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Roubaix Capital Portfolio holdings

AUM $214M
1-Year Est. Return 32.43%
This Fund
S&P 500
This Quarter Est. Return
+22.84%
1 Year Est. Return
+32.43%
3 Year Est. Return
+104.01%
5 Year Est. Return
+128.11%
10 Year Est. Return
–
AUM
$208M
AUM Growth
+$16.4M
Cap. Flow
-$12.1M
Cap. Flow %
-5.79%
Top 10 Hldgs %
31.78%
Holding
73
New
23
Increased
10
Reduced
18
Closed
22

Top Buys

Rank Stock Value
1
GTLS
Chart Industries
GTLS
+$6.19M
2
SXT icon
Sensient Technologies
SXT
+$5.87M
3
FND icon
Floor & Decor
FND
+$4.64M
4
LSCC icon
Lattice Semiconductor
LSCC
+$4.13M
5
LQDT icon
Liquidity Services
LQDT
+$3.98M

Top Sells

Rank Stock Value
1
ATEX icon
Anterix
ATEX
+$5.92M
2
COLD icon
Americold
COLD
+$5.55M
3
CCC
CCC Intelligent Solutions
CCC
+$5.52M
4
PACK icon
Ranpak Holdings
PACK
+$5.39M
5
MIDD icon
Middleby
MIDD
+$4.69M

Sector Composition

Rank Sector Weight
1 Industrials 38.9%
2 Technology 24.45%
3 Consumer Discretionary 12.93%
4 Healthcare 8.5%
5 Communication Services 6.31%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MIR icon
26
Mirion Technologies
MIR
$4.05B
$3.58M 1.72%
166,347
-212,751
-56% -$3.67M
JBI icon
27
Janus International
JBI
$726M
$3.46M 1.66%
424,804
-138,165
-25% -$1.05M
KRMN
28
Karman Holdings
KRMN
$6.55B
$3.45M 1.66%
68,480
-2,488
-4% -$100K
KNF icon
29
Knife River
KNF
$4.42B
$3.44M 1.65%
42,090
+8,823
+27% +$803K
CERT icon
30
Certara
CERT
$1.19B
$3.31M 1.59%
283,208
+14,137
+5% +$167K
RGEN icon
31
Repligen
RGEN
$7.44B
$3.29M 1.58%
26,459
-8,412
-24% -$1.07M
BWXT icon
32
BWX Technologies
BWXT
$16B
$3.25M 1.56%
+22,581
New +$2.64M
KRNT icon
33
Kornit Digital
KRNT
$704M
$3.12M 1.5%
+156,730
New +$3.12M
RRX icon
34
Regal Rexnord
RRX
$13.7B
$3.11M 1.49%
21,453
-10,581
-33% -$1.33M
ACVA icon
35
ACV Auctions
ACVA
$1.4B
$2.95M 1.41%
181,589
-40,706
-18% -$633K
AAON icon
36
Aaon
AAON
$8.16B
$2.89M 1.39%
+39,250
New +$3.44M
CGNX icon
37
Cognex
CGNX
$10B
$2.89M 1.39%
91,105
-9,423
-9% -$270K
REAL icon
38
The RealReal
REAL
$1.37B
$2.85M 1.37%
+595,449
New +$3.28M
CLBT icon
39
Cellebrite
CLBT
$3.68B
$2.8M 1.35%
+175,284
New +$3.12M
SITM icon
40
SiTime
SITM
$15.5B
$2.69M 1.29%
12,618
-6,824
-35% -$1.23M
SWIM icon
41
Latham Group
SWIM
$655M
$2.59M 1.24%
405,529
+77,074
+23% +$448K
XMTR icon
42
Xometry
XMTR
$4.73B
$2.34M 1.12%
69,366
-12,688
-15% -$372K
RXO icon
43
RXO
RXO
$3.98B
$2.34M 1.12%
+148,728
New +$2.25M
SG icon
44
Sweetgreen
SG
$738M
$2.33M 1.12%
+156,619
New +$2.58M
VRNS icon
45
Varonis Systems
VRNS
$5.34B
$2.31M 1.11%
+45,458
New +$2.07M
BIRK icon
46
Birkenstock
BIRK
$7.62B
$2.21M 1.06%
45,009
-37,344
-45% -$1.92M
CFLT
47
DELISTED
Confluent
CFLT
$2.2M 1.06%
+88,379
New +$1.99M
GHM icon
48
Graham Corp
GHM
$1.17B
$2.19M 1.05%
+44,196
New +$1.64M
TKNO icon
49
Alpha Teknova
TKNO
$262M
$2.16M 1.04%
+439,938
New +$2.59M
GTLB icon
50
GitLab
GTLB
$5.61B
$1.65M 0.79%
+36,566
New +$1.67M
1
2
3

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Roubaix Capital's Q2 2025 Portfolio in Review

As of Q2 2025, Roubaix Capital held 73 positions worth $208M, up 8.6% from $192M the previous quarter. Its ten largest holdings account for 32% of the portfolio.

Roubaix Capital withdrew a net $12.1M in Q2 2025, closing 22 positions and reducing 18 holdings. Its most notable exit was Anterix, an estimated $5.92M position sold in full.

By sector, the portfolio is most concentrated in Industrials at 39% of assets, up from 29% a quarter earlier, followed by Technology and Consumer Discretionary.

Against the trend, Roubaix Capital opened a new position in Chart Industries worth $6.94M.

  • Roubaix Capital's largest Q2 2025 buy was Chart Industries: 42,136 shares worth $6.94M.
  • Roubaix Capital added most to Liquidity Services in Q2 2025, an estimated $3.98M increase.
  • Roubaix Capital's biggest Q2 2025 reduction was Mirion Technologies, cutting an estimated $3.67M.
  • Roubaix Capital fully exited Anterix in Q2 2025, selling an estimated $5.92M.
  • Roubaix Capital's ten largest holdings make up 32% of its $208M portfolio in Q2 2025.
  • Roubaix Capital opened 23 new positions and closed 22 in Q2 2025.
  • Roubaix Capital's portfolio value rose 8.6% quarter-over-quarter to $208M.

Based on Roubaix Capital's 13F filing for Q2 2025, filed 13 Aug 2025.