<PAGE>
As filed with the Securities and Exchange Commission on July 26, 2000
Registration No. 333-53055
--------------------------------------------------------------------------------
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
------------------------------
POST-EFFECTIVE AMENDMENT NO. 2
TO
FORM S-4
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
-----------------------------
PIMCO ADVISORS HOLDINGS L.P.
(Exact name of registrant as specified in its charter)
Delaware 13-3412614
(State or Other Jurisdiction of (I.R.S. Employer
Incorporation of Organization) Identification Number)
800 Newport Center Drive
Newport Beach, California 92660
(949) 219-2200
(Address, including Zip Code, Telephone Number,
including Area Code, of Registrant's Principal Executive Offices)
Richard M. Weil
Managing Director and General Counsel
800 Newport Center Drive
Newport Beach, California 92660
(949) 219-2200
(Name, Address, including Zip Code, and Telephone Number,
including Area Code, of Agent for Service)
-----------------------------
Copy to:
David C. Flattum
Latham & Watkins
650 Town Center Drive, 20th Floor
Costa Mesa, California 92626
(714) 540-1235
-----------------------------
If the securities being registered on this form are being offered in
connection with the formation of a holding company and there is compliance with
General Instruction G, check the following box. [_]
If this form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, check the following box and
list the Securities Act registration statement number of the earlier effective
registration statement for the same offering. [_]
If this form is a post-effective amendment filed pursuant to Rule 462(d) under
the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. [_]
--------------------------------------------------------------------------------
<PAGE>
DEREGISTRATION OF UNITS OF LIMITED PARTNERSHIP
This Post-Effective Amendment No. 2 (this "Amendment") amends the
Registration Statement on Form S-4 (Registration No. 333-53055) filed May 19,
1998 and amended June 1, 1998 (the "Registration Statement") pursuant to which
PIMCO Advisors Holdings L.P., a Delaware limited partnership (the "Registrant")
registered 10,000,000 of its units of limited partner interest under the
Securities Act of 1933, as amended. The Securities and Exchange Commission
declared the Registration Statement effective on June 1, 1998. The Registrant
filed Post-Effective Amendment No. 1 to the Registration Statement on April 21,
1999.
The Registrant is filing this Amendment to deregister 8,244,395 of its
units of limited partner interest previously registered pursuant to the
Registration Statement, but which have not been offered and sold prior to the
date of this Amendment.
<PAGE>
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the
registrant has duly caused this Post-Effective Amendment No. 2 to the
Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Newport Beach, State of California, on July 26,
2000.
PIMCO ADVISORS HOLDINGS L.P., a Delaware
limited partnership
By: /s/ Richard M. Weil
Richard M. Weil
Managing Director and General Counsel
