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Livermore
Livermore
ZHEN

S.A. Mason LLC

SEC CIK
0001800911
Latest filing
Jul 31, 2026

MRK holding history

Merck & Co., Inc. in every 13F filed by S.A. Mason LLC, 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)
4,968
Value
$638.3K
% of portfolio
0.2%
Quarters held
22
Since Q1 2021
Holdings of MRK by S.A. Mason LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20264,968$638.3K0.2%+8+0.2%AddedHolders
Q1 20264,960$596.6K0.2%+9+0.2%AddedHolders
Q4 20254,951$521.1K0.2%−10−0.2%ReducedHolders
Q3 20254,961$416.4K0.2%+11+0.2%AddedHolders
Q2 20254,950$391.8K0.2%−1,074−17.8%ReducedHolders
Q1 20256,024$540.7K0.3%+9+0.1%AddedHolders
Q4 20246,015$598.4K0.3%+7+0.1%AddedHolders
Q3 20246,008$682.3K0.4%+7+0.1%AddedHolders
Q2 20246,001$743.0K0.4%+306+5.4%AddedHolders
Q1 20245,695$751.5K0.5%+90+1.6%AddedHolders
Q4 20235,605$611.1K0.4%−388−6.5%ReducedHolders
Q3 20235,993$617.0K0.4%−21−0.3%ReducedHolders
Q2 20236,014$639.9K0.5%00.0%UnchangedHolders
Q1 20236,014$639.9K0.5%+66+1.1%AddedHolders
Q4 20225,948$659.9K0.5%+8+0.1%AddedHolders
Q3 20225,940$512.0K0.4%+7+0.1%AddedHolders
Q2 20225,933$541.0K0.4%−132−2.2%ReducedHolders
Q1 20226,065$498.0K0.3%+259+4.5%AddedHolders
Q4 20215,806$445.0K0.3%00.0%UnchangedHolders
Q3 20215,806$436.0K0.3%+988+20.5%AddedHolders
Q2 20214,818$375.0K0.3%+220+4.8%AddedHolders
Q1 20214,598$354.0K0.3%––Holders

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