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, 2000"
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, October 25, 2000"
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.
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FORM 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 0
Form 13F Information Table Entry Total 74
"Form 13F Information Table Value total: $870,879"
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
ADOBE SYS INC COM 00724F101 7840 50500SH Sole 0
ALCOA INC COM 013817101 1288 50900SH Sole 0
ALLERGAN INC COM COM 018490102 262 3105SH Sole 205
ALLTEL CORP COM COM 020039103 11937 228732SH Sole 132
ALTERA CORP COM 021441100 9034 189200SH Sole 0
AMERICA ONLINE INC DEL COM COM 02364J104 8998 167400SH Sole 0
AMERICAN EXPRESS CO COM 025816109 2302 37900SH Sole 0
AMERICAN GENERAL CORP COM 026351106 967 12400SH Sole 0
AMERICAN INTL GROUP COM 026874107 1576 16471SH Sole 121
AMGEN INC COM COM 031162100 25328 362717SH Sole 117
ANHEUSER BUSCH COS INC COM 035229103 9029 213400SH Sole 0
APPLE COMPUTER INC COM COM 037833100 1887 73300SH Sole 0
APPLIED MATLS INC COM 038222105 9585 161600SH Sole 0
BAKER HUGHES INC COM 057224107 809 21800SH Sole 0
BANKAMERICA CORP COM 060505104 3939 75200SH Sole 0
BEST BUY INC COM COM 086516101 5453 85700SH Sole 0
BOEING CO COM 097023105 29468 467753SH Sole 153
BRISTOL MYERS SQUIBB COM 110122108 11916 208601SH Sole 101
CIENA CORP COM COM 171779101 8695 70800SH Sole 0
CISCO SYS INC COM 17275R102 64996 1176405SH Sole 305
CITIGROUP INC COM COM 172967101 5830 107833SH Sole 0
CORNING INC COM COM 219350105 7128 24000SH Sole 0
DELL COMPUTER CORP COM 247025109 13092 424900SH Sole 0
DISNEY WALT CO DEL COM 254687106 1890 49400SH Sole 0
E M C CORP MASS COM COM 268648102 39006 393500SH Sole 0
ENTERGY CORP COM 29364G103 2019 54200SH Sole 0
EXXON CORP COM 30231G102 5438 61010SH Sole 57
GATEWAY INC COM COM 367626108 7625 163100SH Sole 0
GENERAL DYNAMICS CORP COM 369550108 980 15600SH Sole 0
GENERAL ELEC CO COM 369604103 85025 1473888SH Sole 346
HARRAHS ENTERTAINMENT COM 413619107 2420 88000SH Sole 0
HARTFORD FINANCIAL SERVICES GR COM 416515104 1663 22800SH Sole 0
HEWLETT PACKARD CO COM 428236103 6062 62500SH Sole 0
HOME DEPOT INC COM 437076102 15506 292217SH Sole 217
INFINITY BROADCTNG NEW CL A COM 456625102 10992 333100SH Sole 0
INTEL CORP COM 458140100 51941 1249711SH Sole 311
INTERNATIONAL BUS MACH COM 459200101 22275 198000SH Sole 0
JDS UNIPHASE CORP COM COM 46612J101 12603 133100SH Sole 0
JOHNSON & JOHNSON COM 478160104 18938 201600SH Sole 0
JUNIPER NETWORKS INC COM COM 48203R104 8451 38600SH Sole 0
KOHLS CORP COM 500255104 15996 277282SH Sole 182
LIMITED INC COM 532716107 1348 61100SH Sole 0
LINEAR TECHNOLOGY CORP COM 535678106 13824 213493SH Sole 193
MALLINCKRODT INC. COM 561232109 817 17900SH Sole 0
MAXIM INTEGRATED COM 57772K101 7247 90100SH Sole 0
MBNA CORP COM 55262L100 14087 365900SH Sole 0
MERCK & CO INC COM 589331107 24177 324800SH Sole 0
MERRILL LYNCH & CO INC COM 590188108 1624 24600SH Sole 0
METROMEDIA FIBER NETWK CL A COM 591689104 4063 167100SH Sole 0
MICRON TECHNOLOGY INC COM 595112103 3123 67900SH Sole 0
MICROSOFT CORP COM COM 594918104 37832 627274SH Sole 174
MINNESOTA MNG & MFG CO COM 604059105 1622 17800SH Sole 0
NATIONAL SEMICONDUCTOR COM 637640103 572 14200SH Sole 0
NETWORK APPLIANCE INC COM COM 64120L104 22736 178500SH Sole 0
NORTHERN TELECOM LTD COM 656569100 3431 57600SH Sole 0
OCCIDENTAL PETE CP DEL COM 674599105 1049 48100SH Sole 0
ORACLE SYSTEMS CORP COM COM 68389X105 34445 437400SH Sole 0
PEPSICO INC COM 713409100 943 20500SH Sole 0
PFIZER INC COM COM 717081103 38606 859100SH Sole 0
PMC SIERRA COM 69344F106 5984 27800SH Sole 0
RADIOSHACK CORP COM (TANDY) COM 875382103 2152 33300SH Sole 0
RALSTON PURINA CO COM 751277302 993 41900SH Sole 0
SCHWAB CHARLES CP NEW COM 808513105 5928 167000SH Sole 0
SIEBEL SYSTEMS INC COM 826170102 7903 71000SH Sole 0
SUN MICROSYSTEMS INC COM 866810104 31194 267184SH Sole 84
SYSCO CORP COM 871829107 11861 256100SH Sole 0
TELLABS INC COM COM 879664100 5085 106500SH Sole 0
TEXAS INSTRS INC COM 882508104 6517 138100SH Sole 0
UNICOM CORP COM COM 904911104 2281 40600SH Sole 0
UNITED TECHNOLOGIES CP COM 913017109 1634 23600SH Sole 0
VERITAS SOFTWARE CO COM COM 923436109 10735 75600SH Sole 0
VIACOM INC CL B COM 925524100 5490 93848SH Sole 148
WAL MART STORES INC COM 931142103 1901 39500SH Sole 0
WALGREEN CO COM 931422109 9484 250000SH Sole 0
</TABLE>
