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


FORM 6K


Report of Foreign Issuer

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


For the month of April 2003

Commission File Number: 001-15152


SYNGENTA AG
(Translation of registrant’s name into English)

Schwarzwaldallee 215
4058 Basel
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 if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Yes        No   X  

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

Yes        No   X  

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):   N/A  







Re:   SYNGENTA AG
Major Shareholders

Filed herewith is a notification with regard to Major Shareholders by Syngenta AG. The full text of the notification follows:

# # #








Major shareholders

Based on Article 20 of the Swiss Stock Exchange Act Syngenta AG has received the following notification from Deutsche Bank Group. Deutsche Bank Group reported a holding of 5,859,880 Ordinary Shares corresponding to 5,21% of the share capital of Syngenta AG. Deutsche Bank Group consists of the following members:

Deutsche Bank AG, Taunusanlage 12, D-60325 Frankfurt am Main
Deutsche Asset Management Investmentgesellschaft mbH, Mainzer Landstrasse 178-190, D-60327 Frankfurt am Main
Deutsche Asset Management Investments Services Ltd, One Appolt St, GB-London EC2A 2UU
Deutsche Asset Management Life & Pensions Ltd, One Appolt St, GB-London EC2A 2UU
Deutsche Asset Management Ltd, One Appolt St, GB-London EC2A 2UU
Deutsche Investment Trust Managers Ltd, One Appolt St, GB-London EC2A 2UU
Nissay Deutsche Asset Management Europe Ltd, One Appolt St, GB-London EC2A 2UU
Deutsche Investment Management Americas Inc., 345 Park Av, New York, USA-NY 10154
Deutsche Bank Nominees (Jersey) Ltd, St. Paul’s Gate, New Street, GBJ-St.Helier, JE4 82B
Deutsche Vermögensbildungsgesellschaft mbH, Mainzer Landstrasse, 178-190, D-60327 Frankfurt am Main
DWS Investment GmbH, Mainzer Landstrasse 178-190, D-60327 Frankfurt am Main
DWS (Austria) Investmentgesellschaft mbH, Hohenstaufengasse 4, A-1010 Wien
DWS Investments Italy SGR SPA, Via M. Gioia n.8, I-20124 Milano
Deutsche Bank Securities Inc., 31 West 52nd Street, New York, USA-NY10019
Deutsche Bank Trust Company Americas Inc., 130 Liberty Street, New York, USA-NY 10006

In compliance with Article 19 of the Swiss Stock Exchange Ordinance-FBC this information will be published in the Swiss Official Gazette of Commerce.

Syngenta AG
Basel, Switzerland April 11, 2003






SIGNATURES

     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.

  SYNGENTA AG
     
Date: April 11, 2003 By: /s/ Christoph Mäder
   
    Name: Christoph Mäder
Title:   General Counsel
     
     
  By: /s/ Damian Heller
   
    Name:  Damian Heller
Title:   Company Secretary