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Livermore
Livermore
ZHEN

S&CO Inc

SEC CIK
0001082461
Latest filing
Aug 6, 2026

CET holding history

Central Securities Corp in every 13F filed by S&CO Inc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

CET overviewAll 13F holders of CETFull Q2 2026 holdings

Shares (Q2 2026)
15,215
Value
$798.0K
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of CET by S&CO Inc, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202615,215$798.0K<0.1%−254−1.6%ReducedHolders
Q1 202615,469$768.0K<0.1%−40.0%ReducedHolders
Q4 202515,473$784.0K<0.1%+724+4.9%AddedHolders
Q3 202514,749$757.0K<0.1%00.0%UnchangedHolders
Q2 202514,749$705.0K<0.1%00.0%UnchangedHolders
Q1 202514,749$663.0K<0.1%−1,292−8.1%ReducedHolders
Q4 202416,041$732.0K<0.1%+518+3.3%AddedHolders
Q3 202415,523$711.0K<0.1%−2,670−14.7%ReducedHolders
Q2 202418,193$800.0K0.1%00.0%UnchangedHolders
Q1 202418,193$759.0K0.1%−1,395−7.1%ReducedHolders
Q4 202319,588$739.0K0.1%+837+4.5%AddedHolders
Q3 202318,751$664.0K0.1%00.0%UnchangedHolders
Q2 202318,751$684.0K0.1%00.0%UnchangedHolders
Q1 202318,751$652.0K0.1%00.0%UnchangedHolders
Q4 202218,751$626.0K0.1%+1,119+6.3%AddedHolders
Q3 202217,632$594.0K0.1%+44+0.3%AddedHolders
Q2 202217,588$619.0K0.1%−1,820−9.4%ReducedHolders
Q1 202219,408$803.0K0.1%−6,840−26.1%ReducedHolders
Q4 202126,248$1.17M0.1%+1,219+4.9%AddedHolders
Q3 202125,029$1.06M0.1%00.0%UnchangedHolders
Q2 202125,029$1.05M0.1%00.0%UnchangedHolders
Q1 202125,029$948.0K0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.