Guy Spier - Aquamarine Capital
Holding/activity history for POSCO (PKX)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2018 Q3 | 0 | 0 | Sell 100.00% | 0.04 | |
| 2018 Q2 | 1,281 | 0.04 | Reduce 93.60% | 0.58 | $74.16 |
| 2018 Q1 | 20,000 | 0.76 | Reduce 55.56% | 0.95 | $78.85 |
| 2017 Q4 | 45,000 | 1.68 | Reduce 35.71% | 0.93 | $78.13 |
| 2017 Q3 | 70,000 | 2.47 | $69.40 | ||
| 2017 Q2 | 70,000 | 2.67 | $62.59 | ||
| 2017 Q1 | 70,000 | 2.78 | $64.50 | ||
| 2016 Q4 | 70,000 | 2.47 | $52.56 | ||
| 2016 Q3 | 70,000 | 2.85 | $51.09 | ||
| 2016 Q2 | 70,000 | 2.81 | $44.50 | ||
| 2016 Q1 | 70,000 | 2.81 | $47.33 | ||
| 2015 Q4 | 70,000 | 1.98 | $35.36 | ||
| 2015 Q3 | 70,000 | 2.04 | $35.01 | ||
| 2015 Q2 | 70,000 | 2.39 | $48.94 | ||
| 2015 Q1 | 70,000 | 3.00 | $54.66 | ||
| 2014 Q4 | 70,000 | 3.22 | $63.81 |