SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549
                             ----------------------

                                    FORM 6-K

                        REPORT OF FOREIGN PRIVATE ISSUER

                    Pursuant to Rule 13a-16 or 15d-16 of the
                         Securities Exchange Act of 1934

                           For the month of: June 2001

                                    ABB Ltd
               (Exact name of registrant as specified in charter)

                                       N/A
                 (Translation of registrant's name into English)

        P.O. Box 8131, Affolternstrasse 44, CH-8050, Zurich, Switzerland
                    (Address of principal executive offices)



          Indicate  by check  mark  whether  the  registrant  files or will file
annual reports under cover Form 20-F or Form 40-F.

                           Form 20-F   X             Form 40-F
                                      ---                        ---

          Indicate  by check mark  whether  the  registrant  by  furnishing  the
information contained in this Form is also thereby furnishing the information to
the Commission  pursuant to Rule 12g3-2(b) under the Securities  Exchange Act of
1934.

                           Yes                       No   X
                                 ---                     ---

          If "Yes" is marked,  indicate  below the file  number  assigned to the
registrant in connection with Rule 12g3-2(b): 82-________





<PAGE>


This Form 6-K consists of a Notification of Treasury Share Purchases dated June
7, 2001.


<PAGE>


                                       ABB


7 June 2001

ABB Value Services
Switzerland:  +41 1 317 7266
Sweden:  +46 21 32 59 28
USA:  +1 203 750 77 43


NOTIFICATION OF TREASURY SHARE PURCHASES

Dear Sir/Madam,

In accordance with Swiss Exchange requirements,  please be informed that we have
today  informed  the  Exchange  that  since June 1,  2001,  the ABB Group  holds
74,230,312  registered  shares of ABB Ltd,  corresponding  to 6.19% of the total
number of outstanding shares and votes of ABB Ltd.

As the 5% disclosure  threshold in Swiss law has thus been  exceeded,  the Swiss
Exchange as well as other Stock Exchanges where the shares of ABB Ltd are listed
are hereby informed accordingly.

Sincerely yours,
/s/ Cheryl A. Sunderland
Cheryl A. Sunderland
Group Vice President
Head of Group Function Value Services

<PAGE>



                                    SIGNATURE


          Pursuant to the  requirements of the Securities  Exchange Act of 1934,
the  registrant  has duly  caused  this report to be signed on its behalf by the
undersigned, thereunto duly authorized.


                                 ABB LTD


Date:    June 12, 2001           By:    /s/ RENATO FASSBIND
                                     ----------------------------------------
                                     Name:  Renato Fassbind
                                     Title: Executive Vice President and Chief
Financial Officer



                                 By:     /s/ HANS ENHORNING
                                     ----------------------------------------
                                     Name:  Hans Enhorning
                                     Title: Vice President and Assistant
                                             General Counsel