Roubaix Capital, LLC
13F filer · CIK 1769700 · Denver, CO
Summary
Roubaix Capital, LLC reported $278.90M across 50 positions in its 13F for 2026 Q2, filed Aug 10, 2026. The largest holdings are SXT (3.7%), TKNO (3.2%), BLFS (3.1%). Versus 2026 Q1, leaving options aside, it opened 28 new positions, added to 12, trimmed 10 and sold out of 21.
Reported value$278.90M
Positions50
Report period2026 Q2
FiledAug 10, 2026
New positions28
Added12
Trimmed10
Sold out21
Top 25 holdings
By reported value, options listed separately · change vs 2026 Q1
Weight 3.7%Value $10.39MPrice $128.72Shares 84K +1.34%Since Jun 30 +4.40%
Weight 3.2%Value $8.97MPrice $9.08Shares 1.58M -16.09%Since Jun 30 +59.86%
Weight 3.1%Value $8.74MPrice $39.22Shares 310KSince Jun 30 +38.88%
Weight 2.9%Value $8.05MPrice $96.34Shares 77K +2.03%Since Jun 30 -7.81%
Weight 2.7%Value $7.60MPrice $123.89Shares 56K +30.06%Since Jun 30 -9.20%
Weight 2.7%Value $7.49MPrice $69.98Shares 102K -34.19%Since Jun 30 -4.96%
Weight 2.6%Value $7.17MPrice $21.20Shares 397K +2.99%Since Jun 30 +17.32%
Weight 2.5%Value $7.11MPrice $18.30Shares 247KSince Jun 30 -36.41%
Weight 2.5%Value $6.97MPrice $34.31Shares 168KSince Jun 30 -17.37%
Weight 2.5%Value $6.86MPrice $50.10Shares 123KSince Jun 30 -10.49%
Weight 2.3%Value $6.49MPrice $17.33Shares 369K +60.15%Since Jun 30 -1.37%
Weight 2.3%Value $6.45MPrice $29.60Shares 169K -38.51%Since Jun 30 -22.43%
Weight 2.3%Value $6.36MPrice $17.32Shares 405KSince Jun 30 +10.32%
Weight 2.2%Value $6.26MPrice $80.20Shares 65K +2.81%Since Jun 30 -17.29%
Weight 2.2%Value $6.24MPrice $117.26Shares 43KSince Jun 30 -19.31%
Weight 2.2%Value $6.18MPrice $12.73Shares 687K +37.86%Since Jun 30 +41.60%
Weight 2.2%Value $6.08MPrice $20.69Shares 266KSince Jun 30 -9.53%
Weight 2.1%Value $5.86MPrice $22.76Shares 307K +5.69%Since Jun 30 +18.98%
Weight 2.1%Value $5.84MPrice $23.11Shares 222KSince Jun 30 -12.23%
Weight 2.1%Value $5.84MPrice $12.00Shares 256KSince Jun 30 -47.32%
Weight 2.1%Value $5.80MPrice $110.32Shares 40K +116.71%Since Jun 30 -23.92%
Weight 2.1%Value $5.74MPrice $59.59Shares 77K +14.09%Since Jun 30 -20.01%
Weight 2.0%Value $5.60MPrice $10.93Shares 384K +26.53%Since Jun 30 -25.14%
Weight 1.9%Value $5.32MPrice $12.87Shares 298KSince Jun 30 -27.90%
Weight 1.9%Value $5.31MPrice $104.23Shares 55K -66.83%Since Jun 30 +7.99%
| Stock | Weight | Value | Since Jun 30 | Shares change | Action |
|---|---|---|---|---|---|
| 3.7% | $10.39M | +4.40% | +1.34% | Add | |
| 3.2% | $8.97M | +59.86% | -16.09% | Trim | |
| 3.1% | $8.74M | +38.88% | — | New | |
| 2.9% | $8.05M | -7.81% | +2.03% | Add | |
| 2.7% | $7.60M | -9.20% | +30.06% | Add | |
| 2.7% | $7.49M | -4.96% | -34.19% | Trim | |
| 2.6% | $7.17M | +17.32% | +2.99% | Add | |
| 2.5% | $7.11M | -36.41% | — | New | |
| 2.5% | $6.97M | -17.37% | — | New | |
| 2.5% | $6.86M | -10.49% | — | New | |
| 2.3% | $6.49M | -1.37% | +60.15% | Add | |
| 2.3% | $6.45M | -22.43% | -38.51% | Trim | |
| 2.3% | $6.36M | +10.32% | — | New | |
| 2.2% | $6.26M | -17.29% | +2.81% | Add | |
| 2.2% | $6.24M | -19.31% | — | New | |
| 2.2% | $6.18M | +41.60% | +37.86% | Add | |
| 2.2% | $6.08M | -9.53% | — | New | |
| 2.1% | $5.86M | +18.98% | +5.69% | Add | |
| 2.1% | $5.84M | -12.23% | — | New | |
| 2.1% | $5.84M | -47.32% | — | New | |
| 2.1% | $5.80M | -23.92% | +116.71% | Add | |
| 2.1% | $5.74M | -20.01% | +14.09% | Add | |
| 2.0% | $5.60M | -25.14% | +26.53% | Add | |
| 1.9% | $5.32M | -27.90% | — | New | |
| 1.9% | $5.31M | +7.99% | -66.83% | Trim |
Weight is the share of the reported 13F value, including options at notional value. “Since Jun 30” compares the latest close with the quarter-end price implied by the filing (value ÷ shares).
Largest buys in 2026 Q2
Largest sells in 2026 Q2
Source: SEC Form 13F, values as reported by the filer. Filings lag up to 45 days after quarter end and cover only certain long positions. Research only, not investment advice.