13F Insight
DOSSIER · 13F-HR · Q1 2026

SOUTHERNSUN ASSET MANAGEMENT, LLC

$690M in tracked AUM across 31 positions as of Q1 2026.

SA
CIK 0001089755 · last filed Mar 31, 2026
Total AUM
$690M
as of Q1 2026
Holdings
31
—
positions
Whale Score
63
63
tracked
Activity
—
no data
changes this Q
AI Analysis · Q1 2026

SOUTHERNSUN ASSET MANAGEMENT, LLC filed its latest 13F-HR for Q1 2026. See the latest holdings and position changes below.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
DAR
Darling Ingredients Inc.
$48M780K7.0%02
MUSA
Murphy USA Inc.
$42M85K6.1%03
BOOT
Boot Barn Holdings Inc
$40M272K5.8%04
LPX
Louisiana-Pacific Corp
$35M486K5.1%05
EXTR
Extreme Networks
$35M2.3M5.0%06
LOB
Live Oak Bancshares Inc
$34M1.0M5.0%07
USPH
US Physical Therapy Inc
$33M440K4.8%08
BCO
The Brink's Co.
$33M317K4.8%09
CXT
Crane NXT
$32M784K4.6%10
BDC
Belden Inc
$30M258K4.3%

Filing history

2026Q1Mar 31
$690M▼ 3.7%
31 positionsView →2025Q4Dec 31
$716M▼ 7.2%
32 positionsView →2025Q3Sep 30
$772M▲ 8.4%
31 positionsView →2025Q2Jun 30
$712M▲ 3.1%
31 positionsLocked2025Q1Mar 31
$691M▼ 13.9%
30 positionsLocked2024Q4Dec 31
$803M▼ 4.9%
30 positionsLocked2024Q3Sep 30
$844M▲ 1.8%
29 positionsLocked2024Q2Jun 30
$829M▼ 7.7%
27 positionsLocked2024Q1Mar 31
$898M▲ 3.5%
27 positionsLocked2023Q4Dec 31
$867M▲ 1.6%
29 positionsLocked2023Q3Sep 30
$854M▼ 10.0%
27 positionsLocked2023Q2Jun 30
$948M▲ 8.2%
26 positionsLocked
Showing 12 of 99