SOUTHERNSUN ASSET MANAGEMENT LLC
Q2 2025 Form 13-F
MEMPHIS, TENNESSEE
CIK 0001089755
· CRD 154572
· SEC-registered investment adviser
Holdings reported by
PERSONAL CFO SOLUTIONS LLC since Q3 2019
$712.1M Reported Value Total
SOUTHERNSUN ASSET MANAGEMENT LLC reports 99 total accounts under management (AUM). There are 99 discretionary accounts valued at $834,873,382, and 0 non-discretionary accounts.
Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
Private funds (Form ADV)
2 funds
· $2.1M gross asset value
Other: $2.1M
Source: Form ADV filed 2026-07-29
Reported value
$712.1M
Quarter over quarter
+10.8%
Holdings
31
Top-10 concentration
52.1%
Filing Structure
Reports holdings for
- HighTower Advisors LLC · File #028-13510 · Q1 2024 – Q2 2024 · declared by one filing
- AMG Funds LLC · File #028-11395 · Q2 2014 – Q2 2014 · declared by one filing
Holdings reported by
- PERSONAL CFO SOLUTIONS LLC · since Q3 2019 · declared by one filing
Key People
Form ADV owners & control persons
Phillip Whitman Cook
MEMBER
Michael Whitman Cook
MEMBER
William P. Halliday
CHIEF COMPLIANCE OFFICER/PRINCIPAL/MGMT COMM MBR
Filing Navigation
Coverage begins with the second quarter of 2013. Earlier quarters are not shown while their accuracy is being verified.
13F Metrics
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Q2 2025 13F record
Q2 2025 13F filing summary
| Period of report | June 30, 2025 |
|---|---|
| Filed | August 14, 2025 |
| Form | 13F-HR |
| Reported value | $712.1M |
| Positions | 31 |
| Change in reported value | +3.1% |
| New positions | 2 |
| Exited positions | 1 |
| Position turnover | 9.4% |
| Top-10 concentration | 52.1% |
13F filings by quarter
| Quarter | Positions | Value |
|---|---|---|
|
Q2 2026 13F
Filed Aug 14, 2026
|
29 | $742.8M |
|
Q1 2026 13F
Filed May 13, 2026
|
31 | $689.9M |
|
Q4 2025 13F
Filed Feb 13, 2026
|
32 | $716.4M |
|
Q3 2025 13F
Filed Nov 14, 2025
|
31 | $771.8M |
|
Q2 2025 13F
Filed Aug 14, 2025
|
31 | $712.1M |
|
Q1 2025 13F
Filed May 14, 2025
|
30 | $690.8M |
|
Q4 2024 13F
Filed Feb 14, 2025
|
30 | $802.7M |
|
Q3 2024 13F
Filed Nov 14, 2024
|
29 | $843.7M |
|
Q2 2024 13F
Filed Aug 14, 2024
|
27 | $829.1M |
|
Q1 2024 13F
Filed May 15, 2024
|
27 | $898.0M |
|
Q4 2023 13F
Filed Feb 14, 2024
|
29 | $867.5M |
|
Q3 2023 13F
Filed Nov 14, 2023
|
27 | $853.5M |
|
Q2 2023 13F
Filed Aug 14, 2023
|
26 | $947.9M |
|
Q1 2023 13F
Filed May 15, 2023
|
28 | $876.4M |
|
Q4 2022 13F
Filed Feb 14, 2023
|
29 | $877.6M |
|
Q3 2022 13F
Filed Nov 14, 2022
|
28 | $810.0M |
|
Q2 2022 13F
Filed Aug 12, 2022
|
27 | $806.7M |
|
Q1 2022 13F
Filed May 13, 2022
|
31 | $927.0M |
|
Q4 2021 13F
Filed Feb 14, 2022
|
33 | $1.0B |
|
Q3 2021 13F
Filed Nov 12, 2021
|
33 | $946.6M |
33 earlier quarters on file — choose one from the quarter menu above.
Top 20 holdings · Q2 2025
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | DAR Darling Ingredients Inc. | $50.0M | 7.02% |
| 2 | BCO The Brink's Co. | $43.3M | 6.08% |
| 3 | BOOT Boot Barn Holdings Inc | $40.0M | 5.62% |
| 4 | USPH US Physical Therapy Inc | $39.7M | 5.58% |
| 5 | LPX Louisiana-Pacific Corp | $37.3M | 5.23% |
| 6 | BDC Belden Inc | $37.1M | 5.21% |
| 7 | AGCO AGCO Corp. | $36.3M | 5.1% |
| 8 | MUSA Murphy USA Inc. | $30.5M | 4.28% |
| 9 | AWI Armstrong World Industries Inc | $28.7M | 4.04% |
| 10 | DORM Dorman Products Inc | $28.0M | 3.93% |
| 11 | TKR Timken Co. | $27.3M | 3.83% |
| 12 | MOD Modine Manufacturing Co | $27.3M | 3.83% |
| 13 | LOB Live Oak Bancshares Inc | $26.8M | 3.76% |
| 14 | AEIS Advanced Energy Industries Inc | $26.1M | 3.66% |
| 15 | MSA MSA Safety Inc | $23.4M | 3.29% |
| 16 | NGVT Ingevity Corp | $22.8M | 3.21% |
| 17 | SCL Stepan Co | $22.2M | 3.11% |
| 18 | EXTR Extreme Networks | $20.1M | 2.82% |
| 19 | EPAC Enerpac Tool Group | $20.0M | 2.8% |
| 20 | DY Dycom Industries Inc | $18.2M | 2.56% |
Values as reported on the Q2 2025 Form 13F. Every position is in the holdings table below.