<PAGE>
<PAGE>
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: 06/30/00
Check here if Amendment / /; Amendment Number:
This Amendment (Check only one): / / is a restatement
/ / adds new holdings entries.
Institutional Investment Manager Filing this Report:
RONN C. LOWENTHAL d/b/a
LOWENTHAL CAPITAL MANAGEMENT
235 Montgomery Street, Suite 920
San Francisco, CA 94104
Form 13F File Number: 28-05315
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:
RONN C. LOWENTHAL
415-788-4823
Signature, Place and Date of Signing:
/s/ Ronn C. Lowenthal
__________________________
Ronn C. Lowenthal,
d/b/a Lowenthal Capital Management
San Francisco, CA
08/09/00
Report Type (Check only one):
/x/ 13F HOLDINGS REPORT. (Check here if all holdings of this
reporting manager are reported in this report)
/ / 13F NOTICE. (Check here if no holdings reported are in this
report, and all holdings are reported by other reporting manager(s))
/ / 13F COMBINATION REPORT. (Check here if a portion of the
holdings for this reporting manager are reported in this report and a
portion are reported by other reporting manager(s))
<PAGE>
<PAGE>
FORM 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 0
Form 13F Information Table Entry Total: 58
Form 13F Information Table Value Total (x$1000): 91,884
List of Other Included Managers: None
<PAGE>
<PAGE>
<TABLE>
FORM 13F INFORMATION TABLE
<CAPTION>
Title Value Shrs or SH/ Put/ Investment Other Voting Authority
Name of Issuer of Class CUSIP (x$1000) Prn Amt PRN Call Discretion Managers Sole Shared None
<S> <C> <C> <C> <C> <C> <C> <C>
ACCRUE SOFTWARE INC COM Common 00437W102 1775 50000 SH Sole 50000
ADAPTEC INC COM Common 00651F108 455 20000 SH Sole 20000
ADELPHIA COMMUNICATIONS Common 006848105 982 20000 SH Sole 20000
ALTEON WEBSYSTEMS INC COM Common 02145A109 313 3133 SH Sole 3133
AMDOCS LTD ORD Common G02602103 1305 17000 SH Sole 17000
AMERICA ONLINE INC DEL COM Common 02364J104 1054 20000 SH Sole 20000
APPLIED MICROSYSTEMS COM Common 037935103 815 110000 SH Sole 110000
AT&T CORP COM WIRLES GRP Common 001957406 348 12500 SH Sole 12500
AVANEX CORP COM Common 05348W109 955 10000 SH Sole 10000
ABBOTT LABORATORIES Common 002824100 1426 32000 SH Sole 32000
CACHEFLOW INC COM Common 126946102 616 10000 SH Sole 10000
CENTRA SOFTWARE INC COM Common 15234X103 475 50000 SH Sole 50000
CFI PROSERVICES INC COM Common 12525N100 80 20000 SH Sole 20000
CHORDIANT SOFTWARE INC COM Common 170404107 1081 65000 SH Sole 65000
CITIGROUP INC COM Common 172967101 602 10000 SH Sole 10000
COMPUTER SCIENCES CORP COM Common 205363104 1120 15000 SH Sole 15000
CISCO SYSTEMS Common 17275R102 1907 30000 SH Sole 30000
DAOU SYS INC COM Common 237015102 202 120000 SH Sole 120000
DELANO TECHNOLOGY CORP COM Common 245701107 606 50000 SH Sole 50000
DELL COMPUTER CORP COM Common 247025109 1036 21000 SH Sole 21000
EGREETINGS NETWORK INC COM Common 282343102 268 195000 SH Sole 195000
ENRON Common 293561106 2580 40000 SH Sole 40000
FIRST DATA CORP COM Common 319963104 1241 25000 SH Sole 25000
FIRSTAR CORP NEW WIS COM Common 33763V109 1053 50000 SH Sole 50000
GOLDMAN SACHS GROUP COM Common 38141G104 1613 17000 SH Sole 17000
GILLETTE Common 375766102 1677 48000 SH Sole 48000
HOMESTORE COM INC COM Common 437852106 628 21500 SH Sole 21500
IMANAGE INC COM Common 45245Y105 994 100000 SH Sole 100000
IMMERSION CORP COM Common 452521107 981 32700 SH Sole 32700
INTEGRATED INFORMATION COM Common 45817B103 1023 125000 SH Sole 125000
IPRINT COM INC COM Common 462628108 527 107500 SH Sole 107500
INTERNATIONAL BUSINESS Common 459200101 1753 16000 SH Sole 16000
MACHINE
KANA COMMUNICATIONS COM Common 483600102 1547 25000 SH Sole 25000
MBNA CORP COM Common 55262L100 814 30000 SH Sole 30000
MERCK & CO INC COM Common 589331107 1456 19000 SH Sole 19000
MESSAGEMEDIA INC COM Common 590787107 175 50000 SH Sole 50000
NETSOLVE INC COM Common 64115J106 1040 40000 SH Sole 40000
NETRO CORP Common 64114R109 9467 165000 SH Sole 165000
ONDISPLAY INC COM Common 68232L100 3347 50000 SH Sole 50000
ORAPHARMA INC COM Common 68554E106 100 10000 SH Sole 10000
PATIENT INFOSYSTEMS COM Common 702915109 6 10000 SH Sole 10000
PEPSICO INC COM Common 713448108 1244 28000 SH Sole 28000
PFSWEB INC COM Common 717098107 164 35000 SH Sole 35000
PREVIEW SYS INC COM Common 741379101 975 75000 SH Sole 75000
PRIME RESPONSE INC COM Common 74158B100 550 80000 SH Sole 80000
PEOPLESOFT Common 712713106 2764 165000 SH Sole 165000
<PAGE>
<PAGE>
PROVIDAN FINANCIAL GRP Common 74406A102 1485 16500 SH Sole 16500
QUEST SOFTWARE INC COM Common 74834T103 3599 65000 SH Sole 65000
QWEST COMMUNICATIONS COM Common 749121109 1739 35000 SH Sole 35000
SCHWAB CHARLES CP NEW COM Common 808513105 908 27000 SH Sole 27000
SILVERSTREAM SOFTWARE COM Common 827907106 1299 22500 SH Sole 22500
SOFTWARE TECHNOLOGIES COM Common 834040107 2148 70000 SH Sole 70000
SAFEWAY Common 786514208 1035 23000 SH Sole 23000
TRINTECH GROUP LIMITED Common 896682101 4499 228334 SH Sole 228334
VERSATA INC COM Common 925298101 17568 435783 SH Sole 435783
WILLIAMS COS INC DEL COM Common 969457100 1251 30000 SH Sole 30000
WITNESS SYS INC COM Common 977424100 366 15000 SH Sole 15000
BRIO SYSTEMS Common 109704106 847 40000 SH Sole 40000
</TABLE>
