Stocks/Funds/CIK 1769700

Roubaix Capital, LLC

Quarterly 13F filings · Latest period 2026-03-31 · CIK 1769700
Assets
$214M
+11.6% YoY
Holdings
43
Lifetime alpha vs market
-0.76% annual
Average hold time
1.3 yr
median 1.0 yr

Quarterly history

Cum return +48% vs S&P +52% · α -5% lifetimeAUM $214M · peak $235MFlow $-20M (-8%)2019-032020-062021-092022-122024-032025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+8.70%
adds when stocks drop
when a holding falls −10%+
Middle response
-0.51%
baseline attrition
Rally response
-13.68%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
YSSYork Space Systems, Inc.$8M4.0%0.3 yr
SAROStandardAero, Inc.$8M3.5%-3.0%1.5 yr
PKEPark Aerospace Corp.$8M3.5%+108.9%7.0 yr
SXTSensient Technologies Co$7M3.4%+18.1%1.0 yr
RRXRegal Rexnord Corporatio$7M3.3%+65.7%2.5 yr
VPGVishay Precision Group, $7M3.3%+80.2%1.3 yr
XMTRXometry, Inc.$7M3.2%+63.9%1.5 yr
RALRalliant Corp.$6M3.0%0.8 yr
RGENRepligen Corporation$6M3.0%-7.4%1.0 yr
MLABMesa Laboratories, Inc.$6M3.0%-24.9%0.8 yr
TRNSTranscat, Inc.$6M2.9%-1.3%1.0 yr
PDFSPDF Solutions, Inc.$6M2.8%+71.2%2.0 yr
PKIPerkinElmer, Inc.$6M2.6%0.5 yr
SRADSportradar Group AG$6M2.6%-22.6%1.5 yr
TKNOAlpha Teknova, Inc.$5M2.5%-44.3%2.0 yr

Portfolio composition (YoY)

Industry mix
Software - Application14.7%+5.8pp$31M
Aerospace & Defense12.5%+1.9pp$27M
Industrial - Machinery7.6%-2.6pp$16M
Hardware, Equipment & Parts6.2%-1.1pp$13M
Semiconductors5.6%+3.1pp$12M
Medical - Instruments & Supplies5.5%+0.7pp$12M
Medical - Diagnostics & Research4.8%+1.0pp$10M
Manufacturing - Metal Fabrication4.1%+2.0pp$9M
Software - Infrastructure4.0%-0.5pp$9M
Communication Equipment4.0%$8M
Country
US91.2%+3.8pp
CH2.6%
IT2.5%
IL1.9%-2.4pp
Unknown1.7%-0.2pp
Top 5: 17.7% · Top 10: 33.1% · Top 25: 70.2%

Winners

TickerPrev $PnLYoY %
PKE$6M+0.01B108.9%
RRX$4M+0.00B65.7%
FROG$3M+0.00B46.7%
XMTR$2M+0.00B63.9%
NEOG$3M+0.00B7.2%

Losers

TickerPrev $PnLYoY %
RGEN$4M-0.00B-7.4%
DORM$2M-0.00B-13.4%
SARO$7M-0.00B-3.0%
AGYS$5M-0.00B-1.9%

Top buys this quarter · 15

YSS York Space Systems, Inc.new+$8M
FPS Forgent Power Solutions, Inc.new+$5M
ESAB ESAB Corporationnew+$5M
CWST Casella Waste Systems, Inc.new+$5M
VPG Vishay Precision Group, Inc.+$4M
RGEN Repligen Corporation+$3M
AMBQ Ambiq Micro, Inc.new+$3M
XMTR Xometry, Inc.+$3M
DORM Dorman Products, Inc.+$3M
STVN Stevanato Group S.p.A.+$3M

Top sells this quarter · 15

MOD Modine Manufacturing Companyexit$10M
AAOI Applied Optoelectronics, Inc.exit$9M
AIR AAR Corp.exit$7M
LFUS Littelfuse, Inc.exit$7M
NXT Nextpower Inc.exit$7M
ATI ATI Inc.exit$5M
XPEL XPEL, Inc.exit$5M
FUL H.B. Fuller Companyexit$5M
JBI Janus International Group, Incexit$5M
KRMN Karman Holdings Inc.exit$5M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$214M43+22.99%+17.59%+5.40%-0.02B
2025-12-31$235M46+16.54%+17.72%-1.18%+0.01B
2025-09-30$215M47+20.63%+17.52%+3.12%-0.01B
2025-06-30$205M50+17.13%+14.94%+2.19%-0.01B
2025-03-31$192M50+4.19%+8.30%-4.11%-0.00B
2024-12-31$206M46+15.28%+24.89%-9.61%+0.02B
2024-09-30$174M45+15.42%+36.04%-20.61%+0.02B
2024-06-30$149M43+4.55%+24.49%-19.94%-0.00B
2024-03-31$154M46+10.97%+29.62%-18.65%+0.01B
2023-12-31$140M43+22.44%+26.18%-3.73%+0.00B
2023-09-30$126M39+20.46%+21.57%-1.11%+0.00B
2023-06-30$129M37+25.70%+19.42%+6.27%-0.00B
2023-03-31$126M41+3.79%-7.82%+11.61%-0.01B
2022-12-31$121M44+5.79%+7.56%-1.77%+0.01B
2022-09-30$109M40-0.87%-4.93%+4.06%-0.00B
2022-06-30$112M36-14.24%-16.11%+1.87%-0.00B