Warren Buffett's Berkshire Hathaway relased its 13F for the quarter ended Dec. 31, 2017. Below is a summary:

New Stakes
TEVA PHARMACEUTICAL INDUSTRIES (NYSE: TEVA) new 18,875,721 share position

Raised Stakes
Apple Inc. (NASDAQ: AAPL) raised from 134,092,782 shares to 165,333,962 shares
Bank of New York (NYSE: BK) raised from 50,229,588 shares to 60,818,783 shares
The Liberty SiriusXM Group (NASDAQ: LSXMA) raised from 14,860,360 shares to 31,090,985 shares
Monsanto Company (NYSE: MON) raised from 8,873,469 shares to 11,708,747 shares
U.S. Bancorp (NYSE: USB) raised from 85,063,167 shares to 87,058,877 shares

Lowered Stakes
AMERICAN AIRLINES (NASDAQ: AAL) lowered from 47,000,000 shares to 46,000,000 shares
General Motors (NYSE: GM) lowered from 60,000,000 shares to 50,000,000 shares
International Bus. Machines (NYSE: IBM) lowered from 37,026,698 shares to 2,048,045 shares
SANOFI (NYSE: SNY) lowered from 3,905,875 shares to 3,878,524 shares
Wells Fargo (NYSE: WFC) lowered from 464,232,268 shares to 458,232,268 shares

Liquidated Stakes

Maintained Stakes
American Express Co (NYSE: AXP) maintained 151,610,700 share stake
Axalta Coating Systems (NYSE: AXTA) maintained 23,324,000 share stake
Bank of America Corp (NYSE: BAC) maintained 679,000,000 share stake
CHARTER COMM-A (NASDAQ: CHTR) maintained 8,489,391 share stake
The Coca Cola Company (NYSE: KO) maintained 400,000,000 share stake
Costco Co. (NASDAQ: COST) maintained 4,333,363 share stake
DaVita Inc. (NYSE: DVA) maintained 38,565,570 share stake
Delta Air Lines (NYSE: DAL) maintained 53,110,395 share stake
Goldman Sachs Group (NYSE: GS) maintained 10,959,519 share stake
Graham Holdings Company (NYSE: GHC) maintained 107,575 share stake
Johnson & Johnson (NYSE: JNJ) maintained 327,100 share stake
Kraft Heinz (NASDAQ: KHC) maintained 325,634,818 share stake
LIBERTY GLOBAL -A- (NASDAQ: LBTYA) maintained 20,180,897 share stake
LIBERTY GLOBAL -C- (NASDAQ: LBTYK) maintained 7,346,968 share stake
Liberty LiLAC (NASDAQ: LILA) maintained 2,714,854 share stake
LiLAC Group (NASDAQ: LILAK) maintained 1,284,020 share stake
The Liberty SiriusXM Group (NASDAQ: LSXMA) maintained 14,860,360 share stake
M&T Bank Corp. (NYSE: MTB) maintained 5,382,040 share stake
Mastercard Inc. (NYSE: MA) maintained 4,934,756 share stake
Mondelez International (NASDAQ: MDLZ) maintained 578,000 share stake
Moody's Corp (NYSE: MCO) maintained 24,669,778 share stake
Phillips 66 (NYSE: PSX) maintained 80,689,892 share stake
Procter & Gamble (NYSE: PG) maintained 315,400 share stake
Restaurant Brands (NYSE: QSR) maintained 8,438,225 share stake
SIRIUS XM HLDGS (NASDAQ: SIRI) maintained 137,915,729 share stake
Southwest Airlines (NYSE: LUV) maintained 47,659,456 share stake
STORE Capital (NYSE: STOR) maintained 18,621,674 share stake
Synchrony Financial (NYSE: SYF) maintained 20,803,000 share stake
Torchmark Corp. (NYSE: TMK) maintained 6,353,727 share stake
USG CORPORATION (NYSE: USG) maintained 39,002,016 share stake
UNITED CONTINENTAL HOLDINGS, Inc. (NYSE: UAL) maintained 28,211,563 share stake
United Parcel Service (NYSE: UPS) maintained 59,400 share stake
Verisign Inc. (NASDAQ: VRSN) maintained 12,952,745 share stake
VERISK ANLYTCS-A (NASDAQ: VRSK) maintained 1,563,434 share stake
Verizon Communications (NYSE: VZ) maintained 928 share stake
Visa Inc. (NYSE: V) maintained 10,562,460 share stake
Wal-Mart Stores (NYSE: WMT) maintained 1,393,513 share stake