Jefferies Group's MRK Position Overview
Jefferies Group (via Jefferies Financial Group Inc.) currently holds 500,928 shares of Merck & Co., Inc. (MRK) worth $52.73 M, representing 0.27% of the portfolio. First purchased in 2022-Q4, this medium-term investment has been held for 13 quarters.
Based on 13F filings, Jefferies Group has maintained a strategic position in MRK, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2025, adding 277,608 shares. Largest reduction occurred in Q1 2025, reducing 172,362 shares.
Analysis based on 13F filings available since 2013 Q2
Jefferies Group's Merck & Co (MRK) Holding Value Over Time
Track share changes against reported price movement
Quarterly Merck & Co (MRK) Trades by Jefferies Group
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +277,608 | Add 124.31% | 500,928 | $105.26 |
| Q3 2025 | +90,832 | Add 68.56% | 223,320 | $83.93 |
| Q2 2025 | -2,431 | Reduce 1.80% | 132,488 | $79.16 |
| Q1 2025 | -172,362 | Reduce 56.09% | 134,919 | $89.76 |
| Q4 2024 | +161,426 | Add 110.68% | 307,281 | $99.48 |
| Q3 2024 | +36,835 | Add 33.79% | 145,855 | $113.56 |
| Q2 2024 | -118,379 | Reduce 52.06% | 109,020 | $123.80 |
| Q1 2024 | +54,501 | Add 31.52% | 227,399 | $131.95 |
| Q4 2023 | +58,930 | Add 51.71% | 172,898 | $109.02 |
| Q3 2023 | +106,270 | Add 1380.49% | 113,968 | $102.95 |
| Q2 2023 | +3,550 | Add 85.58% | 7,698 | $115.39 |
| Q1 2023 | -29,755 | Reduce 87.77% | 4,148 | $106.39 |
| Q4 2022 | +33,903 | New Buy | 33,903 | $110.95 |
Jefferies Group's Merck & Co Investment FAQs
Jefferies Group first purchased Merck & Co., Inc. (MRK) in Q4 2022, acquiring 33,903 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Jefferies Group has held Merck & Co., Inc. (MRK) for 13 quarters since Q4 2022.
Jefferies Group's largest addition to Merck & Co., Inc. (MRK) was in Q4 2025, adding 500,928 shares worth $52.73 M.
According to the latest 13F filing for Q4 2025, Jefferies Group's firm, Jefferies Financial Group Inc., owns 500,928 shares of Merck & Co., Inc. (MRK), valued at approximately $52.73 M.
As of the Q4 2025 filing, Merck & Co., Inc. (MRK) represents approximately 0.27% of Jefferies Group's publicly disclosed stock portfolio, making it one of their key holdings.
Jefferies Group's peak holding in Merck & Co., Inc. (MRK) was 500,928 shares, as reported at the end of Q4 2025.