Form 6-K
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16
of the Securities Exchange Act of 1934
For the month of August, 2004
CONVERIUM HOLDING AG
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(Translation of registrant's name into English)
Baarerstrasse 8
CH-6300 Zug
Switzerland
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(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
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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
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If "Yes" is marked, indicate the file number assigned to the registrant in
connection with Rule 12g3-2(b): 82- Not Applicable
Capital Group Companies Inc. adjusts its holding in Converium shares from 4.05%
to 5.34% (held and managed in various funds)
Converium Holding Ltd has been notified that Capital Group Companies Inc., 333
South Hope Street, Los Angeles, CA, 90071-1406, USA, has increased as a group
its holding on behalf of funds managed by Capital Research and Management
Company, 333 South Hope Street, Los Angeles, CA, USA, and clients of Capital
Guardian Trust Company, 11100 Santa Monica Blvd 15th Floor, Los Angeles, CA,
USA, Capital International Ltd., 25 Bedford St., London, England, Capital
International Inc., 11100 Santa Monica Blvd 15th Floor, Los Angeles, CA, USA,
and Capital International S.A., 3 Place des Bergues, 1201 Geneva, Switzerland,
to 2,137,095 registered shares in Converium Holding Ltd, Zug. This corresponds
to 5.34% of Converium's registered shares. None of these entities represented by
Capital Group Companies Inc. individually holds shares of 5% or more of
Converium's registered share capital.
Zug, August 10, 2004
Contacts:
Zuzana Drozd
Head of Investor Relations
zuzana.drozd@converium.com
+41 (0)1 639 91 20
Michael Schiendorfer
Media Relations Manager
michael.Schiendorfer@converium.com
+41 (0)1 639 96 57
www.converium.com
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.
CONVERIUM HOLDING AG
By:/s/ Dirk Lohmann
Name: Dirk Lohmann
Title: CEO
By:/s/ Christian Felderer
Name: Christian Felderer
Title: Group General Counsel
Date: August 13, 2004
Monthly disclosure of equity securities newly created from conditional capital