SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C.  20549

                                 SCHEDULE 13F

                              FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended :   December 31, 2012

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:    PDT Partners LLC
Address: 1745 BROADWAY 25TH FLOOR
         New York, NY 10019

13F File Number:

December 2012

The institutional manager filing this report and the person by whom
it is signed hereby represent that the person signing the form 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:  Amy Wong
TITLE: Authorized Signatory
PHONE: 212-621-0400

Signature, Place, and Date of Signing

/s/ Amy Wong
----------------------------
New York, NY 10019
February 14, 2013

Report Type  (Check only one):

[   ]    13F Holdings Report

[ X ]    13F Notice

[   ]    13F Combination Report








List of Other Mangers Reporting for this Manager:
28-03432        Morgan Stanley