ORGANON & CO (OGN) Institutional Ownership Changes & 13F Activity

ORGANON & CO (OGN) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Kahn Brothers Group, Sequoia Financial Advisors, Sound Shore Management, Renaissance Technologies LLC, and Miller Value Partners.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2021Miller Value PartnersBuy155,000155,000$5,082
Q3 2021Dodge & Cox Stock FundSell-4,98517,713$581
Q3 2021Kahn Brothers GroupSell-1,45870,164$2,300,678
Q3 2021Lountzis Asset ManagementBuy55$163
Q2 2021Sound Shore ManagementBuy2,452,2872,452,287$74,206
Q2 2021Berkshire HathawayBuy1,550,4811,550,481$46,918
Q2 2021Kahn Brothers GroupBuy71,62271,622$2,167,281
Q2 2021Dodge & Cox Stock FundBuy22,69822,698$686
Q2 2021Fairfax Financial HoldingsBuy17,29017,290$523

Frequently asked questions about OGN activity

  • Which institutional owners are buying OGN?

    Institutional owners buying OGN include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in OGN activity?

    "Buy" means an investor increased their reported position in OGN compared to the prior reporting period. This reflects growing exposure to ORGANON & CO (OGN) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in OGN increasing?

    Institutional interest in OGN can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.