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 |