MondegarAI
SOUTHERNSUN ASSET MANAGEMENT, LLC

Q4 2025 · 13F-HR

SOUTHERNSUN ASSET MANAGEMENT, LLCholdings as filed

Filed 2026-02-13 · accession 0001213900-26-015916

$716.4M
Reported value
32
Positions
2025-12-31
Period end
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The Brief · SOUTHERNSUN ASSET MANAGEMENT, LLC · Q4 2025

AI · grounded in 13F

SOUTHERNSUN ASSET MANAGEMENT, LLC closed its position in Timken Co. TKR, reducing exposure by $27.8M. The fund established new positions in CSW Industrials CSW for $19.6M and Kadant Inc KAI for $12.8M. Additionally, the manager exited Dycom Industries Inc DY with a $12M sale and increased its stake in Extreme Networks EXTR by 46.9%.

Holdings as filed

CUSIPTickerIssuerValue% port.SharesClassVoting
109696104BCOThe Brink's Co.$48.6M6.78%415,992CommonSOLE
237266101DARDarling Ingredients Inc.$40.9M5.70%1,134,847CommonSOLE
90337L108USPHUS Physical Therapy Inc$37.4M5.23%479,536CommonSOLE
626755102MUSAMurphy USA Inc.$37.3M5.20%92,328CommonSOLE
546347105LPXLouisiana-Pacific Corp$36.9M5.15%457,254CommonSOLE
53803X105LOBLive Oak Bancshares Inc$35.3M4.93%1,029,108CommonSOLE
099406100BOOTBoot Barn Holdings Inc$34.1M4.76%193,221CommonSOLE
607828100MODModine Manufacturing Co$33.2M4.63%248,408CommonSOLE
30226D106EXTRExtreme Networks$32.8M4.58%1,970,886CommonSOLE
077454106BDCBelden Inc$32.7M4.57%280,976CommonSOLE
04247X102AWIArmstrong World Industries Inc$31.9M4.45%166,745CommonSOLE
224441105CXTCrane NXT$31.5M4.39%668,210CommonSOLE
553498106MSAMSA Safety Inc$29.7M4.15%185,667CommonSOLE
001084102AGCOAGCO Corp.$28.2M3.93%270,075CommonSOLE
007973100AEISAdvanced Energy Industries Inc$25.8M3.61%123,450CommonSOLE
258278100DORMDorman Products Inc$23.5M3.28%190,573CommonSOLE
292765104EPACEnerpac Tool Group$23.0M3.21%600,682CommonSOLE
126402106CSWCSW Industrials$19.6M2.73%66,748CommonSOLE
858586100SCLStepan Co$19.3M2.70%407,767CommonSOLE
45688C107NGVTIngevity Corp$16.2M2.26%273,005CommonSOLE
100557107SAMThe Boston Beer Co Inc$14.7M2.06%75,524CommonSOLE
885160101THOThor Industries Inc.$14.6M2.04%142,474CommonSOLE
48282T104KAIKadant Inc$12.8M1.79%45,033CommonSOLE
11133T103BRBroadridge Financial Solutions$10.0M1.40%44,800CommonNONE
00187Y100APGAPi Group$9.7M1.35%252,771CommonNONE
920253101VMIValmont Industries Inc$8.1M1.14%20,228CommonNONE
368736104GNRCGenerac Holdings Inc$7.6M1.06%55,717CommonNONE
942622200WSOWatsco Inc$6.2M0.87%18,458CommonNONE
784117103SEICSEI Investments Co$5.5M0.76%66,490CommonNONE
339750101FNDFloor & Decor Holdings$4.6M0.64%75,517CommonNONE
688239201OSKOshkosh Corp$2.5M0.35%20,156CommonNONE
464287655IWMRussell 2000 Index Fund$2.2M0.30%8,800CommonSOLE

Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.