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


                             SCHEDULE 13G

               Under the Securities Exchange Act of 1934


                           (Amendment No. )*


                         Cooper-Standard Holdings
                             (Name of Issuer)

                               Comon Stock
                      (Title of Class of Securities)

                                21676P103
                              (CUSIP Number)

                               May 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)

*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).



















CUSIP: 21676P103                                                Page 1 of 5



 1   NAMES OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
     Capital World Investors **


 2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE
     INSTRUCTIONS)                                                 (a)

                                                                    (b)
 3   SEC USE ONLY


 4   CITIZENSHIP OR PLACE OF ORGANIZATION

     Delaware

             5   SOLE VOTING POWER

                  2,365,016


             6   SHARED VOTING POWER
 NUMBER OF
   SHARES         NONE
BENEFICIALL
 Y OWNED BY
             7   SOLE DISPOSITIVE POWER
    EACH
 REPORTING        2,770,879
   PERSON
   WITH:
             8   SHARED DISPOSITIVE POWER

                  NONE

 9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     2,770,879          Beneficial ownership disclaimed pursuant to Rule
     13d-4


 10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS)


 11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     15.2%

 12  TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     IA

** A division of Capital Research and Management Company (CRMC)






CUSIP: 21676P103                                                Page 2 of 5


                  SECURITIES AND EXCHANGE COMMISSION
                         Washington, DC 20549

                             Schedule 13G
               Under the Securities Exchange Act of 1934

Amendment No.

Item 1(a)     Name of Issuer:
       Cooper-Standard Holdings

Item 1(b)     Address of Issuer's Principal Executive Offices:
       39550 Orchard Hill Place Drive
       Novi MI 48374

Item 2(a)     Name of Person(s) Filing:
       Capital World Investors

Item 2(b)     Address of Principal Business Office or, if none,
       Residence:
       333 South Hope Street
       Los Angeles, CA 90071

Item 2(c)     Citizenship:   N/A

Item 2(d)     Title of Class of Securities:
       Comon Stock

Item 2(e)     CUSIP Number:
       21676P103

Item 3     If this statement is filed pursuant to sections 240.13d-1(b)
       or 240.13d-2(b) or (c), check whether the person filing is a:
       (e)      [X]     An investment adviser in accordance with
            section 240.13d-1(b)(1)(ii)(E).

Item 4     Ownership

       Provide the following information regarding the aggregate
       number and percentage of the class of securities of the issuer
       identified in Item 1.


       (a)    Amount beneficially owned:
       (b)    Percent of class:
       (c)    Number of shares as to which the person has:
       (i)    Sole power to vote or to direct the vote:
       (ii)   Shared power to vote or to direct the vote:
       (iii)  Sole power to dispose or to direct the disposition of:
       (iv)   Shared power to dispose or to direct the disposition of:

       See page 2

       Capital World Investors is deemed to be the beneficial owner of
       2,770,879 shares or 15.2% of the 18,265,338 shares of Comon
       Stock believed to be outstanding as a result of CRMC acting as
       investment adviser to various investment companies registered
       under Section 8 of the Investment Company Act of 1940.


CUSIP: 21676P103                                                Page 3 of 5
 

Shares reported by Capital World Investors, include 529,196 shares resulting from the assumed conversion of 123,333 Convertible Preferred and 245,609 shares resulting from the assumed conversion of 246,609 warrants expiring 11/27/17. 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: One or more clients of Capital World Investors have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Comon Stock of Cooper-Standard Holdings. Capital World Investors holds more than five percent of the outstanding Comon Stock of Cooper-Standard Holdings as of May 31, 2010 on behalf of each of the following client(s): American High-Income Trust Item 7 Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person: N/A Item 8 Identification and Classification of Members of the Group: N/A Item 9 Notice of Dissolution of Group: N/A Item 10 Certification By signing below, I certify that, to the best of my 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. Signature After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Date: June 9, 2010 Signature: Robert W. Lovelace*** Name/Title: Robert W. Lovelace - Senior Vice President Capital World Investors CUSIP: 21676P103 Page 4 of 5

***By /s/ Walter R. Burkley Walter R. Burkley Attorney-in-fact Signed pursuant to a Power of Attorney dated December 21, 2007 included as an Exhibit to Schedule 13G filed with the Securities and Exchange Commission by Capital World Investors on January 10, 2008 with respect to Lowes Companies, Incorporated. CUSIP: 21676P103 Page 5 of 5