UNITED STATES
SECURITIES AND EXCHANGE COMMISION
Washington, D.C. 20549
FORM 13F
FORM 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: March 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 May 7, 1999
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: 185
Form 13F Information Table Value Total: $865,472
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 41114 345857 SH SOLE 345857
General Electric Co. COM 369604103 36218 327393 SH SOLE 327393
Microsoft Corp. COM 594918104 30116 336018 SH SOLE 336018
Home Depot, Inc. COM 437076102 26978 433388 SH SOLE 433388
Federal National Mortgage Assn COM 313586109 25300 365350 SH SOLE 365350
Airtouch Communications, Inc. COM 00949T100 24879 257482 SH SOLE 257482
Citigroup COM 173034109 22964 359514 SH SOLE 359514
Pfizer, Inc. COM 717081103 21759 156820 SH SOLE 156820
Household International Inc. COM 441815107 21337 467652 SH SOLE 467652
American International Group, Inc.COM 026874107 20844 172797 SH SOLE 172797
Chase Manhattan Corp New COM 16161A108 20554 252586 SH SOLE 252586
Cisco Sys Inc. COM 17275R102 19312 176260 SH SOLE 176260
Pepsico Inc. COM 713448108 18417 469953 SH SOLE 469953
Merck & Co. COM 589331107 17937 223865 SH SOLE 223865
MCI Worldcom Inc GA COM 98155K102 17850 201550 SH SOLE 201550
Time Warner Holdings Co. COM 887315109 15829 223530 SH SOLE 223530
Johnson & Johnson COM 478160104 15624 167098 SH SOLE 167098
Gillette Co. COM 375766102 14737 247934 SH SOLE 247934
Xerox Corp COM 984121103 14213 272670 SH SOLE 272670
Walt Disney Holding Co. COM 254687106 14124 453775 SH SOLE 453775
Bankamerica Corp COM 066050105 13801 195414 SH SOLE 195414
First Data Corp. COM 319963104 13414 313771 SH SOLE 313771
Enron Corp. COM 293561106 12907 200887 SH SOLE 200887
E I Du Pont De Nemours & Co. COM 263534109 12790 220277 SH SOLE 220277
AT&T Corp Liberty Media Group COM LIB GRP A 001957208 11791 224208 SH SOLE 224208
Coca-Cola Co COM 191216100 11502 187401 SH SOLE 187401
Burlington Northern Santa Fe COM 12189T104 11166 339657 SH SOLE 339657
*** Royal Dutch Petroleum Co. NY REG GLD1.25 780257804 10270 197492 SH SOLE 197492
Procter & Gamble Co. COM 742718109 10112 103251 SH SOLE 103251
EMC Corp-Mass COM 268648102 10086 78953 SH SOLE 78953
Federated Department Stores COM 31410H101 9390 234015 SH SOLE 234015
Nuveen Mny Mkt Oppty COM 67062W103 9150 366 SH SOLE 366
Compaq Computer Corp. COM 204493100 8932 281877 SH SOLE 281877
Exxon Corp. COM 302290101 8646 122524 SH SOLE 122524
Lockheed Martin Corp. COM 539830109 8586 227447 SH SOLE 227447
Mobil Corp. COM 607059102 7659 87033 SH SOLE 87033
Marsh & McLennan Cos Inc. COM 571748102 7282 98079 SH SOLE 98079
Newell Co COM 651192106 7265 152941 SH SOLE 152941
Ford Motor Co. COM 345370100 6952 122636 SH SOLE 122636
Abbott Laboratories COM 002824100 6843 146178 SH SOLE 146178
Texas Instruments Inc COM 882508104 6716 67670 SH SOLE 67670
Thermo Electron Corp. COM 883556102 6670 491755 SH SOLE 491755
Applied Materials Inc Delaware COM 038222105 5974 96835 SH SOLE 96835
Allstate Corp. COM 020002101 5822 157076 SH SOLE 157076
Boeing Co. COM 097023105 5784 170114 SH SOLE 170114
MSDW Invt Tr QLT MUN INV TR 61745P668 5750 115 SH SOLE 115
Kimberly Clark Corp. COM 494368103 5208 108635 SH SOLE 108635
General Motors Corp. COM 370442105 5070 58272 SH SOLE 58272
Wells Fargo & Co. COM 949740104 5029 143423 SH SOLE 143423
Chubb Corp. COM 171232101 4897 83619 SH SOLE 83619
Nuveen CA Mun Mkt Oppty Fd COM 67062U107 4575 183 SH SOLE 183
Comcast Corp Cl A-Spl CL A SPL 200300200 4566 72540 SH SOLE 72540
United Healthcare Corp. COM 910581107 4553 86526 SH SOLE 86526
Muniyield CA COM 626296107 4250 170 SH SOLE 170
Nuveen CA Ser T COM 670975101 4250 170 SH SOLE 170
Muniholdings FL IV Ser A SH BEN INT 625937107 4100 164 SH SOLE 164
*** Schlumberger Ltd COM 806857108 4092 67982 SH SOLE 67982
Berkshire Hathaway Inc Cl B CL B 084670207 4037 1717 SH SOLE 1717
Halliburton Co Holdings Co COM 406216101 3988 103595 SH SOLE 103595
Nuveen Calif Perf Plus COM 67062Q106 3475 139 SH SOLE 139
Muniholdings FL III Ser B SH BEN INT 62624Y101 3450 138 SH SOLE 138
Union Pacific Corp COM 907818108 3432 64218 SH SOLE 64218
AT&T corp COM 001957109 3271 40985 SH SOLE 40985
International Business Machines CoCOM 459200101 3165 17855 SH SOLE 17855
Nuveen FLA Ser TH COM 670978105 3125 125 SH SOLE 125
Nuveen Insd Mun COM 670984103 3125 125 SH SOLE 125
Cendant Corp COM 151313103 2901 181995 SH SOLE 181995
Kansas City Southern Inds Inc. COM 485170104 2850 50000 SH SOLE 50000
Lucent Technologies Inc COM 549463107 2775 25690 SH SOLE 25690
Cox Communications Inc-New COM 224044107 2761 36511 SH SOLE 36511
Muniholdings FL Insd Fd COM 62624W105 2750 110 SH SOLE 110
Wal-Mart Stores Inc COM 931142103 2636 28594 SH SOLE 28594
Walgreen Co. New COM 931422109 2498 88442 SH SOLE 88442
Bristol Myers Squibb Co. COM 110122108 2407 37542 SH SOLE 37542
Nuveen Sel Ser F COM 670973106 2400 96 SH SOLE 96
Nuveen NJ Invt Qual Ser M COM 670971100 2300 92 SH SOLE 92
Automatic Data Processing, Inc. COM 053015103 2203 53239 SH SOLE 53239
Pitney Bowes, Inc. COM 724479100 2174 34095 SH SOLE 34095
Muniholdings NJ Ser A COM 62625Q107 2125 85 SH SOLE 85
American Express Co COM 025816109 2116 17967 SH SOLE 17967
Nuveen TX Ser M COM 670983105 2075 83 SH SOLE 83
Muniholdings CA III Ser A COM 62625R105 1975 79 SH SOLE 79
General Dynamics Corp COM 369550108 1941 30217 SH SOLE 30217
Chevron Corp. COM 166751107 1928 21725 SH SOLE 21725
Emerson Electric Co COM 291011104 1908 36040 SH SOLE 36040
Gannett Inc. COM 364730101 1679 26657 SH SOLE 26657
Staff Leasing Inc. COM 852381102 1658 115856 SH SOLE 115856
Muniholdings Auct Rate Ser A COM 62625H107 1425 57 SH SOLE 57
Muniholdings NJ Insd Fd Inc COM 625936109 1400 56 SH SOLE 56
Nuveen FLA Invt Quality Mun Fd COM 670970102 1400 56 SH SOLE 56
Norfolk Southern Co. COM 655844108 1365 51771 SH SOLE 51771
Times Mirror Co Ser A New COM SER A 887364107 1364 25199 SH SOLE 25199
Caterpillar Inc Del COM 149123101 1340 29160 SH SOLE 29160
International Paper COM 460146103 1338 31705 SH SOLE 31705
Muniyield NY Insd Fd Inc COM 62630E107 1300 52 SH SOLE 52
Goodyear Tire COM 382550101 1297 26033 SH SOLE 26033
Warner Lambert Co COM 934488107 1257 18969 SH SOLE 18969
Muniyield FL Auct 3.28 COM 626297105 1250 50 SH SOLE 50
Munivest Mich Insd Fd Inc COM 62629J109 1250 50 SH SOLE 50
Wachovia Corp New COM 929771103 1227 15110 SH SOLE 15110
Raytheon Co Class A CL A 755111309 1225 21206 SH SOLE 21206
Campbell Soup COM 134429109 1209 29718 SH SOLE 29718
Muniholdingsings Insd Fd Inc COM 625930102 1200 48 SH SOLE 48
Tyco International Ltd New COM 902124106 1143 15930 SH SOLE 15930
Federal Home Ln Mtg Corp COM 313400301 1107 19318 SH SOLE 19318
Viacom Inc Cl B CL B 925524308 1032 12300 SH SOLE 12300
M & T Bk Corp COM 55261F104 1007 2103 SH SOLE 2103
MSDW NY Qual Muni NY QULTY MUN 61745P528 1000 20 SH SOLE 20
Nuveen Prem Insd Mun COM 670987106 1000 40 SH SOLE 40
Allied Signal Inc COM 019512102 993 20178 SH SOLE 20178
Eastman Kodak Co. COM 277461109 918 14367 SH SOLE 14367
GTE Corp COM 362320103 866 14320 SH SOLE 14320
WM Wrigley Jr Co COM 982526105 863 9540 SH SOLE 9540
Muniyield Mich Fd Inc COM 626300107 850 34 SH SOLE 34
McDonalds Corp COM 580135101 822 18140 SH SOLE 18140
Dell Computer Corp COM 247025109 817 19994 SH SOLE 19994
Muniholdings FLA Fd II Ser A COM 625935101 775 31 SH SOLE 31
H J Heinz Co COM 423074103 721 15220 SH SOLE 15220
Muniyield FL Insd Fd COM 626298103 700 28 SH SOLE 28
J P Morgan & Co Inc COM 616880100 691 5598 SH SOLE 5598
Muniyield NJ Insd Inc COM 625921101 675 27 SH SOLE 27
Nuveen Qual Ser M COM 670977107 675 27 SH SOLE 27
America OnLine Inc Del COM 02364J104 669 4550 SH SOLE 4550
Van Kampen Merritt Ser A COM 921132106 650 13 SH SOLE 13
Mellon Bank Corp COM 585509102 630 8946 SH SOLE 8946
Munivest FD II COM 62629P105 625 25 SH SOLE 25
Sun Microsystems Inc COM 866810104 619 4950 SH SOLE 4950
Raytheon Class B Shares CL B 755111408 612 10435 SH SOLE 10435
Nuveen Insd Quality Mun Fd Inc COM 67062N103 600 24 SH SOLE 24
Viad Corp COM 92552R109 595 21410 SH SOLE 21410
Schering Plough Corp COM 806605101 594 10749 SH SOLE 10749
Hewlett Packard Co COM 428236103 577 8510 SH SOLE 8510
Bankers Trust Corp COM 066365107 555 6291 SH SOLE 6291
Muniholdings FLA Fd II Ser B COM 625934104 550 22 SH SOLE 22
CBS Corporation COM 12490K107 516 12646 SH SOLE 12646
Mediaone Group Inc COM 58440J104 514 8107 SH SOLE 8107
Motorola Inc. DE COM 620076109 512 6986 SH SOLE 6986
Blackrock Insd Mun Term Tr Inc COM 92474105 500 20 SH SOLE 20
Associates First Capital Corp CL A 046008108 482 10700 SH SOLE 10700
Nuveen FLA Ser W COM 67101V108 475 19 SH SOLE 19
Becton Dickinson & Co COM 075887109 475 12386 SH SOLE 12386
Anadarko Petroleum Corp COM 032511107 453 12000 SH SOLE 12000
MSDW Cal Insd Tr Ser 1 CA INSD MUN TR 61745P502 450 9 SH SOLE 9
Minnesota Mining & Mfg Co COM 604059105 428 6044 SH SOLE 6044
MSDW Insd Tr Ser 4 INSD MUN BD TR 61745P817 400 8 SH SOLE 8
Morgan Stanley Dean Witter COM NEW 617446448 390 3902 SH SOLE 3902
Penny JC Co Inc COM 708160106 381 9407 SH SOLE 9407
Ameritech Corp New COM 030954101 368 6393 SH SOLE 6393
Corning Inc COM 219350105 364 6061 SH SOLE 6061
MSDW Cal Insd Tr Ser 5 INSD CA MUN 61745P825 350 7 SH SOLE 7
Bank of New York Inc COM 064057102 345 9600 SH SOLE 9600
***Shell Trans & Trading PLC NEW YRK SH NEW 822703609 343 8450 SH SOLE 8450
Bell Atlantic Corp COM 077853109 340 6575 SH SOLE 6575
Iomega Corp COM 462030107 324 63135 SH SOLE 63135
Pharmacia & Upjohn Inc COM 716941109 320 5130 SH SOLE 5130
AON Corp COM 037389103 316 5000 SH SOLE 5000
City National Corp COM 178566105 309 10000 SH SOLE 10000
I2 Technologies Inc COM 465754109 299 11250 SH SOLE 11250
Textron Inc COM 883203101 299 3866 SH SOLE 3866
General Motors Corp Cl H New CL H NEW 370442832 298 5918 SH SOLE 5918
SBC Communications Inc COM 78387G103 275 5829 SH SOLE 5829
Muniyield Mich Insd Fd Inc COM 62630J106 275 11 SH SOLE 11
Qwest Communications Intl COM 749121109 267 3700 SH SOLE 3700
State Str Corp COM 857477103 255 3100 SH SOLE 3100
CSX Corp COM 126408103 252 6463 SH SOLE 6463
MSDW Qual Muni Shares QULTY MUN SECS 61745P585 250 5 SH SOLE 5
Nuveen Mun Advantage Fd Inc COM 67062H106 250 10 SH SOLE 10
Nuveen NY Qual Incm COM 670986108 250 10 SH SOLE 10
Teradyne Inc COM 880775101 246 4500 SH SOLE 4500
Phycor Inc COM 71940F100 242 50850 SH SOLE 50850
Amgen Inc. COM 031162100 241 3225 SH SOLE 3225
Browning Ferris Industries Inc COM 115885105 231 6000 SH SOLE 6000
Olin Corp COM PAR $1 680665205 230 22836 SH SOLE 22836
Readers Digest Assn Inc Cl A CL A NON VTG 755267101 228 7250 SH SOLE 7250
Dayton Hudson Corp COM 239753106 216 3240 SH SOLE 3240
Berkshire Hathaway Inc Del CL A 084670108 209 149 SH SOLE 149
Washington Mutual Inc. COM 939322103 206 5040 SH SOLE 5040
Lilly Eli & Co COM 532457108 202 2380 SH SOLE 2380
Nuveen Prem Income Mun Fd COM 67062T100 200 8 SH SOLE 8
Nuveen Insd Prem Income Mun 2 COM 6706D8104 200 8 SH SOLE 8
Nuveen NJ Ser Th COM 67101N106 200 8 SH SOLE 8
Arch Chemicals Inc. COM 03937R102 191 11418 SH SOLE 11418
Periphonics COM 714005105 126 20000 SH SOLE 20000
***Cott Corp Que COM 22163N106 122 50000 SH SOLE 50000
WTS JMAR Technologies Inc WT EXP 051500 466212155 4 10000 SH CALL SOLE 10000
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