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

                                   FORM 13F

                             FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: March 31, 2013

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       Highfields Capital Management LP
Address    John Hancock Tower
           200 Clarendon Street, 59th Floor
           Boston, MA 02116

Form 13F File Number:    028-03499

The institutional investment manager filing this report and the person
by whom it is signed hereby represent that the person signing this 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.

Person Signing this Report on Behalf of Reporting Manager:

Name    Joseph F. Mazzella
Title   General Counsel
Phone   (617) 850-7500

Signature, Place, and Date of Signing:

/s/ Joseph F. Mazzella       Boston, Massachusetts       May 15, 2013
----------------------       ---------------------       ------------
[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).)





                                 FORM 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers:           1
Form 13F Information Table Entry Total:      97
Form 13F Information Table Value Total:      11,017,620   (thousands)

List of Other Included Managers:

Provide a numbered list of the name(s) and Form 13F file number(s) of
all institutional investment managers with respect to which this report
is filed, other than the manager filing this report.

No.  Form 13F File Number  Name
---  --------------------  ----
1    028-04629             Jonathon S. Jacobson




                              FORM 13F INFORMATION TABLE



             COL 1                 COL 2          COL 3     COL 4          COL 5       COL 6    COL 7                COL 8
                                                              US $    SHARES
                                                             VALUE        OR SH/ PUT/ INVSTMT   OTHER          VOTING AUTHORITY
NAME OF ISSUER                 TITLE OF CLASS   CUSIP     (x$1000)   PRN AMT PRN CALL DSCRETN  MANAGERS     SOLE    SHARED    NONE
------------------------------ ---------------- --------- -------- --------- --- ---- ------- ---------- --------- -------- --------
                                                                                                
THE ADT CORPORATION            COM              00101J106    52352   1069725 SH       OTHER   01           1069725      0        0
AETNA INC NEW                  COM              00817Y108   123035   2406780 SH       OTHER   01           2406780      0        0
AGNICO EAGLE MINES LTD         COM              008474108     9850    240000 SH       OTHER   01            240000      0        0
ALLSCRIPTS HEALTHCARE SOLUTN   COM              01988P108    16308   1199999 SH       OTHER   01           1199999      0        0
AMERICAN INTL GROUP INC        COM NEW          026874784   190218   4900000 SH       OTHER   01           4900000      0        0
ANADARKO PETE CORP             COM              032511107   498681   5702469 SH       OTHER   01           5702469      0        0
AON PLC                        SHS CL A         G0408V102    21402    348000 SH       OTHER   01            348000      0        0
BENEFICIAL MUTUAL BANCORP IN   COM              08173R104    10307   1000640 SH       OTHER   01           1000640      0        0
BP PLC                         SPONSORED ADR    055622104    42908   1013180 SH       OTHER   01           1013180      0        0
BUFFALO WILD WINGS INC         COM              119848109    26303    300505 SH       OTHER   01            300505      0        0
CANADIAN NAT RES LTD           COM              136385101   627957  19544266 SH       OTHER   01          19544266      0        0
CAPITAL ONE FINL CORP          COM              14040H105    54950   1000000 SH       OTHER   01           1000000      0        0
CARNIVAL CORP                  PAIRED CTF       143658300     9604    280000 SH       OTHER   01            280000      0        0
CARTER INC                     COM              146229109    63267   1104713 SH       OTHER   01           1104713      0        0
CBS CORP NEW                   CL B             124857202   121578   2603941 SH       OTHER   01           2603941      0        0
CERNER CORP                    COM              156782104    15856    167341 SH       OTHER   01            167341      0        0
C H ROBINSON WORLDWIDE INC     COM NEW          12541W209    11892    200000 SH       OTHER   01            200000      0        0
CHARTER COMMUNICATIONS INC D   CL A NEW         16117M305    95963    921127 SH       OTHER   01            921127      0        0
CITIGROUP INC                  COM NEW          172967424    11281    255000 SH       OTHER   01            255000      0        0
COCA COLA ENTERPRISES INC NE   COM              19122T109    32305    875000 SH       OTHER   01            875000      0        0
COMMONWEALTH REIT              COM SH BEN INT   203233101    84324   3757775 SH       OTHER   01           3757775      0        0
COMPUWARE CORP                 COM              205638109    87327   6986129 SH       OTHER   01           6986129      0        0
DEAN FOODS CO NEW              COM              242370104    27739   1530000 SH       OTHER   01           1530000      0        0
DELL INC                       COM              24702R101   327743  22871119 SH       OTHER   01          22871119      0        0
DIGITAL RLTY TR INC            COM              253868103   102493   1531800 SH  PUT  OTHER   01           1531800      0        0
DIRECTV                        COM              25490A309   429101   7579945 SH       OTHER   01           7579945      0        0
DISH NETWORK CORP              CL A             25470M109    89409   2359081 SH       OTHER   01           2359081      0        0
DOLLAR TREE INC                COM              256746108   217837   4497986 SH       OTHER   01           4497986      0        0
EXPRESS SCRIPTS HLDG CO        COM              30219G108    42430    736000 SH       OTHER   01            736000      0        0
FAMILY DLR STORES INC          COM              307000109   255982   4335000 SH       OTHER   01           4335000      0        0
FOSSIL INC                     COM              349882100    48300    500000 SH       OTHER   01            500000      0        0
FRANKLIN RES INC               COM              354613101   172300   1142500 SH       OTHER   01           1142500      0        0
GASLOG LTD                     SHS              G37585109     4144    322265 SH       OTHER   01            322265      0        0
GENCO SHIPPING & TRADING LTD   SHS              Y2685T107     5761   2000200 SH       OTHER   01           2000200      0        0
GENERAL DYNAMICS CORP          COM              369550108   133081   1887400 SH  CALL OTHER   01           1887400      0        0
GENWORTH FINL INC              COM CL A         37247D106   131676  13167557 SH       OTHER   01          13167557      0        0
GOLDCORP INC NEW               COM              380956409    10929    325000 SH       OTHER   01            325000      0        0
GOLD FIELDS LTD NEW            SPONSORED ADR    38059T106    11625   1500000 SH       OTHER   01           1500000      0        0
GOOGLE INC                     CL A             38259P508   173099    218000 SH       OTHER   01            218000      0        0
HCA HOLDINGS INC               COM              40412C101   105638   2600000 SH       OTHER   01           2600000      0        0
HERITAGE FINL GROUP INC        COM              42726X102      543     37500 SH       OTHER   01             37500      0        0
HESS CORP                      COM              42809H107   179025   2500000 SH       OTHER   01           2500000      0        0
HILLTOP HOLDINGS INC           COM              432748101     8413    623622 SH       OTHER   01            623622      0        0
IAMGOLD CORP                   COM              450913108     7203   1000000 SH       OTHER   01           1000000      0        0
ILLUMINA INC                   COM              452327109    80348   1487917 SH       OTHER   01           1487917      0        0
INGERSOLL-RAND PLC             SHS              G47791101   127391   2315771 SH       OTHER   01           2315771      0        0
INTERCONTINENTAL HTLS GRP PL   SPON ADR NEW 12  45857P400      568     18666 SH       OTHER   01             18666      0        0
INTERCONTINENTALEXCHANGE INC   COM              45865V100   322716   1979000 SH       OTHER   01           1979000      0        0
INVESCO LTD                    SHS              G491BT108    43793   1512176 SH       OTHER   01           1512176      0        0
IRON MTN INC                   COM              462846106   353557   9737184 SH       OTHER   01           9737184      0        0
ISHARES TR                     RUSSELL 2000     464287655   377720   4000000 SH  PUT  OTHER   01           4000000      0        0
ISHARES TR                     RUSL 2000 GROW   464287648    90510    840000 SH       OTHER   01            840000      0        0
ISHARES TR                     RUSSELL MIDCAP   464287499    21576    169500 SH       OTHER   01            169500      0        0
LENDER PROCESSING SVCS INC     COM              52602E102    47805   1877649 SH       OTHER   01           1877649      0        0
LIBERTY INTERACTIVE CORP       LBT VENT COM A   53071M880   108488   1435404 SH       OTHER   01           1435404      0        0
LIFE TECHNOLOGIES CORP         COM              53217V109    64630   1000000 SH       OTHER   01           1000000      0        0
LINN ENERGY LLC                UNIT LTD LIAB    536020100    34546    911500 SH  PUT  OTHER   01            911500      0        0
LINNCO LLC                     COMSHS LTD INT   535782106     4296    110000 SH  PUT  OTHER   01            110000      0        0
MCGRAW HILL COS INC            COM              580645109   394879   7582159 SH       OTHER   01           7582159      0        0
METLIFE INC                    COM              59156R108    53348   1403162 SH       OTHER   01           1403162      0        0
MGM RESORTS INTERNATIONAL      NOTE  4.250% 4/1 55303QAE0    10881  10000000 PRN      OTHER   01          10000000      0        0
MONDELEZ INTL INC              CL A             609207105   205595   6716612 SH       OTHER   01           6716612      0        0
JPMORGAN CHASE & CO            COM              46625H100   185306   3904469 SH       OTHER   01           3904469      0        0
NCR CORP NEW                   COM              62886E108    18465    670000 SH       OTHER   01            670000      0        0
NEWS CORP                      CL A             65248E104   684084  22414300 SH       OTHER   01          22414300      0        0
NORTHEAST BANCORP              COM NEW          663904209     2995    317286 SH       OTHER   01            317286      0        0
NORTHROP GRUMMAN CORP          COM              666807102    30635    436700 SH       OTHER   01            436700      0        0
OPKO HEALTH INC                COM              68375N103     2284    299399 SH       OTHER   01            299399      0        0
ORACLE CORP                    COM              68389X105   120510   3726350 SH       OTHER   01           3726350      0        0
PENNYMAC MTG INVT TR           COM              70931T103    12945    500000 SH       OTHER   01            500000      0        0
POST HLDGS INC                 COM              737446104    51099   1190284 SH       OTHER   01           1190284      0        0
RADIOSHACK CORP                COM              750438103    10332   3075000 SH       OTHER   01           3075000      0        0
SALESFORCE COM INC             COM              79466L302    89415    500000 SH  PUT  OTHER   01            500000      0        0
SANDRIDGE ENERGY INC           COM              80007P307    70302  13340000 SH       OTHER   01          13340000      0        0
SLM CORP                       COM              78442P106   675514  32984066 SH       OTHER   01          32984066      0        0
SPDR DOW JONES INDL AVRG ETF   UT SER 1         78467X109    19443    133700 SH       OTHER   01            133700      0        0
SPDR SERIES TRUST              S&P BK ETF       78464A797    30097   1118000 SH       OTHER   01           1118000      0        0
SPDR S&P 500 ETF TR            TR UNIT          78462F103    55719    355920 SH       OTHER   01            355920      0        0
SYMETRA FINL CORP              COM              87151Q106    32941   2456436 SH       OTHER   01           2456436      0        0
TALISMAN ENERGY INC            COM              87425E103    31728   2590000 SH       OTHER   01           2590000      0        0
TEVA PHARMACEUTICAL INDS LTD   ADR              881624209    45621   1149728 SH       OTHER   01           1149728      0        0
WENDYS CO                      COM              95058W100    20086   3542547 SH       OTHER   01           3542547      0        0
TIM HORTONS INC                COM              88706M103   330461   6083606 SH       OTHER   01           6083606      0        0
TIME WARNER CABLE INC          COM              88732J207   245783   2558645 SH       OTHER   01           2558645      0        0
TURQUOISE HILL RES LTD         COM              900435108    23604   3708326 SH       OTHER   01           3708326      0        0
TW TELECOM INC                 COM              87311L104    15769    626000 SH       OTHER   01            626000      0        0
UNITED PARCEL SERVICE INC      CL B             911312106   183646   2137900 SH  CALL OTHER   01           2137900      0        0
UNITED PARCEL SERVICE INC      CL B             911312106   495438   5767610 SH       OTHER   01           5767610      0        0
UNITEDHEALTH GROUP INC         COM              91324P102    77230   1349946 SH       OTHER   01           1349946      0        0
VANGUARD INTL EQUITY INDEX F   FTSE EMR MKT ETF 922042858    36028    840000 SH       OTHER   01            840000      0        0
VERISIGN INC                   COM              92343E102    28362    600000 SH  CALL OTHER   01            600000      0        0
VERIZON COMMUNICATIONS INC     COM              92343V104    24575    500000 SH  PUT  OTHER   01            500000      0        0
VERTEX PHARMACEUTICALS INC     COM              92532F100    21363    388558 SH       OTHER   01            388558      0        0
VISTEON CORP                   COM NEW          92839U206   104830   1816810 SH       OTHER   01           1816810      0        0
VODAFONE GROUP PLC NEW         SPONS ADR NEW    92857W209    84778   2984100 SH       OTHER   01           2984100      0        0
WILLIAMS COS INC DEL           COM              969457100    14074    375714 SH       OTHER   01            375714      0        0
YPF SOCIEDAD ANONIMA           SPON ADR CL D    984245100   107372   7513755 SH       OTHER   01           7513755      0        0