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Roubaix Capital, LLC

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13F filer, CIK 1769700, DENVER, CO

Roubaix Capital, LLC reported $214,277,479 across 43 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-06. Its ten largest share positions make up 33.08% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001769700-26-000003

Period
2026-03-31
Reported value
$214M
Holdings
43
Top 10 weight
33.08%
New
21
Sold out
24

Largest buys vs the previous quarter

SecurityShares changeApprox. value
YSSnew+382,906$8.49M
VPGnew+160,961$6.99M
RGENnew+54,555$6.43M
SRADnew+333,382$5.58M
FPSnew+184,863$5.41M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
JBIexited-993,145-$6.5M
MODexited-46,196-$6.17M
AZTAexited-183,599-$6.11M
XPELexited-116,949-$5.84M
BIRKexited-130,625-$5.34M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001769700-26-000003, largest first. % of portfolio is the value over $214,277,479, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
YSSYORK SPACE SYSTEMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 382,906 shares 382,906$8.49M3.96%newTimeline
SAROSTANDARDAERO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 168,366 shares; 2025Q1: 247,685 shares; 2025Q2: 206,912 shares; 2025Q3: 238,559 shares; 2025Q4: 292,354 shares; 2026Q1: 294,397 shares 294,397$7.6M3.55%+2,043Timeline
PKEPARK AEROSPACE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 386,250 shares; 2024Q4: 455,797 shares; 2025Q1: 467,484 shares; 2025Q2: 426,786 shares; 2025Q3: 454,642 shares; 2025Q4: 299,962 shares; 2026Q1: 274,815 shares 274,815$7.52M3.51%-25,147Timeline
SXTSENSIENT TECHNOLOGIES CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 65,619 shares; 2025Q3: 66,139 shares; 2025Q4: 63,032 shares; 2026Q1: 83,186 shares 83,186$7.19M3.36%+20,154Timeline
RRXREGAL REXNORD CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 14,054 shares; 2024Q4: 31,345 shares; 2025Q1: 32,034 shares; 2025Q2: 21,453 shares; 2025Q3: 36,523 shares; 2025Q4: 42,836 shares; 2026Q1: 37,739 shares 37,739$7.07M3.3%-5,097Timeline
VPGVISHAY PRECISION GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 72,335 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 160,961 shares 160,961$6.99M3.26%newTimeline
XMTRXOMETRY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 82,054 shares; 2025Q2: 69,366 shares; 2025Q3: not reported; 2025Q4: 100,873 shares; 2026Q1: 165,931 shares 165,931$6.78M3.16%+65,058Timeline
RALRALLIANT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 164,471 shares; 2025Q4: 173,580 shares; 2026Q1: 154,619 shares 154,619$6.43M3%-18,961Timeline
RGENREPLIGEN CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 34,871 shares; 2025Q2: 26,459 shares; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 54,555 shares 54,555$6.43M3%newTimeline
MLABMESA LABS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 76,657 shares; 2025Q4: 55,189 shares; 2026Q1: 72,115 shares 72,115$6.38M2.98%+16,926Timeline
TRNSTRANSCAT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 31,538 shares; 2025Q4: 116,111 shares; 2026Q1: 84,982 shares 84,982$6.24M2.91%-31,129Timeline
PDFSPDF SOLUTIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 206,348 shares; 2025Q4: 220,022 shares; 2026Q1: 181,937 shares 181,937$5.95M2.78%-38,085Timeline
RVTYREVVITY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 61,105 shares; 2026Q1: 64,013 shares 64,013$5.61M2.62%+2,908Timeline
SRADSPORTRADAR GROUP AGQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 341,153 shares; 2024Q4: 349,211 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 333,382 shares 333,382$5.58M2.6%newTimeline
TKNOALPHA TEKNOVA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 416,416 shares; 2024Q4: 204,709 shares; 2025Q1: not reported; 2025Q2: 439,938 shares; 2025Q3: 833,819 shares; 2025Q4: 998,532 shares; 2026Q1: 1,882,355 shares 1,882,355$5.44M2.54%+883,823Timeline
FPSFORGENT POWER SOLUTIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 184,863 shares 184,863$5.41M2.53%newTimeline
AGYSAGILYSYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 67,742 shares; 2025Q2: 56,708 shares; 2025Q3: 56,949 shares; 2025Q4: 60,243 shares; 2026Q1: 75,544 shares 75,544$5.37M2.51%+15,301Timeline
ALGMALLEGRO MICROSYSTEMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 169,993 shares 169,993$5.36M2.5%newTimeline
STVNSTEVANATO GROUP S P AQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 195,973 shares; 2026Q1: 385,316 shares 385,316$5.3M2.47%+189,343Timeline
LOARLOAR HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 92,379 shares 92,379$5.29M2.47%newTimeline
ESABESAB CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 51,928 shares 51,928$5.02M2.34%newTimeline
CWSTCASELLA WASTE SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 62,772 shares 62,772$4.98M2.32%newTimeline
WAYWAYSTAR HLDG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 118,092 shares; 2025Q4: not reported; 2026Q1: 200,167 shares 200,167$4.83M2.25%newTimeline
NEOGNEOGEN CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 317,739 shares; 2024Q4: not reported; 2025Q1: 352,280 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 498,424 shares 498,424$4.63M2.16%newTimeline
KIDSORTHOPEDIATRICS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 234,323 shares; 2026Q1: 290,047 shares 290,047$4.6M2.15%+55,724Timeline
FROGJFROG LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 89,414 shares; 2024Q4: 150,361 shares; 2025Q1: 96,928 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 95,944 shares 95,944$4.5M2.1%newTimeline
CCCCCC INTELLIGENT SOLUTIONS HLQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 611,801 shares; 2025Q2: not reported; 2025Q3: 253,793 shares; 2025Q4: 786,127 shares; 2026Q1: 744,898 shares 744,898$4.47M2.09%-41,229Timeline
DORMDORMAN PRODS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 17,677 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 42,811 shares 42,811$4.47M2.09%newTimeline
CLBTCELLEBRITE DI LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 175,284 shares; 2025Q3: 187,121 shares; 2025Q4: 145,679 shares; 2026Q1: 303,215 shares 303,215$4.18M1.95%+157,536Timeline
PCORPROCORE TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 44,495 shares; 2025Q4: 47,067 shares; 2026Q1: 72,754 shares 72,754$4.15M1.94%+25,687Timeline
NPKINPK INTERNATIONAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 617,079 shares; 2024Q4: 887,403 shares; 2025Q1: 917,775 shares; 2025Q2: 803,366 shares; 2025Q3: 742,697 shares; 2025Q4: 575,348 shares; 2026Q1: 269,935 shares 269,935$3.91M1.83%-305,413Timeline
MECMAYVILLE ENGR CO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 101,138 shares; 2025Q3: 212,688 shares; 2025Q4: 146,297 shares; 2026Q1: 210,657 shares 210,657$3.78M1.76%+64,360Timeline
SISHOULDER INNOVATIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 158,816 shares; 2026Q1: 257,121 shares 257,121$3.74M1.74%+98,305Timeline
SWIMLATHAM GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 761,541 shares; 2024Q4: 741,637 shares; 2025Q1: 328,455 shares; 2025Q2: 405,529 shares; 2025Q3: 474,743 shares; 2025Q4: 684,028 shares; 2026Q1: 661,037 shares 661,037$3.55M1.66%-22,991Timeline
AINALBANY INTL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 58,328 shares; 2025Q1: 66,117 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 67,509 shares 67,509$3.52M1.64%newTimeline
PUMPPROPETRO HLDG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 361,215 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 243,257 shares 243,257$3.51M1.64%newTimeline
LASRNLIGHT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 203,274 shares; 2025Q3: 244,114 shares; 2025Q4: 139,048 shares; 2026Q1: 61,389 shares 61,389$3.5M1.63%-77,659Timeline
TTANSERVICETITAN INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 42,330 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 53,720 shares 53,720$3.41M1.59%newTimeline
AMBQAMBIQ MICRO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 125,821 shares 125,821$3.2M1.49%newTimeline
FLYWFLYWIRE CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 230,691 shares 230,691$2.69M1.25%newTimeline
ALKTALKAMI TECHNOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 161,101 shares 161,101$2.52M1.18%newTimeline
JBTMJBT MAREL CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 18,459 shares 18,459$2.36M1.1%newTimeline
MCMOELIS & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 40,967 shares 40,967$2.34M1.09%newTimeline

Sold out in Q1 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
JBIJANUS INTERNATIONAL GROUP IN993,145$6.5Mshares
MODMODINE MFG CO46,196$6.17Mshares
AZTAAZENTA INC183,599$6.11Mshares
XPELXPEL INC116,949$5.84Mshares
BIRKBIRKENSTOCK HOLDING PLC130,625$5.34Mshares
AIRAAR CORP63,009$5.22Mshares
GENIGENIUS SPORTS LIMITED464,560$5.12Mshares
NCNONCINO INC199,020$5.1Mshares
OMCLOMNICELL COM111,815$5.07Mshares
FULFULLER H B CO83,821$4.98Mshares
CERTCERTARA INC563,064$4.96Mshares
SITMSITIME CORP14,036$4.96Mshares
LFUSLITTELFUSE INC19,442$4.92Mshares
ORAORMAT TECHNOLOGIES INC43,598$4.82Mshares
NXTNEXTPOWER INC54,513$4.75Mshares
EVLVEVOLV TECHNOLOGIES HLDNGS IN626,414$4.49Mshares
KRMNKARMAN HLDGS INC61,118$4.47Mshares
LTHLIFE TIME GROUP HOLDINGS INC162,150$4.31Mshares
ATIATI INC37,284$4.28Mshares
ITRIITRON INC45,141$4.19Mshares
ATRAPTARGROUP INC34,317$4.19Mshares
PARPAR TECHNOLOGY CORP106,461$3.86Mshares
AAOIAPPLIED OPTOELECTRONICS INC108,275$3.77Mshares
VERXVERTEX INC184,446$3.68Mshares

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001769700-26-000003 base2026-05-06acceptance time not in the bulk data set