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Livermore
Livermore
ZHEN

Boston Partners

SEC CIK
0001386060
Latest filing
Aug 4, 2026

MRK holding history

Merck & Co., Inc. in every 13F filed by Boston Partners, 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)
629,240
Value
$80.8M
% of portfolio
0.1%
Quarters held
22
Since Q1 2021
Holdings of MRK by Boston Partners, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026629,240$80.8M0.1%−12,526−2.0%ReducedHolders
Q1 2026641,766$77.5M0.1%−26,956−4.0%ReducedHolders
Q4 2025668,722$70.4M0.1%−34,160−4.9%ReducedHolders
Q3 2025702,882$59.0M0.1%−61,111−8.0%ReducedHolders
Q2 2025763,993$60.5M0.1%−9,142−1.2%ReducedHolders
Q1 2025773,135$69.4M0.1%−3,658−0.5%ReducedHolders
Q4 2024776,793$77.3M0.1%−436,367−36.0%ReducedHolders
Q3 20241,213,160$137.7M0.2%−7,931−0.6%ReducedHolders
Q2 20241,221,091$151.2M0.2%−39,489−3.1%ReducedHolders
Q1 20241,260,580$166.3M0.2%−34,684−2.7%ReducedHolders
Q4 20231,295,264$141.3M0.2%−95,976−6.9%ReducedHolders
Q3 20231,391,240$143.2M0.2%−52,937−3.7%ReducedHolders
Q2 20231,444,177$166.6M0.2%−133,036−8.4%ReducedHolders
Q1 20231,577,213$167.9M0.2%−36,290−2.2%ReducedHolders
Q4 20221,613,503$179.0M0.2%−101,192−5.9%ReducedHolders
Q3 20221,714,695$147.8M0.2%−101,950−5.6%ReducedHolders
Q2 20221,816,645$165.6M0.2%−68,838−3.7%ReducedHolders
Q1 20221,885,483$154.7M0.2%−57,297−2.9%ReducedHolders
Q4 20211,942,780$148.9M0.2%−846,752−30.4%ReducedHolders
Q3 20212,789,532$209.6M0.3%+151,945+5.8%AddedHolders
Q2 20212,637,587$205.1M0.3%+155,564+6.3%AddedHolders
Q1 20212,482,023$191.3M0.3%––Holders

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