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, 1999
Check here if Amendment [  ]; Amendment Number:
This Amendment (Check only one.): [  ] is a restatement.
                                  [  ] adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:    Renaissance Technologies, Inc.
Address: 800 3rd Avenue
	 33rd floor
         New York, NY 10022

13F File Number:  28-6262

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 is
understood 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:     Mark Silber
Title:    Vice President
Phone:    (212) 486-6780
Signature, Place, and Date of Signing:

	Mark Silber       New York, New York    February 7, 2000
Report Type (Check only one.):

[ X]        13F HOLDINGS REPORT.

[  ]        13F NOTICE.

[  ]        13F COMBINATION REPORT.





I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934.


                          FORM 13F SUMMARY PAGE


Report Summary:

Number of Other Included Managers:        0

Form 13F Information Table Entry Total:   1116
Form 13F Information Table Value (x $1000) Total:   $3281978


Information for which we are requesting confidential treatment has
been omitted and filed separately with the Commission.


                                            
	FORM 13F INFORMATION TABLE
                                                           VALUE   SHARES/  SH/ PUT/ INVSTMT    OTHER          VOTING AUTHORITY
        NAME OF ISSUER         TITLE OF CLASS     CUSIP   (x$1000) PRN AMT  PRN CALL DSCRETN   MANAGERS     SOLE    SHARED    NONE
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