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|                                     |                                                                                                          | MORGAN STANLEY SMITH BARNEY SPECTRUM GLOBAL BALANCED L.P. |                                |   |
|------------------------------------------|---------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------|-------------------------------------|--------|
|                                     |                                                                                                          | (Exact name of registrant as specified in its charter)    |                                |   |
|                                     | Delaware                                                                                                      |                                                      | 13-3782232                          |
|                                     |      State or other jurisdiction of     incorporation or organization |                                                      | (I.R.S. EmployerIdentification No.) |
|                                     |                                                                                                          |                                                      |                                |
| Demeter Management LLC                   |                                                                                                          |                                                      |
| 522 Fifth Avenue, 13th Floor             |                                                                                                          |                                                      |
| New York, NY                             |                                                                                                          | 10036                                                     |
| (Address of principal executive offices) |                                                                                                          | (Zip Code)                                                |

| Registrant’s telephone number, including area code    |   | (212) 296-1999        |
|-------------------------------------------------------------|--------|-----------------------|
|                                                        |   |                  |
| Securities registered pursuant to Section 12(b) of the Act: |   |                  |
|                                                        |   |                  |
| Title of each class                                         |   | Name of each exchange |
|                                                        |   | On which registered   |
|                                                        |   |                  |
| None                                                        |   | None                  |
|                                                        |   |                  |

| Large accelerated filer o | Accelerated filer o         |
|---------------------------|-----------------------------|
| Non-accelerated filer x   | Smaller reporting company o |

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|           | MORGAN STANLEY SMITH BARNEY SPECTRUM GLOBAL BALANACED L.P. |
|----------------|------------------------------------------------------------|
|           | (Registrant)                                               |
|           |                                                       |   |
|           | By:                                                        | Demeter Management LLC |
|           |                                                       | (General Partner) |
|           |                                                       |   |
| March 29, 2010 | By:                                                        | /s/ Christian Angstadt |
|           |                                                       | Christian Angstadt, Chief Financial Officer |
|           |                                                       |   |

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| 13.01   | December 31, 2009, Annual Report to Limited Partners is filed herewith. |
|-------------------|-------------------------------------------------------------------------|

| 31.01 | Certification of President of Demeter Management LLC, the general partner of the Partnership pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. |
|-------|---------------------------------------------------------------------------------------------------------------------------------------------------------|

| 31.02 | Certification of Chief Financial Officer of Demeter Management LLC, the general partner of the Partnership pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. |
|-------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 32.01 | Certification of President of Demeter Management LLC, the general partner of the Partnership, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. |
|-------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 32.02 | Certification of Chief Financial Officer of Demeter Management LLC, the general partner of the Partnership, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. |
|-------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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