OSI SYSTEMS INC (OSIS) Institutional Ownership and Insiders Activity

OSI SYSTEMS INC (OSIS) is widely held by institutional investors, with 355 firms reporting positions valued at approximately $4.15B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $558.13M in OSIS holdings in its latest filing.

Recent insider activity includes 50 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.