UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F
FORM 13F COVER PAGE
Report for the Calendar Year or Quarter ended: March 31, 1999
Check here if Amendment [ ]; Amendment Number:
This Amendment (Check only one.)[ ] is a restatement.
[ ] adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: Advanced Investment Technology, Inc.
Address: 311 Park Place Blvd.
Suite 250
Clearwater, FL 33759
13F File Number: 28-5970
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
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: Douglas W. Case
Title: President
Phone: 727-799-3671
Signature, Place, and Date of Signing:
Douglas W. Case, Clearwater, Florida, April 20, 1999
Report Type (Check only one.):
[X] 13F HOLDINGS REPORT.
[ ] 13F NOTICE.
[ ] 13F COMBINATION REPORT.
List of Other Managers Reporting for this Manager:
I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE
ACT OF 1934.
<PAGE>
FORM 13F SUMMARY PAGE
Report Summary:
Number of Other Included Manager 0
Form 13F Information Table Entry 86
Form 13F Information Table Value $265,277
List of Other Included Managers:None
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TITLE
OF VAL SH/PRN SH/ PT/ INV OTHR
NAME OF ISSUER CLASS CUSIP x$1000 AMT PRN CL DISCR MGRS SOLE SHRD NONE
ALBERTSONS INC COM 013104104 1132 20800SH SOLE 20800 0 0
AMER ONLINE INC DEL COM COM 02364J104 4954 33700SH SOLE 33700 0 0
AMERICAN EXPRESS CO COM 025816109 2190 18600SH SOLE 18600 0 0
AMERICAN GENERAL CORP COM 026351106 242 3426SH SOLE 3426 0 0
AMERICAN INTL GROUP COM 026874107 2155 17865SH SOLE 17865 0 0
AMERICAN TEL&TELEG CO COM 001957109 6719 84189SH SOLE 84189 0 0
AMGEN INC COM COM 031162100 5478 73160SH SOLE 73160 0 0
ANHEUSER BUSCH COS INC COM 035229103 3350 44000SH SOLE 44000 0 0
APPLIED MATLS INC COM 038222105 1555 25200SH SOLE 25200 0 0
ATLANTIC RICHFIELD CO COM 048825103 264 3608SH SOLE 3608 0 0
BALL CORP COM COM 058498106 251 5348SH SOLE 5348 0 0
BANC ONE CORP COM 14040H105 2445 44400SH SOLE 44400 0 0
BANK NEW YORK INC COM 064057102 1125 31300SH SOLE 31300 0 0
BANK OF BOSTON CORP COM COM 06605R106 238 5488SH SOLE 5488 0 0
BANKAMERICA CORP COM 06605F102 2899 41047SH SOLE 41047 0 0
BAXTER INTL INC COM 071813109 1432 21700SH SOLE 21700 0 0
BELL ATLANTIC CORP COM 077853109 3623 70100SH SOLE 70100 0 0
BEST BUY INC COM COM 086516101 226 4340SH SOLE 4340 0 0
BIOGEN INC COM 090597105 271 2370SH SOLE 2370 0 0
BOEING CO COM 097023105 2108 62000SH SOLE 62000 0 0
BOSTON SCIENTIFIC COM 101137107 2360 58100SH SOLE 58100 0 0
BRISTOL MYERS SQUIBB COM 110122108 8612 134304SH SOLE 134304 0 0
CARDINAL HLTH INC COM COM 14149Y108 429 6505SH SOLE 6505 0 0
CBS CORP COM 12490K107 7365 180448SH SOLE 180448 0 0
CIGNA CORP COM 125509109 3502 41784SH SOLE 41784 0 0
CISCO SYS INC COM 17275R102 12085 110305SH SOLE 110305 0 0
CITIGROUP INC COM COM 172967101 4580 71700SH SOLE 71700 0 0
CLEAR CHANNEL COMM COM COM 184502102 1207 18000SH SOLE 18000 0 0
COCA COLA CO COM 191216100 5225 85135SH SOLE 85135 0 0
COLGATE PALMOLIVE CO COM 194162103 1159 12600SH SOLE 12600 0 0
COMPAQ COMP CORP COM COM 204493100 2811 88700SH SOLE 88700 0 0
CONAGRA INC COM 205887102 1753 68400SH SOLE 68400 0 0
CORDANT TECH INC COM 218412104 474 11904SH SOLE 11904 0 0
COSTCO COS INC COM COM 22160Q102 1172 12800SH SOLE 12800 0 0
CVS DRUGS COM 126650100 964 20300SH SOLE 20300 0 0
DAYTON HUDSON CORP COM COM 239753106 1159 17400SH SOLE 17400 0 0
DEAN WITTER DISCOVER COM COM 617446448 334 3338SH SOLE 3338 0 0
DELTA AIR LINES DEL COM 247361108 1654 23800SH SOLE 23800 0 0
E M C CORP MASS COM COM 268648102 3947 30900SH SOLE 30900 0 0
EXXON CORP COM 302290101 2724 38600SH SOLE 38600 0 0
FEDERAL HOME LN MTG COM COM 313400301 2058 35900SH SOLE 35900 0 0
FIRST DATA CORP COM COM 319963104 1129 26400SH SOLE 26400 0 0
FLEET FINL GROUP INC COM 338915101 277 7358SH SOLE 7358 0 0
FLOWERS INDS INC GA COM 343496105 397 16110SH SOLE 16110 0 0
FORD MTR CO DEL COM 345370100 1542 27200SH SOLE 27200 0 0
FURNITURE BRANDS INT COM COM 360921100 276 12471SH SOLE 12471 0 0
GAP INC DEL COM COM 364760108 816 12128SH SOLE 12128 0 0
GENERAL DYNAMICS CORP COM 369550108 1394 21700SH SOLE 21700 0 0
GENERAL ELEC CO COM 369604103 20799 188014SH SOLE 188014 0 0
GENERAL MTRS CORP COM 370442105 3245 37300SH SOLE 37300 0 0
GTE CORP COM COM 362320103 1990 32900SH SOLE 32900 0 0
HEINZ H J CO COM 423074103 2179 46000SH SOLE 46000 0 0
HONEYWELL INC COM 438506107 1023 13500SH SOLE 13500 0 0
HOME DEPOT INC COM 437076102 5027 80751SH SOLE 80751 0 0
ILLINOIS TOOL WKS INC COM 452308109 1138 18400SH SOLE 18400 0 0
INTEL CORP COM 458140100 10663 89700SH SOLE 89700 0 0
INTERNATIONAL BUS MACH COM 459200101 4839 27300SH SOLE 27300 0 0
JOHNSON & JOHNSON COM 478160104 3805 40700SH SOLE 40700 0 0
KNIGHT RIDDER INC COM COM 499040103 296 5929SH SOLE 5929 0 0
LOWES COS INC COM COM 548661107 1198 19800SH SOLE 19800 0 0
LUCENT TECHNOLOGY COM 549463107 5476 50700SH SOLE 50700 0 0
MAXIM INTEGRATED COM 57772K101 227 4200SH SOLE 4200 0 0
MCDONALDS CORP COM 580135101 4839 106800SH SOLE 106800 0 0
MELLON BK CORP COM 585509102 1168 16600SH SOLE 16600 0 0
MERCK & CO INC COM 589331107 8373 104500SH SOLE 104500 0 0
MERRILL LYNCH & CO INC COM 590188108 2124 24000SH SOLE 24000 0 0
MICROSOFT CORP COM COM 594918104 22895 255450SH SOLE 255450 0 0
MOBIL CORP COM 607059102 1558 17700SH SOLE 17700 0 0
MOTOROLA INC COM COM 620076109 3234 44148SH SOLE 44148 0 0
MYLAN LABS INC COM 628530107 291 10610SH SOLE 10610 0 0
ORACLE SYS CORP COM COM 68389X105 3495 132500SH SOLE 132500 0 0
PFIZER INC COM COM 717081103 5647 40700SH SOLE 40700 0 0
PROCTER & GAMBLE CO COM 742718109 1914 19542SH SOLE 19542 0 0
QUALCOMM INC COM COM 747525103 231 1854SH SOLE 1854 0 0
RELIANCE GRP HLDGS COM COM 759464100 95 12410SH SOLE 12410 0 0
SARA LEE CORP COM 803111103 2158 87200SH SOLE 87200 0 0
SCHERING PLOUGH CP COM COM 806605101 6160 111500SH SOLE 111500 0 0
S. W. BELL CORP COM COM 78387G103 1944 41200SH SOLE 41200 0 0
STUDENT LN MKTG ASN COM COM 78442A109 241 5784SH SOLE 5784 0 0
T J X COS INC NEW COM 872540109 320 9418SH SOLE 9418 0 0
TANDY CORP COM 875382103 1965 30800SH SOLE 30800 0 0
TELLABS INC COM COM 879664100 1271 13000SH SOLE 13000 0 0
TRICON GLOBAL REST COM 895953107 469 6675SH SOLE 6675 0 0
UNITED TECHNOLOGIES CP COM 913017109 4077 30100SH SOLE 30100 0 0
WAL MART STORES INC COM 931142103 13303 144300SH SOLE 144300 0 0
XEROX CORP COM 984121103 1538 29500SH SOLE 29500 0 0
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