UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                    Form 13F

                              Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: Decembver 31, 2003

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:    Labranche & Co. Inc.
Address: One Exchange Plaza
         New York, NY

13F File Number:  28-10499

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:      Harvey S. Traison
Title:     Senior Vice President and Chief Financial Officer
Phone:     212-482-8950

Signature, Place, and Date of Signing:

     /s/  Harvey S. Traison     New York, NY     January 26, 2004

Report Type (Check only one.):

[ X]         13F HOLDINGS REPORT.

[  ]         13F NOTICE.

[  ]         13F COMBINATION REPORT.



                              FORM 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers:         2

Form13F Information Table Entry Total:     174

Form13F Information Table Value Total:     $256,179 (thousands)

List of Other Included Managers:

Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional managers with respect to which this report is filed, other
than the manager filing this report.

No.  13F File Number               Name

01   28-10500                      Labranche & Co., LLC
02   28-10501                      Labranche Structured Products, LLC



                                    
                                                     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
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
1838 BD-DEB TRADING FD         COM              282520105     2452   129738 SH       DEFINED 01                  0   129738        0
3M CO                          COM              88579Y101     3840    45166 SH       DEFINED 01                  0    45166        0
ABBOTT LABS                    COM              002824100     2632    56488 SH       DEFINED 02                  0    56488        0
ADVANCED FIBRE COMMUNICATION   COM              00754A105     1387    68831 SH       DEFINED 02                  0    68831        0
AEROPOSTALE                    COM              007865108      661    24113 SH       DEFINED 02                  0    24113        0
AGILENT TECHNOLOGIES INC       COM              00846U101      800    27367 SH       DEFINED 01                  0    27367        0
ALLEGHENY ENERGY INC           COM              017361106      383    30006 SH       DEFINED 02                  0    30006        0
AMERADA HESS CORP              COM              023551104      614    11541 SH       DEFINED 02                  0    11541        0
ANADARKO PETE CORP             COM              032511107     1994    39100 SH       DEFINED 02                  0    39100        0
APACHE CORP                    COM              037411105     4009    49428 SH       DEFINED 02                  0    49428        0
ARCHER DANIELS MIDLAND CO      COM              039483102      242    15914 SH       DEFINED 01                  0    15914        0
ASTORIA FINL CORP              COM              046265104     1310    35206 SH       DEFINED 02                  0    35206        0
AT&T WIRELESS SVCS INC         COM              00209A106      806   100921 SH       DEFINED 01                  0   100921        0
ATHEROGENICS INC               COM              047439104      285    19172 SH       DEFINED 02                  0    19172        0
AU OPTRONICS CORP              SPONSORED ADR    002255107      589    49400 SH       DEFINED 02                  0    49400        0
AUTOLIV INC                    COM              052800109      693    18414 SH       DEFINED 01                  0    18414        0
BERKSHIRE INCOME REALTY INC    PREFERRED STOCK  084690205      402    15352 SH       DEFINED 01                  0    15352        0
BIOTECH HOLDERS TR             DEPOSTRY RCPTS   09067D201     2950    21800 SH       DEFINED 02                  0    21800        0
BIOVAIL CORP                   COM              09067J109     3110   144720 SH       DEFINED 02                  0   144720        0
BOULDER TOTAL RETURN FD INC    COM              101541100      590    38743 SH       DEFINED 01                  0    38743        0
BP PLC                         SPONSORED ADR    055622104     4751    96276 SH       DEFINED 02                  0    96276        0
CALPINE CORP                   COM              131347106      538   111899 SH       DEFINED 02                  0   111899        0
CAMPBELL SOUP CO               COM              134429109     1197    44651 SH       DEFINED 02                  0    44651        0
CAREMARK RX INC                COM              141705103     2570   101450 SH       DEFINED 02                  0   101450        0
CEMEX S A                      SPON ADR 5 ORD   151290889      483    18432 SH       DEFINED 01                  0    18432        0
CENTEX CORP                    COM              152312104     1428    13262 SH       DEFINED 02                  0    13262        0
CHECK POINT SOFTWARE TECH LT   ORD              M22465104      362    21546 SH       DEFINED 02                  0    21546        0
CHICOS FAS INC                 COM              168615102      510    13795 SH       DEFINED 02                  0    13795        0
CHITTENDEN CORP                COM              170228100      391    11625 SH       DEFINED 01                  0    11625        0
CHUNGHWA TELECOM CO LTD        SPONSORED ADR    17133Q205      232    16000 SH       DEFINED 02                  0    16000        0
CIRCUIT CITY STORE INC         COM              172737108     2211   218251 SH       DEFINED 01                  0   218251        0
CITIGROUP INC                  COM              172967101      696    14331 SH       DEFINED 02                  0    14331        0
CNA FINL CORP                  COM              126117100      241    10001 SH       DEFINED 02                  0    10001        0
CNH GLOBAL N V                 SHS NEW          N20935206      306    18458 SH       DEFINED 01                  0    18458        0
COGNOS INC                     COM              19244C109      332    10851 SH       DEFINED 02                  0    10851        0
COMMSCOPE INC                  COM              203372107      227    13918 SH       DEFINED 01                  0    13918        0
COMPANHIA DE BEBIDAS DAS AME   SPON ADR PFD     20441W203      332    13000 SH       DEFINED 02                  0    13000        0
COMPUTER ASSOC INTL INC        COM              204912109     8458   309362 SH       DEFINED 02                  0   309362        0
COMVERSE TECHNOLOGY INC        COM PAR $0.10    205862402     1372    78024 SH       DEFINED 02                  0    78024        0
CONTINENTAL AIRLS INC          CL B             210795308      288    17682 SH       DEFINED 01                  0    17682        0
CORN PRODS INTL INC            COM              219023108      611    17750 SH       DEFINED 01                  0    17750        0
COTT CORP QUE                  COM              22163N106      513    18300 SH       DEFINED 02                  0    18300        0
CROWN HOLDINGS INC             COM              228368106      211    23279 SH       DEFINED 02                  0    23279        0
CURAGEN CORP                   COM              23126R101      201    27393 SH       DEFINED 02                  0    27393        0
CURATIVE HEALTH SRVCS INC      COM              23126W100      206    14951 SH       DEFINED 02                  0    14951        0
DEAN FOODS CO NEW              COM              242370104      649    19747 SH       DEFINED 01                  0    19747        0
EAGLE BROADBAND INC            COM              269437109      256   197284 SH       DEFINED 01                  0   197284        0
ELECTRONICS FOR IMAGING INC    COM              286082102      556    21351 SH       DEFINED 02                  0    21351        0
ENSCO INTL INC                 COM              26874Q100      593    21814 SH       DEFINED 02                  0    21814        0
ENZO BIOCHEM INC               COM              294100102     1495    83481 SH       DEFINED 02                  0    83481        0
EQUITY OFFICE PROPERTIES TRU   COM              294741103      398    13877 SH       DEFINED 02                  0    13877        0
ESS TECHNOLOGY INC             COM              269151106     2534   148783 SH       DEFINED 02                  0   148783        0
EVEREST RE GROUP LTD           COM              G3223R108     1422    16810 SH       DEFINED 02                  0    16810        0
EXXON MOBIL CORP               COM              30231G102      588    14335 SH       DEFINED 02                  0    14335        0
EXXON MOBIL CORP               COM              30231G102     4461   108794 SH       DEFINED 01                  0   108794        0
FEDERAL REALTY INVT TR         SH BEN INT NEW   313747206      447    11644 SH       DEFINED 01                  0    11644        0
FIRST TR VALUE LINE DIV FD     COM SHS          33735A100      236    16398 SH       DEFINED 01                  0    16398        0
FLAGSTAR BANCORP INC           COM              337930101      339    15836 SH       DEFINED 02                  0    15836        0
FLAHERTY & CRUMRINE PFD INC    COM              33848E106      262    18224 SH       DEFINED 01                  0    18224        0
FREEPORT-MCMORAN COPPER & GO   CL B             35671D857     1132    26865 SH       DEFINED 02                  0    26865        0
GENERAL ELEC CO                COM              369604103      426    13741 SH       DEFINED 02                  0    13741        0
GOLDEN STAR RES LTD CDA        COM              38119T104      445    63826 SH       DEFINED 01                  0    63826        0
GRAY TELEVISION INC            COM              389375106      292    19337 SH       DEFINED 01                  0    19337        0
GUCCI GROUP N V                COM NY REG       401566104     6335    74050 SH       DEFINED 02                  0    74050        0
HALLIBURTON CO                 COM              406216101      692    26610 SH       DEFINED 01                  0    26610        0
HARMAN INTL INDS INC           COM              413086109     2065    27916 SH       DEFINED 02                  0    27916        0
HDFC BANK LTD                  ADR REPS 3 SHS   40415F101      312    10200 SH       DEFINED 02                  0    10200        0
HOLOGIC INC                    COM              436440101      213    12346 SH       DEFINED 02                  0    12346        0
ICICI BK LTD                   ADR              45104G104      218    12700 SH       DEFINED 02                  0    12700        0
INTERNATIONAL GAME TECHNOLOG   COM              459902102     5166   144695 SH       DEFINED 02                  0   144695        0
INTERPORE INTL                 COM              46062W107      338    25987 SH       DEFINED 02                  0    25987        0
ISHARES INC                    MSCI SPAIN       464286764      643    23300 SH       DEFINED 02                  0    23300        0
ISHARES INC                    MSCI ITALY       464286855     1112    56380 SH       DEFINED 02                  0    56380        0
ISHARES INC                    MSCI BELGIUM     464286301      528    40800 SH       DEFINED 02                  0    40800        0
ISHARES INC                    MSCI PAC J IDX   464286665     8102   111780 SH       DEFINED 02                  0   111780        0
ISHARES INC                    MSCI UTD KINGD   464286699      304    19500 SH       DEFINED 02                  0    19500        0
ISHARES INC                    MSCI TAIWAN      464286731      432    38400 SH       DEFINED 02                  0    38400        0
ISHARES INC                    MSCI S KOREA     464286772     1625    64900 SH       DEFINED 02                  0    64900        0
ISHARES INC                    MSCI NETHERLND   464286814      663    40500 SH       DEFINED 02                  0    40500        0
ISHARES INC                    MSCI MALAYSIA    464286830      469    72700 SH       DEFINED 02                  0    72700        0
ISHARES INC                    MSCI JAPAN       464286848    11266  1168665 SH       DEFINED 02                  0  1168665        0
ISHARES INC                    MSCI FRANCE      464286707     3293   162000 SH       DEFINED 02                  0   162000        0
ISHARES TR                     DJ US BAS MATL   464287838      761    16700 SH       DEFINED 02                  0    16700        0
ISHARES TR                     TRANSP AVE IDX   464287192    16146   300000 SH       DEFINED 02                  0   300000        0
ISHARES TR                     DJ US TOTL MKT   464287846     4428    84000 SH       DEFINED 02                  0    84000        0
ISHARES TR                     S&P SMLCAP 600   464287804     6144    45850 SH       DEFINED 02                  0    45850        0
ISHARES TR                     DJ US TECH SEC   464287721     2071    42700 SH       DEFINED 02                  0    42700        0
ISHARES TR                     RUSSELL 3000     464287689     1158    18400 SH       DEFINED 02                  0    18400        0
ISHARES TR                     RUSL 3000 GROW   464287671      438    11600 SH       DEFINED 02                  0    11600        0
ISHARES TR                     RUSL 2000 GROW   464287648     1873    31600 SH       DEFINED 02                  0    31600        0
ISHARES TR                     RUSL 2000 VALU   464287630     3128    19500 SH       DEFINED 02                  0    19500        0
ISHARES TR                     GS NAT RES IDX   464287374     1260    11800 SH       DEFINED 02                  0    11800        0
ISHARES TR                     S&P EURO PLUS    464287861     5427    84600 SH       DEFINED 02                  0    84600        0
ISHARES TR                     S&P 500 INDEX    464287200     9798    88100 SH       DEFINED 02                  0    88100        0
ISHARES TR                     RUSSELL1000GRW   464287614     1863    39800 SH       DEFINED 02                  0    39800        0
ISHARES TR                     S&P GBL ENER     464287341      983    16700 SH       DEFINED 02                  0    16700        0
ISHARES TR                     MSCI EAFE IDX    464287465     7020    51322 SH       DEFINED 02                  0    51322        0
ISHARES TR                     GLMN SCHS SOFT   464287515      596    15792 SH       DEFINED 02                  0    15792        0
ISHARES TR                     GLDM SACHS TEC   464287549     1105    24100 SH       DEFINED 02                  0    24100        0
ISHARES TR                     NASDQ BIO INDX   464287556      813    11300 SH       DEFINED 02                  0    11300        0
ISHARES TR                     RUSSELL1000VAL   464287598     1039    17800 SH       DEFINED 02                  0    17800        0
ISHARES TR                     S&P MIDCP GROW   464287606     3962    33375 SH       DEFINED 02                  0    33375        0
JDS UNIPHASE CORP              COM              46612J101     2563   704125 SH       DEFINED 02                  0   704125        0
JO-ANN STORES INC              COM              47758P307      225    11005 SH       DEFINED 01                  0    11005        0
JONES LANG LASALLE INC         COM              48020Q107      218    10512 SH       DEFINED 01                  0    10512        0
KEY ENERGY SVCS INC            COM              492914106      358    34720 SH       DEFINED 02                  0    34720        0
KONINKLIJKE AHOLD N V          SPON ADR NEW     500467303      271    34900 SH       DEFINED 02                  0    34900        0
KOOKMIN BK NEW                 SPONSORED ADR    50049M109      662    17500 SH       DEFINED 02                  0    17500        0
KOREA ELECTRIC PWR             SPONSORED ADR    500631106      473    45500 SH       DEFINED 02                  0    45500        0
KT CORP                        SPONSORED ADR    48268K101      521    27321 SH       DEFINED 02                  0    27321        0
LENNOX INTL INC                COM              526107107      394    23617 SH       DEFINED 01                  0    23617        0
LEXINGTON CORP PPTYS TR        COM              529043101      250    12385 SH       DEFINED 01                  0    12385        0
LOWES COS INC                  COM              548661107      981    17711 SH       DEFINED 01                  0    17711        0
LUCENT TECHNOLOGIES INC        COM              549463107     1761   619942 SH       DEFINED 01                  0   619942        0
MAGNUM HUNTER RES INC          COM PAR $0.002   55972F203      360    37900 SH       DEFINED 02                  0    37900        0
MANOR CARE INC NEW             COM              564055101      696    20125 SH       DEFINED 01                  0    20125        0
MARKWEST ENERGY PARTNERS L P   UNIT LTD PARTN   570759100      577    14175 SH       DEFINED 01                  0    14175        0
MARKWEST HYDROCARBON INC       COM              570762104      308    27302 SH       DEFINED 01                  0    27302        0
MCDATA CORP                    CL B             580031102      209    21950 SH       DEFINED 02                  0    21950        0
MEDCO HEALTH SOLUTIONS INC     COM              58405U102      524    15419 SH       DEFINED 01                  0    15419        0
MEDICINES CO                   COM              584688105      457    15525 SH       DEFINED 02                  0    15525        0
MERIT MED SYS INC              COM              589889104      717    32216 SH       DEFINED 02                  0    32216        0
NBC CAP CORP                   COM              628729105      362    13559 SH       DEFINED 01                  0    13559        0
NIKE INC                       CL B             654106103     1413    20645 SH       DEFINED 01                  0    20645        0
NYFIX INC                      COM              670712108      718    90711 SH       DEFINED 02                  0    90711        0
OAKLEY INC                     COM              673662102      261    18823 SH       DEFINED 01                  0    18823        0
OIL SVC HOLDRS TR              DEPOSTRY RCPT    678002106     1779    28700 SH       DEFINED 02                  0    28700        0
OPEN JT STK CO-VIMPEL COMMUN   SPONSORED ADR    68370R109     2190    29799 SH       DEFINED 02                  0    29799        0
OVERLAND STORAGE INC           COM              690310107      259    13797 SH       DEFINED 02                  0    13797        0
OXFORD HEALTH PLANS INC        COM              691471106      544    12498 SH       DEFINED 01                  0    12498        0
PATTERSON DENTAL CO            COM              703412106     1117    17455 SH       DEFINED 02                  0    17455        0
PEC SOLUTIONS INC              COM              705107100      642    37847 SH       DEFINED 02                  0    37847        0
PEDIATRIX MED GROUP            COM              705324101      825    14967 SH       DEFINED 01                  0    14967        0
PETROLEO BRASILEIRO SA PETRO   SPONSORED ADR    71654V101      766    28726 SH       DEFINED 02                  0    28726        0
PETSMART INC                   COM              716768106      437    18354 SH       DEFINED 02                  0    18354        0
PG&E CORP                      COM              69331C108     1793    64563 SH       DEFINED 02                  0    64563        0
PHARMACEUTICAL HLDRS TR        DEPOSITRY RCPT   71712A206     1956    24600 SH       DEFINED 02                  0    24600        0
PIER 1 IMPORTS INC             COM              720279108      510    23327 SH       DEFINED 01                  0    23327        0
POSCO                          SPONSORED ADR    693483109     2911    85692 SH       DEFINED 02                  0    85692        0
PULTE HOMES INC                COM              745867101     5549    59272 SH       DEFINED 02                  0    59272        0
QWEST COMMUNICATIONS INTL IN   COM              749121109      365    84442 SH       DEFINED 01                  0    84442        0
RAYONIER INC                   COM              754907103     1182    28483 SH       DEFINED 02                  0    28483        0
RETAIL HOLDRS TR               DEP RCPT         76127U101     1517    16800 SH       DEFINED 02                  0    16800        0
RF MICRODEVICES INC            COM              749941100      913    90802 SH       DEFINED 02                  0    90802        0
SATYAM COMPUTER SERVICES LTD   ADR              804098101      324    11032 SH       DEFINED 02                  0    11032        0
SEAGATE TECHNOLOGY             SHS              G7945J104      282    14941 SH       DEFINED 01                  0    14941        0
SELECT SECTOR SPDR TR          SBI HEALTHCARE   81369Y209      301    10000 SH       DEFINED 02                  0    10000        0
SEMICONDUCTOR HLDRS TR         DEP RCPT         816636203     4313   104150 SH       DEFINED 02                  0   104150        0
SEPRACOR INC                   COM              817315104     1665    69565 SH       DEFINED 02                  0    69565        0
SHOPKO STORES INC              COM              824911101      379    24880 SH       DEFINED 01                  0    24880        0
SILICONWARE PRECISION INDS L   SPONSD ADR SPL   827084864     1223   237476 SH       DEFINED 02                  0   237476        0
SIMON PPTY GROUP INC NEW       COM              828806109     1045    22559 SH       DEFINED 01                  0    22559        0
SK TELECOM LTD                 SPONSORED ADR    78440P108      356    19100 SH       DEFINED 02                  0    19100        0
SPINNAKER EXPL CO              COM              84855W109      908    28147 SH       DEFINED 02                  0    28147        0
SUNTRUST BKS INC               COM              867914103     1009    14107 SH       DEFINED 01                  0    14107        0
SURMODICS INC                  COM              868873100      568    23911 SH       DEFINED 02                  0    23911        0
TAG-IT PAC INC                 COM              873774103      366    81548 SH       DEFINED 01                  0    81548        0
TAIWAN SEMICONDUCTOR MFG LTD   SPONSORED ADR    874039100      852    83200 SH       DEFINED 02                  0    83200        0
TELE NORTE LESTE PART S A      SPON ADR PFD     879246106      204    13236 SH       DEFINED 02                  0    13236        0
TEXAS INSTRS INC               COM              882508104      621    21142 SH       DEFINED 02                  0    21142        0
THOMAS & BETTS CORP            COM              884315102      380    16590 SH       DEFINED 01                  0    16590        0
TIME WARNER INC                COM              887317105      296    16470 SH       DEFINED 02                  0    16470        0
TRACTOR SUPPLY CO              COM              892356106     1163    29824 SH       DEFINED 02                  0    29824        0
TRIMBLE NAVIGATION LTD         COM              896239100      584    15678 SH       DEFINED 02                  0    15678        0
TV AZTECA S A DE C V           SPONSORED ADR    901145102      599    65865 SH       DEFINED 01                  0    65865        0
UCBH HOLDINGS INC              COM              90262T308      407    10434 SH       DEFINED 02                  0    10434        0
ULTRA PETROLEUM CORP           COM              903914109     1837    74599 SH       DEFINED 02                  0    74599        0
UNITED MICROELECTRONICS CORP   SPONSORED ADR    910873207      758   153100 SH       DEFINED 02                  0   153100        0
UTILITIES HOLDRS TR            DEPOSITRY RCPT   918019100     1043    13300 SH       DEFINED 02                  0    13300        0
VANGUARD INDEX TR              STK MRK VIPERS   922908769     1267    11900 SH       DEFINED 02                  0    11900        0
VIACOM INC                     CL B             925524308     1632    36768 SH       DEFINED 01                  0    36768        0
WELLS FARGO & CO NEW           COM              949746101     1721    29222 SH       DEFINED 01                  0    29222        0
XCEL ENERGY INC                COM              98389B100      221    13039 SH       DEFINED 01                  0    13039        0
YANKEE CANDLE INC              COM              984757104      585    21412 SH       DEFINED 02                  0    21412        0