UNITED STATES
SECURITIES AND EXCHANGE COMMISION
WASHINGTON, DC 20549
FORM 13F
FORM 13F COVER PAGE
REPORT FOR THE QUARTER ENDING: SEPTEMBER 30, 1999
INSTITUTIONAL INVESTMENT MANAGER FILING THIS REPORT:
DERBY & CO. LP
57 WELLS AVENUE
NEWTON, MA 02459
13F FILE NUMBER:
REPORT TYPE: 13F HOLDINGS REPORT
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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>
AMERICA ONLINE INC DEL COM 02364J104 7606 73133 SH SOLE 73133
AMERICAN EXPRESS COMPANY 025816109 4273 31654 SH SOLE 31654
AMERICAN INTL GROUP INC 026874107 6312 72604 SH SOLE 72604
AMERITECH CORP NEW 030954101 401 6004 SH SOLE 6004
ANHEUSER BUSCH COS INC 035229103 571 8150 SH SOLE 8150
AT&T CORP 001957109 626 14387 SH SOLE 14387
AUTOMATIC DATA PROCESSNG 053015103 2359 52860 SH SOLE 52860
BANC ONE CORPORATION 059438101 1344 38604 SH SOLE 38604
BANK OF AMERICA CORP 066050105 2166 38887 SH SOLE 38887
BANKBOSTON CORP 06605R106 189 4354 SH SOLE 4354
BELL ATLANTIC CORP 077853109 1060 15747 SH SOLE 15747
BELLSOUTH CORP 079860102 478 10624 SH SOLE 10624
BRISTOL MYERS SQUIBB CO 110122108 6377 94467 SH SOLE 94467
CHASE MANHATTAN CORP NEW 16161A108 6564 87081 SH SOLE 87081
CHECKFREE CORP COM 162816102 1421 34548 SH SOLE 34548
CISCO SYSTEMS INC 17275R102 16212 236456 SH SOLE 236456
CITIGROUP INC 173034109 10462 237775 SH SOLE 237775
DELL COMPUTER CORP COM 247025109 4540 108576 SH SOLE 108576
DU PONT E.I.DE NEMOUR&CO 263534109 195 3224 SH SOLE 3224
EMESS PLC-ORD 0313496 6 10000 SH SOLE 10000
EXXON CORP 302290101 380 5000 SH SOLE 5000
FANNIE MAE 313586109 6270 100023 SH SOLE 100023
FILENES BASEMENT CORP COM 316866102 0 10000 SH SOLE 10000
FILENES BASEMENT CORP COM 9 10000 SH SOLE 10000
GAP INC 364760108 4467 139601 SH SOLE 139601
GENERAL ELECTRIC CO 369604103 8701 73391 SH SOLE 73391
GLAXO WELLCOME PLC ADR F 37733W105 92 1775 SH SOLE 1775
GTE CORP 362320103 556 7235 SH SOLE 7235
HOME DEPOT INC 437076102 13553 197490 SH SOLE 197490
HUDSON VALLEY HOLDING CORP 444172100 210 4714 SH SOLE 4714
INTEL CORP 458140100 7196 96832 SH SOLE 96832
INTL BUSINESS MACH CORP 459200101 900 7439 SH SOLE 7439
JOHNSON & JOHNSON COMMON 478160104 280 3043 SH SOLE 3043
LONE STAR LIQUIDATING TR CTF 54229R102 1 10403 SH SOLE 10403
LUCENT TECHNOLOGIES INC 549463107 7218 111256 SH SOLE 111256
MCI WORLDCOM INC 55268B106 13344 185662 SH SOLE 185662
MEDIAONE GROUP INC 58440J104 197 2883 SH SOLE 2883
MEDICAL SCIENCE SYSTEMS, INC. 584981104 0 10000 SH SOLE 10000
MEDTRONIC INC 585055106 4825 135676 SH SOLE 135676
MERCK & CO INC 589331107 485 7479 SH SOLE 7479
MICROSOFT CORP 594918104 8400 92756 SH SOLE 92756
PEOPLES HERITAGE FINL COM 711147108 432 25958 SH SOLE 25958
PEPSICO INCORPORATED 713448108 193 6329 SH SOLE 6329
PFIZER INCORPORATED 717081103 7932 221109 SH SOLE 221109
ROHM & HAAS CO COM 775371107 276 7632 SH SOLE 7632
SBC COMMUNICATIONS INC 78387G103 798 15635 SH SOLE 15635
SCHERING PLOUGH CORP 806605101 5726 131253 SH SOLE 131253
STATE STREET CORP 857477103 567 8770 SH SOLE 8770
STRYKER CORP COM 863667101 492 9622 SH SOLE 9622
UNITED TECHNOLOGIES CORP 913017109 236 3984 SH SOLE 3984
US WEST INC NEW 91273H101 256 4491 SH SOLE 4491
VODAFONE AIRTOUCH PLC SPONSORE 92857T107 751 3158 SH SOLE 3158
WAL-MART STORES INC 931142103 295 6208 SH SOLE 6208
WALT DISNEY COMPANY 254687106 3112 120256 SH SOLE 120256
A T & T CAP CORP SR PINES 8.25 00206J209 343 14175 SH SOLE 14175
ENRON CAPITAL LLC PFD MIPS 8% P37307108 247 10200 SH SOLE 10200
MEDIAONE FIN TR III TOPRS 9.04 584458202 224 8850 SH SOLE 8850
CENDANT CORP INCOME PRIDES 151313301 364 12535 SH SOLE 12535
CISCO TARGETS 5% 08152000 87612v108 312 6470 SH SOLE 6470
CNB CAP TR I SPURS 6% 12613G207 279 9550 SH SOLE 9550
LUCENT TECHNOLOGY INC TARGETS 87612u100 229 18700 SH SOLE 18700
WORLDCOM TARGETS 5% 08152002 87612w106 182 18500 SH SOLE 18500
AIM BLUE CHIP FUND 001413871 279 6428.1020SH SOLE 6428.1020
ALLIANCE PREMIER GRWTH CL A 01877C101 4022 124121.0750SH SOLE 124121.0750
AMERICAN CENTY CAP EQUITY INCM 025076100 65 10405.4530SH SOLE 10405.4530
AMERICAN CENTY QUANT 02507M600 184 7871.9070SH SOLE 7871.9070
BARON ASSET FD 068278100 2080 40327.6500SH SOLE 40327.6500
DREYFUS INDEX FDS S&P 500 INDE 26200Q105 81 2125.7750SH SOLE 2125.7750
FEDERATED SHRT INTERGV INSTL S 31428M100 33 3156.4820SH SOLE 3156.4820
FIDELITY CHARLES STR ASSET MAN 316069103 163 9440.9550SH SOLE 9440.9550
FIDELITY CONTRAFUND COM 316071109 139 2326.6400SH SOLE 2326.6400
FIDELITY FINL TR EQUITY INCM I 316145101 178 6043.5410SH SOLE 6043.5410
FIDELITY INSTL TR US EQUITY IN 315911206 203 4435.7890SH SOLE 4435.7890
FIDELITY SECS FD DIVID GROWTH 316389402 1993 73768.8390SH SOLE 73768.8390
FIDELITY SECS FD GRWTH & INCM 316389204 127 2957.5390SH SOLE 2957.5390
FOUNDERS FDS INC 350553202 1620 139989.6100SH SOLE 139989.6100
JANUS INVT FD SH BEN INT 471023101 1508 38104.6930SH SOLE 38104.6930
JANUS INVT FD TWENTY FD 471023408 2712 42688.0340SH SOLE 42688.0340
JANUS INVT FD WORLDWIDE FD 471023309 759 13850.8360SH SOLE 13850.8360
KAUFMANN FUND INC 486250103 1 253.5190 SH SOLE 253.5190
MORGAN STANLEY INST FD EQUITY 61744j861 1554 71288.5390SH SOLE 71288.5390
SCUDDER INVT TR GROWTH & INCOM 811167105 6 237.3640 SH SOLE 237.3640
STRONG SHORT TERM BDFD COM 86335M106 75 7925.2730SH SOLE 7925.2730
TOTAL RETURN U S TREAS FLAG IN 89151D101 283 30023.8070SH SOLE 30023.8070
TWENTIETH CENTY WORLD INTL GRO 025086109 551 51830.7490SH SOLE 51830.7490
VANGUARD INDEX TR 500 PORTFOLI 922908108 1169 9862.3590SH SOLE 9862.3590
VANGUARD WORLD FD U S GROWTH P 921910105 4882 127959.6130SH SOLE 127959.6130
AMER INTL GROUP INC 02687QAH1 220 170000 PRN SOLE 170000
AMERICAN EXPRESS CR CORP 025818CJ2 241 195000 PRN SOLE 195000
BERKSHIRE HATHAWAY INC DEL 084670AF5 105 65000 PRN SOLE 65000
CHIQUITA BRANDS INTL INC 170032AH9 32 35000 PRN SOLE 35000
HOME DEPOT INC 437076AE2 711 245000 PRN SOLE 245000
JEFFBANKS INC 472317AA4 23 25000 PRN SOLE 25000
KOLLMORGEN CORP 500440AA0 19 19000 PRN SOLE 19000
RITE AID CORP 767754AL8 102 125000 PRN SOLE 125000
VLSI TECHNOLOGY INC 918270AB5 25 25000 PRN SOLE 25000
REPORT SUMMARY 96 DATA RECORDS 199637 O OTHER MANAGERS
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