Warren Buffett - Berkshire Hathaway 13F Activity & Position Changes (Q3 2013)
As of Sep 30, 2013, the Berkshire Hathaway portfolio activity showed several notable changes in holdings, according to the latest SEC 13F filing reported on May 15, 2026. The activity included new positions, additions to existing holdings, reductions, and complete exits, providing a clear view of how the portfolio evolved during the quarter.
During Q3 2013, the filing reported:
New Buys - Exxon Mobil Corporation
Increases - The Bank of New York Mellon Cor, DaVita Inc., Suncor Energy Inc., U.S. Bancorp, VeriSign, Inc.
Reductions - ConocoPhillips, Sanofi
Complete Exits - None reported
These updates highlight how the portfolio adjusted across different sectors and market conditions, offering insights into allocation shifts and investment trends.
| Date | Symbol | Type | Change Qty |
|---|---|---|---|
|
Q3 2013
|
BK
The Bank of New York Mellon Cor
|
Buy |
+8,807
|
|
Q3 2013
|
COP
ConocoPhillips
|
Sell |
-10,594,641
|
|
Q3 2013
|
DVA
DaVita Inc.
|
Buy |
+16,472,924
|
|
Q3 2013
|
SNY
Sanofi
|
Sell |
-157,800
|
|
Q3 2013
|
SU
Suncor Energy Inc.
|
Buy |
+240,500
|
|
Q3 2013
|
USB
U.S. Bancorp
|
Buy |
+840,200
|
|
Q3 2013
|
VRSN
VeriSign, Inc.
|
Buy |
+64,100
|
|
Q3 2013
|
XOM
Exxon Mobil Corporation
|
Buy - Position Entry |
+40,089,371
|