OSI Systems, Inc.
DE ˙ DB ˙ US6710441055
180,25 € ↓ -0,35 (-0,19%)
2026-06-04
CENA AKCJI
SecurityDE:OS2 / OSI Systems, Inc.
InstitutionBoston Partners
Latest Disclosed Ownership86,529 shares
Latest Disclosed Value $ 23,024,124
Boston Partners reports 12.29% increase in ownership of OS2 / OSI Systems, Inc.

On May 11, 2026 - Boston Partners filed a 13F-HR form disclosing ownership of 86,529 shares of OSI Systems, Inc. (DE:OS2) valued at $19,728,612 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 77,058 shares of OSI Systems, Inc.. This represents a change in shares of 12.29% during the quarter. The current value of the position is $15,596,852 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-11 2026-03-31 13F OSI SYSTEMS COM 671044105 86,529 9,471 12.29 23,024 15.14 0.0103
2026-02-13 2025-12-31 13F OSI SYSTEMS COM 671044105 77,058 -21,037 -21.45 19,997 -18.27 0.0207
2025-11-13 2025-09-30 13F OSI SYSTEMS COM 671044105 98,095 -157 -0.16 24,468 11.30 0.0251
2025-08-12 2025-06-30 13F/A-1 OSI SYSTEMS COM 671044105 98,252 1,825 1.89 21,982 17.96 0.0244
2025-08-07 2025-06-30 13F OSI SYSTEMS COM 671044105 98,252 1,825 21,982 0.0101
2025-05-13 2025-03-31 13F OSI SYSTEMS COM 671044105 96,427 -141,455 -59.46 18,635 -53.31 0.0225
2025-02-11 2024-12-31 13F OSI SYSTEMS COM 671044105 237,882 61,304 34.72 39,911 50.40 0.0485
2024-11-12 2024-09-30 13F OSI SYSTEMS COM 671044105 176,578 -8,269 -4.47 26,538 3.43 0.0313
2024-08-14 2024-06-30 13F OSI SYSTEMS COM 671044105 184,847 -8,707 -4.50 25,657 -6.05 0.0319
2024-05-28 2024-03-31 13F/A-1 OSI SYSTEMS COM 671044105 193,554 -1,055 -0.54 27,308 8.34 0.0325
2024-05-13 2024-03-31 13F OSI SYSTEMS COM 671044105 193,554 -1,055 27,308 0.0135
2024-02-07 2023-12-31 13F OSI SYSTEMS COM 671044105 194,609 -6,181 -3.08 25,204 9.08 0.0334
2023-11-08 2023-09-30 13F OSI SYSTEMS COM 671044105 200,790 -1,532 -0.76 23,108 -3.18 0.0320
2023-08-10 2023-06-30 13F OSI SYSTEMS COM 671044105 202,322 -6,231 -2.99 23,868 8.13 0.0321
2023-05-09 2023-03-31 13F OSI SYSTEMS COM 671044105 208,553 40,176 23.86 22,073 58.14 0.0303
2023-02-08 2022-12-31 13F OSI SYSTEMS COM 671044105 168,377 100,966 149.78 13,959 289.89 0.0189
2014-02-06 2013-12-31 13F OSI SYSTEMS COM 671044105 67,411 67,411 3,580 0.0073
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.