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Livermore
Livermore
ZHEN

First Manhattan Co

SEC CIK
0000728083
Latest filing
Aug 14, 2026

OGN holding history

Organon & Co. in every 13F filed by First Manhattan Co, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

OGN overviewAll 13F holders of OGNFull Q2 2026 holdings

Shares (Q2 2026)
504,647
Value
$6.83M
% of portfolio
<0.1%
Quarters held
21
Since Q2 2021
Holdings of OGN by First Manhattan Co, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026504,647$6.83M<0.1%−445,525−46.9%ReducedHolders
Q1 2026950,172$5.69M<0.1%+939,871+9,124.1%AddedHolders
Q4 202510,301$73.9K<0.1%−137−1.3%ReducedHolders
Q3 202510,438$111.5K<0.1%−4,810−31.5%ReducedHolders
Q2 202515,248$147.6K<0.1%−3,713−19.6%ReducedHolders
Q1 202518,961$282.3K<0.1%−4,026−17.5%ReducedHolders
Q4 202422,987$343.0K<0.1%−488−2.1%ReducedHolders
Q3 202423,475$449.1K<0.1%−1,476−5.9%ReducedHolders
Q2 202424,951$516.5K<0.1%−31,187−55.6%ReducedHolders
Q1 202456,138$1.06M<0.1%−5,360−8.7%ReducedHolders
Q4 202361,498$887.1K<0.1%−172,090−73.7%ReducedHolders
Q3 2023233,588$4.06M<0.1%−17,753−7.1%ReducedHolders
Q2 2023251,341$5.23M<0.1%+219,021+677.7%AddedHolders
Q1 202332,320$760.2K<0.1%+19,898+160.2%AddedHolders
Q4 202212,422$347.0K<0.1%−378−3.0%ReducedHolders
Q3 202212,800$299.0K<0.1%−503−3.8%ReducedHolders
Q2 202213,303$449.0K<0.1%−260−1.9%ReducedHolders
Q1 202213,563$473.0K<0.1%−175−1.3%ReducedHolders
Q4 202113,738$418.0K<0.1%−327−2.3%ReducedHolders
Q3 202114,065$461.0K<0.1%−1,265−8.3%ReducedHolders
Q2 202115,330$463.0K<0.1%+15,330NewHolders