13F-HR 1 v13fnovembr152006.txt 13F-HR 11/15/06 0001103804 fpcr*iv4 NONE 1 Carl Casler 203-863-5039 ccasler@vikingglobal.com 13F-HR Form 13F Holdings Report UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: September 30, 2006 This amendment (Check only one.): [ ] is a restatement. [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Viking Global Investors, L.P. Address: 55 Railroad Avenue, Greenwich, CT 06830 13 File Number: The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct, and complete, and and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form Person Signing this Report on Behalf of Reporting Manager: Name: Brian Smith Title: Chief Financial Officer Phone: 203-863-5030 Signature, Place and Date of Signing: Greenwich, CT Brian Smith November 15, 2006 Report Type (Check only one.): [ X] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934 FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 107 Form 13F Information Table Value Total: 4,113,986 TITLE OF VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER CLASS Cusip X($1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ACE Aviation Holdings Inc COMMON STOCK 00440P201 20736 600000 SH SOLE 600000 Adventrx Pharmaceuticals COMMON STOCK 00764X103 4384 1600000 SH SOLE 1600000 Aeroplan Income Fund COMMON STOCK 007861107 20103 1340200 SH SOLE 1340200 AFLAC Inc COMMON STOCK 001055102 6040 132000 SH SOLE 132000 Alliance Holdings GP LP COMMON STOCK 01861G100 4113 213000 SH SOLE 213000 Allied Waste COMMON STOCK 019589308 19722 1750000 SH SOLE 1750000 Allstate Corp. COMMON STOCK 020002101 16435 262000 SH SOLE 262000 Alltel Corp COMMON STOCK 020039103 87850 1582900 SH SOLE 1582900 American Oriental Bioengineering COMMON STOCK 028731107 522 86000 SH SOLE 86000 Aon Corp COMMON STOCK 037389103 40027 1181800 SH SOLE 1181800 Automatic Data Processing COMMON STOCK 053015103 84828 1791900 SH SOLE 1791900 Bank of America Corp. COMMON STOCK 060505104 28874 539000 SH SOLE 539000 Bankers Petroleum COMMON STOCK 066286105 3850 7000000 SH SOLE 7000000 Bare Escentuals Inc COMMON STOCK 067511105 6353 234000 SH SOLE 234000 BP Prudhoe Bay Royalty Trust COMMON STOCK 055630107 2087 28400 SH SOLE 28400 Cardinal Health INC COMMON STOCK 14149Y108 262 4000 SH SOLE 4000 CB Richard Ellis Group Inc COMMON STOCK 12497T101 12250 498000 SH SOLE 498000 Celanese Corp COMMON STOCK 150870103 20585 1150000 SH SOLE 1150000 Champion Enterprises Inc COMMON STOCK 158496109 22080 3200000 SH SOLE 3200000 Charles River Laboratories COMMON STOCK 159864107 76067 1752300 SH SOLE 1752300 Chart Industries Inc COMMON STOCK 16115Q308 7386 600000 SH SOLE 600000 Charter Communications COMMON STOCK 16117M107 304 200000 SH SOLE 200000 Choicepoint Inc COMMON STOCK 170388102 8735 244000 SH SOLE 244000 CMGI Inc. COMMON STOCK 125750109 1 1463 SH SOLE 1463 Coach Inc. COMMON STOCK 189754104 186623 5425100 SH SOLE 5425100 CVS Corp COMMON STOCK 126650100 18822 586000 SH SOLE 586000 Cytyc Corporation COMMON STOCK 232946103 19339 790000 SH SOLE 790000 D.R. Horton COMMON STOCK 23331A109 17938 749000 SH SOLE 749000 Devon Energy Corporation COMMON STOCK 25179M103 6315 100000 SH SOLE 100000 Dialysis Corp of America COMMON STOCK 252529102 253 19000 SH SOLE 19000 Domino's Pizza Inc COMMON STOCK 25754A201 10531 410600 SH SOLE 410600 Doral Financial Corp. COMMON STOCK 25811P100 2072 314500 SH SOLE 314500 Downey Financial Corp COMMON STOCK 261018105 30122 452700 SH SOLE 452700 Du Pont (E.I.) De Nemours COMMON STOCK 263534109 25704 600000 SH SOLE 600000 Dun & Bradstreet Corp COMMON STOCK 26483E100 80614 1075000 SH SOLE 1075000 DynCorp International Inc COMMON STOCK 26817C101 21358 1696500 SH SOLE 1696500 E Trade Financial Corp COMMON STOCK 269246104 41642 1740900 SH SOLE 1740900 Ember Resources Inc COMMON STOCK 29081X108 3187 1250000 SH SOLE 1250000 Equinix Inc COMMON STOCK 29444U502 15025 250000 SH SOLE 250000 Family Dollar Stores COMMON STOCK 307000109 11812 404000 SH SOLE 404000 Fidelity National Finl Inc COMMON STOCK 316326107 263865 6335300 SH SOLE 6335300 Fidelity National Information COMMON STOCK 31620M106 8258 223200 SH SOLE 223200 Fidelity National Title COMMON STOCK 31620R105 16417 783300 SH SOLE 783300 FirstFed Financial Corp COMMON STOCK 337907109 14474 255200 SH SOLE 255200 Five Star Quality Care COMMON STOCK 33832D106 5218 485000 SH SOLE 485000 Fleetwood Enterprises COMMON STOCK 339099103 15479 2300000 SH SOLE 2300000 Franklin Resources Inc COMMON STOCK 354613101 5054 47800 SH SOLE 47800 Fremont General Corp. COMMON STOCK 357288109 30088 2150700 SH SOLE 2150700 FTD Group Inc COMMON STOCK 30267U108 20251 1310800 SH SOLE 1310800 Globalsantafe Corp COMMON STOCK G3930E101 113727 2275000 SH SOLE 2275000 Google Inc. COMMON STOCK 38259P508 74592 185600 SH SOLE 185600 Hanover Compressor Co COMMON STOCK 410768105 18220 1000000 SH SOLE 1000000 Hartford Financial Services COMMON STOCK 416515104 38152 439800 SH SOLE 439800 Hewlett-Packard Co. COMMON STOCK 428236103 94696 2581000 SH SOLE 2581000 HMS Holdings Corporation COMMON STOCK 265 21000 SH SOLE 21000 Hospira Inc COMMON STOCK 441060100 11327 296000 SH SOLE 296000 Interoil Corporation ADRS STOCKS 460951106 22432 1185000 SH SOLE 1185000 Invitrogen Corp. COMMON STOCK 46185R100 760 12000 SH SOLE 12000 IPC Holdings Ltd. COMMON STOCK G4933P101 8548 281000 SH SOLE 281000 Kansas City Southern COMMON STOCK 485170302 11224 411000 SH SOLE 411000 Kohls Corp COMMON STOCK 500255104 70749 1089800 SH SOLE 1089800 KOS Pharmaceuticals Inc. COMMON STOCK 500648100 8104 164000 SH SOLE 164000 Landamerica Financial Group COMMON STOCK 514936103 12184 185200 SH SOLE 185200 Lennar Corp-CL A COMMON STOCK 526057104 15520 343000 SH SOLE 343000 Ligand Pharmaceuticals COMMON STOCK 53220K207 512 51000 SH SOLE 51000 Live Nation COMMON STOCK 538034109 23666 1159000 SH SOLE 1159000 Lowe's Companies COMMON STOCK 548661107 32689 1165000 SH SOLE 1165000 Mastercard Inc COMMON STOCK 57636Q104 316103 4493300 SH SOLE 4493300 McDonald's Corporation COMMON STOCK 580135101 18190 465000 SH SOLE 465000 MI Developments Inc - Cl A COMMON STOCK 55304X104 18877 517900 SH SOLE 517900 Mohawk Industries Inc COMMON STOCK 608190104 26057 350000 SH SOLE 350000 MSC Software Corp COMMON STOCK 553531104 1560 101300 SH SOLE 101300 NASDAQ Stock Market COMMON STOCK 631103108 2872 95000 SH SOLE 95000 NCR Corporation COMMON STOCK 62886E108 271207 6869500 SH SOLE 6869500 Nike Inc. CL B COMMON STOCK 654106103 1139 13000 SH SOLE 13000 Nuveen Investments Cl. A COMMON STOCK 67090F106 106046 2070000 SH SOLE 2070000 Omnicare Inc COMMON STOCK 681904108 83861 1946200 SH SOLE 1946200 Orascom Telecom Holding SAE GDR ADRS STOCKS 17940 325000 SH SOLE 325000 Palm Inc COMMON STOCK 696643105 1482 101798 SH SOLE 101798 Payless Shoesource Inc. COMMON STOCK 704379106 7071 284000 SH SOLE 284000 Perkinelmer Inc. COMMON STOCK 714046109 851 45000 SH SOLE 45000 PHH Corp COMMON STOCK 693320202 20391 744200 SH SOLE 744200 Plains Exploration & Production COMMON STOCK 726505100 135290 3152900 SH SOLE 3152900 Prudential Financial INC COMMON STOCK 744320102 99811 1309000 SH SOLE 1309000 Respironics Inc COMMON STOCK 761230101 24374 631300 SH SOLE 631300 Rockwood Holdings Inc COMMON STOCK 774415103 11988 600000 SH SOLE 600000 Ross Stores OTC COMMON STOCK 778296103 8918 351000 SH SOLE 351000 RTI International Metals, Inc COMMON STOCK 74973W107 7626 175000 SH SOLE 175000 Smith International COMMON STOCK 832110100 63515 1637000 SH SOLE 1637000 Smurtfit-Stone Container Corp COMMON STOCK 832727101 15119 1350000 SH SOLE 1350000 Southwestern Energy COMMON STOCK 845467109 195209 6535300 SH SOLE 6535300 Staples Inc. COMMON STOCK 855030102 164373 6756000 SH SOLE 6756000 Stereotaxis Inc COMMON STOCK 85916J102 455 44000 SH SOLE 44000 Tenneco Inc COMMON STOCK 880349105 14033 600000 SH SOLE 600000 The First Marblehead Corp COMMON STOCK 320771108 122354 1766600 SH SOLE 1766600 Time Warner Inc. COMMON STOCK 887317105 27782 1524000 SH SOLE 1524000 Transkaryotic Therapies Inc. COMMON STOCK 893735100 3922 106000 SH SOLE 106000 Transocean Inc COMMON STOCK G90078109 88095 1203000 SH SOLE 1203000 Trident Resources Corp. COMMON STOCK 998969919 20000 400000 SH SOLE 400000 Trizetto Group Inc COMMON STOCK 896882107 272 18000 SH SOLE 18000 United Surgical Partners International Inc COMMON STOCK 913016309 223 9000 SH SOLE 9000 Vivo Participacoes SA ADRS STOCKS 92855S101 13422 4302100 SH SOLE 4302100 Vodafone Airtouch PLC - ADR ADRS STOCKS 92857W209 23862 1043875 SH SOLE 1043875 W&T Offshore Inc COMMON STOCK 92922P106 13436 460000 SH SOLE 460000 Waddell & Reed Financial-A COMMON STOCK 930059100 31878 1288000 SH SOLE 1288000 Weatherford Intl Ltd. COMMON STOCK G95089101 212354 5090000 SH SOLE 5090000 Yahoo! Inc. COMMON STOCK 984332106 606 24000 SH SOLE 24000 S REPORT SUMMARY 107 DATA RECORDS 4,113,986 OTHER MANAGERS ON WHOSE BEHALF REPORT IS FILED
13F: Report Creation NOTE: The 13F-HR File ends on the line labeled All information following this line is informational and should not be included in the SEC Filing.