Southernsun Asset Management portfolio
Concentrated managerInvestment firmPortfolio as of Jun 30, 2026 (Q2 2026) · filed with the SEC on Aug 14, 2026 · data updated on Nov 5, 2026 · Q2 2026 13F (filing) ↗ · all its 13F filings ↗
A 13F shows the portfolio at quarter-end and is filed up to 45 days later: these are not real-time positions and they may have changed.
Southernsun Asset Management reported a $743M portfolio of 29 positions to the SEC as of the end of Q2 2026. Its largest positions are EXTR, LPX, BOOT. During the quarter it exited Belden and Stepan.
Sections with a free account
What changed this quarter
31 positions with a change (14 added to, 15 trimmed, 2 sold). 12 are listed here: those of 0.5 points of the portfolio or more (up to 12).
- Belden−4.0 ppof portfolioSold out4.3% → —
- Extreme Networks−27%fewer sharesReduced5.0% → 7.3%
- Stepan−2.5 ppof portfolioSold out2.7% → —
- Boston Beer+76%more sharesIncreased2.5% → 3.1%
- Modine Manufacturing−31%fewer sharesReduced3.5% → 2.8%
- THOR Industries+82%more sharesIncreased1.5% → 2.4%
- Louisiana-pacific+19%more sharesIncreased5.1% → 6.1%
- Agco+24%more sharesIncreased4.2% → 4.9%
- Enerpac Tool Group+28%more sharesIncreased3.5% → 4.1%
- U S Physical Therapy+20%more sharesIncreased4.8% → 4.9%
- Armstrong World Industries+19%more sharesIncreased4.0% → 4.3%
- MSA Safety+17%more sharesIncreased4.1% → 4.7%
The figure on the right: for positions added to or trimmed, the change in the number of shares (%); for new and sold ones, the points of the portfolio moved (pp). Below, the portfolio weight before → after. Traded weight: what it bought or sold, excluding price effects.
Top holdings
- Extreme NetworksEXTR7.3%
- Louisiana-pacificLPX6.1%
- Boot Barn HoldingsBOOT5.9%
- Murphy USAMUSA5.8%
- Crane NXTCXT5.7%
- Darling IngredientsDAR5.6%
- Live OAK BancsharesLOB5.1%
- AGCOAGCO4.9%
- U S Physical TherapyUSPH4.9%
- Dorman ProductsDORM4.8%
- MSA SafetyMSA4.7%
- Armstrong World IndustriesAWI4.3%
- Enerpac Tool GroupEPAC4.1%
- Brink’sBCO4.1%
- CSW IndustrialsCSW3.5%
“Since”: first quarter of the current run, unbroken until today. In the details, prices are the quarter-end prices of the quarters in which it added shares, per the 13F. The manager may have bought at any price within each quarter; the SEC only publishes the value at quarter end.
Portfolio by sector
- ● Industrials 37%
- ● Consumer Discretionary 22%
- ● Materials 12%
- ● Information Technology 9%
- ● Consumer Staples 9%
- ● Financials 6%
- ● Health Care 5%
How its portfolio changed (8 quarters)
Q2 2026: 29
Q2 2026: 56%
Q2 2026: 10.8%
Traded turnover: the weight it bought plus the weight it sold in the quarter, divided by two, excluding price moves. The plain “turnover” in the header does include that effect. With a free account: the full history and sectors over time.
Stakes above 5% (13D/13G)
Companies where this filer reported holding 5% or more of the shares. It is the figure from its latest filing on each one; history since December 2024.
How we classify it
Investment firm, per its Form ADV of Jul 29, 2026 (high confidence).
The data, as reported: SOUTHERNSUN ASSET MANAGEMENT LLC (CRD 154572): Manages registered funds; 5.D assets by client type: registered funds 52%, pension plans 21%, charities 14% (of $749M)
The type comes from a rule applied to that data. If it looks wrong, tell us.
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