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Livermore
Livermore
ZHEN

Morgan Stanley

SEC CIK
0000895421
Latest filing
Aug 13, 2026

MRK holding history

Merck & Co., Inc. in every 13F filed by Morgan Stanley, 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)
48,641,158
Value
$6.25B
% of portfolio
0.3%
Quarters held
22
Since Q1 2021
Holdings of MRK by Morgan Stanley, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202648,641,158$6.25B0.3%+1,008,671+2.1%AddedHolders
Q1 202647,632,487$5.73B0.3%+2,686,466+6.0%AddedHolders
Q4 202544,946,021$4.73B0.3%+359,486+0.8%AddedHolders
Q3 202544,586,535$3.74B0.2%+385,841+0.9%AddedHolders
Q2 202544,200,694$3.50B0.2%+1,086,242+2.5%AddedHolders
Q1 202543,114,452$3.87B0.3%−1,069,247−2.4%ReducedHolders
Q4 202444,183,699$4.40B0.3%−208,123−0.5%ReducedHolders
Q3 202444,391,822$5.04B0.4%+2,174,461+5.2%AddedHolders
Q2 202442,217,361$5.23B0.4%+711,506+1.7%AddedHolders
Q1 202441,505,855$5.48B0.4%+1,376,030+3.4%AddedHolders
Q4 202340,129,825$4.37B0.4%+1,535,032+4.0%AddedHolders
Q3 202338,594,793$3.97B0.4%−572,824−1.5%ReducedHolders
Q2 202339,167,617$4.52B0.4%+122,796+0.3%AddedHolders
Q1 202339,044,821$4.15B0.4%−2,805,260−6.7%ReducedHolders
Q4 202241,850,081$4.64B0.5%+4,000,816+10.6%AddedHolders
Q3 202237,849,265$3.26B0.4%−126,218−0.3%ReducedHolders
Q2 202237,975,483$3.46B0.4%+12,483,322+49.0%AddedHolders
Q1 202225,492,161$2.09B0.3%−3,932,782−13.4%ReducedHolders
Q4 202129,424,943$2.26B0.3%+3,287,041+12.6%AddedHolders
Q3 202126,137,902$1.96B0.3%−151,594−0.6%ReducedHolders
Q2 202126,289,496$2.04B0.3%+3,832,086+17.1%AddedHolders
Q1 202122,457,410$1.73B0.3%––Holders

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