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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, DC 20549

                                  SCHEDULE 13G

                   UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 1)*

                               UNDER ARMOUR, INC.
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                                (Name of Issuer)

                  Class A Common Stock $0.0003 1/3  par value
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                         (Title of Class of Securities)

                                   904311107
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                                 (CUSIP Number)

                               December 31, 2007
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            (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).


PERSONS WHO RESPOND TO THE COLLECTION OF INFORMATION CONTAINED IN THIS FORM ARE
NOT REQUIRED TO RESPOND UNLESS THE FORM DISPLAYS A CURRENTLY VALID OMB CONTROL
NUMBER.


                               Page 1 of 6 Pages
                                No Exhibit Index



CUSIP NO. 904311107                     13G                    Page 2 of 6 Pages
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  1.    Names of Reporting Persons.
        I.R.S. Identification Nos. of above persons (entities only).

        Turner Investment Partners, Inc.
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  2.    Check the Appropriate Box if a Member of a Group (See Instructions)
        (a) [ ]

        (b) [ ]

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  3.    SEC Use Only


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  4.    Citizenship or Place of Organization

        Pennsylvania
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     Number of             5.      Sole Voting Power

      Shares                       2,135,496
                           -----------------------------------------------------
   Beneficially            6.      Shared Voting Power

     Owned by                      0
                           -----------------------------------------------------
       Each                7.      Sole Dispositive Power

     Reporting                     3,708,905
                           -----------------------------------------------------
   Person With:            8.      Shared Dispositive Power

                                   0
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  9.    Aggregate Amount Beneficially Owned by Each Reporting Person

        3,708,905
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 10.    Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares
        (See Instructions)

        [ ]
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 11.    Percent of Class Represented by Amount in Row (9)

        10.5%
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 12.    Type of Reporting Person (See Instructions)

        IA
--------------------------------------------------------------------------------

--------------------------------------------------------------------------------

--------------------------------------------------------------------------------

--------------------------------------------------------------------------------

--------------------------------------------------------------------------------

--------------------------------------------------------------------------------


CUSIP NO. 904311107                  13G                       PAGE 3 OF 6 PAGES

ITEM 1.


                                                        
(a) Name of Issuer:                                        Under Armour, Inc.
(b) Address of Issuer's Principal                          1020 Hull Street, 3rd Floor
    Executive Offices:                                     Baltimore, MD 21230


ITEM 2.

(a) -- (c) Name, Principal Business Address and Citizenship of Person Filing:

           Turner Investment Partners, Inc.
           1205 Westlakes Drive, Suite 100
           Berwyn, PA 19312
           Citizenship:  Pennsylvania

(d)    Title of Class of Securities:   Class A Common Stock $0.00031/3 par value
(e)    CUSIP Number:   904311107


ITEM 3.  IF THIS STATEMENT IS FILED PURSUANT TO RULE 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 Exchange Act.
(b)  [ ]  Bank as defined in Section 3(a)(6) of the Exchange Act.
(c)  [ ]  Insurance company as defined in Section 3(a)(19) of the Exchange Act.
(d)  [ ]  Investment company registered under Section 8 of the Investment
          Company Act.
(e)  [X]  An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);
(f)  [ ]  An employee benefit plan or endowment fund in accordance with
          Rule 13d-1(b)(1)(ii)(F);
(g)  [ ]  A parent holding company or control person in accordance with
          Rule 13d-1(b)(1)(ii)(G);
(h)  [ ]  A savings associations as defined in Section 3(b) of the Federal
          Deposit Insurance Act;
(i)  [ ]  A church plan that is excluded from the definition of an investment
          company under Section 3(c)(14) of the Investment Company Act;
(j)  [ ]  Group, in accordance with Rule 13d-1(b)(1)(ii)(J).



ITEM 4.  OWNERSHIP.

(a) Amount beneficially owned:  3,708,905



CUSIP NO. 904311107                  13G                       PAGE 4 OF 6 PAGES


(b) Percent of class: 10.5% (Based upon 35,349,356 shares of Class A Common
    Stock, $0.00031/3 par value outstanding as of October 31, 2007 as disclosed
    in the Under Armour, Inc., Quarterly Report on Form 10-Q for the quarter
    ended September 30, 2007, as filed with the Securities and Exchange
    Commission on November 7, 2007.)

(c) Number of shares as to which such person has:

    (i)    Sole power to vote or to direct the vote:  2,135,496
    (ii)   Shared power to vote or to direct the vote:  0
    (iii)  Sole power to dispose or to direct the disposition of:  3,708,905
    (iv)   Shared power to dispose or direct the disposition of:  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 5
percent of the class of securities, check the following.

ITEM 6.  OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.

The securities in respect of this Schedule 13G Amendment No. 1, which is filed
by Turner Investment Partners, Inc. in its capacity as an investment adviser,
are owned of record by clients of Turner Investment Partners, Inc. Those clients
have the right to receive, or the power to direct the receipt of, dividends
from, or the proceeds from the sale of, such securities. No such client is known
to have such right or power with respect to more than five percent of this class
of securities.


ITEM 7.  IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE
         SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY OR CONTROL
         PERSON.

         Not Applicable.

ITEM 8.  IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.

         Not Applicable.

ITEM 9.  NOTICE OF DISSOLUTION OF GROUP.

         Not Applicable.



CUSIP NO. 904311107                  13G                       PAGE 5 OF 6 PAGES


ITEM 10. CERTIFICATION.

         By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above 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.



CUSIP NO. 904311107                  13G                       PAGE 6 OF 6 PAGES


                                    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.

                                                    January 10, 2008
                                           -------------------------------------
                                           Date

                                           Turner Investment Partners, Inc.

                                           By:      /s/ Brian F. McNally
                                              ----------------------------------
                                           Name:  Brian F. McNally
                                           Title: General Counsel and Chief
                                                  Compliance Officer