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Roubaix Capital Portfolio holdings

AUM $279M
1-Year Est. Return 54.84%
This Fund
S&P 500
This Quarter Est. Return
-6.51%
1 Year Est. Return
+54.84%
3 Year Est. Return
+173.81%
5 Year Est. Return
+195.03%
10 Year Est. Return
–
AUM
$214M
AUM Growth
-$20.3M
Cap. Flow
-$3.69M
Cap. Flow %
-1.72%
Top 10 Hldgs %
33.08%
Holding
67
New
21
Increased
13
Reduced
9
Closed
24

Top Buys

Rank Stock Value
1
YSS
York Space Systems
YSS
+$9.29M
2
RGEN icon
Repligen
RGEN
+$7.62M
3
VPG icon
Vishay Precision Group
VPG
+$7.27M
4
LOAR icon
Loar Holdings
LOAR
+$6.23M
5
SRAD icon
Sportradar
SRAD
+$6.2M

Top Sells

Rank Stock Value
1
JBI icon
Janus International
JBI
+$6.5M
2
MOD icon
Modine Manufacturing
MOD
+$6.17M
3
AZTA icon
Azenta
AZTA
+$6.11M
4
XPEL icon
XPEL
XPEL
+$5.84M
5
BIRK icon
Birkenstock
BIRK
+$5.34M

Sector Composition

Rank Sector Weight
1 Industrials 36.41%
2 Technology 34.85%
3 Healthcare 18.93%
4 Consumer Discretionary 3.73%
5 Materials 3.36%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
YSS
1
York Space Systems
YSS
$1.39B
$8.49M 3.96%
+382,906
New +$9.29M
SARO
2
StandardAero Inc
SARO
$9.33B
$7.6M 3.55%
294,397
+2,043
+0.7% +$60.9K
PKE icon
3
Park Aerospace
PKE
$815M
$7.52M 3.51%
274,815
-25,147
-8% -$644K
SXT icon
4
Sensient Technologies
SXT
$5.61B
$7.19M 3.36%
83,186
+20,154
+32% +$1.89M
RRX icon
5
Regal Rexnord
RRX
$11.5B
$7.07M 3.3%
37,739
-5,097
-12% -$947K
VPG icon
6
Vishay Precision Group
VPG
$894M
$6.99M 3.26%
+160,961
New +$7.27M
XMTR icon
7
Xometry
XMTR
$5.24B
$6.78M 3.16%
165,931
+65,058
+64% +$3.46M
RAL
8
Ralliant Corp
RAL
$7.91B
$6.43M 3%
154,619
-18,961
-11% -$891K
RGEN icon
9
Repligen
RGEN
$9.3B
$6.43M 3%
+54,555
New +$7.62M
MLAB icon
10
Mesa Laboratories
MLAB
$622M
$6.38M 2.98%
72,115
+16,926
+31% +$1.46M
TRNS icon
11
Transcat
TRNS
$893M
$6.24M 2.91%
84,982
-31,129
-27% -$2.19M
PDFS icon
12
PDF Solutions
PDFS
$2.08B
$5.95M 2.78%
181,937
-38,085
-17% -$1.24M
RVTY icon
13
Revvity
RVTY
$12.9B
$5.61M 2.62%
64,013
+2,908
+5% +$288K
SRAD icon
14
Sportradar
SRAD
$3.93B
$5.58M 2.6%
+333,382
New +$6.2M
TKNO icon
15
Alpha Teknova
TKNO
$378M
$5.44M 2.54%
1,882,355
+883,823
+89% +$2.49M
FPS
16
Forgent Power Solutions
FPS
$9.81B
$5.41M 2.53%
+184,863
New +$6.15M
AGYS icon
17
Agilysys
AGYS
$3.01B
$5.37M 2.51%
75,544
+15,301
+25% +$1.33M
ALGM icon
18
Allegro MicroSystems
ALGM
$7.93B
$5.36M 2.5%
+169,993
New +$5.86M
STVN icon
19
Stevanato
STVN
$5.75B
$5.3M 2.47%
385,316
+189,343
+97% +$3.14M
LOAR icon
20
Loar Holdings
LOAR
$6.83B
$5.29M 2.47%
+92,379
New +$6.23M
ESAB icon
21
ESAB
ESAB
$5.47B
$5.02M 2.34%
+51,928
New +$6.02M
CWST icon
22
Casella Waste Systems
CWST
$5.89B
$4.98M 2.32%
+62,772
New +$6.01M
WAY
23
Waystar Holding Corp
WAY
$4.66B
$4.83M 2.25%
+200,167
New +$5.31M
NEOG icon
24
Neogen
NEOG
$2.51B
$4.63M 2.16%
+498,424
New +$4.9M
KIDS icon
25
OrthoPediatrics
KIDS
$633M
$4.6M 2.15%
290,047
+55,724
+24% +$974K
1
2 3

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Roubaix Capital's Q1 2026 Portfolio in Review

As of Q1 2026, Roubaix Capital held 67 positions worth $214M, down 8.6% from $235M the previous quarter. Its ten largest holdings account for 33% of the portfolio.

Roubaix Capital's Q1 2026 filing shows 21 new, 13 increased, 9 reduced and 24 closed positions. Its largest new stake was York Space Systems: 382,906 shares worth $8.49M. The largest sale was Janus International, an estimated $6.5M.

By sector, the portfolio is most concentrated in Industrials at 36% of assets, up from 31% a quarter earlier, followed by Technology and Healthcare.

  • Roubaix Capital's largest Q1 2026 buy was York Space Systems: 382,906 shares worth $8.49M.
  • Roubaix Capital added most to Xometry in Q1 2026, an estimated $3.46M increase.
  • Roubaix Capital's biggest Q1 2026 reduction was NPK International, cutting an estimated $4.24M.
  • Roubaix Capital fully exited Janus International in Q1 2026, selling an estimated $6.5M.
  • Roubaix Capital's ten largest holdings make up 33% of its $214M portfolio in Q1 2026.
  • Roubaix Capital opened 21 new positions and closed 24 in Q1 2026.
  • Roubaix Capital's portfolio value fell 8.6% quarter-over-quarter to $214M.

Based on Roubaix Capital's 13F filing for Q1 2026, filed 6 May 2026.