Warren Buffett - Berkshire Hathaway
Holding/activity history for Pfizer Inc. (PFE)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2020 Q4 | 0 | 0 | Sell 100.00% | 0.06 | |
| 2020 Q3 | 3,711,780 | 0.06 | Buy | 0.06 | $36.70 |
Warren Buffett - Berkshire Hathaway
Holding/activity history for Pfizer Inc. (PFE)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2020 Q4 | 0 | 0 | Sell 100.00% | 0.06 | |
| 2020 Q3 | 3,711,780 | 0.06 | Buy | 0.06 | $36.70 |