OSI SYSTEMS INC OSIS
CIK 0001039065 · CUSIP 671044105
Quarter-end disclosures, not live holdings.
Top 20 institutions
Weight means this stock's share of the manager's own portfolio.
| # | Manager | Value | Manager weight | Change vs prior | Source | |
|---|---|---|---|---|---|---|
| 01 | BlackRock, Inc. CIK 2012383 · View history | $563.21M 2,504,708 shares | 0.01% | -54.62K(-2.10%)Reduced | SEC filing ↗ Aug 12, 2025 | ▾ |
| 02 | VANGUARD GROUP INC CIK 102909 · View history | $474.98M 2,112,338 shares | 0.01% | -690(0.00%)Reduced | SEC filing ↗ Aug 11, 2025 | ▾ |
| 03 | FMR LLC CIK 315066 · View history | $267.74M 1,190,679 shares | 0.02% | -4.53K(-0.40%)Reduced | SEC filing ↗ Aug 14, 2025 | ▾ |
| 04 | JANUS HENDERSON GROUP PLC CIK 1274173 · View history | $236.72M 1,052,726 shares | 0.12% | -182.23K(-14.80%)Reduced | SEC filing ↗ Aug 14, 2025 | ▾ |
| 05 | Capital International Investors CIK 1562230 · View history | $151.63M 674,343 shares | 0.03% | 0(0.00%)Unchanged | SEC filing ↗ Aug 13, 2025 | ▾ |
| 06 | STATE STREET CORP CIK 93751 · View history | $149.83M 666,308 shares | 0.01% | -60.34K(-8.30%)Reduced | SEC filing ↗ Aug 14, 2025 | ▾ |
| 07 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC CIK 861177 · View history | $129.46M 575,748 shares | 0.03% | -301.64K(-34.40%)Reduced | SEC filing ↗ Aug 14, 2025 | ▾ |
| 08 | Mawer Investment Management Ltd. CIK 1538449 · View history | $115.28M 512,656 shares | 0.58% | +51.63K(+11.20%)Added | SEC filing ↗ Aug 7, 2025 | ▾ |
| 09 | DIMENSIONAL FUND ADVISORS LP CIK 354204 · View history | $101.05M 449,410 shares | 0.02% | -141.36K(-23.90%)Reduced | SEC filing ↗ Aug 12, 2025 | ▾ |
| 10 | GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history | $85.71M 381,128 shares | 0.01% | +2.42K(+0.60%)Added | SEC filing ↗ Aug 8, 2025 | ▾ |
| 11 | Hood River Capital Management LLC CIK 1578177 · View history | $84.79M 377,061 shares | 1.18% | +3.90K(+1.00%)Added | SEC filing ↗ Aug 14, 2025 | ▾ |
| 12 | PRIMECAP MANAGEMENT CO/CA/ CIK 763212 · View history | $72.27M 321,420 shares | 0.06% | -12.91K(-3.90%)Reduced | SEC filing ↗ Aug 11, 2025 | ▾ |
| 13 | Invesco Ltd. CIK 914208 · View history | $71.79M 319,258 shares | 0.01% | +73.00K(+29.60%)Added | SEC filing ↗ Aug 13, 2025 | ▾ |
| 14 | BANK OF AMERICA CORP /DE/ CIK 70858 · View history | $71.12M 316,294 shares | 0.01% | +19.56K(+6.60%)Added | SEC filing ↗ Aug 14, 2025 | ▾ |
| 15 | NEUBERGER BERMAN GROUP LLC CIK 1465109 · Amended · View history | $69.24M 307,966 shares | 0.05% | -22.05K(-6.70%)Reduced | SEC filing ↗ Aug 25, 2025 | ▾ |
| 16 | SYSTEMATIC FINANCIAL MANAGEMENT LP CIK 1085936 · View history | $59.06M 262,654 shares | 1.58% | -1.35K(-0.50%)Reduced | SEC filing ↗ Aug 13, 2025 | ▾ |
| 17 | Clearbridge Investments, LLC CIK 1348883 · View history | $57.43M 255,418 shares | 0.05% | -44.62K(-14.90%)Reduced | SEC filing ↗ Aug 12, 2025 | ▾ |
| 18 | Clark Capital Management Group, Inc. CIK 1352187 · View history | $56.45M 251,050 shares | 0.39% | -118.42K(-32.10%)Reduced | SEC filing ↗ Aug 14, 2025 | ▾ |
| 19 | MILLENNIUM MANAGEMENT LLC CIK 1273087 · View history | $50.49M 224,523 shares | 0.05% | +224.52KNew | SEC filing ↗ Aug 14, 2025 | ▾ |
| 20 | VAN ECK ASSOCIATES CORP CIK 869178 · View history | $50.24M 223,442 shares | 0.06% | -2.56K(-1.10%)Reduced | SEC filing ↗ Aug 14, 2025 | ▾ |
Showing 20 / 341 institutions. The complete set is available through the API.
Coverage & totals by quarter
Reporting institutions by quarter
Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.
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