Warren Buffett Accumulates NRG Energy, Ingersoll-Rand and Union Pacific [View article]
Berkshire also made a confidential filing with the SEC regarding its stake COP, as reported by Reuters.
The SEC regularly lets Buffett delay disclosing some of his investing activity so others cannot copy him. So you're not accurate by saying he reduced his stake to 0 in cop.
Warren Buffett Accumulates NRG Energy, Ingersoll-Rand and Union Pacific [View article]
The SEC regularly lets Buffett delay disclosing some of his investing activity so others cannot copy him.
So you're not accurate by saying he reduced his stake to 0 in cop.