UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE
OMB APPROVAL
OMB Number:3235-0006
Expires:July 31, 2015
Estimated average burden
hours per response:23.8
Report for the Calendar Year or Quarter Ended:
03-31-2023
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:
SOUTHERNSUN ASSET MANAGEMENT, LLC
Address:
240 Madison Avenue
Suite 800
Memphis, TN 38103
Form 13F File Number:
028-03489

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:
W. Bradley Clayton
Title:
Senior Compliance Officer
Phone:
901-341-2700


Signature, Place, and Date of Signing:

/s/ W. Bradley Clayton
                         [Signature]
Memphis, TENNESSEE
                 [City, State]
05-15-2023
                           [Date]
                          

Report Type (Check only one.):

☒ 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:
0
Form 13F Information table Entry Total:
28
Form 13F Information table Value Total:
876354037
          (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.
[If there are no entries in this list, state "NONE" and omit the column headings and list entries.]

  
NONE


UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number:3235-0006
Expires:July 31, 2015
Estimated average burden
hours per response:23.8
COLUMN 1COLUMN 2COLUMN 3COLUMN 4COLUMN 5COLUMN 6COLUMN 7COLUMN 8
VALUESHRS ORSH/PUT/INVESTMENTOTHERVOTING AUTHORITY
NAME OF ISSUERTITLE OF CLASSCUSIP(x$1000)PRN AMTPRNCALLDISCRETIONMANAGERSOLESHAREDNONE
AGCO Corp.COM00108410242,146,572311,735SHSOLE281,936 0 29,799
Armstrong World Industries IncCOM04247X10236,210,081508,283SHSOLE454,775 0 53,508
Belden IncCOM07745410631,371,433361,547SHSOLE359,468 0 2,079
Boot Barn Holdings IncCOM0994061003,009,57639,269SHSOLE17,747 0 21,522
Broadridge Financial SolutionsCOM11133T1038,883,16860,607SHSOLE27,418 0 33,189
Darling Ingredients Inc.COM23726610169,657,2421,192,761SHSOLE1,075,342 0 117,419
Dorman Products IncCOM25827810035,417,925410,595SHSOLE408,232 0 2,363
Dycom Industries IncCOM26747510161,541,629657,145SHSOLE592,867 0 64,278
Enerpac Tool GroupCOM29276510441,908,6131,643,475SHSOLE1,634,005 0 9,470
IDEX Corp.COM45167R1044,133,58917,892SHSOLE8,615 0 9,277
Ingevity CorpCOM45688C10749,411,165690,872SHSOLE626,331 0 64,541
Live Oak Bancshares IncCOM53803X10522,425,420920,206SHSOLE914,894 0 5,312
Louisiana-Pacific CorpCOM5463471053,849,39871,009SHSOLE32,088 0 38,921
Malibu Boats IncCOM56117J10026,103,609462,420SHSOLE459,764 0 2,656
MGP Ingredients IncCOM55303J10636,173,087373,998SHSOLE371,850 0 2,148
Murphy USA Inc.COM62675510246,753,241181,179SHSOLE160,962 0 20,217
Polaris Inc.COM73106810245,944,086415,295SHSOLE365,606 0 49,689
SEI Investments CoCOM7841171035,005,87286,983SHSOLE19,193 0 67,790
Stepan CoCOM85858610040,719,929395,224SHSOLE392,948 0 2,276
The Boston Beer Co IncCOM10055710741,518,097126,310SHSOLE111,543 0 14,767
The Brink's Co.COM10969610446,826,399700,994SHSOLE632,416 0 68,578
Thor Industries Inc.COM88516010130,942,131388,525SHSOLE343,424 0 45,101
Timken Co.COM88738910450,200,433614,298SHSOLE553,331 0 60,967
Trex CoCOM89531P1055,591,891114,894SHSOLE52,706 0 62,188
Univar Solutions USA Inc.COM91336L10747,309,3811,350,539SHSOLE1,217,511 0 133,028
US Physical Therapy IncCOM90337L10828,154,804287,558SHSOLE285,931 0 1,627
Watsco IncCOM9426222008,722,03827,414SHSOLE12,525 0 14,889
WestRock CoCOM96145D1056,423,228210,805SHSOLE95,371 0 115,434