13F

Investor

Roubaix Capital, LLC

CIK 0001769700 · filed 2026-05-06 · SEC filing

13F book

$214.3M

Positions

43

21 new · 24 sold

Largest name

4.0%

York Space Systems Inc. · YSS

Est. mark

−$6.14M

Price effect on 22 names still held. Flow −$14.1M.
NameTickerSharesValueWeightEst. markChange
York Space Systems Inc.YSS382.9K$8.49M4.0%New
StandardAero, Inc.SARO294.4K$7.6M3.5%−$833.2KAdded−$780.4K
Park Aerospace CorpPKE274.8K$7.52M3.5%$1.66MCut$1.12M
Sensient Technologies CorpSXT83.2K$7.19M3.4%−$473.4KAdded$1.27M
Regal Rexnord CorpRRX37.7K$7.07M3.3%$1.77MCut$1.06M
Vishay Precision Group, Inc.VPG161K$6.99M3.3%New
Xometry, Inc.XMTR165.9K$6.78M3.2%−$1.88MAdded$777.7K
Ralliant CorpRAL154.6K$6.43M3.0%−$1.44MCut−$2.41M
Repligen CorpRGEN54.6K$6.43M3.0%New
Mesa Labs Inc72.1K$6.38M3.0%$547.5KAdded$2.04M
Transcat IncTRNS85K$6.24M2.9%$1.42MCut−$345K
Pdf Solutions IncPDFS181.9K$5.95M2.8%$760.5KCut−$326.1K
Revvity, Inc.RVTY64K$5.61M2.6%−$558.5KAdded−$303.7K
Sportradar Group AgSRAD333.4K$5.58M2.6%New
Alpha Teknova, Inc.TKNO1.88M$5.44M2.5%−$908.7KAdded$1.65M
Forgent Power Solutions, Inc.FPS184.9K$5.41M2.5%New
Agilysys IncAGYS75.5K$5.37M2.5%−$2.87MAdded−$1.79M
Allegro Microsystems, Inc.ALGM170K$5.36M2.5%New
Stevanato Group S.p.A.STVN385.3K$5.3M2.5%−$1.25MAdded$1.36M
Loar Holdings Inc.LOAR92.4K$5.29M2.5%New
ESAB CorpESAB51.9K$5.02M2.3%New
Casella Waste Sys Inc62.8K$4.98M2.3%New
Waystar Hldg Corp200.2K$4.83M2.3%New
Neogen CorpNEOG498.4K$4.63M2.2%New
Orthopediatrics CorpKIDS290K$4.6M2.1%−$442.9KAdded$441.5K
Jfrog LtdFROG95.9K$4.5M2.1%New
Ccc Intelligent Solutions Hl744.9K$4.47M2.1%−$1.45MCut−$1.78M
Dorman Prods Inc42.8K$4.47M2.1%New
Cellebrite DI Ltd.CLBT303.2K$4.18M1.9%−$619.1KAdded$1.55M
Procore Technologies, Inc.PCOR72.8K$4.15M1.9%−$740.8KAdded$723.3K
NPK International Inc.NPKI269.9K$3.91M1.8%$693.7KCut−$2.95M
Mayville Engr Co Inc210.7K$3.78M1.8%−$112.6KAdded$1.04M
Shoulder Innovations, Inc.SI257.1K$3.74M1.7%$36.5KAdded$1.46M
Latham Group, Inc.SWIM661K$3.55M1.7%−$647.8KCut−$793.8K
Albany Intl Corp67.5K$3.52M1.6%New
Propetro Hldg Corp243.3K$3.51M1.6%New
Nlight, Inc.LASR61.4K$3.5M1.6%$1.2MCut−$1.72M
ServiceTitan, Inc.TTAN53.7K$3.41M1.6%New
Ambiq Micro, Inc.AMBQ125.8K$3.2M1.5%New
Flywire CorpFLYW230.7K$2.69M1.3%New
Alkami Technology, Inc.ALKT161.1K$2.52M1.2%New
JBT MAREL CorpJBTM18.5K$2.36M1.1%New
Moelis & CoMC41K$2.34M1.1%New

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.