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Roubaix Capital, LLC — 13F Holdings & Portfolio

CIK 1769700 · latest 13F-HR filed 2026-11-10

Backtest portfolio

Roubaix Capital, LLC manages $252.6M in 13F-reported U.S. long-equity assets across 53 reported positions as of its 2026-09-30 13F-HR filing. Its largest disclosed positions are SXT (4.36%), CYRX (3.13%), KIDS (3.00%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 21 new positions and exited 18; 12 existing positions rose in reported value and 16 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$252.6M

Long-equity book

Holdings
53

Distinct positions

Period
2026-09-30

Filed 2026-11-10

Q/Q Activity
+21 / −18 / ↑12 / ↓16

vs 2026-06-30

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q3 26
SXT4.4% · -0%CYRX3.1% · +12%KIDS3.0% · +11%LFUS2.9% · +75%SOLS2.8% · newSTVN2.7% · -17%AADX2.4% · +98%RAL2.4% · -14%PRLB2.4% · +15%ELMT2.4% · newTKNO2.4% · -57%LKQ2.3% · +15%PDFS2.3% · +111%MOD2.3% · newATR2.2% · +33%TKR2.2% · +11%IA2.2% · newVSH2.1% · +185%CWST2.1% · -0%FLYW2.0% · -22%OCTV2.0% · newVPG1.9% · +133%SARO1.9% · newPCOR1.9% · newPKE1.9% · -5%AIR1.8% · newXPEL1.8% · +9%PRSU1.8% · -26%NCNO1.8% · newSI1.7% · -10%AWI1.6% · +11%BWXT1.6% · newJBTM1.6% · -3%ORA1.6% · newFEIM1.6% · newBMI1.6% · newNEOG1.6% · -55%AESI1.5% · newRRX1.5% · +20%AGYS1.4% · -52%CSW1.4% · +11%OFRM1.4% · newNAVN1.4% · -38%STAA1.4% · newNSSC1.2% · newFLOC1.2% · newMH1.1% · newTTAN1.1% · newTRNS1.1% · newEROC1.1% · newSWIM1.1% · -46%DORM1.1% · -61%LPTH0.8% · -35%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q2 26 → Q3 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 28.5%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

As of the firm’s regulatory filing dated Mar 26, 2026.

Assets Under Management
$298.9M
Discretionary
$298.9M
Employees
7
Accounts
4
Address
155 S MADISON ST
SUITE 330
DENVER, CO 80209
Phone
(303) 209-4100
Website
Name Title / Status Ownership Type
Fletcher, Brenton ControlCHIEF OPERATING OFFICER & CHIEF COMPLIANCE OFFICER
since Mar 2024
Less than 5%Individual
HILLARY, CHRISTOPHER, EDMUND ControlCHIEF EXECUTIVE OFFICER
since Jun 2015
75% or moreIndividual
SHANKER, BETH, GOLDSTEIN ControlCHIEF LEGAL OFFICER
since Mar 2024
Less than 5%Individual
Ownership & leadership changes · 1 filing with changes since Jun 30, 2015

From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.

Mar 25, 2024 filing
  • AddedFletcher, Brenton · CHIEF OPERATING OFFICER & CHIEF COMPLIANCE OFFICER · Less than 5% · control person
  • ChangedSHANKER, BETH, GOLDSTEIN · title CHIEF OPERATING OFFICER & CHIEF COMPLIANCE OFFICER → CHIEF LEGAL OFFICER
Jun 30, 2015 filing (earliest on record)
  • ListedHILLARY, CHRISTOPHER, EDMUND · CHIEF EXECUTIVE OFFICER · 75% or more · control person
  • ListedSHANKER, BETH, GOLDSTEIN · CHIEF OPERATING OFFICER & CHIEF COMPLIANCE OFFICER · Less than 5% · control person

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Roubaix Capital, LLC Holdings (2026-09-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 Sensient Technologies Corp SXT 81725T100 $11.0M 4.36% 84,296 SH
2 Cryoport Inc CYRX 229050307 $7.9M 3.13% 454,926 SH
3 Orthopediatrics Corp KIDS 68752L100 $7.6M 3.00% 340,555 SH
4 Littelfuse Inc LFUS 537008104 $7.2M 2.85% 17,011 SH
5 Solstice Advanced Matls Inc SOLS 83443Q103 $7.0M 2.76% 123,776 SH
6 Stevanato Group S P A STVN T9224W109 $6.9M 2.73% 328,858 SH
7 Applied Aerospace & Defense AADX 03815J107 $6.1M 2.42% 508,131 SH
8 Ralliant Corp RAL 750940108 $6.1M 2.41% 88,011 SH
9 Proto Labs Inc PRLB 743713109 $6.1M 2.40% 63,950 SH
10 Elmet Group Co (The) ELMT 289395105 $6.0M 2.38% 301,377 SH
11 Alpha Teknova Inc TKNO 02080L102 $6.0M 2.37% 673,806 SH
12 Lkq Corp LKQ 501889208 $5.8M 2.30% 254,578 SH
13 Pdf Solutions Inc PDFS 693282105 $5.8M 2.28% 112,890 SH
14 Modine Mfg Co MOD 607828100 $5.8M 2.28% 30,762 SH
15 Aptargroup Inc ATR 038336103 $5.6M 2.23% 46,398 SH
16 Timken Co TKR 887389104 $5.6M 2.20% 47,656 SH
17 Innovative Solutions & Suppo IA 45769N105 $5.5M 2.17% 295,210 SH
18 Vishay Intertechnology Inc VSH 928298108 $5.4M 2.14% 165,713 SH
19 Casella Waste Sys Inc CWST 147448104 $5.2M 2.05% 64,534 SH
20 Flywire Corporation FLYW 302492103 $5.1M 2.00% 288,605 SH
21 Octave Intelligence Plc OCTV G22845104 $5.0M 1.97% 263,875 SH
22 Vishay Precision Group Inc VPG 92835K103 $4.9M 1.94% 67,254 SH
23 Standardaero Inc SARO 85423L103 $4.9M 1.93% 228,328 SH
24 Procore Technologies Inc PCOR 74275K108 $4.8M 1.92% 93,768 SH
25 Park Aerospace Corp PKE 70014A104 $4.8M 1.88% 160,321 SH
26 Aar Corp AIR 000361105 $4.5M 1.80% 44,687 SH
27 Xpel Inc XPEL 98379L100 $4.5M 1.78% 101,840 SH
28 Pursuit Attractions And Hosp PRSU 92552R406 $4.5M 1.78% 90,377 SH
29 Ncino Inc NCNO 63947X101 $4.5M 1.76% 245,609 SH
30 Shoulder Innovations Inc SI 82537J108 $4.3M 1.72% 229,944 SH
31 Armstrong World Inds Inc New AWI 04247X102 $4.2M 1.65% 25,716 SH
32 Bwx Technologies Inc BWXT 05605H100 $4.1M 1.63% 30,074 SH
33 Jbt Marel Corporation JBTM 477839104 $4.1M 1.62% 38,783 SH
34 Ormat Technologies Inc ORA 686688102 $4.0M 1.60% 44,136 SH
35 Frequency Electrs Inc FEIM 358010106 $4.0M 1.60% 47,691 SH
36 Badger Meter Inc BMI 056525108 $3.9M 1.56% 31,918 SH
37 Neogen Corp NEOG 640491106 $3.9M 1.56% 307,149 SH
38 Atlas Energy Solutions Inc AESI 642045108 $3.9M 1.54% 324,287 SH
39 Regal Rexnord Corporation RRX 758750103 $3.8M 1.52% 24,753 SH
40 Agilysys Inc AGYS 00847J105 $3.6M 1.44% 37,411 SH
41 Csw Industrials Inc CSW 126402106 $3.5M 1.39% 12,199 SH
42 Once Upon A Farm Pbc OFRM 68237F108 $3.5M 1.38% 220,734 SH
43 Navan Inc NAVN 639193101 $3.4M 1.36% 164,155 SH
44 Staar Surgical Co STAA 852312305 $3.4M 1.35% 151,315 SH
45 Napco Sec Technologies Inc NSSC 630402105 $3.0M 1.20% 85,330 SH
46 Flowco Hldgs Inc FLOC 342909108 $3.0M 1.19% 166,263 SH
47 Mcgraw Hill Inc MH 580907103 $2.9M 1.14% 219,956 SH
48 Servicetitan Inc TTAN 81764X103 $2.9M 1.13% 43,561 SH
49 Transcat Inc TRNS 893529107 $2.8M 1.11% 31,599 SH
50 Erock Inc EROC 296013105 $2.8M 1.09% 224,858 SH
Filing History
Period Filed AUM Holdings Accession
2026-09-30 2026-11-10 $252.6M 53 0001769700-26-000008
2026-06-30 2026-08-10 $278.9M 50 0001769700-26-000005
2026-03-31 2026-05-06 $214.3M 43 0001769700-26-000003
2025-12-31 2026-02-09 $234.5M 46 0001769700-26-000002
Filer Information
Address
155 S MADISON ST SUITE 330
DENVER, CO 80209
Phone
(303) 209-4127
Filing Manager
Roubaix Capital, LLC
DENVER, CO
Signatory
Brenton Fletcher
Chief Compliance Officer