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13F-HR filed by SOUTHERNSUN ASSET MANAGEMENT, LLC

SOUTHERNSUN ASSET MANAGEMENT, LLC filed this 13F-HR for the quarter ended 2026-06-30, filed 2026-08-14, with 29 holding rows worth $742,814,647.

Accession
0001213900-26-089539
Filed
2026-08-14
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q2 2026

A holdings report, 29 entries on the cover page, a total value of $742,814,647 stated on the cover page (in dollars after the unit check, H1), rows summing to $742,814,647 with VALUE read as dollars as filed, 13F file number 028-03489. The quarter's positions are built on this report. The resolved quarter.

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
EXTREME NETWORKS INC30226D106COM1,685,450$54,558,016dollars as filed
LOUISIANA PAC CORP COM546347105Stock577,698$45,441,725dollars as filed
BOOT BARN HLDGS INC099406100COM268,599$44,122,758dollars as filed
MURPHY USA INC COM626755102Stock79,962$43,089,123dollars as filed
CRANE NXT CO224441105COM829,182$42,420,951dollars as filed
DARLING INGREDIENTS INC COM237266101Stock763,305$41,691,719dollars as filed
LIVE OAK BANCSHARES INC53803X105COM934,751$38,175,231dollars as filed
AGCO CORP001084102COM305,473$36,565,118dollars as filed
U S PHYSICAL THERAPY90337L108COM527,765$36,246,900dollars as filed
DORMAN PRODS INC258278100COM263,383$35,938,610dollars as filed
MSA SAFETY INC COM553498106Stock199,654$34,855,595dollars as filed
ARMSTRONG WORLD INDS INC NEW04247X102COM200,875$32,224,368dollars as filed
ENERPAC TOOL GROUP CORP CL A COM292765104Stock850,182$30,487,527dollars as filed
BRINKS CO109696104COM320,542$30,288,014dollars as filed
CSW INDUSTRIALS INC126402106COM94,698$26,354,453dollars as filed
BOSTON BEER INC CL A100557107Stock131,877$23,346,185dollars as filed
MODINE MFG CO COM607828100Stock76,603$20,454,533dollars as filed
INGEVITY CORP COM45688C107Stock244,260$18,238,894dollars as filed
THOR INDS INC885160101COM238,971$17,961,060dollars as filed
KADANT INC48282T104COM48,681$15,297,031dollars as filed
ADVANCED ENERGY INDS COM007973100Stock38,683$14,423,730dollars as filed
GENERAC HLDGS INC368736104COM40,377$11,822,789dollars as filed
API GROUP CORP COM STK00187Y100Stock244,797$10,367,153dollars as filed
VALMONT INDS INC COM920253101Stock13,601$7,855,938dollars as filed
WATSCO INC COM942622200Stock17,853$7,439,881dollars as filed
OSHKOSH CORP COM688239201Stock43,332$6,650,595dollars as filed
BROADRIDGE FINL SOLUTIONS INC COM11133T103Stock43,396$5,943,082dollars as filed
SEI INVTS CO COM784117103Stock63,671$5,584,583dollars as filed
FLOOR & DECOR HLDGS INC CL A339750101Stock83,711$4,969,085dollars as filed

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001213900-26-089539this filing2026-08-14acceptance time not in the bulk data set