SOUTHERNSUN ASSET MANAGEMENT, LLC Long-Term Concentrated

CIK: 0001089755 · Show all filings

Period: Q4 2025 (← Previous)

Filing Date: Feb 13, 2026

Total Value ($000): $716,374 (100.0% shares, 0.0% debt)

Holdings (32)

New Positions (4)

CSW CSW Industrials 2.7%

Value ($000) $19,593 Shares 66,748 Est. Cost $266.28 Unrealized 0.0%

KAI Kadant Inc 1.8%

Value ($000) $12,835 Shares 45,033 Est. Cost $283.73 Unrealized 0.0%

OSK Oshkosh Corp 0.4%

Value ($000) $2,532 Shares 20,156 Est. Cost $127.92 Unrealized 0.0%

IWM Russell 2000 Index Fund 0.3%

Value ($000) $2,166 Shares 8,800 Est. Cost $246.16 Unrealized —

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
CSW	CSW Industrials	66,748	$19,593	2.7%	$266.28	0.0%	COM	126402106
KAI	Kadant Inc	45,033	$12,835	1.8%	$283.73	0.0%	COM	48282T104
OSK	Oshkosh Corp	20,156	$2,532	0.4%	$127.92	0.0%	COM	688239201
IWM	Russell 2000 Index Fund	8,800	$2,166	0.3%	$246.16	—	COM	464287655

Increased Positions (9)

CXT Crane NXT 4.4%

Value ($000) $31,453 (-15.1%) Shares 668,210 (+21.0%) Est. Cost $55.04 Unrealized +7.2%

EXTR Extreme Networks 4.6%

Value ($000) $32,815 (+18.5%) Shares 1,970,886 (+46.9%) Est. Cost $16.75 Unrealized +9.6%

LOB Live Oak Bancshares Inc 4.9%

Value ($000) $35,350 (+12.2%) Shares 1,029,108 (+15.1%) Est. Cost $31.89 Unrealized +5.0%

LPX Louisiana-Pacific Corp 5.2%

Value ($000) $36,928 (-2.9%) Shares 457,254 (+6.8%) Est. Cost $65.07 Unrealized +29.9%

AGCO AGCO Corp. 3.9%

Value ($000) $28,174 (+2.8%) Shares 270,075 (+5.5%) Est. Cost $90.36 Unrealized +17.3%

GNRC Generac Holdings Inc 1.1%

Value ($000) $7,598 (-7.7%) Shares 55,717 (+13.3%) Est. Cost $146.62 Unrealized +10.1%

MSA MSA Safety Inc 4.2%

Value ($000) $29,733 (+1.6%) Shares 185,667 (+9.2%) Est. Cost $159.67 Unrealized +2.0%

WSO Watsco Inc 0.9%

Value ($000) $6,219 (-5.4%) Shares 18,458 (+13.5%) Est. Cost $229.12 Unrealized +55.8%

FND Floor & Decor Holdings 0.6%

Value ($000) $4,598 (-6.0%) Shares 75,517 (+13.8%) Est. Cost $89.02 Unrealized -27.2%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
CXT	Crane NXT	668,210 (+21.0%)	$31,453 (-15.1%)	4.4%	$55.04	+7.2%	COM	224441105
EXTR	Extreme Networks	1,970,886 (+46.9%)	$32,815 (+18.5%)	4.6%	$16.75	+9.6%	COM	30226D106
LOB	Live Oak Bancshares Inc	1,029,108 (+15.1%)	$35,350 (+12.2%)	4.9%	$31.89	+5.0%	COM	53803X105
LPX	Louisiana-Pacific Corp	457,254 (+6.8%)	$36,928 (-2.9%)	5.2%	$65.07	+29.9%	COM	546347105
AGCO	AGCO Corp.	270,075 (+5.5%)	$28,174 (+2.8%)	3.9%	$90.36	+17.3%	COM	001084102
GNRC	Generac Holdings Inc	55,717 (+13.3%)	$7,598 (-7.7%)	1.1%	$146.62	+10.1%	COM	368736104
MSA	MSA Safety Inc	185,667 (+9.2%)	$29,733 (+1.6%)	4.2%	$159.67	+2.0%	COM	553498106
WSO	Watsco Inc	18,458 (+13.5%)	$6,219 (-5.4%)	0.9%	$229.12	+55.8%	COM	942622200
FND	Floor & Decor Holdings	75,517 (+13.8%)	$4,598 (-6.0%)	0.6%	$89.02	-27.2%	COM	339750101

Exited Positions (3)

TKR Timken Co. 3.9%

Value ($000) $27,819 Shares 370,037 Est. Cost $52.87 Unrealized +50.5%

DY Dycom Industries Inc 1.7%

Value ($000) $11,970 Shares 41,027 Est. Cost $77.45 Unrealized +307.1%

TREX Trex Co 0.4%

Value ($000) $2,790 Shares 53,987 Est. Cost $55.34 Unrealized -26.9%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
TKR	Timken Co.	370,037	$27,819	3.9%	$52.87	+50.5%	—	887389104
DY	Dycom Industries Inc	41,027	$11,970	1.7%	$77.45	+307.1%	—	267475101
TREX	Trex Co	53,987	$2,790	0.4%	$55.34	-26.9%	—	89531P105

Decreased Positions (17)

NGVT Ingevity Corp 2.3%

Value ($000) $16,156 (-32.5%) Shares 273,005 (-37.1%) Est. Cost $63.80 Unrealized -14.9%

DORM Dorman Products Inc 3.3%

Value ($000) $23,477 (-24.8%) Shares 190,573 (-4.9%) Est. Cost $91.34 Unrealized +47.8%

BCO The Brink's Co. 6.8%

Value ($000) $48,559 (-13.3%) Shares 415,992 (-13.2%) Est. Cost $63.20 Unrealized +80.5%

MOD Modine Manufacturing Co 4.6%

Value ($000) $33,165 (-15.4%) Shares 248,408 (-9.9%) Est. Cost $97.14 Unrealized +53.3%

USPH US Physical Therapy Inc 5.2%

Value ($000) $37,447 (-12.7%) Shares 479,536 (-5.1%) Est. Cost $96.26 Unrealized -15.7%

SAM The Boston Beer Co Inc 2.1%

Value ($000) $14,737 (-22.7%) Shares 75,524 (-16.2%) Est. Cost $356.50 Unrealized -42.2%

DAR Darling Ingredients Inc. 5.7%

Value ($000) $40,854 (+11.2%) Shares 1,134,847 (-4.6%) Est. Cost $35.56 Unrealized -4.8%

AEIS Advanced Energy Industries Inc 3.6%

Value ($000) $25,847 (-11.5%) Shares 123,450 (-28.1%) Est. Cost $110.61 Unrealized +83.9%

EPAC Enerpac Tool Group 3.2%

Value ($000) $22,970 (-11.4%) Shares 600,682 (-5.0%) Est. Cost $25.71 Unrealized +54.0%

BDC Belden Inc 4.6%

Value ($000) $32,748 (-6.9%) Shares 280,976 (-3.9%) Est. Cost $64.19 Unrealized +81.7%

AWI Armstrong World Industries Inc 4.4%

Value ($000) $31,865 (-7.0%) Shares 166,745 (-4.6%) Est. Cost $74.04 Unrealized +157.6%

SCL Stepan Co 2.7%

Value ($000) $19,312 (-9.4%) Shares 407,767 (-8.7%) Est. Cost $86.88 Unrealized -47.3%

BOOT Boot Barn Holdings Inc 4.8%

Value ($000) $34,098 (-4.9%) Shares 193,221 (-10.7%) Est. Cost $89.83 Unrealized +107.7%

THO Thor Industries Inc. 2.0%

Value ($000) $14,628 (-6.6%) Shares 142,474 (-5.7%) Est. Cost $69.04 Unrealized +49.6%

VMI Valmont Industries Inc 1.1%

Value ($000) $8,138 (-7.8%) Shares 20,228 (-11.2%) Est. Cost $254.55 Unrealized +59.9%

APG APi Group 1.3%

Value ($000) $9,671 (-1.2%) Shares 252,771 (-11.2%) Est. Cost $27.22 Unrealized +35.8%

MUSA Murphy USA Inc. 5.2%

Value ($000) $37,256 (+0.0%) Shares 92,328 (-3.8%) Est. Cost $213.34 Unrealized +79.7%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
NGVT	Ingevity Corp	273,005 (-37.1%)	$16,156 (-32.5%)	2.3%	$63.80	-14.9%	COM	45688C107
DORM	Dorman Products Inc	190,573 (-4.9%)	$23,477 (-24.8%)	3.3%	$91.34	+47.8%	COM	258278100
BCO	The Brink's Co.	415,992 (-13.2%)	$48,559 (-13.3%)	6.8%	$63.20	+80.5%	COM	109696104
MOD	Modine Manufacturing Co	248,408 (-9.9%)	$33,165 (-15.4%)	4.6%	$97.14	+53.3%	COM	607828100
USPH	US Physical Therapy Inc	479,536 (-5.1%)	$37,447 (-12.7%)	5.2%	$96.26	-15.7%	COM	90337L108
SAM	The Boston Beer Co Inc	75,524 (-16.2%)	$14,737 (-22.7%)	2.1%	$356.50	-42.2%	COM	100557107
DAR	Darling Ingredients Inc.	1,134,847 (-4.6%)	$40,854 (+11.2%)	5.7%	$35.56	-4.8%	COM	237266101
AEIS	Advanced Energy Industries Inc	123,450 (-28.1%)	$25,847 (-11.5%)	3.6%	$110.61	+83.9%	COM	007973100
EPAC	Enerpac Tool Group	600,682 (-5.0%)	$22,970 (-11.4%)	3.2%	$25.71	+54.0%	COM	292765104
BDC	Belden Inc	280,976 (-3.9%)	$32,748 (-6.9%)	4.6%	$64.19	+81.7%	COM	077454106
AWI	Armstrong World Industries Inc	166,745 (-4.6%)	$31,865 (-7.0%)	4.4%	$74.04	+157.6%	COM	04247X102
SCL	Stepan Co	407,767 (-8.7%)	$19,312 (-9.4%)	2.7%	$86.88	-47.3%	COM	858586100
BOOT	Boot Barn Holdings Inc	193,221 (-10.7%)	$34,098 (-4.9%)	4.8%	$89.83	+107.7%	COM	099406100
THO	Thor Industries Inc.	142,474 (-5.7%)	$14,628 (-6.6%)	2.0%	$69.04	+49.6%	COM	885160101
VMI	Valmont Industries Inc	20,228 (-11.2%)	$8,138 (-7.8%)	1.1%	$254.55	+59.9%	COM	920253101
APG	APi Group	252,771 (-11.2%)	$9,671 (-1.2%)	1.3%	$27.22	+35.8%	COM	00187Y100
MUSA	Murphy USA Inc.	92,328 (-3.8%)	$37,256 (+0.0%)	5.2%	$213.34	+79.7%	COM	626755102

Unchanged Positions (2)

BR Broadridge Financial Solutions 1.4%

Value ($000) $9,998 Shares 44,800 Est. Cost $66.30 Unrealized +242.8%

SEIC SEI Investments Co 0.8%

Value ($000) $5,454 Shares 66,490 Est. Cost $48.72 Unrealized +67.7%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
BR	Broadridge Financial Solutions	44,800	$9,998	1.4%	$66.30	+242.8%	COM	11133T103
SEIC	SEI Investments Co	66,490	$5,454	0.8%	$48.72	+67.7%	COM	784117103