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Livermore
Livermore
ZHEN

Barr E S & Co

SEC CIK
0001040210
Latest filing
Aug 13, 2026

MRK holding history

Merck & Co., Inc. in every 13F filed by Barr E S & Co, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MRK overviewAll 13F holders of MRKFull Q2 2026 holdings

Shares (Q2 2026)
4,536
Value
$582.9K
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of MRK by Barr E S & Co, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20264,536$582.9K<0.1%00.0%UnchangedHolders
Q1 20264,536$545.6K<0.1%−5,050−52.7%ReducedHolders
Q4 20259,586$1.01M0.1%+5,523+135.9%AddedHolders
Q3 20254,063$341.0K<0.1%−1,101−21.3%ReducedHolders
Q2 20255,164$408.8K<0.1%−1,617−23.8%ReducedHolders
Q1 20256,781$608.7K<0.1%−1,402−17.1%ReducedHolders
Q4 20248,183$814.0K<0.1%+1,600+24.3%AddedHolders
Q3 20246,583$747.6K<0.1%+349+5.6%AddedHolders
Q2 20246,234$771.8K0.1%−416−6.3%ReducedHolders
Q1 20246,650$877.5K0.1%00.0%UnchangedHolders
Q4 20236,650$725.0K<0.1%+1,601+31.7%AddedHolders
Q3 20235,049$519.8K<0.1%−113−2.2%ReducedHolders
Q2 20235,162$595.6K<0.1%+500+10.7%AddedHolders
Q1 20234,662$496.0K<0.1%−250−5.1%ReducedHolders
Q4 20224,912$545.0K<0.1%00.0%UnchangedHolders
Q3 20224,912$423.0K<0.1%−300−5.8%ReducedHolders
Q2 20225,212$475.0K<0.1%−463−8.2%ReducedHolders
Q1 20225,675$466.0K<0.1%−900−13.7%ReducedHolders
Q4 20216,575$504.0K<0.1%00.0%UnchangedHolders
Q3 20216,575$494.0K<0.1%−296−4.3%ReducedHolders
Q2 20216,871$534.0K<0.1%+1,677+32.3%AddedHolders
Q1 20215,194$400.0K<0.1%––Holders

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