MRK Merck & Co Inc COM

Ownership history in Ruffer LLP  ·  31 quarters on record

This page tracks every 13F SEC filing in which Ruffer LLP reported a position in Merck & Co Inc COM (MRK). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
15.39% (2011 Q4)
Avg. % of fund
2.64%
First filed
2007 Q4
Last filed
2025 Q3
Quarters held
31
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 368,848 +277,916 +305.6% 1.72% $31.0M $82.61
2025 Q2 ADDED 90,932 +205 +0.2% 0.32% $7.2M $77.15
2025 Q1 ADDED 90,727 +18,055 +24.8% 0.31% $8.1M $86.61
2024 Q4 ADDED 72,672 +60,743 +509.2% 0.26% $7.2M $95.17
2017 Q3 REDUCED 11,929 -4,755 -28.5% 0.03% $764K $46.97
2017 Q2 REDUCED 16,684 -103 -0.6% 0.05% $1.1M $46.68
2017 Q1 REDUCED 16,787 -113 -0.7% 0.06% $1.1M $45.94
2016 Q4 REDUCED 16,900 -300 -1.7% 0.06% $1.0M $42.26
2016 Q3 ADDED 17,200 +1,365 +8.6% 0.06% $1.1M $44.46
2016 Q2 REDUCED 15,835 -820 -4.9% 0.04% $912K $40.74
21 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    MRK price (monthly, adj. close)
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