Bill Nygren - Harris Associates L P
Holding/activity history for Merck & Co. (MRK)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026 Q1 | 12,366,933 | 1.99 | Reduce 12.22% | 0.23 | $120.29 | $1,487,618,401 | SEC |
| 2025 Q4 | 14,088,705 | 1.88 | Add 43.42% | 0.57 | $105.26 | $1,482,977,135 | SEC |
| 2025 Q3 | 9,823,608 | 1.32 | Add 7.58% | 0.09 | $83.93 | $824,495,446 | SEC |
| 2025 Q2 | 9,131,318 | 1.18 | Add 22.25% | 0.21 | $79.16 | $722,835,143 | SEC |
| 2025 Q1 | 7,469,360 | 1.13 | Add 19.62% | 0.19 | $89.76 | $670,449,735 | SEC |
| 2024 Q4 | 6,244,450 | 1.03 | Add 112.18% | 0.54 | $99.48 | $621,197,913 | SEC |
| 2024 Q3 | 2,943,021 | 0.55 | Buy | 0.55 | $113.56 | $334,209,437 | SEC |
| 2015 Q2 | 0 | 0.00 | Sell 100.00% | <0.01 | SEC | ||
| 2015 Q1 | 23,835 | <0.01 | Add 18.24% | <0.01 | $57.48 | $1,370,000 | SEC |
| 2014 Q4 | 20,158 | <0.01 | Add 3.48% | <0.01 | $56.80 | $1,145,000 | SEC |
| 2014 Q3 | 19,480 | <0.01 | $59.29 | $1,155,000 | SEC | ||
| 2014 Q2 | 19,480 | <0.01 | Reduce 58.56% | <0.01 | $57.85 | $1,127,000 | SEC |
| 2014 Q1 | 47,008 | <0.01 | Reduce 97.39% | 0.17 | $56.78 | $2,669,000 | SEC |
| 2013 Q4 | 1,800,949 | 0.17 | Add 6.80% | 0.01 | $50.05 | $90,137,000 | SEC |
| 2013 Q3 | 1,686,269 | 0.16 | Add 0.14% | <0.01 | $47.61 | $80,283,000 | SEC |
| 2013 Q2 | 1,683,903 | 0.17 | Reduce 0.07% | <0.01 | $46.45 | $78,217,000 | SEC |
| 2013 Q1 | 1,685,103 | 0.17 | $44.23 | $74,532,000 | SEC | ||
| 2012 Q4 | 1,685,103 | 0.17 | Reduce 0.63% | <0.01 | $40.94 | $68,988,000 | SEC |
| 2012 Q3 | 1,695,712 | 0.19 | Reduce 43.41% | 0.14 | $45.10 | $76,477,000 | SEC |
| 2012 Q2 | 2,996,588 | 0.33 | Add 0.13% | <0.01 | $41.75 | $125,108,000 | SEC |
| 2012 Q1 | 2,992,687 | 0.32 | Add 0.92% | <0.01 | $38.40 | $114,919,000 | SEC |
| 2011 Q4 | 2,965,281 | 0.37 | Reduce 5.95% | 0.02 | $37.70 | $111,791,000 | SEC |
| 2011 Q3 | 3,152,905 | 0.38 | Reduce 41.48% | 0.22 | $32.71 | $103,132,000 | SEC |
| 2011 Q2 | 5,387,860 | 0.54 | Add 4.50% | 0.02 | $30.20 | $162,725,000 | SEC |
| 2011 Q1 | 5,155,726 | 0.49 | Add 210.17% | 0.33 | $28.56 | $147,265,000 | SEC |
| 2010 Q4 | 1,662,205 | 0.19 | Reduce 0.02% | <0.01 | $36.04 | $59,906,000 | SEC |
| 2010 Q3 | 1,662,563 | 0.31 | Add 0.06% | <0.01 | $36.81 | $61,199,000 | SEC |
| 2010 Q2 | 1,661,590 | 0.26 | Add 0.02% | <0.01 | $34.97 | $58,106,000 | SEC |
| 2010 Q1 | 1,661,190 | 0.23 | Reduce 2.24% | <0.01 | $37.35 | $62,045,000 | SEC |
| 2009 Q4 | 1,699,232 | 0.25 | Buy | 0.25 | $36.54 | $62,090,000 | SEC |