SOUTHERNSUN ASSET MANAGEMENT, LLC
CIK 1089755 · View on SEC EDGAR ↗
- Portfolio value
- $742.8M
- Positions
- 29
- As of
- June 30, 2026
Portfolio value QoQ: +7.7% 13F does not disclose cash
- Top 10 holdings weight
- 56.31%
- Top 25 holdings weight
- 96.88%
- Positions above 1%
- 25
- Effective number of positions
- 21.9
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 9.19% Est. buys $65,829,264 · sells $94,998,659
Median holding: 7.0 quarters Tracked Q4 2024–Q2 2026 · 78.4% still held
- New positions
- 0
- Increased
- 14
- Decreased
- 15
- Closed
- 2
On this page
- Performance vs S&P How this manager's 13F portfolio performed against the S&P 500.
- Sector breakdown How the portfolio splits across market sectors.
- Portfolio Every stock this institution reports holding, from its latest 13F.
- High-conviction bets The holdings this manager is most concentrated in.
- Top moves The biggest position increases and decreases this quarter.
- Exited positions Positions the manager fully sold out of last quarter.
Performance vs S&P 500
Annualized: +16.8% · S&P 500: +18.0%
Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.
Priceable coverage: 99.9% · Options excluded: 0.0%
Sector breakdown
Full portfolio 29 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| EXTR Extreme Networks, Inc. - Common Stock | $54,558,016 | 7.34% | 1,685,450 | $19,905,186 | Down ×1 | ||
| LPX Louisiana-Pacific Corporation Common Stock | $45,441,725 | 6.12% | 577,698 | $10,094,755 | Up ×3 | ||
| BOOT Boot Barn Holdings, Inc. Common Stock | $44,122,758 | 5.94% | 268,599 | $4,261,905 | Down ×1 | ||
| MUSA Murphy USA Inc. Common Stock | $43,089,123 | 5.80% | 79,962 | $1,201,949 | Down ×3 | ||
| CXT Crane NXT, Co. Common Stock | $42,420,951 | 5.71% | 829,182 | $10,606,184 | Up ×4 | ||
| DAR Darling Ingredients Inc. Common Stock | $41,691,719 | 5.61% | 763,305 | $-6,558,085 | Down ×6 | ||
| LOB Live Oak Bancshares, Inc. Common Stock | $38,175,231 | 5.14% | 934,751 | $3,996,096 | Down ×1 | ||
| AGCO AGCO Corporation Common Stock | $36,565,118 | 4.92% | 305,473 | $7,913,248 | Up ×1 | ||
| USPH U.S. Physical Therapy, Inc. Common Stock | $36,246,900 | 4.88% | 527,765 | $3,271,696 | Up ×1 | ||
| DORM Dorman Products, Inc. - Common Stock | $35,938,610 | 4.84% | 263,383 | $10,211,678 | Up ×2 | ||
| MSA MSA Safety Incorporated Common Stock | $34,855,595 | 4.69% | 199,654 | $6,898,841 | Up ×1 | ||
| AWI Armstrong World Industries Inc Common Stock | $32,224,368 | 4.34% | 200,875 | $4,492,154 | Up ×2 | ||
| EPAC Enerpac Tool Group Corp. Common Stock | $30,487,527 | 4.10% | 850,182 | $6,239,572 | Up ×2 | ||
| BCO Brinks Company (The) Common Stock | $30,288,014 | 4.08% | 320,542 | $-2,525,700 | Up ×1 | ||
| CSW CSW Industrials, Inc. Common Stock | $26,354,453 | 3.55% | 94,698 | $3,335,858 | Up ×2 | ||
| SAM Boston Beer Company, Inc. (The) Common Stock | $23,346,185 | 3.14% | 131,877 | $6,108,579 | Up ×1 | ||
| MOD Modine Manufacturing Company Common Stock | $20,454,533 | 2.75% | 76,603 | $-3,445,546 | Down ×4 | ||
| NGVT Ingevity Corporation Common Stock | $18,238,894 | 2.46% | 244,260 | $356,531 | Down ×6 | ||
| THO Thor Industries, Inc. Common Stock | $17,961,060 | 2.42% | 238,971 | $7,486,922 | Up ×1 | ||
| KAI Kadant Inc Common Stock | $15,297,031 | 2.06% | 48,681 | $2,720,719 | Up ×1 | ||
| AEIS Advanced Energy Industries, Inc. - Common Stock | $14,423,730 | 1.94% | 38,683 | $-778,493 | Down ×4 | ||
| GNRC Generac Holdlings Inc. Common Stock | $11,822,789 | 1.59% | 40,377 | $2,301,819 | Down ×2 | ||
| APG APi Group Corporation Common Stock | $10,367,153 | 1.40% | 244,797 | $22,478 | Down ×1 | ||
| VMI Valmont Industries, Inc. Common Stock | $7,855,938 | 1.06% | 13,601 | $1,224,275 | Down ×4 | ||
| WSO Watsco, Inc. Common Stock | $7,439,881 | 1.00% | 17,853 | $656,653 | Down ×1 | ||
| OSK Oshkosh Corporation (Holding Company)Common Stock | $6,650,595 | 0.90% | 43,332 | $2,090,029 | Up ×2 | ||
| BR Broadridge Financial Solutions, Inc. Common Stock | $5,943,082 | 0.80% | 43,396 | $-1,409,788 | Down ×1 | ||
| SEIC SEI Investments Company - Common Stock | $5,584,583 | 0.75% | 63,671 | $295,470 | Down ×1 | ||
| FND Floor & Decor Holdings, Inc. Common Stock | $4,969,085 | 0.67% | 83,711 | $530,486 | Down ×1 | ||
| No matches | |||||||
Conviction holdings
Positions increased for 3+ consecutive quarters.
Share counts are as reported in 13F filings (not split-adjusted)
Top movers (QoQ)
| Security | Action | Shares Δ | Value Δ |
|---|---|---|---|
| EXTR | Trimmed | -612K | +$19.9M |
| CXT | Bought more | +45K | +$10.6M |
| DORM | Bought more | +17K | +$10.2M |
| LPX | Bought more | +92K | +$10.1M |
| AGCO | Bought more | +58K | +$7.9M |
| THO | Bought more | +108K | +$7.5M |
| MSA | Bought more | +29K | +$6.9M |
| DAR | Trimmed | -17K | -$6.6M |
| EPAC | Bought more | +185K | +$6.2M |
| SAM | Bought more | +57K | +$6.1M |
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| BDC | June 30, 2026 | 258,377 | $29,669,442 | 4.5% |
| TKR | Dec. 31, 2025 | 370,037 | $27,819,382 | 49.8% |
| SCL | June 30, 2026 | 378,799 | $18,932,374 | 15.3% |
| OXM | June 30, 2025 | 294,090 | $17,254,260 | -12.6% |
| PII | March 31, 2025 | 284,957 | $16,419,222 | 60.2% |
| DY | Dec. 31, 2025 | 41,027 | $11,970,038 | 20.0% |
| TREX | Dec. 31, 2025 | 53,987 | $2,789,508 | 34.8% |
| IWM | March 31, 2025 | 10,186 | $2,250,699 | No longer tracked |
| IWM | March 31, 2026 | 8,800 | $2,166,208 | No longer tracked |