Institutional Ownership
Osi Systems Inc
CUSIP 671044105COMOSISQ1 2026
13D / 13G Filings
32
Schedule 13D/13G on record
Beneficial Filers
8
Distinct reporting persons
Largest Stake
19.5%
Max % of class reported
Institutional Holders
362
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
32 filings · latest Feb 11, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 11, 2026 | Mawer Investment Management Ltd. | 13G/A | 4.7% | 803.6K | SEC |
| 2 | Jan 8, 2026 | Fmr LLC | 13G/A | 10.0% | 1.70M | SEC |
| 3 | Nov 14, 2025 | Janus Henderson Group PLC | 13G/A | 5.9% | 1.00M | SEC |
| 4 | Nov 12, 2025 | Mawer Investment Management Ltd. | 13G | 5.1% | 856.4K | SEC |
| 5 | Aug 14, 2025 | Janus Henderson Group PLC | 13G/A | 6.3% | 1.05M | SEC |
| 6 | Jul 18, 2025 | Blackrock, Inc. | 13G/A | 14.2% | 2.39M | SEC |
| 7 | May 14, 2025 | Janus Henderson Group PLC | 13G/A | 7.4% | 1.24M | SEC |
| 8 | May 12, 2025 | Fmr LLC | 13G/A | 7.3% | 1.24M | SEC |
| 9 | Feb 14, 2025 | Janus Henderson Group PLC | 13G/A | 7.4% | 1.23M | SEC |
| 10 | Feb 12, 2025 | Fmr LLC | 13G | 5.1% | 847.9K | SEC |
22 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Osi Systems Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 2.53M | $671.64M |
| 2 | Fmr LLC | 1.97M | $522.28M |
| 3 | Janus Henderson Group PLC | 772.3K | $205.06M |
| 4 | Mawer Investment Management Ltd. | 662.6K | $175.94M |
| 5 | State Street Corp | 662.1K | $175.81M |
| 6 | Capital International Investors | 619.5K | $164.48M |
| 7 | Geode Capital Management, LLC | 440.7K | $117.03M |
| 8 | Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas LLC | 430.6K | $114.32M |
| 9 | Dimensional Fund Advisors LP | 395.4K | $104.99M |
| 10 | Invesco Ltd. | 373.3K | $99.11M |