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

                                    Form 13F

                              Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended:          March 31, 2013

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:        Bessemer Securities LLC

Address:     630 Fifth Avenue     New York,     New York  10111

Form 13F File Number:   28-7250

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:           John G. MacDonald

Title:          Senior Vice President

Phone:          212-708-9230

Signature, Place, and Date of Signing:

/s/ John G. MacDonald                New York, NY           May 10, 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).)


                             Form 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers:                       3

Form 13F Information Table Entry Total:                  3

Form 13F Information Table Value Total:                 $0
                                                        --
                                                    (thousands)

List of Other Included Managers:

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.


No.   Form 13F File Number       Name

1     28-13119                   Bessec Funding LLC
2     28-0356                    Bessemer Securities Corporation
3     28-7206                    Bessemer Ventures, Inc.





                                                            BESSEMER SECURITIES LLC (28-7250)
-----------------------------------------------------------------------------------------------------------------------------------
                                                  Market    SH or Prin     Investment        Other
Name of Issuer       Title of       CUSIP #       Value       Amount       Discretion       Managers      Voting Authority (Shares)
                      Class                       (000)
-----------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Sole     Shared     None
-----------------------------------------------------------------------------------------------------------------------------------
                                                                                                   

                                                                               N/A





Additional Securities over which Bessemer Securities Corporation (28-0356)
exercises investment discretion are reported by The Bessemer Group,
Incorporated (28-7806).