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Livermore
Livermore
ZHEN

First Manhattan Co

SEC CIK
0000728083
Latest filing
Aug 14, 2026

MRK holding history

Merck & Co., Inc. 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.

MRK overviewAll 13F holders of MRKFull Q2 2026 holdings

Shares (Q2 2026)
158,760
Value
$20.5M
% of portfolio
0.1%
Quarters held
22
Since Q1 2021
Holdings of MRK by First Manhattan Co, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026158,760$20.5M0.1%+4,293+2.8%AddedHolders
Q1 2026154,467$18.7M0.1%−2,110−1.3%ReducedHolders
Q4 2025156,577$16.6M<0.1%+13,999+9.8%AddedHolders
Q3 2025142,578$12.1M<0.1%−5,450−3.7%ReducedHolders
Q2 2025148,028$11.8M<0.1%−28,704−16.2%ReducedHolders
Q1 2025176,732$16.0M<0.1%−16,659−8.6%ReducedHolders
Q4 2024193,391$19.5M0.1%−16,728−8.0%ReducedHolders
Q3 2024210,119$24.0M0.1%−738−0.4%ReducedHolders
Q2 2024210,857$26.3M0.1%+2,776+1.3%AddedHolders
Q1 2024208,081$27.5M0.1%−2,425−1.2%ReducedHolders
Q4 2023210,506$23.0M0.1%−6,449−3.0%ReducedHolders
Q3 2023216,955$22.3M0.1%−5,219−2.3%ReducedHolders
Q2 2023222,174$25.6M0.1%−6,889−3.0%ReducedHolders
Q1 2023229,063$24.4M0.1%−8,321−3.5%ReducedHolders
Q4 2022237,384$26.3M0.1%−1,359−0.6%ReducedHolders
Q3 2022238,743$20.6M0.1%−7,911−3.2%ReducedHolders
Q2 2022246,654$22.5M0.1%−8,685−3.4%ReducedHolders
Q1 2022255,339$20.9M0.1%−4,572−1.8%ReducedHolders
Q4 2021259,911$19.9M0.1%−2,566−1.0%ReducedHolders
Q3 2021262,477$19.7M0.1%−5,029−1.9%ReducedHolders
Q2 2021267,506$20.8M0.1%+6,812+2.6%AddedHolders
Q1 2021260,694$20.1M0.1%––Holders

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