Robert Bruce's MRK Position Overview
Robert Bruce (via Bruce & Co., Inc.) currently holds 192,800 shares of Merck & Co., Inc. (MRK) worth $20.29 M, representing 6.29% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 51 quarters.
Based on 13F filings since 2013, Robert Bruce has maintained a long-term strategic position in MRK, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2018, adding 104,800 shares. Largest reduction occurred in Q3 2023, reducing 79,672 shares.
Analysis based on 13F filings available since 2013 Q2
Robert Bruce's Merck & Co (MRK) Holding Value Over Time
Track share changes against reported price movement
Quarterly Merck & Co (MRK) Trades by Robert Bruce
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2025 | -10,000 | Reduce 4.93% | 192,800 | $79.16 |
| Q1 2025 | -10,000 | Reduce 4.70% | 202,800 | $89.76 |
| Q4 2024 | -1,700 | Reduce 0.79% | 212,800 | $99.48 |
| Q3 2024 | -10,000 | Reduce 4.45% | 214,500 | $113.56 |
| Q2 2024 | +3,800 | Add 1.72% | 224,500 | $123.80 |
| Q3 2023 | -79,672 | Reduce 26.52% | 220,700 | $102.95 |
| Q1 2023 | -2,328 | Reduce 0.77% | 300,372 | $106.39 |
| Q4 2022 | -21,000 | Reduce 6.49% | 302,700 | $110.95 |
| Q3 2021 | -6,500 | Reduce 1.97% | 323,700 | $75.11 |
| Q2 2021 | -12,391 | Reduce 3.62% | 330,200 | $77.77 |
| Q3 2019 | +4,192 | Add 1.24% | 342,591 | $80.32 |
| Q2 2019 | -38,252 | Reduce 10.16% | 338,399 | $80.01 |
| Q1 2018 | +104,800 | Add 38.55% | 376,651 | $51.97 |
| Q4 2014 | -5,869 | Reduce 2.11% | 271,851 | $54.19 |
| Q3 2014 | +3,668 | Add 1.34% | 277,720 | $55.98 |
| Q2 2013 | +274,052 | Add 0.00% | 274,052 | $42.20 |
Robert Bruce's Merck & Co Investment FAQs
Robert Bruce first purchased Merck & Co., Inc. (MRK) in Q2 2013, acquiring 274,052 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Robert Bruce has held Merck & Co., Inc. (MRK) for 51 quarters since Q2 2013.
Robert Bruce's largest addition to Merck & Co., Inc. (MRK) was in Q2 2013, adding 274,052 shares worth $11.57 M.
According to the latest 13F filing for Q4 2025, Robert Bruce's firm, Bruce & Co., Inc., owns 192,800 shares of Merck & Co., Inc. (MRK), valued at approximately $20.29 M.
As of the Q4 2025 filing, Merck & Co., Inc. (MRK) represents approximately 6.29% of Robert Bruce's publicly disclosed stock portfolio, making it one of their key holdings.
Robert Bruce's peak holding in Merck & Co., Inc. (MRK) was 376,651 shares, as reported at the end of Q1 2018.