Roubaix Capital, LLC
Roubaix Capital, LLC reported 50 US-listed holdings worth $278.9 million in its 13F for the quarter ended 30 June 2026, filed 10 August 2026. Its largest: Sensient Technologies Corp. (3.7%), Alpha Teknova Inc. (3.2%) and Biolife Solutions Inc. (3.1%). Against the quarter before, it opened 28 positions, added to 12, trimmed 10 and sold out of 21.
The 14 largest of its 50 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What its reported holdings returned
Held through each quarter, the holdings it reported returned +78.1% over the 7 quarters to 30 June 2026, against +30.2% for the S&P 500.
Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.
What it did on the quarter
Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held
Opened 28
- Biolife Solutions Inc. BLFS$8.7 million
- Ats Corporation ATS$7.1 million
- Omnicell, Inc. OMCL$7.0 million
- Pursuit Attractions & Hospitality, Inc. PRSU$6.9 million
- Cryoport Inc. CYRX$6.4 million
- Timken Co. TKR$6.2 million
- Navan Inc. NAVN$6.1 million
- LKQ Corp. LKQ$5.8 million
and 20 more in the table below
Added to 12
- JBT Marel Corp. JBTM+21,543 shares · +117%
- Flywire Corp. FLYW+138,766 shares · +60%
- Dorman Products, Inc. DORM+12,871 shares · +30%
- Neogen Corp. NEOG+188,688 shares · +38%
- Cellebrite Di Ltd CLBT+80,457 shares · +27%
- Latham Group Inc. SWIM+151,564 shares · +23%
- Albany International Corp. AIN+9,515 shares · +14%
- Orthopediatrics Corp. KIDS+16,517 shares · +6%
and 4 more in the table below
Trimmed 10
- Vishay Precision Group Inc. VPG-132,041 shares · -82%
- Xometry Inc. XMTR-110,897 shares · -67%
- PDF Solutions Inc. PDFS-128,391 shares · -71%
- Ambiq Micro Inc. AMBQ-72,564 shares · -58%
- Regal Rexnord Corp. RRX-17,103 shares · -45%
- Park Aerospace Corp. PKE-105,837 shares · -39%
- Ralliant Corp. RAL-52,860 shares · -34%
- Alpha Teknova Inc. TKNO-302,951 shares · -16%
and 2 more in the table below
Sold out of 21
- York Space Systems Inc. YSS$8.5 million last quarter
- StandardAero, Inc. SARO$7.6 million last quarter
- Repligen Corp. RGEN$6.4 million last quarter
- Mesa Labs Inc. MLAB$6.4 million last quarter
- Transcat Inc. TRNS$6.2 million last quarter
- Revvity, Inc. RVTY$5.6 million last quarter
- Sportradar Group AG SRAD$5.6 million last quarter
- Forgent Power Solutions Inc FPS$5.4 million last quarter
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| Sensient Technologies Corp. SXT | 84.3K | $10.4 million | 3.73% | +1.1K |
| Alpha Teknova Inc. TKNO | 1.6M | $9.0 million | 3.22% | -303.0K |
| Biolife Solutions Inc. BLFS | 309.6K | $8.7 million | 3.14% | new |
| Agilysys Inc. AGYS | 77.1K | $8.1 million | 2.89% | +1.5K |
| Dorman Products, Inc. DORM | 55.7K | $7.6 million | 2.72% | +12.9K |
| Ralliant Corp. RAL | 101.8K | $7.5 million | 2.69% | -52.9K |
| Stevanato Group SpA STVN | 396.8K | $7.2 million | 2.57% | +11.5K |
| Ats Corporation ATS | 246.9K | $7.1 million | 2.55% | new |
| Omnicell, Inc. OMCL | 167.8K | $7.0 million | 2.50% | new |
| Pursuit Attractions & Hospitality, Inc. PRSU | 122.5K | $6.9 million | 2.46% | new |
| Flywire Corp. FLYW | 369.5K | $6.5 million | 2.33% | +138.8K |
| Park Aerospace Corp. PKE | 169.0K | $6.4 million | 2.31% | -105.8K |
| Cryoport Inc. CYRX | 404.8K | $6.4 million | 2.28% | new |
| Casella Waste Systems Inc. CWST | 64.5K | $6.3 million | 2.24% | +1.8K |
| Timken Co. TKR | 42.9K | $6.2 million | 2.24% | new |
| Neogen Corp. NEOG | 687.1K | $6.2 million | 2.21% | +188.7K |
| Navan Inc. NAVN | 265.9K | $6.1 million | 2.18% | new |
| Orthopediatrics Corp. KIDS | 306.6K | $5.9 million | 2.10% | +16.5K |
| LKQ Corp. LKQ | 221.8K | $5.8 million | 2.09% | new |
| Applied Aerospace & Defense AADX | 256.2K | $5.8 million | 2.09% | new |
| JBT Marel Corp. JBTM | 40.0K | $5.8 million | 2.08% | +21.5K |
| Albany International Corp. AIN | 77.0K | $5.7 million | 2.06% | +9.5K |
| Cellebrite Di Ltd CLBT | 383.7K | $5.6 million | 2.01% | +80.5K |
| Mamas Creations Inc. MAMA | 298.3K | $5.3 million | 1.91% | new |
| Xometry Inc. XMTR | 55.0K | $5.3 million | 1.90% | -110.9K |
| Latham Group Inc. SWIM | 812.6K | $5.3 million | 1.89% | +151.6K |
| Shoulder Innovations Inc. SI | 255.3K | $5.2 million | 1.86% | -1.8K |
| Birkenstock Holding plc BIRK | 119.3K | $5.1 million | 1.84% | new |
| LightPath Technologies Inc LPTH | 312.5K | $5.1 million | 1.83% | new |
| Regal Rexnord Corp. RRX | 20.6K | $4.9 million | 1.76% | -17.1K |
| Celsius Holdings, Inc. CELH | 164.9K | $4.8 million | 1.73% | new |
| Hexcel Corp. HXL | 48.2K | $4.8 million | 1.73% | new |
| Innovative Solutions & Suppo IA | 264.5K | $4.8 million | 1.71% | new |
| Ambiq Micro Inc. AMBQ | 53.3K | $4.7 million | 1.69% | -72.6K |
| Enerpac Tool Group Corp. EPAC | 129.5K | $4.6 million | 1.67% | new |
| Xpel, Inc. XPEL | 93.6K | $4.6 million | 1.66% | new |
| Proto Labs Inc. PRLB | 55.4K | $4.5 million | 1.62% | new |
| Acv Auctions Inc. ACVA | 625.8K | $4.5 million | 1.61% | new |
| Boot Barn Holdings, Inc. BOOT | 27.0K | $4.4 million | 1.59% | new |
| Littelfuse Inc. LFUS | 9.7K | $4.4 million | 1.59% | new |
| Aptargroup, Inc. ATR | 34.8K | $4.4 million | 1.56% | new |
| Vishay Precision Group Inc. VPG | 28.9K | $4.3 million | 1.55% | -132.0K |
| Resideo Technologies, Inc. REZI | 134.5K | $4.2 million | 1.50% | new |
| Waystar Holding Corp. WAY | 191.2K | $3.9 million | 1.41% | -8.9K |
| Bowman Consulting Group Ltd BWMN | 133.9K | $3.9 million | 1.40% | new |
| DigitalOcean Holdings, Inc. DOCN | 24.7K | $3.9 million | 1.39% | new |
| PDF Solutions Inc. PDFS | 53.5K | $3.8 million | 1.36% | -128.4K |
| Armstrong World Industries Inc. AWI | 23.2K | $3.7 million | 1.33% | new |
| Vishay Intertechnology Inc. VSH | 58.2K | $3.1 million | 1.12% | new |
| CSW Industrials, Inc. CSW | 11.0K | $3.1 million | 1.10% | new |