Roubaix Capital
DENVER, COfiles as Roubaix Capital, LLC
$279m in 50 US stocks at the end of 30 June 2026. The top 10 are 28.5% of the money. It changed about 56.7% of the portfolio this quarter.
Value
$279m
Stocks
50
Top 10 share
28.5%
Turnover
56.7%
What changed this quarter
New
Bought for the first time this quarter.
- Biolife SolutionsBLFS3.1% of the fund
- ATS Corp /ATSATS2.5% of the fund
- OmnicellOMCL2.5% of the fund
- Pursuit Attractions & HospitalityPRSU2.5% of the fund
- CryoportCYRX2.3% of the fund
- TimkenTKR2.2% of the fund
- NavanNAVN2.2% of the fund
- LKQLKQ2.1% of the fund
- Applied Aerospace & DefenseAADX2.1% of the fund
- Mama's CreationsMAMA1.9% of the fund
- Birkenstock HoldingBIRK1.8% of the fund
- Lightpath TechnologiesLPTH1.8% of the fund
- Celsius HoldingsCELH1.7% of the fund
- HexcelHXL1.7% of the fund
- Innovative Solutions & SupportIA1.7% of the fund
- Enerpac Tool GroupEPAC1.7% of the fund
- XpelXPEL1.7% of the fund
- Proto LabsPRLB1.6% of the fund
- ACV AuctionsACVA1.6% of the fund
- Boot Barn HoldingsBOOT1.6% of the fund
- LittelfuseLFUS1.6% of the fund
- AptargroupATR1.6% of the fund
- Resideo TechnologiesREZI1.5% of the fund
- Bowman Consulting GroupBWMN1.4% of the fund
- DigitalOcean HoldingsDOCN1.4% of the fund
Added
Bought more of a stock they already held.
- AgilysysAGYS2.9% of the fund+2%
- Dorman ProductsDORM2.7% of the fund+30%
- Stevanato Group S.p.A.STVN2.6% of the fund+3%
- FlywireFLYW2.3% of the fund+60%
- Casella Waste SystemsCWST2.2% of the fund+3%
- NeogenNEOG2.2% of the fund+38%
- OrthopediatricsKIDS2.1% of the fund+6%
- JBT MarelJBTM2.1% of the fund+117%
- Albany InternationalAIN2.1% of the fund+14%
- Cellebrite DICLBT2.0% of the fund+27%
- Latham GroupSWIM1.9% of the fund+23%
Cut
Sold some of their stake.
- Alpha TeknovaTKNO3.2% of the fund-16%
- RalliantRAL2.7% of the fund-34%
- Park AerospacePKE2.3% of the fund-39%
- XometryXMTR1.9% of the fund-67%
- Regal RexnordRRX1.8% of the fund-45%
- Ambiq MicroAMBQ1.7% of the fund-58%
- Vishay Precision GroupVPG1.6% of the fund-82%
- Waystar HoldingWAY1.4% of the fund-4%
- PDF SolutionsPDFS1.4% of the fund-71%
Sold out
Sold their entire stake.
- York Space SystemsYSS-100%
- StandardAeroSARO-100%
- RepligenRGEN-100%
- Mesa LaboratoriesMLAB-100%
- TranscatTRNS-100%
- RevvityRVTY-100%
- Sportradar Group AGSRAD-100%
- Forgent Power SolutionsFPS-100%
- Allegro MicrosystemsALGM-100%
- Loar HoldingsLOAR-100%
- EsabESAB-100%
- JFrogFROG-100%
- CCC Intelligent Solutions HoldingsCCC-100%
- Procore TechnologiesPCOR-100%
- NPK InternationalNPKI-100%
- Mayville Engineering CompanyMEC-100%
- ProPetro HoldingPUMP-100%
- NlightLASR-100%
- ServiceTitanTTAN-100%
- Alkami TechnologyALKT-100%
- MoelisMC-100%
Holdings
- ATS Corp /ATSATS
- Share
- 2.5%
- Value
- $7m
- Shares
- 246,909
New
- Applied Aerospace & DefenseAADX
- Share
- 2.1%
- Value
- $6m
- Shares
- 256,240
New
| Company | Share of fund | Value | Shares | Change |
|---|---|---|---|---|
| Sensient TechnologiesSXT | 3.7% | $10m | 84,299 | Held |
| Alpha TeknovaTKNO | 3.2% | $9m | 1,579,404 | -16% |
| Biolife SolutionsBLFS | 3.1% | $9m | 309,618 | New |
| AgilysysAGYS | 2.9% | $8m | 77,079 | +2% |
| Dorman ProductsDORM | 2.7% | $8m | 55,682 | +30% |
| RalliantRAL | 2.7% | $7m | 101,759 | -34% |
| Stevanato Group S.p.A.STVN | 2.6% | $7m | 396,822 | +3% |
| ATS Corp /ATSATS | 2.5% | $7m | 246,909 | New |
| OmnicellOMCL | 2.5% | $7m | 167,773 | New |
| Pursuit Attractions & HospitalityPRSU | 2.5% | $7m | 122,525 | New |
| FlywireFLYW | 2.3% | $6m | 369,457 | +60% |
| Park AerospacePKE | 2.3% | $6m | 168,978 | -39% |
| CryoportCYRX | 2.3% | $6m | 404,778 | New |
| Casella Waste SystemsCWST | 2.2% | $6m | 64,536 | +3% |
| TimkenTKR | 2.2% | $6m | 42,931 | New |
| NeogenNEOG | 2.2% | $6m | 687,112 | +38% |
| NavanNAVN | 2.2% | $6m | 265,887 | New |
| OrthopediatricsKIDS | 2.1% | $6m | 306,564 | +6% |
| LKQLKQ | 2.1% | $6m | 221,780 | New |
| Applied Aerospace & DefenseAADX | 2.1% | $6m | 256,240 | New |
| JBT MarelJBTM | 2.1% | $6m | 40,002 | +117% |
| Albany InternationalAIN | 2.1% | $6m | 77,024 | +14% |
| Cellebrite DICLBT | 2.0% | $6m | 383,672 | +27% |
| Mama's CreationsMAMA | 1.9% | $5m | 298,280 | New |
| XometryXMTR | 1.9% | $5m | 55,034 | -67% |
| Latham GroupSWIM | 1.9% | $5m | 812,601 | +23% |
| Shoulder InnovationsSI | 1.9% | $5m | 255,288 | Held |
| Birkenstock HoldingBIRK | 1.8% | $5m | 119,258 | New |
| Lightpath TechnologiesLPTH | 1.8% | $5m | 312,510 | New |
| Regal RexnordRRX | 1.8% | $5m | 20,636 | -45% |
| Celsius HoldingsCELH | 1.7% | $5m | 164,889 | New |
| HexcelHXL | 1.7% | $5m | 48,200 | New |
| Innovative Solutions & SupportIA | 1.7% | $5m | 264,509 | New |
| Ambiq MicroAMBQ | 1.7% | $5m | 53,257 | -58% |
| Enerpac Tool GroupEPAC | 1.7% | $5m | 129,503 | New |
| XpelXPEL | 1.7% | $5m | 93,575 | New |
| Proto LabsPRLB | 1.6% | $5m | 55,415 | New |
| ACV AuctionsACVA | 1.6% | $4m | 625,761 | New |
| Boot Barn HoldingsBOOT | 1.6% | $4m | 27,046 | New |
| LittelfuseLFUS | 1.6% | $4m | 9,724 | New |
| AptargroupATR | 1.6% | $4m | 34,847 | New |
| Vishay Precision GroupVPG | 1.6% | $4m | 28,920 | -82% |
| Resideo TechnologiesREZI | 1.5% | $4m | 134,503 | New |
| Waystar HoldingWAY | 1.4% | $4m | 191,234 | -4% |
| Bowman Consulting GroupBWMN | 1.4% | $4m | 133,949 | New |
| DigitalOcean HoldingsDOCN | 1.4% | $4m | 24,690 | New |
| PDF SolutionsPDFS | 1.4% | $4m | 53,546 | -71% |
| Armstrong World IndustriesAWI | 1.3% | $4m | 23,203 | New |
| Vishay IntertechnologyVSH | 1.1% | $3m | 58,199 | New |
| CSW IndustrialsCSW | 1.1% | $3m | 11,012 | New |
Over time and by industry
Value over time
Jun '25
Dec '25
Jun '26
Value is up 33.8% since 30 June 2025.
Where the money is
Technology29.1%
Industrials27.4%
Health care17.4%
Retail & consumer10.7%
Materials9.6%
Everyday goods3.6%
Utilities2.2%
From the fund's 13F filings. They list US stocks and options only, 45 days after each quarter, and leave out cash, bonds, shorts and foreign shares.