Warren Buffett first began purchasing shares of PetroChina (PTR) sometime in 2002 (because it was on a foreign exchange, we don't know the exact date), and filed his first 13G on April 30, 2003.
PetroChina: A Look Back
PetroChina: A Look Back
PetroChina: A Look Back
Warren Buffett first began purchasing shares of PetroChina (PTR) sometime in 2002 (because it was on a foreign exchange, we don't know the exact date), and filed his first 13G on April 30, 2003.