Sarah Ketterer's MRK Position Overview
Sarah Ketterer (via Causeway Capital Management LLC) currently holds 1.04 M shares of Merck & Co., Inc. (MRK) worth $109.96 M, representing 1.51% of the portfolio. First purchased in 2019-Q1, this medium-term investment has been held for 12 quarters.
Based on 13F filings, Sarah Ketterer has maintained a strategic position in MRK, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2024, adding 584,473 shares. Largest reduction occurred in Q3 2020, reducing 853,150 shares.
Analysis based on 13F filings available since 2013 Q2
Sarah Ketterer's Merck & Co (MRK) Holding Value Over Time
Track share changes against reported price movement
Quarterly Merck & Co (MRK) Trades by Sarah Ketterer
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -89,440 | Reduce 7.89% | 1.04 M | $105.26 |
| Q3 2025 | +151,397 | Add 15.41% | 1.13 M | $83.93 |
| Q2 2025 | +84,791 | Add 9.44% | 982,660 | $79.16 |
| Q1 2025 | +313,396 | Add 53.62% | 897,869 | $89.76 |
| Q4 2024 | +584,473 | New Buy | 584,473 | $99.48 |
| Q3 2020 | -853,150 | Sold Out | 0 | $0.00 |
| Q2 2020 | -671,734 | Reduce 44.05% | 853,150 | $73.79 |
| Q1 2020 | -330,191 | Reduce 17.80% | 1.52 M | $73.42 |
| Q4 2019 | -62,330 | Reduce 3.25% | 1.86 M | $86.78 |
| Q3 2019 | +72,867 | Add 3.95% | 1.92 M | $80.32 |
| Q2 2019 | +17,906 | Add 0.98% | 1.84 M | $80.01 |
| Q1 2019 | +1.83 M | New Buy | 1.83 M | $79.36 |
Sarah Ketterer's Merck & Co Investment FAQs
Sarah Ketterer first purchased Merck & Co., Inc. (MRK) in Q1 2019, acquiring 1,826,632 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Sarah Ketterer has held Merck & Co., Inc. (MRK) for 12 quarters since Q1 2019.
Sarah Ketterer's largest addition to Merck & Co., Inc. (MRK) was in Q1 2019, adding 1,826,632 shares worth $144.96 M.
According to the latest 13F filing for Q4 2025, Sarah Ketterer's firm, Causeway Capital Management LLC, owns 1,044,617 shares of Merck & Co., Inc. (MRK), valued at approximately $109.96 M.
As of the Q4 2025 filing, Merck & Co., Inc. (MRK) represents approximately 1.51% of Sarah Ketterer's publicly disclosed stock portfolio, making it one of their key holdings.
Sarah Ketterer's peak holding in Merck & Co., Inc. (MRK) was 1,917,405 shares, as reported at the end of Q3 2019.