13F-HR 1 inftable09302010.txt 13F & COVER 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, 2010 Check here if Amendment [ ]; Amendment Number: This Amendment (Check only one.): [ ] is a restatement. [ ] adds new holding entries. Institutional Investment Manager Filing this report: Name: Mount Vernon Associates, Inc. Address: 6080 Falls Road, Suite 200 Baltimore, Md 21209 13F File Number: 52-1453813 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 the required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Nancy V. OHara Title: Vice President Phone: 410-377-9780 Signature, Place, and Date of Signing: Nancy V. OHara Baltimore, Maryland November 2, 2010 Report Type (Check only one.): [X] 13F HOLDING 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. FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13f Information Table Entry Total: 43 Form 13F Information Table Value Total: 105066 List of Other Included Managers: No. 13F File Number Name FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- Telkonet Convertible Pfd A 306 120 SH SOLE 120 American Express Co. COM 025816109 3121 74265 SH SOLE 74265 Amgen Inc. COM 031162100 1558 28270 SH SOLE 28270 Apple Inc. COM 037833100 5690 20054 SH SOLE 20054 Applied Materials Inc. COM 038222105 1155 98850 SH SOLE 98850 Bank of America Corp COM 060505104 1478 112801 SH SOLE 112801 Bristol-Myers Squibb Co. COM 110122108 2604 96058 SH SOLE 96058 Capital One Financial Corp. COM 14040H105 297 7520 SH SOLE 7520 Caterpillar Inc COM 149123101 279 3545 SH SOLE 3545 Cisco Systems Inc. COM 17275R102 2150 98175 SH SOLE 98175 Citigroup, Inc. COM 172967101 793 202700 SH SOLE 202700 Costco Wholesale Corp COM 22160K105 3837 59500 SH SOLE 59500 Deere & Company COM 244199105 349 5000 SH SOLE 5000 Discover Financial Services COM 254709108 2570 154050 SH SOLE 154050 DuPont de Nemours & Co. COM 263534109 2571 57625 SH SOLE 57625 EMC Corporation COM 268648102 4240 208760 SH SOLE 208760 Energy Transfer Partners LP COM 29273R109 2199 45550 SH SOLE 45550 Exxon Mobil Corporation COM 30231G102 3128 50619 SH SOLE 50619 Flextronics International Ltd. COM Y2573F102 2973 492185 SH SOLE 492185 General Electric Co COM 369604103 2749 169177 SH SOLE 169177 Hartford Financial Services COM 416515104 3290 143344 SH SOLE 143344 Honeywell Intl Inc COM 438516106 3176 72274 SH SOLE 72274 IBM Corp COM 459200101 5922 44150 SH SOLE 44150 Intel Corporation COM 458140100 3762 195944 SH SOLE 195944 JPMorgan Chase & Co COM 46625H100 2877 75579 SH SOLE 75579 Legg Mason Inc. COM 524901105 3222 106315 SH SOLE 106315 Lowes Companies Inc. COM 548661107 3128 140313 SH SOLE 140313 Micron Technology Inc COM 595112103 982 136160 SH SOLE 136160 Microsoft Corporation COM 594918104 2891 118063 SH SOLE 118063 Motorola Inc. COM 620076109 883 103517 SH SOLE 103517 Nokia Corporation COM 654902204 885 88200 SH SOLE 88200 Pfizer Inc. COM 717081103 2442 142236 SH SOLE 142236 Seagate Technology COM G7945M107 995 84510 SH SOLE 84510 Telkonet, Inc. COM 879604106 324 1752200 SH SOLE 1752200 Teva Pharmaceutical COM 881624209 3112 58999 SH SOLE 58999 Texas Instruments, Inc. COM 882508104 3353 123550 SH SOLE 123550 Tractor Supply Co. COM 892356106 3337 84150 SH SOLE 84150 Verizon Communications, Inc. COM 92343V104 4018 123290 SH SOLE 123290 Wells Fargo & Co COM 949746101 2397 95457 SH SOLE 95457 Windstream Corporation COM 97381W104 2681 218200 SH SOLE 218200 Wyndham Worldwide Corp COM 98310W108 3848 140065 SH SOLE 140065 eBay Inc. COM 278642103 3493 143175 SH SOLE 143175 Storage Computer Corp. 86211A101 0 114275 SH SOLE 114275