Exhibit 13.1

EXHIBIT 13.1: CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER PURSUANT TO 18 U.S.C.
SECTION 1350, AS ADOPTED  PURSUANT TO SECTION 906 OF THE  SARBANES-OXLEY  ACT OF
2002.

In  connection  with the  Annual  Report of Van der  Moolen  Holding  N.V.  (the
"Company")  on Form 20-F for the fiscal year ended  December 31, 2003,  as filed
with the Securities and Exchange  Commission on the date hereof (the  "Report"),
I,  Friedrich  M.J.  Bottcher,  Chairman of the Executive  Board of the Company,
certify,  pursuant to 18 U.S.C.  1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

1.   The Report fully complies with the  requirements  of Section 13(a) or 15(d)
     of the Securities Exchange Act of 1934; and

2.   The information  contained in the Report fairly  presents,  in all material
     respects, the financial condition and results of operations of the Company.

Dated: June 25, 2004

                           /s/ Friedrich M.J. Bottcher
                          --------------------------------
                          Friedrich M.J. Bottcher
                          Chairman of the Executive Board
                          Van der Moolen Holding N.V.


The foregoing certification is being furnished solely pursuant to section 906 of
the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter
63 of title 18, United States Code) and is not being filed as part of the Report
or as a  separate  disclosure  document.  A  signed  original  of  this  written
statement  required by Section 906 has been  provided to the Company and will be
retained by the Company and furnished to the Securities and Exchange  Commission
or its staff upon request.