Roubaix Capital, LLC
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 6, 2026), Roubaix Capital, LLC reported 43 stock positions worth $214.3 million. Its top holding was York Space Systems (YSS) at 4.0% of the portfolio, followed by Standardaero (SARO, 3.5%) and Park Aerospace (PKE, 3.5%). Compared with Q4 2025, it opened 21 new positions, sold out of 24, added to 13 and reduced 9. The biggest buy was a new position in York Space Systems (YSS) and the biggest sale an exit from Janus International (JBI).
- Most Recent 13F
- Q2 2026
- Location
- DENVER, CO
- CIK
- 0001769700
- Portfolio Value
- $214.3M (Q1 2026)
- SEC Filing
- 0001769700-26-000003 ↗ filed May 6, 2026
Holdings Value
Holdings 43 stocks · $214.3M
| YSS York Space Systems Inc. | 3.96% | 382,906 | $8.5M | New |
| SARO Standardaero Inc. | 3.55% | 294,397 | $7.6M | Add +0.7% |
| PKE Park Aerospace Corp. | 3.51% | 274,815 | $7.5M | Reduce -8.4% |
| SXT Sensient Technologies Corp. | 3.36% | 83,186 | $7.2M | Add +32.0% |
| RRX Regal Rexnord Corp. | 3.30% | 37,739 | $7.1M | Reduce -11.9% |
| VPG Vishay Precision Group | 3.26% | 160,961 | $7.0M | New |
| XMTR Xometry Inc. Class A | 3.16% | 165,931 | $6.8M | Add +64.5% |
| RAL Ralliant Corp. | 3.00% | 154,619 | $6.4M | Reduce -10.9% |
| RGEN Repligen Corp. | 3.00% | 54,555 | $6.4M | New |
| MLAB Mesa Laboratories Inc. | 2.98% | 72,115 | $6.4M | Add +30.7% |
| TRNS Transcat Inc. | 2.91% | 84,982 | $6.2M | Reduce -26.8% |
| PDFS PDF Solutions Inc. | 2.78% | 181,937 | $6.0M | Reduce -17.3% |
| RVTY Revvity Inc. | 2.62% | 64,013 | $5.6M | Add +4.8% |
| SRAD Sportradar Group AG-A | 2.60% | 333,382 | $5.6M | New |
| TKNO Alpha Teknova Inc. | 2.54% | 1,882,355 | $5.4M | Add +88.5% |
| FPS Forgent Power Solutions Class A | 2.53% | 184,863 | $5.4M | New |
| AGYS Agilysys Inc. | 2.51% | 75,544 | $5.4M | Add +25.4% |
| ALGM Allegro Microsystems Inc. | 2.50% | 169,993 | $5.4M | New |
| STVN Stevanato Group SPA | 2.47% | 385,316 | $5.3M | Add +96.6% |
| LOAR Loar Holdings Inc. | 2.47% | 92,379 | $5.3M | New |
| ESAB Esab Corp. | 2.34% | 51,928 | $5.0M | New |
| CWST Casella Waste Systems Inc. Class A | 2.32% | 62,772 | $5.0M | New |
| WAY Waystar Holding Corp. | 2.25% | 200,167 | $4.8M | New |
| NEOG Neogen Corp. | 2.16% | 498,424 | $4.6M | New |
| KIDS Orthopediatrics Corp. | 2.15% | 290,047 | $4.6M | Add +23.8% |
| FROG Jfrog Ltd. | 2.10% | 95,944 | $4.5M | New |
| CCC CCC Intelligent Solutions Ho | 2.09% | 744,898 | $4.5M | Reduce -5.2% |
| DORM Dorman Products Inc. | 2.08% | 42,811 | $4.5M | New |
| CLBT Cellebrite Di Ltd. | 1.95% | 303,215 | $4.2M | Add +108.1% |
| PCOR Procore Technologies Inc. | 1.94% | 72,754 | $4.1M | Add +54.6% |
| NPKI NPK International Inc. | 1.83% | 269,935 | $3.9M | Reduce -53.1% |
| MEC Mayville Engineering Co. Inc. | 1.76% | 210,657 | $3.8M | Add +44.0% |
| SI Shoulder Innovations Inc. | 1.74% | 257,121 | $3.7M | Add +61.9% |
| SWIM Latham Group Inc. | 1.66% | 661,037 | $3.5M | Reduce -3.4% |
| AIN Albany Intl Corp. Class A | 1.64% | 67,509 | $3.5M | New |
| PUMP Propetro Holding Corp. | 1.64% | 243,257 | $3.5M | New |
| LASR Nlight Inc. | 1.63% | 61,389 | $3.5M | Reduce -55.9% |
| TTAN Servicetitan Inc. Class A | 1.59% | 53,720 | $3.4M | New |
| AMBQ Ambiq Micro Inc. | 1.49% | 125,821 | $3.2M | New |
| FLYW Flywire Corp.-Voting | 1.25% | 230,691 | $2.7M | New |
| ALKT Alkami Technology Inc. | 1.18% | 161,101 | $2.5M | New |
| JBTM JBT Marel Corp. | 1.10% | 18,459 | $2.4M | New |
| MC Moelis & Co. Class A | 1.09% | 40,967 | $2.3M | New |
Portfolio Sells Q4 2025 → Q1 2026
| JBI Janus International Group Inc. | Sold out | 0.00% | −2.77 |
| MOD Modine Manufacturing Co. | Sold out | 0.00% | −2.63 |
| AZTA Azenta Inc. | Sold out | 0.00% | −2.60 |
| XPEL Xpel Inc. | Sold out | 0.00% | −2.49 |
| BIRK Birkenstock Holding PLC | Sold out | 0.00% | −2.28 |
| AIR Aar Corp. | Sold out | 0.00% | −2.22 |
| GENI Genius Sports Ltd. | Sold out | 0.00% | −2.18 |
| NCNO Ncino Inc. | Sold out | 0.00% | −2.18 |
| OMCL Omnicell Inc. | Sold out | 0.00% | −2.16 |
| FUL H.B. Fuller Co. | Sold out | 0.00% | −2.13 |
| CERT Certara Inc. | Sold out | 0.00% | −2.12 |
| SITM Sitime Corp. | Sold out | 0.00% | −2.11 |
| LFUS Littelfuse Inc. | Sold out | 0.00% | −2.10 |
| ORA Ormat Technologies Inc. | Sold out | 0.00% | −2.05 |
| NXT Nextpower Inc. | Sold out | 0.00% | −2.02 |
| EVLV Evolv Technologies Holdings | Sold out | 0.00% | −1.91 |
| KRMN Karman Holdings Inc. | Sold out | 0.00% | −1.91 |
| LTH Life Time Group Holdings Inc. | Sold out | 0.00% | −1.84 |
| ATI Ati Inc. | Sold out | 0.00% | −1.82 |
| ITRI Itron Inc. | Sold out | 0.00% | −1.79 |
| ATR Aptargroup Inc. | Sold out | 0.00% | −1.78 |
| PAR Par Technology Corp. | Sold out | 0.00% | −1.65 |
| AAOI Applied Optoelectronics Inc. | Sold out | 0.00% | −1.61 |
| VERX Vertex Inc. Class A | Sold out | 0.00% | −1.57 |
| NPKI NPK International Inc. | Reduce -53.1% | 1.83% | −1.10 |
| RAL Ralliant Corp. | Reduce -10.9% | 3.00% | −0.77 |
| LASR Nlight Inc. | Reduce -55.9% | 1.63% | −0.59 |
| CCC CCC Intelligent Solutions Ho | Reduce -5.2% | 2.09% | −0.58 |
| SWIM Latham Group Inc. | Reduce -3.4% | 1.66% | −0.20 |
| PDFS PDF Solutions Inc. | Reduce -17.3% | 2.78% | +0.10 |
| TRNS Transcat Inc. | Reduce -26.8% | 2.91% | +0.10 |
| RRX Regal Rexnord Corp. | Reduce -11.9% | 3.30% | +0.74 |
| PKE Park Aerospace Corp. | Reduce -8.4% | 3.51% | +0.78 |
Portfolio Buys Q4 2025 → Q1 2026
| YSS York Space Systems Inc. | New | 3.96% | +3.96 |
| VPG Vishay Precision Group | New | 3.26% | +3.26 |
| RGEN Repligen Corp. | New | 3.00% | +3.00 |
| SRAD Sportradar Group AG-A | New | 2.60% | +2.60 |
| FPS Forgent Power Solutions Class A | New | 2.53% | +2.53 |
| ALGM Allegro Microsystems Inc. | New | 2.50% | +2.50 |
| LOAR Loar Holdings Inc. | New | 2.47% | +2.47 |
| ESAB Esab Corp. | New | 2.34% | +2.34 |
| CWST Casella Waste Systems Inc. Class A | New | 2.32% | +2.32 |
| WAY Waystar Holding Corp. | New | 2.25% | +2.25 |
| NEOG Neogen Corp. | New | 2.16% | +2.16 |
| FROG Jfrog Ltd. | New | 2.10% | +2.10 |
| DORM Dorman Products Inc. | New | 2.08% | +2.08 |
| AIN Albany Intl Corp. Class A | New | 1.64% | +1.64 |
| PUMP Propetro Holding Corp. | New | 1.64% | +1.64 |
| TTAN Servicetitan Inc. Class A | New | 1.59% | +1.59 |
| AMBQ Ambiq Micro Inc. | New | 1.49% | +1.49 |
| FLYW Flywire Corp.-Voting | New | 1.25% | +1.25 |
| ALKT Alkami Technology Inc. | New | 1.18% | +1.18 |
| MLAB Mesa Laboratories Inc. | Add +30.7% | 2.98% | +1.13 |
| JBTM JBT Marel Corp. | New | 1.10% | +1.10 |
| MC Moelis & Co. Class A | New | 1.09% | +1.09 |
| TKNO Alpha Teknova Inc. | Add +88.5% | 2.54% | +0.92 |
| SXT Sensient Technologies Corp. | Add +32.0% | 3.36% | +0.83 |
| CLBT Cellebrite Di Ltd. | Add +108.1% | 1.95% | +0.83 |
| STVN Stevanato Group SPA | Add +96.6% | 2.47% | +0.79 |
| SI Shoulder Innovations Inc. | Add +61.9% | 1.74% | +0.78 |
| XMTR Xometry Inc. Class A | Add +64.5% | 3.16% | +0.60 |
| MEC Mayville Engineering Co. Inc. | Add +44.0% | 1.76% | +0.60 |
| PCOR Procore Technologies Inc. | Add +54.6% | 1.94% | +0.48 |
| KIDS Orthopediatrics Corp. | Add +23.8% | 2.15% | +0.37 |
| RVTY Revvity Inc. | Add +4.8% | 2.62% | +0.10 |
| SARO Standardaero Inc. | Add +0.7% | 3.55% | −0.03 |
| AGYS Agilysys Inc. | Add +25.4% | 2.51% | −0.54 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 50 | $278.9M | SXT, TKNO, BLFS, AGYS, DORM |
| Q1 2026 | 43 | $214.3M | YSS, SARO, PKE, SXT, RRX |
| Q4 2025 | 46 | $234.5M | RAL, SARO, AGYS, NPKI, TRNS |
| Q3 2025 | 47 | $214.7M | TATT, PKE, GENI, NPKI, LASR |
| Q2 2025 | 51 | $208.4M | TATT, GTLS, GENI, NPKI, SARO |
| Q1 2025 | 50 | $191.9M | SARO, PKE, GENI, ATEX, COLD |
| Q4 2024 | 47 | $208.6M | FTAI, TLN, BELFB, NPKI, PKE |
| Q3 2024 | 47 | $181.5M | TLN, FTAI, BARNES GROUP INC, LSCC, OEC |
| Q2 2024 | 45 | $158.3M | BARNES GROUP INC, FTAI, ATEX, PKE, NPKI |
| Q1 2024Amended | 47 | $158.1M | FTAI, PKE, BARNES GROUP INC, CRS, ATEX |