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

                                    Form 13F
                               Form 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: 9/30/2010
Check here if Amendment []; Amendment Number:
                                               -------
This Amendment (Check only one.):               [] is a restatement.
                                                [] adds new holdings entries.

Institutional Investment Manager Filing this Report:


Name:      The Baupost Group, L.L.C.

Address:   10 St. James Avenue
           Suite 1700
           Boston, MA 02116


Form 13F File Number: 28-7120


The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.

Persons Signing this Report on Behalf of Reporting Manager:

Name:   Scott A. Nathan
Title:  Chief Risk Officer
Phone:  (617) 210-8300

Signature,  Place,  and  Date  of  Signing:

/s/ Scott A. Nathan                Boston, MA                         11/15/2010
- ---------------------------------  ---------------------------------  ----------
[Signature]                        [City, State]                      [Date]



Report  Type  (Check  only  one):

[X]     13F HOLDINGS REPORT. (Check here if all holdings of this reporting
        manager are reported in this report.)

[ ]     13F NOTICE. (Check here if no holdings reported are in this report,
        and all holdings are reported by other reporting manager(s).)

[ ]     13F COMBINATION REPORT. (Check here if a portion of the holdings for
        this reporting manager are reported in this report and a portion are
        reported by other reporting manager(s).)

List of Other Managers Reporting for this Manager:




                              Form 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers:                    0

Form 13F Information Table Entry Total:              18

Form 13F Information Table Value Total:  $    1,650,973
                                         --------------
                                         (In Thousands)


List of Other Included Managers:

Provide a numbered list of the name(s) and 13F file number(s) of all
institutional investment managers with respect to which this report is filed,
other than the manager filing this report.
NONE







                                                  FORM 13F INFORMATION TABLE

          COLUMN 1              COLUMN 2     COLUMN 3  COLUMN 4     COLUMN 5       COLUMN 6  COLUMN 7       COLUMN 8
- ---------------------------- --------------- --------- -------- ----------------- ---------- -------- --------------------
                                                        VALUE   SHRS OR  SH/ PUT/ INVESTMENT  OTHER     VOTING AUTHORITY
       NAME OF ISSUER        TITLE OF CLASS    CUSIP   (x$1000) PRN AMT  PRN CALL DISCRETION MANAGERS   SOLE   SHARED NONE
- ---------------------------- --------------- --------- -------- -------- --- ---- ---------- -------- -------- ------ ----
                                                                                     
ALERE INC                    COM             01449J105    46395  1500000 SH       SOLE                 1500000      0    0
ALLIANCE ONE INTL INC        COM             018772103    36520  8800000 SH       SOLE                 8800000      0    0
AUDIOVOX CORP                CL A            050757103     7254  1060576 SH       SOLE                 1060576      0    0
BREITBURN ENERGY PARTNERS LP COM UT LTD PTN  106776107   130822  7160500 SH       SOLE                 7160500      0    0
CAPITALSOURCE INC            COM             14055X102   108287 20278400 SH       SOLE                20278400      0    0
DOMTAR CORP                  COM NEW         257559203    51664   800000 SH       SOLE                  800000      0    0
ENERGY XXI (BERMUDA) LTD     USD UNRS SHS    G10082140     6124   265000 SH       SOLE                  265000      0    0
ENZON PHARMACEUTICALS INC    COM             293904108   116727 10382698 SH       SOLE                10382698      0    0
ITURAN LOCATION AND CONTROL  SHS             M6158M104    24783  1721066 SH       SOLE                 1721066      0    0
LIBERTY MEDIA CORP NEW       LIB STAR COM A  53071M708    64930  1000000 SH       SOLE                 1000000      0    0
MULTIMEDIA GAMES INC         COM             625453105     9620  2600000 SH       SOLE                 2600000      0    0
NEWS CORP                    CL A            65248E104   248793 19050000 SH       SOLE                19050000      0    0
REGENERON PHARMACEUTICALS    COM             75886F107    27400  1000000 SH       SOLE                 1000000      0    0
SOLAR CAP LTD                COM             83413U100    37887  1766300 SH       SOLE                 1766300      0    0
SYNERON MEDICAL LTD          ORD SHS         M87245102    14880  1500000 SH       SOLE                 1500000      0    0
THERAVANCE INC               COM             88338T104   261300 13000000 SH       SOLE                13000000      0    0
THERAVANCE INC               NOTE 3.000% 1/1 88338TAA2    44370 51000000 PRN      SOLE                51000000      0    0
VIASAT INC                   COM             92552V100   413217 10051492 SH       SOLE                10051492      0    0