Skip to main content
Livermore
Livermore
ZHEN

Vanguard Group Inc

SEC CIK
0000102909
Latest filing
Jan 29, 2026

MRK holding history

Merck & Co., Inc. in every 13F filed by Vanguard Group Inc, 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 Q4 2025 holdings

Shares (Q4 2025)
254,322,763
Value
$26.8B
% of portfolio
0.4%
Quarters held
20
Since Q1 2021
Holdings of MRK by Vanguard Group Inc, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 2025254,322,763$26.8B0.4%+2,185,853+0.9%AddedHolders
Q3 2025252,136,910$21.2B0.3%−777,516−0.3%ReducedHolders
Q2 2025252,914,426$20.0B0.3%+401,045+0.2%AddedHolders
Q1 2025252,513,381$22.7B0.4%+1,417,274+0.6%AddedHolders
Q4 2024251,096,107$25.0B0.4%+1,292,192+0.5%AddedHolders
Q3 2024249,803,915$28.4B0.5%+5,126,701+2.1%AddedHolders
Q2 2024244,677,214$30.3B0.6%+1,407,315+0.6%AddedHolders
Q1 2024243,269,899$32.1B0.6%−1,506,848−0.6%ReducedHolders
Q4 2023244,776,747$26.7B0.6%+1,236,228+0.5%AddedHolders
Q3 2023243,540,519$25.1B0.6%−99,6340.0%ReducedHolders
Q2 2023243,640,153$28.1B0.7%−304,970−0.1%ReducedHolders
Q1 2023243,945,123$26.0B0.7%+16,739,145+7.4%AddedHolders
Q4 2022227,205,978$25.2B0.7%+3,071,530+1.4%AddedHolders
Q3 2022224,134,448$19.3B0.6%+3,081,402+1.4%AddedHolders
Q2 2022221,053,046$20.2B0.6%+4,956,989+2.3%AddedHolders
Q1 2022216,096,057$17.7B0.4%+4,893,526+2.3%AddedHolders
Q4 2021211,202,531$16.2B0.4%+734,443+0.3%AddedHolders
Q3 2021210,468,088$15.8B0.4%−15,085,702−6.7%ReducedHolders
Q2 2021225,553,790$17.5B0.4%+347,861+0.2%AddedHolders
Q1 2021225,205,929$17.4B0.5%––Holders

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