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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
+43.63%
1 Year Est. Return
+54.84%
3 Year Est. Return
+173.81%
5 Year Est. Return
+195.03%
10 Year Est. Return
–
AUM
$279M
AUM Growth
+$64.6M
Cap. Flow
-$2.03M
Cap. Flow %
-0.73%
Top 10 Hldgs %
28.45%
Holding
71
New
28
Increased
12
Reduced
10
Closed
21

Top Buys

Rank Stock Value
1
ATS icon
ATS Corp
ATS
+$7.6M
2
BLFS icon
BioLife Solutions
BLFS
+$7.24M
3
OMCL icon
Omnicell
OMCL
+$6.76M
4
LKQ icon
LKQ Corp
LKQ
+$6.16M
5
PRSU
Pursuit Attractions and Hospitality Inc
PRSU
+$5.41M

Top Sells

Rank Stock Value
1
VPG icon
Vishay Precision Group
VPG
+$12.3M
2
YSS
York Space Systems
YSS
+$8.49M
3
XMTR icon
Xometry
XMTR
+$7.92M
4
SARO
StandardAero Inc
SARO
+$7.6M
5
RGEN icon
Repligen
RGEN
+$6.43M

Sector Composition

Rank Sector Weight
1 Industrials 33.4%
2 Technology 22.62%
3 Healthcare 20.57%
4 Consumer Discretionary 16.04%
5 Materials 3.73%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SWIM icon
26
Latham Group
SWIM
$833M
$5.26M 1.89%
812,601
+151,564
+23% +$851K
SI
27
Shoulder Innovations Inc
SI
$441M
$5.18M 1.86%
255,288
-1,833
-0.7% -$28.1K
BIRK icon
28
Birkenstock
BIRK
$5.89B
$5.13M 1.84%
+119,258
New +$4.82M
LPTH icon
29
Lightpath Technologies
LPTH
$705M
$5.11M 1.83%
+312,510
New +$4.36M
RRX icon
30
Regal Rexnord
RRX
$10.5B
$4.92M 1.76%
20,636
-17,103
-45% -$3.57M
CELH icon
31
Celsius Holdings
CELH
$8.35B
$4.83M 1.73%
+164,889
New +$5.2M
HXL icon
32
Hexcel
HXL
$7.17B
$4.82M 1.73%
+48,200
New +$4.37M
IA
33
Innovative Solutions & Support
IA
$370M
$4.76M 1.71%
+264,509
New +$5.12M
AMBQ
34
Ambiq Micro
AMBQ
$1.39B
$4.7M 1.69%
53,257
-72,564
-58% -$4.3M
EPAC icon
35
Enerpac Tool Group
EPAC
$1.92B
$4.64M 1.67%
+129,503
New +$4.54M
XPEL icon
36
XPEL
XPEL
$1.37B
$4.64M 1.66%
+93,575
New +$4.26M
PRLB icon
37
Protolabs
PRLB
$1.91B
$4.52M 1.62%
+55,415
New +$3.9M
ACVA icon
38
ACV Auctions
ACVA
$1.22B
$4.5M 1.61%
+625,761
New +$3.55M
BOOT icon
39
Boot Barn
BOOT
$4.69B
$4.44M 1.59%
+27,046
New +$4.39M
LFUS icon
40
Littelfuse
LFUS
$10.3B
$4.43M 1.59%
+9,724
New +$4.21M
ATR icon
41
AptarGroup
ATR
$8.46B
$4.36M 1.56%
+34,847
New +$4.23M
VPG icon
42
Vishay Precision Group
VPG
$833M
$4.34M 1.55%
28,920
-132,041
-82% -$12.3M
REZI icon
43
Resideo Technologies
REZI
$2.98B
$4.18M 1.5%
+134,503
New +$4.63M
WAY
44
Waystar Holding Corp
WAY
$5.03B
$3.93M 1.41%
191,234
-8,933
-4% -$188K
BWMN icon
45
Bowman Consulting
BWMN
$738M
$3.91M 1.4%
+133,949
New +$4.22M
DOCN icon
46
DigitalOcean
DOCN
$13.1B
$3.88M 1.39%
+24,690
New +$3.34M
PDFS icon
47
PDF Solutions
PDFS
$1.89B
$3.79M 1.36%
53,546
-128,391
-71% -$6.36M
AWI icon
48
Armstrong World Industries
AWI
$7.4B
$3.72M 1.33%
+23,203
New +$3.79M
VSH icon
49
Vishay Intertechnology
VSH
$4.69B
$3.13M 1.12%
+58,199
New +$2.38M
CSW
50
CSW Industrials
CSW
$5.19B
$3.06M 1.1%
+11,012
New +$3.05M
1
2
3

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Roubaix Capital's Q2 2026 Portfolio in Review

As of Q2 2026, Roubaix Capital held 71 positions worth $279M, up 30% from $214M the previous quarter. Its ten largest holdings account for 28% of the portfolio.

Roubaix Capital's Q2 2026 filing shows 28 new, 12 increased, 10 reduced and 21 closed positions. Its largest new stake was ATS Corp: 246,909 shares worth $7.11M. The largest sale was Vishay Precision Group, an estimated $12.3M.

By sector, the portfolio is most concentrated in Industrials at 33% of assets, down from 36% a quarter earlier, followed by Technology and Healthcare.

  • Roubaix Capital's largest Q2 2026 buy was ATS Corp: 246,909 shares worth $7.11M.
  • Roubaix Capital added most to JBT Marel in Q2 2026, an estimated $2.79M increase.
  • Roubaix Capital's biggest Q2 2026 reduction was Vishay Precision Group, cutting an estimated $12.3M.
  • Roubaix Capital fully exited York Space Systems in Q2 2026, selling an estimated $8.49M.
  • Roubaix Capital's ten largest holdings make up 28% of its $279M portfolio in Q2 2026.
  • Roubaix Capital opened 28 new positions and closed 21 in Q2 2026.
  • Roubaix Capital's portfolio value rose 30% quarter-over-quarter to $279M.

Based on Roubaix Capital's 13F filing for Q2 2026, filed 10 Aug 2026.