SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                ----------------

                                  SCHEDULE 13G/A
                                 (Rule 13d-102)

                               (Amendment No. 1)*
                                ----------------

              INFORMATION TO BE INCLUDED IN STATEMENTS PURSUANT TO
                   RULES 13d-1(b), (c) AND (d) AND AMENDMENTS
                    THERETO FILED PURSUANT TO 13d-2 UNDER THE
                         SECURITIES EXCHANGE ACT OF 1934

                                 CardioNet, Inc.
                                (Name of Issuer)

                    Common Stock, $0.001 par value per share
                         (Title of Class of Securities)

                                    14159L103

                                 (CUSIP Number)

                                December 31, 2010
             (Date of Event Which Requires Filing of this Statement)


     Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:
     [X]  Rule 13d-1(b)
     [ ]  Rule 13d-1(c)
     [ ]  Rule 13d-1(d)

                               (Page 1 of 6 Pages)
-----------

     * The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.


     The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).




Schedule 13G/A                                                 PAGE 2 of 6
CUSIP No. 14159L103


     (1)     NAME OF REPORTING PERSON
             S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
             Cumberland Associates LLC
------------------------------------------------------------------------
     (2)     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                               (a)  [ ]
                                                               (b)  [X]
------------------------------------------------------------------------
     (3)     SEC USE ONLY

------------------------------------------------------------------------
     (4)     CITIZENSHIP OR PLACE OF ORGANIZATION
                             New York
------------------------------------------------------------------------

NUMBER OF      (5)  SOLE VOTING POWER
                    1,300,000
SHARES         ---------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       ---------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    1,300,000
REPORTING      ---------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             1,300,000
------------------------------------------------------------------------
    (10)     CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES                     [X]
             See Item 2(a)
------------------------------------------------------------------------
    (11)     PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             5.4%
------------------------------------------------------------------------
    (12)     TYPE OF REPORTING PERSON
             OO, IA
------------------------------------------------------------------------



Schedule 13G/A                                                 PAGE 3 of 6
CUSIP No. 14159L103


ITEM 1(a).  NAME OF ISSUER:
            CardioNet, Inc. (the "Issuer")

ITEM 1(b).  ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
            227 Washington Street
            Conshohocken, PA 19428

ITEM 2(a).  NAME OF PERSON FILING:
            This statement is being filed by Cumberland Associates LLC
            (the "Reporting Person").

               Cumberland Associates LLC is engaged in the business of managing,
               on  a  discretionary  basis,  three  securities  accounts  (the
               "Accounts"),  the  principal one of which is Cumberland Partners.
               Gary  G. Tynes, Andrew M. Wallach, Barry A. Konig, Jesse C. Chen
               and  Robert J. Wall are the members (the "Members") of Cumberland
               Associates  LLC.  The  number  of  shares  beneficially  owned by
               Cumberland  Associates  LLC set forth herein does not include 250
               shares  beneficially owned by one or more Members or employees in
               individual  personal  accounts.

ITEM 2(b).  ADDRESS OF PRINCIPAL OFFICE OR, IF NONE, RESIDENCE:
            The address of the principal business and office of Cumberland
            Associates LLC and each of the Members is 767 Third Avenue,
            39th Floor, New York, New York 10017.

ITEM 2(c).  CITIZENSHIP:
            Cumberland Associates LLC is a limited liability company organized
            under the laws of New York. Each of the Members is a citizen of the
            United States.

ITEM 2(d).  TITLE OF CLASS OF SECURITIES:
            Common Stock, $0.001 par value per share

ITEM 2(e).  CUSIP NUMBER:
            14159L103

ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO 13d-1(b) OR 13d-2(b) OR (c),
CHECK WHETHER THE PERSON FILING IS A:

         (a)[ ] Broker or dealer registered under Section 15 of the Act

         (b)[ ] Bank as defined in Section 3(a)(6) of the Act

         (c)[ ] Insurance Company as defined in Section 3(a)(19) of the
                Act

         (d)[ ] Investment Company registered under Section 8 of the
                Investment Company Act of 1940




Schedule 13G/A                                                 PAGE 4 of 6
CUSIP No. 14159L103


         (e)[X] Investment Adviser registered under Section 203 of the
                Investment Advisers Act of 1940: see Rule 13d-1(b)(1)(ii)(E)

         (f)[ ] Employee Benefit Plan, Pension Fund which is subject to
                the provisions of the Employee Retirement Income Security
                Act of 1974 or Endowment Fund; see Rule 13d-1(b)(1)(ii)(F)

         (g)[ ] Parent Holding Company, in accordance with Rule 13d-1(b)(ii)(G);

         (h)[ ] Savings Associations as defined in Section 3(b) of the
                Federal Deposit Insurance Act;

         (i)[ ] Church Plan that is excluded from the definition of an
                investment company under Section 3(c)(14) of the Investment
                Company Act of 1940;

         (j)[ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

         IF THIS STATEMENT IS FILED PURSUANT TO Rule 13d-1(c),
         CHECK THIS BOX.                                           [ ]

ITEM 4.  OWNERSHIP.

         The percentages used herein and in the rest of this Schedule 13G/A are
calculated based upon the 24,229,546 shares of Common Stock outstanding as of
November 1, 2010 as reported in the Issuer's Quarterly Report on Form 10Q for
the fiscal quarter ending September 30, 2010.

          (a) Amount beneficially owned: 1,300,000
          (b) Percent of class: 5.4%
          (c)(i) Sole power to vote or direct the vote: 1,300,000
            (ii) Shared power to vote or direct the vote: 0
           (iii) Sole power to dispose or direct the disposition: 1,300,000
            (iv) Shared power to dispose or direct the disposition: 0

ITEM 5.  OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.
         If this statement is being filed to report the fact that as of the date
         hereof the reporting person has ceased to be the beneficial owner of
         more than five percent of the class of securities, check the following.
         [ ]

ITEM 6.  OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.
         The beneficial owners of the Accounts have the right to participate in
         the receipt of dividends from, or proceeds from the sale of, the
         shares held for each Account in accordance with their ownership
         interests in each such Account.





Schedule 13G/A                                                 PAGE 5 of 6
CUSIP No. 14159L103


ITEM 7.  IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED
         THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.
         Not applicable.

ITEM 8.  IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.
         Not applicable.

ITEM 9.  NOTICE OF DISSOLUTION OF GROUP.
         Not applicable.

ITEM 10. CERTIFICATION.
         By signing below the Reporting Person certifies that, to the
         best of its knowledge and belief, the securities referred to
         above were acquired and are held in the ordinary course of
         business and were not acquired and are not held for the
         purpose of or with the effect of changing or influencing the
         control of the issuer of the securities and were not acquired
         and are not held in connection with or as a participant in any
         transaction having that purpose or effect.





Schedule 13G/A                                                 PAGE 6 of 6
CUSIP No. 14159L103


                                    SIGNATURE

      After reasonable inquiry and to the best of our knowledge and belief, the
undersigned certify that the information set forth in this statement is true,
complete and correct.

DATED:  February 7, 2011

                             CUMBERLAND ASSOCIATES LLC



                             By:  /s/ Gary G. Tynes
                                  -----------------
                             Name:   Gary G. Tynes
                             Title:  Managing Member/Chief
                                     Operating Officer/Chief Financial Officer