the share of Osi Systems Inc. the manager owns.