Sec Form 4 Filing - SPO ADVISORY CORP @ ADVENT SOFTWARE INC /DE/ - 2013-05-10

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person SPO ADVISORY CORP 2. Issuer Name and Ticker or Trading Symbol ADVENT SOFTWARE INC /DE/ [ ADVS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 591 REDWOOD HIGHWAY, SUITE 3215, 3. Date of Earliest Transaction (MM/DD/YY) 05/10/2013 (Street) MILL VALLEY, CA94941 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 05/10/2013 S 7,542,279 D $ 25.25 8,198,921 I ( 1 ) ( 2 ) ( 3 ) ( 4 ) See footnotes

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other SPO ADVISORY CORP 591 REDWOOD HIGHWAY, SUITE 3215 MILL VALLEY, CA94941 X SPO ADVISORY PARTNERS LP 591 REDWOOD HIGHWAY, SUITE 3215 MILL VALLEY, CA94941 X SPO PARTNERS II LP 591 REDWOOD HIGHWAY, SUITE 3215 MILL VALLEY, CA94941 X Edward & Elizabeth McDermott Trust 591 REDWOOD HIGHWAY SUITE 3215 MILL VALLEY, CA94941 X SCULLY JOHN H 591 REDWOOD HIGHWAY, SUITE 3215 MILL VALLEY, CA94941 X X WEINBERG ELI J 591 REDWOOD HIGHWAY , SUITE 3215 MILL VALLEY, CA94941 X PHOEBE SNOW FOUNDATION 591 REDWOOD HIGHWAY , SUITE 3215 MILL VALLEY, CA94941 X SAN FRANCISCO PARTNERS LP 591 REDWOOD HIGHWAY, SUITE 3215 MILL VALLEY, CA94941 X SF ADVISORY PARTNERS LP 591 REDWOOD HIGHWAY , SUITE 3215 MILL VALLEY, CA94941 X Signatures Kim M. Silva, Attorney in fact 05/10/2013 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The entities directly selling these shares reported on this form are SPO Partners II, L.P. ("SPO Partners"), which sold 6,896,279 shares, San Francisco Partners, L.P. ("SF Partners"), which sold 617,000 shares and Phoebe Snow Foundation ("PSF"), which sold 29,000 shares. The price for the sales on 5/10/13, reported in Table I above, was $25.25. ( 2 )Due to the sales causing this filing, 7,526,521 shares are owned directly by SPO Partners, and may be deemed to be indirectly beneficially owned by (i) SPO Advisory Partners, L.P. ("SPO Advisory"), the sole general partner of SPO Partners, (ii) SPO Advisory Corp. ("SPO Corp."), the sole general partner of SPO Advisory, and (iii) John H. Scully ("JHS") and Edward H. McDermott ("EHM"), the two controlling persons of SPO Corp. 672,400 shares are owned directly by San Francisco Partners, L.P. ("SF Partners"), and may be deemed to be indirectly beneficially owned by (i)SF Advisory Partners, L.P. ("SF Advisory"), the sole general partner of SF Partners, (ii) SPO Corp. the sole general partner of SF Advisory and (iii) JHS and EHM, the two controlling persons of SPO Corp. Additionally, Phoebe Snow Foundation ("PSF") owns 31,800 shares. ( 3 )Additionally, JHS owns 400 shares in his IRAs, which are self-directed. Additionally, Eli J. Weinberg ("EJW"), owns 340 shares in his individual account, which is self-directed. ( 4 )Additionally, JHS owns 120,000 options of the issuer's common stock. These options were granted to JHS as a director of the company under the 2002 Stock Plan. Pursuant to the partnership agreement governing SPO Partners, total options owned by JHS may be deemed to be indirecly beneficially owned by SPO Partners, along with any profits arising from the exercise of the options or the benefits of these options once they are vested. JHS and EHM are the two controlling persons of SPO Corp, the sole general partner of SPO Advisory, which is the sole general partner of SPO Partners. Each of the reporting owners disclaims beneficial ownership of the reported securities except to the extent of such person's pecuniary interest, if any, therein.

Remarks: Form 2 of 2.The individuals listed in Notes (1),(2),(3) and (4) above (each a "Reporting Person") may be deemed to form a "group", as such term is defined in Rule 13d-5(b)(1) promulgated under the Securities Exchange Act of 1934, for purposes of this filing. JHS is the Chairman of the Board of Directors of the issuer. This filing shall not be deemed as an admission by any Reporting Person that such person is, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the beneficial owner of any equity securities covered by this statement. Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of such person's pecuniary interest, if any, therein.

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