ORGANON & CO (OGN) Institutional Ownership and Insiders Activity

ORGANON & CO (OGN) is widely held by institutional investors, with 604 firms reporting positions valued at approximately $2.91B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $434.05M in OGN holdings in its latest filing.

Recent insider activity includes 3 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.