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

Form 13F

FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: December 31, 2012
Check here if Amendment [ ]; Amendment Number: 0
This Amendment (Check only one.): [ ] is a restatement.
				  [ ] adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name: Massachusetts Institute of Technology
Address: 238 Main Street, Suite 200
	 Cambridge, MA 02142-1012

Form 13F File Number: 28-1002

The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct
and complete, and that it isunderstood 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: Seth Alexander
Title: President MITIMco
Phone: 617-253-4900

Signature, Place, and Date of Signing:

Seth Alexander	Cambridge, Massachusetts	February 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).)

List of Other Managers Reporting for this Manager: NONE
[If there are no entries in this list, omit this section.]


FORM 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers: 0
Form 13F Information Table Entry Total: 3
Form 13F Information Table Value Total: 32001
					(thousands)

List of Other Included Managers: NONE

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.
[If there are no entries in this list, state "NONE"
and omit the column headings and list entries.]





F0RM13F INFORMATION TABLE

                                TITLE OF               VALUE    SHRS/    SH/    PUT/  INVESTMENT OTHER     VOTING AUTHORITY
NAME OF ISSUER                  CLASS   CUSIP          (X$1000) PRN AMT  PRN    CALL  DISCRETION MANAGERS SOLE   SHARED NONE
--------------------------      ------- ----------     ------- -------  ------  ----   --------- -------- -----  ------ -------
                        			        						  		

FACEBOOK INC A                  COM     30303M102       19792   743211  SH              SOLE              743211
RHINO RESOURCE PARTNERS LP      COM     76218Y103       11811   864613  SH              SOLE              864613
TEXTRON INC                     COM     883203101       398     16000   SH              SOLE              16000