Viking Global Investors as of Dec. 31, 2012
Portfolio Holdings for Viking Global Investors
Viking Global Investors holds 0 positions in its portfolio as reported in the December 2012 quarterly 13F filing
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VALUE SHRS OR SH/ PUT/ INVSTMT OTH VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP X($1000) PRN AMT PRN CALL DSCRETN MGR SOLE SHARED NONE
ACE LTD SHS H0023R105 439,126 5,502,835 SH SOLE 5502835
AMERICAN INTL GROUP INC COM NEW 026874784 225,618 6,391,462 SH SOLE 6391462
ALEXION PHARMACEUTICALS INC COM 015351109 376,295 4,014,242 SH SOLE 4014242
AMERICAN TOWER CORP NEW COM 03027X100 233,844 3,026,330 SH SOLE 3026330
AUTOZONE INC COM 053332102 206,561 582,800 SH SOLE 582800
RESEARCH IN MOTION LTD COM 760975102 189,703 15,981,784 SH SOLE 15981784
BIOGEN IDEC INC COM 09062X103 398,998 2,725,961 SH SOLE 2725961
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 206,686 2,304,200 SH SOLE 2304200
CITIGROUP INC COM NEW 172967424 213,728 5,402,650 SH SOLE 5402650
CARDINAL HEALTH INC COM 14149Y108 88,365 2,145,834 SH SOLE 2145834
CROWN CASTLE INTL CORP COM 228227104 382,243 5,297,165 SH SOLE 5297165
COLFAX CORP COM 194014106 132,748 3,289,934 SH SOLE 3289934
COMCAST CORP NEW CL A 20030N101 157,222 4,208,300 SH SOLE 4208300
CAPITAL ONE FINL CORP COM 14040H105 791,821 13,668,594 SH SOLE 13668594
CEPHEID COM 15670R107 84,826 2,505,210 SH SOLE 2505210
CARTER INC COM 146229109 208,069 3,738,900 SH SOLE 3738900
CTRIP COM INTL LTD AMERICAN DEP S 22943F100 37,770 1,666,827 SH SOLE 1666827
CATAMARAN CORP COM 148887102 32,642 693,049 SH SOLE 693049
DOLLAR GEN CORP NEW COM 256677105 22,446 509,100 SH SOLE 509100
DANAHER CORP DEL COM 235851102 803,913 14,381,274 SH SOLE 14381274
DAVITA HEALTHCARE PARTNERS I COM 23918K108 222,909 2,016,734 SH SOLE 2016734
LAUDER ESTEE COS INC CL A 518439104 482,378 8,058,449 SH SOLE 8058449
E M C CORP MASS COM 268648102 117,045 4,626,300 SH SOLE 4626300
EASTMAN CHEM CO COM 277432100 411,776 6,051,085 SH SOLE 6051085
EQUINIX INC COM NEW 29444U502 193,226 937,081 SH SOLE 937081
EQT CORP COM 26884L109 121,705 2,063,500 SH SOLE 2063500
GRACE W R & CO DEL NEW COM 38388F108 80,574 1,198,494 SH SOLE 1198494
BLOCK H & R INC COM 093671105 426,806 22,983,678 SH SOLE 22983678
HUMANA INC COM 444859102 242,320 3,530,829 SH SOLE 3530829
HUNTSMAN CORP COM 447011107 21,546 1,355,100 SH SOLE 1355100
ICICI BK LTD ADR 45104G104 52,201 1,197,000 SH SOLE 1197000
INTUITIVE SURGICAL INC COM NEW 46120E602 401,415 818,598 SH SOLE 818598
MICHAEL KORS HLDGS LTD SHS G60754101 116,103 2,275,200 SH SOLE 2275200
LAS VEGAS SANDS CORP COM 517834107 273,248 5,919,605 SH SOLE 5919605
LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 430,628 7,542,972 SH SOLE 7542972
MASTERCARD INC CL A 57636Q104 271,560 552,762 SH SOLE 552762
MEDNAX INC COM 58502B106 4,771 60,000 SH SOLE 60000
MEDIVATION INC COM 58501N101 171,652 3,355,218 SH SOLE 3355218
MARSH & MCLENNAN COS INC COM 571748102 53,916 1,564,159 SH SOLE 1564159
MOSAIC CO NEW COM 61945C103 16,142 285,048 SH SOLE 285048
NEWELL RUBBERMAID INC COM 651229106 3,304 148,400 SH SOLE 148400
NEWS CORP CL A 65248E104 874,871 34,295,229 SH SOLE 34295229
ONCOTHYREON INC COM 682324108 6,453 3,361,315 SH SOLE 3361315
PRUDENTIAL FINL INC COM 744320102 12,041 225,800 SH SOLE 225800
QUALCOMM INC COM 747525103 708,263 11,449,533 SH SOLE 11449533
SHERWIN WILLIAMS CO COM 824348106 123,941 805,757 SH SOLE 805757
SCHLUMBERGER LTD COM 806857108 276,180 3,985,860 SH SOLE 3985860
SANDISK CORP COM 80004C101 194,980 4,482,305 SH SOLE 4482305
STATE STR CORP COM 857477103 146,704 3,120,700 SH SOLE 3120700
SOUTHWESTERN ENERGY CO COM 845467109 108,904 3,259,637 SH SOLE 3259637
TRANSDIGM GROUP INC COM 893641100 9,272 68,000 SH SOLE 68000
TENET HEALTHCARE CORP COM NEW 88033G407 27,940 860,500 SH SOLE 860500
TIBCO SOFTWARE INC COM 88632Q103 57,185 2,601,700 SH SOLE 2601700
TIME WARNER INC COM NEW 887317303 935,770 19,564,518 SH SOLE 19564518
UNIVERSAL HLTH SVCS INC CL B 913903100 101,868 2,106,894 SH SOLE 2106894
VISA INC COM CL A 92826C839 525,026 3,463,694 SH SOLE 3463694
VIRGIN MEDIA INC COM 92769L101 74,021 2,014,200 SH SOLE 2014200
VERISK ANALYTICS INC CL A 92345Y106 41,842 820,917 SH SOLE 820917
VALEANT PHARMACEUTICALS INTL COM 91911K102 231,872 3,879,419 SH SOLE 3879419
WILLIAMS COS INC DEL COM 969457100 636,622 19,444,793 SH SOLE 19444793
S REPORT SUMMARY 60 # OF DATA RECORDS