<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
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: Century Capital Management, Inc.
Address: One Liberty Square, Boston, MA, 02109
13F File Number: 28-4584
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: Richard F. Cook, Jr.
Title: Managing Director
Phone: 617-482-3060
Signature, Place, and Date of Signing:
Richard F. Cook, Jr. Boston, Massachusetts 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:
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: 44
Form 13F Information Table Value Total: 363,665,140
List of Other Included Managers:
NONE
<PAGE>
<TABLE>
CENTURY CAPITAL MANAGEMENT, INC. 13F REPORT - PAGE 1
<CAPTION>
ITEM 4 ITEM 6 ITEM 8
FAIR INVESTMENT DISCRETION VOTING AUTHORITY
ITEM 2 MARKET ITEM 5 (C) ITEM (SHARES)
ITEM 1 TITLE OF ITEM 3 VALUE SHARES/ (A) (B) SHARED 7
NAME OF ISSUER CLASS CUSIP (X1000) PRN AMT SOLE SHARED (OTHER) MGRS SOLE SHARED NONE
- ------------------------------ -------- --------- ----------- ------- ------ -------- ------- ---- ------- ------ ------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
AFLAC INC COM 001055102 9,437,500 200,000 X X
ALLSTATE CORP COM 020002101 13,946,905 580,875 X X
AMERICAN GENERAL CORP COM 026351106 14,416,250 190,000 X X
AMERICAN INTL GROUP INC COM 026874107 23,787,500 220,000 X X
AON CORP COM 037389103 22,200,000 555,000 X X
BANK NEW YORK INC COM 064057102 2,000,000 50,000 X X
BANK ONE CORP COM 06423A103 2,565,000 80,000 X X
BERKSHIRE HATHAWAY INC DEL CLA 084670108 18,232,500 325 X X
BROWN & BROWN INC COM 115236101 3,639,688 95,000 X X
CHUBB CORP COM 171232101 13,796,563 245,000 X X
CINCINNATI FINL CORP COM 172062101 22,080,750 708,000 X X
CORE INC MASS COM 21867P102 1,705,979 178,403 X X
ERIE INDTY CO CLA 29530P102 2,104,375 65,000 X X
EVEREST REINS HLDGS INC COM 299808105 1,749,300 78,400 X X
FISERV INC COM 337738108 1,149,375 30,000 X X
GALLAGHER ARTHUR J & CO COM 363576109 3,379,950 52,200 X X
HCC INS HLDGS INC COM 404132102 4,879,375 370,000 X X
HORACE MANN EDUCATORS CORP COM 440327104 1,177,500 60,000 X X
HSB GROUP INC COM 40428N109 5,041,444 149,100 X X
INSWEB CORP COM 45809k103 25,752,583 1,343,248 X X
MARSH & MCLENNAN COS INC COM 571748102 12,439,375 130,000 X X
MBIA INC COM 55262C100 20,068,750 380,000 X X
MEDICAL ASSURN INC COM 58449U100 898,986 42,430 X X
MERCURY GENL CORP COM 589400100 8,690,850 390,600 X X
MORGAN JP & CO INC COM 616880100 12,662,500 100,000 X X
MUTUAL RISK MGT LTD COM 628351108 3,446,563 205,000 X X
OHIO CAS CORP COM 677240103 5,501,406 342,500 X X
PROGRESSIVE CORP OHIO COM 743315103 18,281,250 250,000 X X
PROTECTIVE LIFE CORP COM 743674103 9,543,750 300,000 X X
REINSURANCE GROUP AMER INC COM 759351109 1,873,125 67,500 X X
RENAISSANCE RE HLDGS LTD COM G7496G103 8,869,875 217,000 X X
SAFECO CORP COM 786429100 4,962,563 199,500 X X
-----------
PAGE TOTAL 300,281,530
</TABLE>
<PAGE>
<TABLE>
CENTURY CAPITAL MANAGEMENT, INC. 13F REPORT - PAGE 2
<CAPTION>
ITEM 4 ITEM 6 ITEM 8
FAIR INVESTMENT DISCRETION VOTING AUTHORITY
ITEM 2 MARKET ITEM 5 (C) ITEM (SHARES)
ITEM 1 TITLE OF ITEM 3 VALUE SHARES/ (A) (B) SHARED 7
NAME OF ISSUER CLASS CUSIP (X1000) PRN AMT SOLE SHARED (OTHER) MGRS SOLE SHARED NONE
- ------------------------------ -------- --------- ----------- ------- ------ -------- ------- ---- ------- ------ ------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
ST PAUL COS INC COM 792860108 8,758,750 260,000 X X
TERRA NOVA BERMUDA HLDGS LTD CLA G87615103 6,724,110 224,137 X X
TORCHMARK CORP COM 891027104 13,755,281 473,300 X X
UNITED HEALTHCARE CORP COM 910581107 4,250,000 80,000 X X
UNUMPROVIDENT CORP COM 91529Y106 5,062,669 157,900 X X
USBANCORP INC PA COM 917292104 952,500 40,000 X X
WACHOVIA CORP COM 929771103 8,840,000 130,000 X X
WADDELL & REED FINL INC CLA 930059100 810,278 29,872 X X
WADDELL & REED FINL INC CLB 930059209 1,220,372 48,572 X X
VISTA INFORMATION SOLUTIONS COM 928365204 4,297,150 1,317,134 X X
XL CAP LTD CLA 698255105 8,300,000 160,000 X X
ZENITH NATL INS CORP COM 989390109 412,500 20,000 X X
-----------
PAGE TOTAL 63,383,610
</TABLE>