UNITED STATES
SECURITIES AND EXCHANGE COMMISION
Washington, D.C. 20549
FORM 13F
FORM 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: December 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: The Ayco Company, L.P.
Address: P.O. Box 8009, 855 Route 146
Clifton Park, New York 12065
13F File Number: 28-6738
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: Peter H. Heerwagen
Title: Senior Vice President - Investment Services Group
Phone: 518/373-2500
Signature, Place, and Date of Signing:
Peter H. Heerwagen Clifton Park, New York February 10, 2000
Report Type (Check only one.):
[ X] 13F HOLDINGS REPORT.
[ ] 13F NOTICE.
[ ] 13F COMBINATION REPORT.
List of Other Managers Reporting for this Manager:
NONE
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: 214
Form 13F Information Table Value Total: $1,172,689
List of Other Included Managers:
No. 13F File Number Name
NONE
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FORM 13F INFORMATION TABLE
VALUE SHARES / PUT/ OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (X$1000)PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE
INTEL CORP COM 458140100 61637 748811 SH SOLE 748811
GENERAL ELECTRIC CO COM 369604103 53415 345168 SH SOLE 345168
HOME DEPOT INC COM 437076102 48475 705097 SH SOLE 705097
CISCO SYS INC COM 17275R102 44323 413753 SH SOLE 413753
MICROSOFT CORP COM 594918104 39979 342432 SH SOLE 342432
CITIGROUP INC COM 173034109 37230 668554 SH SOLE 668554
EMC CORP-MASS COM 268648102 34107 312195 SH SOLE 312195
*** VODAFONE AIRTOUCH PLC SPONSORED ADR 92857T107 33771 682242 SH SOLE 682242
AT&T CORP LIBERTY MEDIA GROUP COM LIB GRP A 001957208 30078 529429 SH SOLE 529429
FEDERAL NATIONAL MORTGAGE ASSN COM 313586109 28888 462670 SH SOLE 462670
AMER INTERNATIONAL GROUP INC COM 026874107 27779 256917 SH SOLE 256917
TIME WARNER HOLDINGS CO COM 887315109 24585 339985 SH SOLE 339985
PFIZER INC COM 717081103 24428 753071 SH SOLE 753071
MCI WORLDCOM INC COM 98155K102 22953 432565 SH SOLE 432565
PEPSICO INC COM 713448108 22683 643493 SH SOLE 643493
CHASE MANHATTAN CORP NEW COM 16161A108 22186 285572 SH SOLE 285572
ENRON CORP COM 293561106 21076 474963 SH SOLE 474963
WALT DISNEY HOLDING CO COM 254687106 20202 690659 SH SOLE 690659
FIRST DATA CORP COM 319963104 19677 399031 SH SOLE 399031
GILLETTE CO COM 375766102 19661 477340 SH SOLE 477340
EXXON MOBIL CORP COM 30231G102 19114 237255 SH SOLE 237255
MERCK & CO INC COM 589331107 18752 279092 SH SOLE 279092
HOUSEHOLD INTERNATIONAL INC COM 441815107 17923 481160 SH SOLE 481160
JOHNSON & JOHNSON COM 478160104 16660 178660 SH SOLE 178660
COCA-COLA CO COM 191216100 16442 282258 SH SOLE 282258
TEXAS INSTRUMENTS INC COM 882508104 16087 166486 SH SOLE 166486
PROCTER & GAMBLE CO COM 742718109 14733 134469 SH SOLE 134469
E I DU PONT DE NEMOURS & CO COM 263534109 13974 212126 SH SOLE 212126
APPLIED MATERIALS INC DELAWARE COM 038222105 12835 101308 SH SOLE 101308
*** ROYAL DUTCH PETROLEUM CO NY REG GLD1.25 780257804 12650 208880 SH SOLE 208880
MARSH & MCLENNAN COS INC COM 571748102 12184 127330 SH SOLE 127330
BANK OF AMERICA CORP COM 066050105 12136 241801 SH SOLE 241801
BERKSHIRE HATHAWAY INC CLASS B CL B 084670207 11789 6442 SH SOLE 6442
FEDERATED DEPARTMENT STORES COM 31410H101 11614 229698 SH SOLE 229698
COMPAQ COMPUTER CORP COM 204493100 11400 421251 SH SOLE 421251
FORD MOTOR CO COM 345370100 9683 181628 SH SOLE 181628
WARNER LAMBERT CO COM 934488107 9587 117004 SH SOLE 117004
BURLINGTON NORTHERN SANTA FE COM 12189T104 9041 372806 SH SOLE 372806
COMCAST CORP CL A-SPL CL A SPL 200300200 8509 168290 SH SOLE 168290
KIMBERLY CLARK CORP COM 494368103 8049 122998 SH SOLE 122998
WELLS FARGO & CO NEW COM 949740104 6884 170230 SH SOLE 170230
BOEING CO COM 097023105 6777 163552 SH SOLE 163552
STAPLES INC COM 855030102 6583 317240 SH SOLE 317240
WAL-MART STORES INC COM 931142103 6581 95208 SH SOLE 95208
HALLIBURTON CO HOLDINGS CO COM 406216101 6259 155504 SH SOLE 155504
MUNIHOLDINGS INSD FD II INC SER A COM 62625A201 6100 244 SH SOLE 244
ABBOTT LABORATORIES COM 002824100 6013 165589 SH SOLE 165589
GENERAL MOTORS CORP COM 370442105 5685 78217 SH SOLE 78217
AT&T CORP COM 001957109 5622 110649 SH SOLE 110649
THERMO ELECTRON CORP COM 883556102 5580 372020 SH SOLE 372020
MUNIYIELD INSD FD INC SER A COM 625930102 5500 220 SH SOLE 220
XEROX CORP COM 984121103 5044 222311 SH SOLE 222311
LUCENT TECHNOLOGIES INC COM 549463107 5029 67055 SH SOLE 67055
*** SCHLUMBERGER LTD COM 806857108 4922 87697 SH SOLE 87697
CENDANT CORP COM 151313103 4853 182715 SH SOLE 182715
UNITED HEALTHCARE CORP COM 910581107 4590 86407 SH SOLE 86407
MUNIVEST FD V INC SR C COM 62629P105 4575 183 SH SOLE 183
MUNIYIELD INC FD-E SER W COM 62630E107 4450 178 SH SOLE 178
MUNIENHANCED FD INC AUCT SER C COM 626243406 4125 165 SH SOLE 165
NEWELL RUBBERMAID INC COM 651192106 4009 138258 SH SOLE 138258
MSDW INSD MUN TR SER TH INSD MUN TR 61745P866 3900 78 SH SOLE 78
*** TYCO INTERNATIONAL LTD COM 902124106 3816 97857 SH SOLE 97857
INTL BUSINESS MACHINES CORP COM 459200101 3811 35324 SH SOLE 35324
COX COMMUNICATIONS INC-NEW COM 224044107 3761 73022 SH SOLE 73022
KANSAS CITY SOUTHERN INDS INC COM 485170104 3731 50000 SH SOLE 50000
LOCKHEED MARTIN CORP COM 539830109 3684 168415 SH SOLE 168415
CHUBB CORP COM 171232101 3615 64189 SH SOLE 64189
MSDW MUN INCOME TR SER 5 INCOME SEC INC 61745P874 3300 66 SH SOLE 66
SCHWAB CHARLES CORP COM 025816109 3142 82140 SH SOLE 82140
MUNIHOLDINGS FD INC AUCT SER A COM 62625H206 3075 123 SH SOLE 123
SPRINT CORP COM FON GROUP 852061100 3049 45300 SH SOLE 45300
AUTOMATIC DATA PROCESSING INC. COM 053015103 3023 56112 SH SOLE 56112
AMERICAN EXPRESS CO COM 025816109 2968 17853 SH SOLE 17853
MUNIHOLDINGS FL INS III SER B SH BEN INT 62624Y309 2950 118 SH SOLE 118
ALLSTATE CORP COM 020002101 2893 120213 SH SOLE 120213
MSDW CAL INSD MUN INCOME TR SER 1 CA INSD MUN TR 61745P502 2800 56 SH SOLE 56
MUNIYILED FLA INSD FD II SER A COM 625934104 2775 111 SH SOLE 111
UNION PACIFIC CORP COM 907818108 2738 62676 SH SOLE 62676
WALGREEN CO NEW COM 931422109 2598 88821 SH SOLE 88821
ALZA CORP COM 022615108 2383 68835 SH SOLE 68835
KENNAMETAL INC COM 489170100 2375 70620 SH SOLE 70620
MUNIYIELD FUND II INC SER A COM 625935101 2350 94 SH SOLE 94
CHARTER ONE FINL INC COM 160903100 2339 122314 SH SOLE 122314
QUALCOMM INC COM 747525103 2316 13150 SH SOLE 13150
BRISTOL MYERS SQUIBB CO COM 110122108 2286 35615 SH SOLE 35615
EASTMAN KODAK CO COM 277461109 2229 33643 SH SOLE 33643
INTERNATIONAL PAPER CO COM 460146103 2221 39351 SH SOLE 39351
GANNETT CO INC COM 364730101 2219 27205 SH SOLE 27205
SUN MICROSYSTEMS INC COM 866810104 2181 28162 SH SOLE 28162
NUVEEN INSD CALIF PREM INCOME SER TCOM 67061U108 2025 81 SH SOLE 81
MEDIAONE GROUP INC COM 58440J104 2025 26362 SH SOLE 26362
MUNIHOLDINGS FLA INSD FD SER B COM 62624W303 2000 80 SH SOLE 80
NUVEEN FLA QUALITY INCM MUN SER TH COM 670978105 2000 80 SH SOLE 80
EMERSON ELECTRIC CO COM 291011104 1961 34182 SH SOLE 34182
SBC COMMUNICATIONS INC COM 78387G103 1838 37700 SH SOLE 37700
TIMES MIRROR CO SER A NEW COM SER A 887364107 1737 25919 SH SOLE 25919
GENERAL DYNAMICS CORP COM 369550108 1643 31139 SH SOLE 31139
MUNIHOLDINGS NEW JERSEY INSD FD IIICOM 62625E203 1600 64 SH SOLE 64
PITNEY BOWES INC COM 724479100 1568 32460 SH SOLE 32460
MUNIHOLDINGS NJ INSD SER A COM 62625Q107 1525 61 SH SOLE 61
NUVEEN MUN MKT OPPTY FD COM 67062W103 1425 57 SH SOLE 57
CATERPILLAR INC COM 149123101 1415 30062 SH SOLE 30062
VIACOM INC CL B CL B 925524308 1366 22600 SH SOLE 22600
HEWLETT PACKARD CO COM 428236103 1256 11045 SH SOLE 11045
CHEVRON CORP COM 166751107 1239 14301 SH SOLE 14301
*** SHELL TRANS & TRADING PLC NEW YRK SH NEW 822703609 1233 25155 SH SOLE 25155
GENERAL MOTORS CORP CL H NEW CL H NEW 370442832 1229 12804 SH SOLE 12804
MOTOROLA INC DE COM 620076109 1221 8291 SH SOLE 8291
*** NORTEL NETWORKS CORP COM 656659100 1199 11873 SH SOLE 11873
MORGAN STANLEY DEAN WITTER CO COM NEW 617446448 1155 8092 SH SOLE 8092
CBS CORPORATION COM 12490K107 1149 17970 SH SOLE 17970
BELL ATLANTIC CORP COM 077853109 1113 18079 SH SOLE 18079
FEDERAL HOME LN MTG CORP COM 313400301 1108 23541 SH SOLE 23541
STAFF LEASING INC COM 852381102 1063 111856 SH SOLE 111856
H J HEINZ CO COM 423074103 1061 26648 SH SOLE 26648
MUNIHOLDINGS INSD FD IV INC SER A COM 62626E202 1050 42 SH SOLE 42
NORFOLK SOUTHERN CORP COM 655844108 1006 49067 SH SOLE 49067
MSDW CAL INSD MUN INCOME TR SER 5 INSD CA MUN 61745P825 1000 20 SH SOLE 20
GTE CORP COM 362320103 959 13589 SH SOLE 13589
BERKSHIRE HATHAWAY INC-DEL- CL A 084670108 915 150 SH SOLE 150
CONOCO INC CL B CL B 208251405 903 36292 SH SOLE 36292
AMERICA ONLINE INC DEL COM 02364J104 898 11830 SH SOLE 11830
DELL COMPUTER CORP COM 247025109 888 17414 SH SOLE 17414
AMGEN INC COM 031162100 881 14675 SH SOLE 14675
CORNING INC COM 219350105 872 6761 SH SOLE 6761
M & T BK CORP COM 55261F104 871 2103 SH SOLE 2103
WACHOVIA CORP NEW COM 929771103 814 11965 SH SOLE 11965
MUNIHOLDINGS NEW YORK INS II SER B COM 62624X103 800 32 SH SOLE 32
NUVEEN CALIF PERFORMANCE PLUS COM 67062Q106 800 32 SH SOLE 32
MUNIHOLDINGS NEW YORK INSD FD SER ACOM 62625Y100 750 30 SH SOLE 30
MCDONALDS CORP COM 580135101 670 16609 SH SOLE 16609
*** BP AMOCO PLC SPONS ADR SPONSORED ADR 055622104 630 10619 SH SOLE 10619
MUNIYIELD FL INS IV SER A SH BEN INT 625937107 625 250 SH SOLE 250
MUNIYIELD FLA INSD COM 626298103 625 25 SH SOLE 25
WM WRIGLEY JR CO COM 982526105 619 7465 SH SOLE 7465
MELLON FINL CORP COM 585509102 615 18052 SH SOLE 18052
TRUE NORTH COMMUNICATIONS INC COM 897844106 590 13207 SH SOLE 13207
MUNIYIELD NY FD INC SER A COM 625932108 575 23 SH SOLE 23
J P MORGAN & CO INC COM 616880100 569 4492 SH SOLE 4492
ORACLE CORP COM 68389X105 522 4659 SH SOLE 4659
BELLSOUTH CORP COM 079860102 513 10954 SH SOLE 10954
MINNESOTA MINING & MFG CO COM 604059105 512 5231 SH SOLE 5231
BANK NEW YORK INC COM 064057102 506 12660 SH SOLE 12660
MUNIYIELD NY INSD FD INC SER A COM 625931100 500 20 SH SOLE 20
NUVEEN PA INVT QUAL MUN FD SER TH COM 670972108 500 20 SH SOLE 20
SCHERING PLOUGH CORP COM 806605101 476 11239 SH SOLE 11239
NUVEEN NJ INVT QUALITY SER M COM 670971100 475 19 SH SOLE 19
NUVEEN PREM INCM MUN FD 2 COM 67063W102 475 19 SH SOLE 19
SPRINT CORP (SERIES 1 PCS COM) PCS COM SER 1 852061506 474 4622 SH SOLE 4622
ATLANTIC RICHFIELD CO DE COM 048825103 468 5408 SH SOLE 5408
GEORGIA PACIFIC CORP COM GA PAC GRP 373298108 464 9149 SH SOLE 9149
OLIN CORP COM PAR $1 680665205 452 22836 SH SOLE 22836
VIAD CORP COM 92552R109 444 15921 SH SOLE 15921
MUNIYIELD NEW JERSEY INSD SER B COM 625936109 425 17 SH SOLE 17
TERADYNE INC COM 880770102 422 6400 SH SOLE 6400
ANALOG DEVICES COM 032654105 419 4500 SH SOLE 4500
ANADARKO PETROLEUM CORP COM 032511107 410 12000 SH SOLE 12000
*** TELEFONICA S.A. SPONSORED ADR 879382208 406 5148 SH SOLE 5148
NUVEEN INSD QLTY MUN FD COM 67062N103 400 16 SH SOLE 16
ALCOA INC COM 013817101 399 4804 SH SOLE 4804
BLACK&DECKER CORPORATION COM 091797100 392 7500 SH SOLE 7500
EXODUS COMMUNICATIONS INC COM 302088109 355 4000 SH SOLE 4000
CITY NATIONAL CORP COM 178566105 329 10000 SH SOLE 10000
CROWN CASTLE INTERNATIONAL COM 228227104 321 10000 SH SOLE 10000
BECTON DICKINSON & CO COM 075887109 313 11626 SH SOLE 11626
DELPHI AUTOMOTIVE SYSTEMS CORP COM 247126105 303 19222 SH SOLE 19222
MUNIYIELD CALIF INSD FD II INC SR CCOM 62629L104 300 12 SH SOLE 12
QWEST COMMUNICATIONS INTL COM 749121109 299 6950 SH SOLE 6950
ILLINOIS TOOL WORKS INC COM 452308109 279 4135 SH SOLE 4135
INTERPUBLIC GROUP OF COS INC COM 460690100 277 4800 SH SOLE 4800
FLEETBOSTON FINANCIAL CORP COM 339030108 277 7947 SH SOLE 7947
USA NETWORKS INC COM 902984103 276 5000 SH SOLE 5000
MUNIYIELD MICH INSD FD INC 7DY COM 62630J106 275 11 SH SOLE 11
COMPUTER ASSOCIATES INTL INC COM 204912109 270 3866 SH SOLE 3866
*** COTT CORP QUE COM 22163N106 263 50000 SH SOLE 50000
BROADCOM CORP CL A CL A 111320107 259 950 SH SOLE 950
TEXACO INC COM 881694103 255 4701 SH SOLE 4701
ASSOCIATES FIRST CAPITAL CORP CL A 046008108 253 9230 SH SOLE 9230
MUNIHOLDINGS INS FD III A SER A COM 62625D205 250 10 SH SOLE 10
MUNIYIELD NY INSD FD SER B COM 626301105 250 10 SH SOLE 10
NUVEEN FLA INVT QUAL SER T COM 670970102 250 10 SH SOLE 10
PHARMACIA & UPJOHN INC COM 716941109 250 5551 SH SOLE 5551
STATE STREET CORP COM 857477103 248 3400 SH SOLE 3400
U S WEST INC (NEW) COM 91273H101 242 3364 SH SOLE 3364
ARCH CHEMICALS INC COM 03937R102 239 11418 SH SOLE 11418
FIFTH THIRD BANCORP COM 316773100 236 3222 SH SOLE 3222
MCLEODUSA INC COM 582266102 236 4000 SH SOLE 4000
MBNA CORP COM 55262L100 235 8640 SH SOLE 8640
TEXTRON INC COM 883203101 235 3065 SH SOLE 3065
DAYTON HUDSON CORP COM 239753106 235 3200 SH SOLE 3200
SYSCO CORP COM 871829107 233 5900 SH SOLE 5900
CRITICAL PATH INC COM 22674V100 223 2363 SH SOLE 2363
COLGATE PALMOLIVE CO COM 194162103 217 3340 SH SOLE 3340
NATIONAL SEMICONDUCTOR CORP COM 637640103 214 5000 SH SOLE 5000
IOMEGA CORP COM 462030107 213 63135 SH SOLE 63135
SDL INC COM 784076101 213 976 SH SOLE 976
READERS DIGEST ASSN INC CL A CL A NON VTG 755267101 202 6905 SH SOLE 6905
MUNIVEST PA INSD FD COM 62629M102 200 8 SH SOLE 8
MUNIYIELD NJ INSD FD INC AUCT 7DY COM 625921101 200 8 SH SOLE 8
MUNIYIELD PA FD COM 62630V109 200 8 SH SOLE 8
MUNIYILED QUALITY FD INC SER B COM 626302103 200 8 SH SOLE 8
NUVEEN INSD PREM INCOME SER M COM 6706D8104 200 8 SH SOLE 8
NUVEEN MUN ADVANTAGE FD MUN SER M COM 67062H106 200 8 SH SOLE 8
HASBRO INC COM 418056107 189 10000 SH SOLE 10000
MUNIVEST FUND INC SERIES E COM 626295109 150 6 SH SOLE 6
SELECT COMFORT CORP COM 81616X103 130 32000 SH SOLE 32000
SYLVAN LEARNING SYS INC COM 871399101 130 10000 SH SOLE 10000
JLK DIRECT DISTR INC CLASS A CL A 46621C105 118 11426 SH SOLE 11426
MIDDLEBY CORP COM 596278101 95 16800 SH SOLE 16800
GLOBAL VACATION GROUP INC COM 37937F106 72 24900 SH SOLE 24900
CREATIVE BIOMOLECULES INC COM 225270107 49 10000 SH SOLE 10000
HEARTPORT INC COM 421969106 48 10000 SH SOLE 10000
EDGE PETE CORP DEL COM 279862106 39 13400 SH SOLE 13400
WTS JMAR TECHNOLOGIES INC WT EXP 051500 466212155 6 10000 SH CALL SOLE 10000
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