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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
+2.69%
1 Year Est. Return
+54.84%
3 Year Est. Return
+173.81%
5 Year Est. Return
+195.03%
10 Year Est. Return
AUM
$235M
AUM Growth
+$19.8M
Cap. Flow
+$18.2M
Cap. Flow %
7.75%
Top 10 Hldgs %
29.6%
Holding
68
New
21
Increased
15
Reduced
10
Closed
22

Top Buys

Rank Stock Value
1
RVTY icon
Revvity
RVTY
+$5.87M
2
XMTR icon
Xometry
XMTR
+$5.69M
3
BIRK icon
Birkenstock
BIRK
+$5.53M
4
AZTA icon
Azenta
AZTA
+$5.3M
5
TRNS icon
Transcat
TRNS
+$5.27M

Sector Composition

Rank Sector Weight
1 Technology 33.84%
2 Industrials 30.82%
3 Healthcare 17.23%
4 Consumer Discretionary 9.23%
5 Materials 4.65%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
RAL
1
Ralliant Corp
RAL
$6.83B
$8.84M 3.77%
173,580
+9,109
+6% +$427K
SARO
2
StandardAero Inc
SARO
$8.28B
$8.38M 3.58%
292,354
+53,795
+23% +$1.46M
AGYS icon
3
Agilysys
AGYS
$3.32B
$7.16M 3.05%
60,243
+3,294
+6% +$396K
NPKI
4
NPK International
NPKI
$1.12B
$6.86M 2.92%
575,348
-167,349
-23% -$2.04M
TRNS icon
5
Transcat
TRNS
$804M
$6.59M 2.81%
116,111
+84,573
+268% +$5.27M
JBI icon
6
Janus International
JBI
$667M
$6.5M 2.77%
993,145
+516,172
+108% +$4.02M
PKE icon
7
Park Aerospace
PKE
$705M
$6.4M 2.73%
299,962
-154,680
-34% -$3.08M
PDFS icon
8
PDF Solutions
PDFS
$1.89B
$6.28M 2.68%
220,022
+13,674
+7% +$378K
CCC
9
CCC Intelligent Solutions
CCC
$4.41B
$6.25M 2.66%
786,127
+532,334
+210% +$4.33M
MOD icon
10
Modine Manufacturing
MOD
$9.43B
$6.17M 2.63%
46,196
+1,854
+4% +$276K
AZTA icon
11
Azenta
AZTA
$1.44B
$6.11M 2.6%
183,599
+162,025
+751% +$5.3M
RRX icon
12
Regal Rexnord
RRX
$10.5B
$6.01M 2.56%
42,836
+6,313
+17% +$898K
XMTR icon
13
Xometry
XMTR
$5.39B
$6M 2.56%
+100,873
New +$5.69M
SXT icon
14
Sensient Technologies
SXT
$5.75B
$5.92M 2.53%
63,032
-3,107
-5% -$293K
RVTY icon
15
Revvity
RVTY
$14.4B
$5.91M 2.52%
+61,105
New +$5.87M
XPEL icon
16
XPEL
XPEL
$1.37B
$5.84M 2.49%
+116,949
New +$4.89M
BIRK icon
17
Birkenstock
BIRK
$5.89B
$5.34M 2.28%
+130,625
New +$5.53M
AIR icon
18
AAR Corp
AIR
$5.36B
$5.22M 2.22%
+63,009
New +$5.21M
LASR icon
19
nLIGHT
LASR
$2.48B
$5.22M 2.22%
139,048
-105,066
-43% -$3.51M
GENI icon
20
Genius Sports
GENI
$2.15B
$5.12M 2.18%
464,560
-234,009
-33% -$2.55M
NCNO icon
21
nCino
NCNO
$2.43B
$5.1M 2.18%
+199,020
New +$5.05M
OMCL icon
22
Omnicell
OMCL
$1.51B
$5.07M 2.16%
111,815
+35,432
+46% +$1.3M
FUL icon
23
H.B. Fuller
FUL
$3.03B
$4.98M 2.13%
+83,821
New +$4.93M
CERT icon
24
Certara
CERT
$1.27B
$4.96M 2.12%
563,064
+43,288
+8% +$446K
SITM icon
25
SiTime
SITM
$16.8B
$4.96M 2.11%
+14,036
New +$4.39M

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Roubaix Capital's Q4 2025 Portfolio in Review

As of Q4 2025, Roubaix Capital held 68 positions worth $235M, up 9.2% from $215M the previous quarter. Its ten largest holdings account for 30% of the portfolio.

Roubaix Capital deployed $18.2M of net new capital in Q4 2025, opening 21 new positions and adding to 15 existing holdings. Its largest new stake was Revvity: 61,105 shares worth $5.91M.

By sector, the portfolio is most concentrated in Technology at 34% of assets, up from 30% a quarter earlier, followed by Industrials and Healthcare.

On the sell side, the largest reduction was nLIGHT, an estimated $3.51M trimmed.

  • Roubaix Capital's largest Q4 2025 buy was Revvity: 61,105 shares worth $5.91M.
  • Roubaix Capital added most to Azenta in Q4 2025, an estimated $5.3M increase.
  • Roubaix Capital's biggest Q4 2025 reduction was nLIGHT, cutting an estimated $3.51M.
  • Roubaix Capital fully exited TAT Technologies in Q4 2025, selling an estimated $11M.
  • Roubaix Capital's ten largest holdings make up 30% of its $235M portfolio in Q4 2025.
  • Roubaix Capital opened 21 new positions and closed 22 in Q4 2025.
  • Roubaix Capital's portfolio value rose 9.2% quarter-over-quarter to $235M.

Based on Roubaix Capital's 13F filing for Q4 2025, filed 9 Feb 2026.