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, 1999
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: 16 East Eager Street
Baltimore, Md 21202
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: Mark C. Sullivan
Title: Vice President
Phone: 410-539-5588
Signature, Place, and Date of Signing:
Mark C. Sullivan Baltimore, Maryland November 2, 1999
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.
<PAGE>
FORM 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 0
Form 13f Information Table Entry Total: 68
Form 13F Information Table Value Total: $124,111
List of Other Included Managers:
No. 13F File Number Name
<PAGE>
<TABLE>
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
- ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
3 Com COM 885535104 2984 111800 SH SOLE 110400 1400
AT&T COM 030177109 308 5512 SH SOLE 5512
Aames Financial COM 00253A101 294 224300 SH SOLE 220800 3500
Abbott Laboratories COM 002824100 249 5490 SH SOLE 5490
Allstate Corporation COM 020002101 3620 100900 SH SOLE 100100 800
Ambac Financial Group Inc. COM 023139108 1268 22200 SH SOLE 22200
American Home Prodts COM 026609107 287 5000 SH SOLE 5000
Apple Computer COM 037833100 3321 71700 SH SOLE 70200 300 1200
Atlantic Richfield COM 048825103 3637 43530 SH SOLE 42930 600
Bankamerica Corp COM 066050105 298 4071 SH SOLE 4071
Bell South Corp. COM 079860102 240 5200 SH SOLE 5200
Bestfoods COM 08658U101 3891 78600 SH SOLE 77900 700
Boston Scientific Corp COM 101137107 3251 74000 SH SOLE 73400 600
Bristol Myers Squibb COM 110122108 3411 48422 SH SOLE 46862 960 600
Burlington Coat Factry COM 121579106 2667 138100 SH SOLE 136700 1400
Carnival Corp COM 143658102 5489 113178 SH SOLE 112078 1100
Chase Manhattan Corp COM 16161A108 2834 32766 SH SOLE 32566 200
Citigroup Inc. COM 173034109 5290 111376 SH SOLE 110626 750
Clayton Homes COM 184190106 1459 127591 SH SOLE 126966 625
Collins Inds Inc COM 194858106 63 10500 SH SOLE 10500
Compaq Computer COM 204493100 2719 114796 SH SOLE 113596 1200
Delphi Automotive Systems COM 247126105 563 30406 SH SOLE 30097 309
Duramed Pharmaceuticals Inc. COM 266354109 3300 211200 SH SOLE 208700 2500
Electro Scientific Ind COM 285229100 213 5100 SH SOLE 5100
Endesa COM 29258N107 1594 75000 SH SOLE 75000
Fannie Mae COM 313586109 259 3800 SH SOLE 3400 400
Ferro Corp. COM 315405100 1635 59450 SH SOLE 58850 600
First Data Corp. COM 319963104 4096 83700 SH SOLE 82800 900
First Union Corp COM 337358105 380 8054 SH SOLE 8054
GTE Corp COM 362320103 5142 68100 SH SOLE 67200 900
General Electric COM 369604103 4443 39319 SH SOLE 38219 800 300
General Motors Corp. COM 370442105 2831 42890 SH SOLE 42590 300
Gillette Co COM 375766102 273 6660 SH SOLE 6660
Harnischfeger Industries COM 413345109 593 296300 SH SOLE 294300 2000
Health Care Reit COM 42217K106 704 30300 SH SOLE 30300
Honeywell Inc. COM 438506107 5759 49700 SH SOLE 49400 300
Int Business Machine COM 459200101 659 5100 SH SOLE 4900 200
Intel Corp COM 458140100 2470 41506 SH SOLE 41306 200
LTC Properties COM 502175102 1273 97900 SH SOLE 96800 1100
Lucent Technologies Inc. COM 549463107 431 6396 SH SOLE 6396
MCN Energy Group, Inc. COM 55267J100 2594 125000 SH SOLE 123600 1400
MGIC Inv. Group COM 552848103 2081 42800 SH SOLE 42000 800
Merck & Co. COM 589331107 661 8976 SH SOLE 8976
Micron Tech Inc COM 595112103 3382 83500 SH SOLE 82800 700
Mobil Corp. COM 607059102 257 2600 SH SOLE 2600
Oakwood Homes COM 674098108 761 58000 SH SOLE 57700 300
Pan Pacific COM 69806L104 273 14100 SH SOLE 12300 1800
Pepisco COM 713448108 301 7790 SH SOLE 7790
Pfizer Inc. COM 717081103 328 3007 SH SOLE 3007
Philip Morris COM 718154107 3895 96930 SH SOLE 96630 300
Pitney Bowes COM 724479100 1516 23600 SH SOLE 22800 800
Playtex COM 72813P100 5048 324400 SH SOLE 321500 2900
Post Pptys COM 737464107 1384 33759 SH SOLE 33759
Raychem Corp COM 754603108 3696 99900 SH SOLE 98800 1100
Renaissance Re COM G7496G103 2760 74600 SH SOLE 73600 1000
SBC Communications, Inc. COM 78387G103 450 7760 SH SOLE 7760
Saks Holdings COM 79377W108 3726 129030 SH SOLE 127390 1640
Santa Fe International COM G7805C108 1741 75700 SH SOLE 74800 900
Schering Plough COM 806605101 342 6520 SH SOLE 6520
Seagate Technologies COM 811804103 2371 92540 SH SOLE 91398 400 742
Sears Roebuck & Co COM 812387108 3356 75300 SH SOLE 74800 500
Sizeler Prop. Inv. COM 830137105 317 36200 SH SOLE 36200
Sprint Corp COM 852061100 212 4000 SH SOLE 4000
Texas Instruments COM 882508104 226 1572 SH SOLE 1572
Thermo Electron COM 883556102 3665 182700 SH SOLE 182400 300
Tidewater COM 886423102 1885 61800 SH SOLE 61800
UCAR International COM 90262K109 2788 110400 SH SOLE 110000 400
Ultramar Diamond Shamrock Corp COM 903912103 1662 76200 SH SOLE 75800 400
Unocal Corporation COM 915289102 3344 84400 SH SOLE 83300 1100
Washington Real Estate Investm COM 939653101 947 55900 SH SOLE 55900
Wells Fargo COM 949740104 1250 29232 SH SOLE 29232
Xerox Corporation COM 984121103 5505 93200 SH SOLE 92000 1200
</TABLE>
