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<FILENAME>13F_filing_MAR_2013.txt

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

                                    Form 13F

                               Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended:  March 31, 2013

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:     Flow Traders US LLC
Address:  1095 Avenue of the Americas, 24th Fl
          New York NY 10036


Form 13F File Number:  028-14610

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:     Wouter Buitenhuis
Title:    COO
Phone:    917-210-5020

Signature, Place, and Date of Signing:

      Wouter Buitenhuis                New York, NY           May 13, 2013
      ------------------               -----------              -------------
         [Signature]                  [City, State]                 [Date]

Report Type (Check only one.):

[X]   13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager
      are reported in this report.)

[ ]   13F NOTICE. (Check here if no holdings reported are in this report, and
      all holdings are reported by other reporting manager(s).)

[ ]   13F COMBINATION REPORT. (Check here if a portion of the holdings for this
      reporting manager are reported in this report and a portion are reported
      by other reporting manager(s).)

List of Other Managers Reporting for this Manager:
[If there are no entries in this list, omit this section.]

Form 13F File Number     Name






                              Form 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers:                 0
                                         -----------

Form 13F Information Table Entry Total:          173
                                         -----------

Form 13F Information Table Value Total:  $   624,931
                                         -----------
                                         (thousands)

List of Other Included Managers:


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

[If there are no entries in this list, state "NONE" and omit the column headings
and list entries.]

NONE




                           FORM 13F INFORMATION TABLE

Flow Traders US LLC 03/31/2013




                              	                        	                                                      VOTING AUTHORITY
                              	     TITLE OF         	              VALUE    SHRS OR   SH/ PUT/ INVESTMENT OTHER    ---------------
      NAME OF ISSUER           	     CLASS          	 CUSIP      (x$1000)  PRN AMT   PRN CALL DISCRETION MANAGERS SOLE SHARED NONE
-------------------------------	     ------------------- ---------  --------  -------- ---- ---- ---------- -------- ---- ----- ----
                         	                    	                                                 

PHILIPS ELECTRONICS-NY SHR                  NY Reg Shrs       500472303    24     831     SH        SOLE               831     0   0
PROSHARES ULTRASHORT MSCI BR                ETP               74348A673    10     154     SH        SOLE               154     0   0
MAXIS NIKKEI 225 INDEX FUND                 ETP               74016W106    2638   166448  SH        SOLE               166448  0   0
PROSHARES ULTRA MSCI JAPAN                  ETP               74347X708    30     399     SH        SOLE               399     0   0
ETRACS NAT GAS FUT CONTANGO                 ETP               90267B799    4      151     SH        SOLE               151     0   0
ISHARES MSCI EAFE VALUE INX                 ETP               464288877    25753  518501  SH        SOLE               518501  0   0
VELOCITYSHARES 3X INVERSE GO                ETP               22542D670    662    14378   SH        SOLE               14378   0   0
POWERSHARES INDIA PORTFOLIO                 ETP               73935L100    620    34586   SH        SOLE               34586   0   0
SPDR S&P WORLD EX-US ETF                    ETP               78463X889    1070   41011   SH        SOLE               41011   0   0
VANGUARD FTSE EMERGING MARKE                ETP               922042858    9152   213434  SH        SOLE               213434  0   0
CREDIT SUISSE GROUP-SPON ADR                ADR               225401108    11     413     SH        SOLE               413     0   0
ROYAL DUTCH SHELL PLC-ADR                   ADR               780259206    1024   15725   SH        SOLE               15725   0   0
ABERDEEN CHILE FUND INC                     Closed-End Fund   00301W105    5      309     SH        SOLE               309     0   0
TOTAL SA-SPON ADR                           ADR               89151E109    96     2000    SH        SOLE               2000    0   0
MARKET VECTORS INDONESIA IND                ETP               57060U753    1881   58774   SH        SOLE               58774   0   0
FIRST TRUST EMERGING MARKETS                ETP               33737J182    2669   102645  SH        SOLE               102645  0   0
PWRSHS DB COMMODITY SHORT                   ETP               25154H467    409    13579   SH        SOLE               13579   0   0
PWR DB COMMODITY DOUBLE SHOR                ETP               25154H483    238    8858    SH        SOLE               8858    0   0
IPATH DJ-UBS COCOA SUBINDEX                 ETP               06739H313    85     2948    SH        SOLE               2948    0   0
ARCELORMITTAL-NY REGISTERED                 NY Reg Shrs       03938L104    394    30000   SH        SOLE               30000   0   0
ISHARES MSCI MALAYSIA                       ETP               464286830    824    55433   SH        SOLE               55433   0   0
POWERSHS DB GOLD SHORT ETN                  ETP               25154H731    351    28602   SH        SOLE               28602   0   0
IPATH DJ-UBS SUGAR SUBINDX T                ETP               06739H214    1110   17265   SH        SOLE               17265   0   0
SIEMENS AG-SPONS ADR                        ADR               826197501    22     200     SH        SOLE               200     0   0
WISDOMTREE INDIA EARNINGS                   ETP               97717W422    7138   399937  SH        SOLE               399937  0   0
MARKET VECTORS RUSSIA SMALL                 ETP               57060U399    1      44      SH        SOLE               44      0   0
SCHWAB EMERGING MARKETS EQUI                ETP               808524706    1460   57276   SH        SOLE               57276   0   0
VELOCITYSHARES 3X LONG SILVE                ETP               22542D662    680    32349   SH        SOLE               32349   0   0
CENTRAL GOLDTRUST                           Closed-End Fund   153546106    627    10525   SH        SOLE               10525   0   0
PROSHARES ULTSHRT DJ-UBS NAT                ETP               74347W767    217    12428   SH        SOLE               12428   0   0
PROSHARES ULTRA VIX ST FUTUR                ETP               74347W411    4196   542201  SH        SOLE               542201  0   0
ISHARES CORE MSCI EMERGING                  ETP               46434G103    28109  554783  SH        SOLE               554783  0   0
NUVEEN DIV DIVIDEND AND INCM                Closed-End Fund   6706EP105    0      1       SH        SOLE               1       0   0
POWERSHARES DB CRUDE OIL LNG                ETP               25154K866    714    53993   SH        SOLE               53993   0   0
TEUCRIUM SUGAR FUND                         ETP               88166A409    7      404     SH        SOLE               404     0   0
ISHARES MSCI MEXICO CAPPED I                ETP               464286822    1921   25792   SH        SOLE               25792   0   0
PWRSHS DB AGR DOUBLE SHT ETN                ETP               25154H566    42     2877    SH        SOLE               2877    0   0
IPATH DJ-UBS ENERGY SUBINDEX                ETP               06739H750    139    7561    SH        SOLE               7561    0   0
ISHARES MSCI EM ASIA                        ETP               464286426    78     1400    SH        SOLE               1400    0   0
SUMITOMO MITSUI-SPONS ADR                   ADR               86562M209    1      62      SH        SOLE               62      0   0
PROSHARES VIX SHORT-TERM FUT                ETP               74347W692    50     4528    SH        SOLE               4528    0   0
ELEMENTS ROGERS METALS TR                   ETP               870297405    3      253     SH        SOLE               253     0   0
ISHARES FTSE CHINA 25 INDEX                 ETP               464287184    4121   110332  SH        SOLE               110332  0   0
ISHARES MSCI FRANCE INDEX FD                ETP               464286707    4240   184422  SH        SOLE               184422  0   0
ISHARES MSCI BRIC INDEX FUND                ETP               464286657    2900   74663   SH        SOLE               74663   0   0
UNILEVER N V  -NY SHARES                    NY Reg Shrs       904784709    20     500     SH        SOLE               500     0   0
VIMPELCOM LTD-SPON ADR                      ADR               92719A106    68     5759    SH        SOLE               5759    0   0
DIREXION DLY EMG MKT BULL 3X                ETP               25459Y686    218    2264    SH        SOLE               2264    0   0
POWERSHARES DB BASE METALS F                ETP               73936B705    23     1315    SH        SOLE               1315    0   0
ISHARES MSCI SOUTH AFRICA                   ETP               464286780    420    6621    SH        SOLE               6621    0   0
VELOCITYSHARES 3X INVERSE CR                ETP               22542D548    15     356     SH        SOLE               356     0   0
PROSHARES U/S MSCI PAC X-JPN                ETP               74347X229    16     600     SH        SOLE               600     0   0
SPDR S&P INTER DVD ETF                      ETP               78463X772    5      100     SH        SOLE               100     0   0
ETFS PLATINUM TRUST                         ETP               26922V101    16     100     SH        SOLE               100     0   0
SPDR S&P EMERGING MARKETS DI                ETP               78463X533    1      23      SH        SOLE               23      0   0
POWERSHARES DB SILVER FUND                  ETP               73936B309    669    13643   SH        SOLE               13643   0   0
CHINA MOBILE LTD-SPON ADR                   ADR               16941M109    0      7       SH        SOLE               7       0   0
FREESCALE SEMICONDUCTOR LTD                 Common Stock      G3727Q101    0      1       SH        SOLE               1       0   0
IPATH DJ-UBS PLATINUM SUBIND                ETP               06739H255    666    18706   SH        SOLE               18706   0   0
GOOGLE INC-CL A                             Common Stock      38259P508    2      2       SH        SOLE               2       0   0
DIREXION DAILY INDIA BULL 3X                ETP               25459W383    84     4623    SH        SOLE               4623    0   0
PROSHARES ULTRA GOLD                        ETP               74347W601    1051   13504   SH        SOLE               13504   0   0
ISHARES MSCI SWEDEN INDEX FD                ETP               464286756    6564   203427  SH        SOLE               203427  0   0
TEUCRIUM AGRICULTURAL FUND                  ETP               88166A706    572    12459   SH        SOLE               12459   0   0
PROSHARES ULTRASHORT EUROPE                 ETP               74348A301    257    10198   SH        SOLE               10198   0   0
ING GROEP N.V.-SPONSORED ADR                ADR               456837103    8      1151    SH        SOLE               1151    0   0
PROSHARES ULTRASHORT MSCI ME                ETP               74347X179    805    37012   SH        SOLE               37012   0   0
SANOFI-ADR                                  ADR               80105N105    117    2330    SH        SOLE               2330    0   0
C-TRACKS ETN VOLATILITY INDX                ETP               17318Q475    78     5237    SH        SOLE               5237    0   0
PROSHARES ULTRA SILVER                      ETP               74347W841    3119   80820   SH        SOLE               80820   0   0
VANGUARD FTSE EUROPE ETF                    ETP               922042874    6758   138835  SH        SOLE               138835  0   0
VELOCITYSHARES 3X INVERSE NA                ETP               22542D530    335    30627   SH        SOLE               30627   0   0
ISHARES MSCI SOUTH KOREA CAP                ETP               464286772    3034   50953   SH        SOLE               50953   0   0
PROSHARES ULTRASHORT GOLD                   ETP               74347W395    1899   28242   SH        SOLE               28242   0   0
PROSHARES ULTRASHORT SILVER                 ETP               74347W114    3085   57292   SH        SOLE               57292   0   0
ETRACS DAILY LONG/SHORT VIX                 ETP               902641596    951    52525   SH        SOLE               52525   0   0
PROSHARES SHORT MSCI EMR MKT                ETP               74347R396    84     3054    SH        SOLE               3054    0   0
ISHARES MSCI CHINA INDEX FD                 ETP               46429B671    2249   49199   SH        SOLE               49199   0   0
MOLYCORP INC                                Common Stock      608753109    0      15      SH        SOLE               15      0   0
DIREXION RUSSIA BULL 3X                     ETP               25459Y645    248    8877    SH        SOLE               8877    0   0
ISHARES MSCI HONG KONG INDEX                ETP               464286871    3312   167518  SH        SOLE               167518  0   0
CTC MEDIA INC                               Common Stock      12642X106    3      271     SH        SOLE               271     0   0
PWRSHS DB GOLD DOUBLE SHORT                 ETP               25154H756    345    71293   SH        SOLE               71293   0   0
FACEBOOK INC-A                              Common Stock      30303M102    0      2       SH        SOLE               2       0   0
PROSHARES ULTRA MSCI BRAZIL                 ETP               74347X120    3      47      SH        SOLE               47      0   0
WASHINGTON POST-CLASS B                     Common Stock      939640108    9      21      SH        SOLE               21      0   0
ISHARES MSCI EMU                            ETP               464286608    24177  745795  SH        SOLE               745795  0   0
INDIA FUND INC                              Closed-End Fund   454089103    2      106     SH        SOLE               106     0   0
ETRACS CMCI INDUST MTLS TR                  ETP               902641752    1      41      SH        SOLE               41      0   0
PROSHARES ULT DJ-UBS NAT GAS                ETP               74347W122    5897   113988  SH        SOLE               113988  0   0
ISHARES MSCI SPAIN CAPPED IN                ETP               464286764    12588  447667  SH        SOLE               447667  0   0
ISHA MSCI EMERG MKT MIN VOL                 ETP               464286533    4079   67166   SH        SOLE               67166   0   0
MOBILE TELESYSTEMS-SP ADR                   ADR               607409109    21     1030    SH        SOLE               1030    0   0
ISHARES MSCI TAIWAN INDEX FD                ETP               464286731    4261   319224  SH        SOLE               319224  0   0
DIREXION GOLD MINERS BEAR 3X                ETP               25459W235    19     368     SH        SOLE               368     0   0
ISHARES MSCI SINGAPORE                      ETP               464286673    14908  1071831 SH        SOLE               1071831 0   0
GUGGENHEIM SOLAR ETF                        ETP               18383Q739    3      160     SH        SOLE               160     0   0
DIREXION DLY RUSSIA BEAR 3X                 ETP               25459W284    194    10754   SH        SOLE               10754   0   0
VELOCITYSHARES 3X LONG NATUR                ETP               22542D571    1328   40462   SH        SOLE               40462   0   0
SPDR S&P 500 ETF TRUST                      ETP               78462F103    8294   53116   SH        SOLE               53116   0   0
PROSHARES SHORT VIX ST FUTUR                ETP               74347W627    2734   29964   SH        SOLE               29964   0   0
SCHWAB INTL EQUITY ETF                      ETP               808524805    4604   166278  SH        SOLE               166278  0   0
MARKET VECTORS GOLD MINERS                  ETP               57060U100    258    6794    SH        SOLE               6794    0   0
PROSHARES VIX MID-TERM FUT                  ETP               74347W684    87     3300    SH        SOLE               3300    0   0
CHINA TELECOM CORP LTD-ADR                  ADR               169426103    5      100     SH        SOLE               100     0   0
CIE GEN GEOPHYSIQUE-SP ADR                  ADR               204386106    127    5495    SH        SOLE               5495    0   0
PROSHRE ULT DJ-UBS CRUDE OIL                ETP               74347W650    1767   56669   SH        SOLE               56669   0   0
ISHARES MSCI AUSTRIA CAPPED                 ETP               464286202    135    7898    SH        SOLE               7898    0   0
IPATH S&P 500 DYN VIX ETN                   ETP               06741L609    7237   176457  SH        SOLE               176457  0   0
SPDR MSCI ACWI IMI ETF                      ETP               78463X475    1283   23929   SH        SOLE               23929   0   0
IPATH PURE BETA INDUSTRIALS                 ETP               06740P296    2      64      SH        SOLE               64      0   0
VELOCITYSHARES 3X INVERSE SI                ETP               22542D654    661    21873   SH        SOLE               21873   0   0
IPATH INVERSE S&P 500 VIX SH                ETP               06740L592    48     1260    SH        SOLE               1260    0   0
ISHARES GOLD TRUST                          ETP               464285105    299    19165   SH        SOLE               19165   0   0
MICROSOFT CORP                              Common Stock      594918104    0      4       SH        SOLE               4       0   0
POWERSHARES DB CRUDE SHORT                  ETP               25154K874    812    19503   SH        SOLE               19503   0   0
VELOCITYSHARES 2X VIX SH-TRM                ETP               22539T852    0      92      SH        SOLE               92      0   0
ETRACS CMCI SILVER TR ETN                   ETP               902641794    25     633     SH        SOLE               633     0   0
IPATH DJ-UBS COTTON SUBINDX                 ETP               06739H271    339    5935    SH        SOLE               5935    0   0
FIRST CITIZENS BCSHS  -CL A                 Common Stock      31946M103    5      30      SH        SOLE               30      0   0
ISHARES MSCI ALL COUNTRY WOR                ETP               464286525    296    4810    SH        SOLE               4810    0   0
TATA COMMUNICATIONS-ADR                     ADR               876564105    73     9342    SH        SOLE               9342    0   0
ISHARES S&P GLBL TELECOMM SE                ETP               464287275    19     321     SH        SOLE               321     0   0
IPATH DJ-UBS NICKEL SUBINDEX                ETP               06739F119    280    11132   SH        SOLE               11132   0   0
PWRSHS DB GOLD DOUBLE LONG                  ETP               25154H749    1126   23742   SH        SOLE               23742   0   0
HONDA MOTOR CO LTD-SPONS ADR                ADR               438128308    0      9       SH        SOLE               9       0   0
VELOCITYSHARES VIX SHORT-TRM                ETP               22542D811    1504   137275  SH        SOLE               137275  0   0
PAX MSCI EAFE ESG INDEX ETF                 ETP               70422P206    1      57      SH        SOLE               57      0   0
SPDR GOLD TRUST                             ETP               78463V107    4541   29230   SH        SOLE               29230   0   0
PWRSHS DB COMMOD DOUBLE LONG                ETP               25154H475    37     4179    SH        SOLE               4179    0   0
PWRSHS DB AGRICULTURE LONG                  ETP               25154H533    42     2274    SH        SOLE               2274    0   0
ETRACS CMCI LNG PLATINUM TR                 ETP               902641786    536    29735   SH        SOLE               29735   0   0
KEYNOTES FT 130/30 LARGE CAP                ETP               46625H761    87     3012    SH        SOLE               3012    0   0
IPATH INVERSE S&P 500 VIX II                ETP               06741K486    432    11671   SH        SOLE               11671   0   0
ISHARES MSCI PERU CAPPED                    ETP               464289842    893    20275   SH        SOLE               20275   0   0
PWRSHS DB AGRICULTURE SHORT                 ETP               25154H541    928    41755   SH        SOLE               41755   0   0
TOYOTA MOTOR CORP -SPON ADR                 ADR               892331307    417    4040    SH        SOLE               4040    0   0
SPDR S&P BRIC 40 ETF                        ETP               78463X798    23     985     SH        SOLE               985     0   0
ISHARES MSCI CANADA                         ETP               464286509    1078   37993   SH        SOLE               37993   0   0
ISHARES MSCI EAFE INDEX FUND                ETP               464287465    281881 4802315 SH        SOLE               4802315 0   0
ISHARES MSCI NETHERLANDS INV                ETP               464286814    10624  524407  SH        SOLE               524407  0   0
ISHARES MSCI RUSSIA                         ETP               46429B705    0      4       SH        SOLE               4       0   0
IPATH DJ-UBS COFFEE SUBINDEX                ETP               06739H297    223    7509    SH        SOLE               7509    0   0
VELOCITYSHARES 2X VIX MED-TM                ETP               22542D779    111    16656   SH        SOLE               16656   0   0
DIREXION DLY LAT AMER BULL3X                ETP               25459Y652    136    1900    SH        SOLE               1900    0   0
SPDR S&P RUSSIA ETF                         ETP               78463X558    219    8028    SH        SOLE               8028    0   0
GREAT PANTHER SILVER LTD                    Common Stock      39115V101    0      39      SH        SOLE               39      0   0
AEGON N.V.-NY REG SHR                       NY Reg Shrs       007924103    0      68      SH        SOLE               68      0   0
DIREXION DLY EMG MKT BEAR 3X                ETP               25459W482    80     8100    SH        SOLE               8100    0   0
CENTRAL FUND CANADA LTD-A                   Closed-End Fund   153501101    379    19500   SH        SOLE               19500   0   0
TELECOM ITALIA SPA-SPON ADR                 ADR               87927Y102    17     2468    SH        SOLE               2468    0   0
SPDR EURO STOXX 50 ETF                      ETP               78463X202    6633   202350  SH        SOLE               202350  0   0
PROSHARES ULT MSCI PAC X-JPN                ETP               74347X534    1049   24975   SH        SOLE               24975   0   0
ISHARES MSCI ACWI INDEX FUND                ETP               464288257    57846  1143936 SH        SOLE               1143936 0   0
NOKIA CORP-SPON ADR                         ADR               654902204    153    45911   SH        SOLE               45911   0   0
POWERSHARES DB OIL 2X SHORT                 ETP               25154K809    2039   50431   SH        SOLE               50431   0   0
APPLE INC                                   Common Stock      037833100    0      1       SH        SOLE               1       0   0
PROSHARES ULTSHRT MSCI EM                   ETP               74347X575    55     2425    SH        SOLE               2425    0   0
ETRACS CMCI GOLD TR ETN                     ETP               902641810    62     1462    SH        SOLE               1462    0   0
IPATH PURE BETA NICKEL                      ETP               06740P213    0      12      SH        SOLE               12      0   0
ALCATEL-LUCENT-SPONSORED ADR                ADR               013904305    24     18558   SH        SOLE               18558   0   0
VELOCITYSHARES 3X LONG CRUDE                ETP               22542D589    748    23654   SH        SOLE               23654   0   0
IPATH DJ-UBS LIVESTOCK SUB                  ETP               06739H743    153    5852    SH        SOLE               5852    0   0
ISHARES S&P EUROPE 350                      ETP               464287861    2878   73002   SH        SOLE               73002   0   0
HDFC BANK LTD-ADR                           ADR               40415F101    33     900     SH        SOLE               900     0   0
PWRSHS DB AGRI DOUBLE LONG                  ETP               25154H558    1      73      SH        SOLE               73      0   0
IPATH DJ-UBS PRECIOUS METALS                ETP               06739H248    3345   39532   SH        SOLE               39532   0   0
FIRST SOLAR INC                             Common Stock      336433107    8      281     SH        SOLE               281     0   0
PROSHARES ULTRA MSCI MEXICO                 ETP               74347X518    10     200     SH        SOLE               200     0   0
UNITED STATES OIL FUND LP                   ETP               91232N108    4817   139428  SH        SOLE               139428  0   0