Osi SystemsOSIS
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 365 institutions reported holding Osi Systems Inc. (OSIS) in their 13F filings, down 3 from Q1 2026. 55 opened new positions and 58 sold out. The largest holders were BlackRock, Inc. ($558.1M), FMR LLC ($380.1M) and Vanguard Portfolio Management LLC ($278.2M). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).
- Company
- Osi Systems Inc.
- CUSIP
- 671044105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 55 | $60.6M |
| Exits | 58 | $281.0M |
All 13F filers, Q1 2026 → Q2 2026: 2,093,687 shares bought and 2,148,252 shares sold, net −54,565 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 365 holders
| BlackRock, Inc. | 0.01% | Add +0.9% | 2,552,027 | $558.1M |
| FMR LLC | 0.02% | Reduce -11.6% | 1,738,166 | $380.1M |
| Vanguard Portfolio Management LLC | 0.01% | Add +1.8% | 1,272,016 | $278.2M |
| Jupiter Topco LLC | 0.08% | — | 905,925 | $198.1M |
| Vanguard Capital Management LLC | 0.00% | Add +0.6% | 703,070 | $153.8M |
| State Street Corp. | 0.00% | Add +1.8% | 674,053 | $147.4M |
| Capital International Investors | 0.03% | Reduce -3.7% | 596,331 | $130.4M |
| Geode Capital Management, LLC | 0.01% | Add +5.2% | 463,787 | $101.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.02% | Add +5.1% | 452,547 | $99.0M |
| Channing Capital Management, LLC | 2.18% | Add +62.2% | 432,851 | $94.7M |
| Hood River Capital Management LLC | 0.66% | Add +11.3% | 414,304 | $90.6M |
| Dimensional Fund Advisors LP | 0.02% | Add +4.7% | 414,034 | $90.5M |
| William Blair Investment Management, LLC | 0.25% | Add +121.0% | 379,351 | $83.0M |
| Neuberger Berman Group LLC | 0.05% | Add +6.8% | 324,715 | $70.9M |
| T. Rowe Price Associates Inc. | 0.01% | Add +21.3% | 314,717 | $68.8M |
| Millennium Management | 0.05% | Add +584.4% | 298,480 | $65.3M |
| Invesco Ltd. | 0.00% | Reduce -29.5% | 263,207 | $57.6M |
| Primecap Management Co. | 0.03% | Add +5.5% | 258,180 | $56.5M |
| American Century Companies Inc. | 0.02% | Add +337.6% | 223,142 | $48.8M |
| Neumeier Poma Investment Counsel LLC | 3.33% | Add +16.2% | 222,515 | $48.7M |
| Clark Capital Management Group, Inc. | 0.26% | Reduce -19.1% | 218,913 | $47.9M |
| Systematic Financial Management LP | 0.94% | Reduce -1.4% | 216,098 | $47.3M |
| UBS Group AG | 0.01% | Add +55.1% | 210,866 | $46.1M |
| Van Eck Associates Corp. | 0.03% | Add +6.1% | 199,636 | $43.7M |
| Morgan Stanley | 0.00% | Reduce -5.9% | 197,990 | $43.3M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -3.6% | 193,801 | $42.4M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.05% | Reduce -17.4% | 192,062 | $41.9M |
| JPMorgan Chase & Co. | 0.00% | Add +9.8% | 189,751 | $40.6M |
| Ameriprise Financial Inc. | 0.01% | Add +97.0% | 185,377 | $40.5M |
| Northern Trust Corp. | 0.00% | Add +6.2% | 181,359 | $39.7M |
| Wellington Management Group LLP | 0.01% | Add +89.5% | 177,616 | $38.8M |
| Bank of America Corp. | 0.00% | Reduce -48.4% | 137,340 | $30.0M |
| Clearbridge Investments, LLC | 0.02% | Reduce -17.3% | 135,261 | $29.6M |
| Voya Investment Management LLC | 0.03% | Add +1276.4% | 125,194 | $27.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +59.3% | 119,675 | $26.2M |
| Nomura Asset Management International Inc. | 0.04% | Reduce -27.7% | 116,736 | $25.5M |
| Swedbank AB | 0.02% | Reduce -1.4% | 116,150 | $25.4M |
| Vanguard Fiduciary Trust Co. | 0.01% | Add +3.8% | 111,720 | $24.4M |
| New York State Common Retirement Fund | 0.03% | Add +52.0% | 108,672 | $23.8M |
| Oberweis Asset Management Inc./ | 0.48% | Add +0.5% | 107,143 | $23.4M |
| Principal Financial Group Inc. | 0.01% | Add +3.1% | 105,574 | $23.1M |
| Envestnet Asset Management Inc. | 0.01% | Add +4.1% | 104,535 | $22.9M |
| T. Rowe Price Investment Management, Inc. | 0.01% | New | 101,616 | $22.2M |
| Bank of New York Mellon Corp | 0.00% | Add +2.3% | 100,379 | $22.0M |
| Brown Advisory Inc. | 0.03% | Add +11.0% | 86,852 | $19.0M |
| Boston Partners | 0.02% | Reduce -5.1% | 82,102 | $17.8M |
| BNP Paribas Financial Markets | 0.01% | Reduce -18.2% | 80,052 | $17.5M |
| Asset Management One Co., Ltd. | 0.04% | Reduce -24.7% | 62,754 | $13.7M |
| Nuveen, LLC | 0.00% | Add +0.2% | 59,977 | $13.1M |
| Wells Fargo & Company | 0.00% | Add +17.5% | 59,655 | $13.0M |
| Prospect Capital Advisors, LLC | 5.72% | Add +16.5% | 57,640 | $12.6M |
| Public Sector Pension Investment Board | 0.03% | Reduce -3.9% | 53,240 | $11.6M |
| First Eagle Investment Management, LLC | 0.02% | Add +111.5% | 52,162 | $11.4M |
| Segall Bryant & Hamill, LLC | 0.13% | Add +1.8% | 48,751 | $10.7M |
| Mirova | 0.37% | Reduce -29.2% | 46,000 | $10.1M |
| Nordea Investment Management AB | 0.01% | Reduce -4.9% | 43,518 | $9.5M |
| First Trust Advisors LP | 0.01% | Add +6.2% | 42,085 | $9.2M |
| Rhumbline Advisers | 0.01% | Reduce -10.9% | 38,359 | $8.4M |
| Legal & General Group Plc | 0.00% | Reduce -1.6% | 37,031 | $8.1M |
| Robeco Schweiz AG | 0.13% | No change | 36,500 | $8.0M |
| PDT Partners, LLC | 0.40% | Reduce -17.1% | 34,904 | $7.6M |
| GHP Investment Advisors, Inc. | 0.28% | Add +4.8% | 34,798 | $7.6M |
| Bridge City Capital, LLC | 1.66% | Add +47.5% | 33,318 | $7.3M |
| Manatuck Hill Partners, LLC | 2.41% | Add +117.7% | 33,300 | $7.3M |
| Intrinsic Edge Capital Management LLC | 0.89% | Add +26.0% | 32,959 | $7.2M |
| Swiss National Bank | 0.00% | Reduce -1.6% | 31,380 | $6.9M |
| Stifel Financial Corp. | 0.01% | Add +0.7% | 29,166 | $6.4M |
| HRT Financial LP | 0.01% | Reduce -20.0% | 28,570 | $6.2M |
| Divisadero Street Capital Management, LP | 0.14% | New | 27,859 | $6.1M |
| Advisors Asset Management, Inc. | 0.09% | Add +7.8% | 25,735 | $5.6M |
| Alliancebernstein L.P. | 0.00% | Add +13.6% | 20,686 | $5.5M |
| LPL Financial LLC | 0.00% | Reduce -3.4% | 23,880 | $5.2M |
| Loomis Sayles & Co. L P | 0.01% | Reduce -88.1% | 22,774 | $5.0M |
| XTX Topco Ltd | 0.06% | New | 22,715 | $5.0M |
| Daiichi Life Insurance Co., Ltd. | 0.11% | Reduce -37.4% | 21,398 | $4.7M |
| Deutsche Bank AG | 0.00% | Add +15.3% | 21,267 | $4.7M |
| D. E. Shaw & Co. | 0.00% | Add +182.8% | 20,599 | $4.5M |
| Citigroup Inc. | 0.00% | Add +254.6% | 19,825 | $4.3M |
| Susquehanna Fundamental Investments, LLC | 0.08% | Add +707.9% | 19,422 | $4.2M |
| Stanley-Laman Group, Ltd. | 0.42% | Reduce -0.4% | 18,722 | $4.1M |
| Weiss Asset Management LP | 0.07% | New | 18,580 | $4.1M |
| California State Teachers Retirement System | 0.00% | Reduce -2.8% | 18,144 | $4.0M |
| Oak Ridge Investments LLC | 0.22% | Add +29.8% | 17,600 | $3.8M |
| AQR Capital Management | 0.00% | Reduce -8.2% | 17,540 | $3.8M |
| MML Investors Services, LLC | 0.01% | Add +31.7% | 16,729 | $3.7M |
| Chatham Capital Group, Inc. | 0.46% | Add +4.5% | 16,405 | $3.6M |
| Moody Aldrich Partners LLC | 0.64% | Reduce -10.2% | 16,368 | $3.6M |
| Prudential Financial Inc. | 0.00% | Add +1.2% | 16,064 | $3.5M |
| Hilton Capital Management, LLC | 0.23% | New | 15,476 | $3.4M |
| Moran Wealth Management, LLC | 0.09% | Add +4.6% | 15,352 | $3.4M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | Reduce -0.8% | 14,752 | $3.2M |
| State of Wisconsin Investment Board | 0.01% | Add +2.8% | 13,702 | $3.0M |
| Royal Bank of Canada | 0.00% | Reduce -0.7% | 13,120 | $2.9M |
| Trexquant Investment LP | 0.02% | New | 13,054 | $2.9M |
| Wedge Capital Management L L P | 0.05% | Add +7.9% | 13,052 | $2.9M |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -2.7% | 13,022 | $2.8M |
| Livforsakringsbolaget Skandia, Omsesidigt | 0.09% | No change | 12,900 | $2.8M |
| Credit Agricole S A | 0.01% | Reduce -50.5% | 12,446 | $2.7M |
| Bessemer Group Inc. | 0.00% | Reduce -2.3% | 12,413 | $2.7M |
| Wesbanco Bank Inc. | 0.07% | Add +48.0% | 12,327 | $2.7M |
"% of holder's portfolio" is OSIS's weight in each manager's 13F, not the share of Osi Systems Inc. the manager owns.