Roubaix Capital, LLC
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 12, 2025), Roubaix Capital, LLC reported 47 stock positions worth $214.7 million. Its top holding was Tat Technologies (TATT) at 5.1% of the portfolio, followed by Park Aerospace (PKE, 4.3%) and Genius Sports (GENI, 4.0%). Compared with Q2 2025, it opened 24 new positions, sold out of 28, added to 16 and reduced 7. The biggest buy was a new position in Ralliant (RAL) and the biggest sale an exit from Chart Industries (GTLS).
- Most Recent 13F
- Q2 2026
- Location
- DENVER, CO
- CIK
- 0001769700
- Portfolio Value
- $214.7M (Q3 2025)
- SEC Filing
- 0001769700-25-000009 ↗ filed Nov 12, 2025
Holdings Value
Holdings 47 stocks · $214.7M
| TATT Tat Technologies Ltd. | 5.13% | 250,141 | $11.0M | Add +6.6% |
| PKE Park Aerospace Corp. | 4.31% | 454,642 | $9.2M | Add +6.5% |
| GENI Genius Sports Ltd. | 4.03% | 698,569 | $8.6M | Add +5.9% |
| NPKI NPK International Inc. | 3.91% | 742,697 | $8.4M | Reduce -7.5% |
| LASR Nlight Inc. | 3.37% | 244,114 | $7.2M | Add +20.1% |
| RAL Ralliant Corp. | 3.35% | 164,471 | $7.2M | New |
| SARO Standardaero Inc. | 3.03% | 238,559 | $6.5M | Add +15.3% |
| CERT Certara Inc. | 2.96% | 519,776 | $6.4M | Add +83.5% |
| MOD Modine Manufacturing Co. | 2.94% | 44,342 | $6.3M | New |
| SXT Sensient Technologies Corp. | 2.89% | 66,139 | $6.2M | Add +0.8% |
| AGYS Agilysys Inc. | 2.79% | 56,949 | $6.0M | Add +0.4% |
| ORA Ormat Technologies Inc. | 2.78% | 62,055 | $6.0M | Add +14.2% |
| ATS Ats Corp. | 2.73% | 223,532 | $5.9M | New |
| JHX James Hardie Ind PLC | 2.61% | 291,314 | $5.6M | New |
| PDFS PDF Solutions Inc. | 2.48% | 206,348 | $5.3M | New |
| RRX Regal Rexnord Corp. | 2.44% | 36,523 | $5.2M | Add +70.3% |
| TKNO Alpha Teknova Inc. | 2.40% | 833,819 | $5.2M | Add +89.5% |
| MLAB Mesa Laboratories Inc. | 2.39% | 76,657 | $5.1M | New |
| SKY Champion Homes Inc. | 2.23% | 62,643 | $4.8M | New |
| JBI Janus International Group Inc. | 2.19% | 476,973 | $4.7M | Add +12.3% |
| WAY Waystar Holding Corp. | 2.09% | 118,092 | $4.5M | New |
| AEIS Advanced Energy Industries | 2.05% | 25,857 | $4.4M | Reduce -11.4% |
| MKSI MKS Inc. | 1.94% | 33,588 | $4.2M | Reduce -37.3% |
| APPN Appian Corp. Class A | 1.90% | 133,512 | $4.1M | New |
| OLED Universal Display Corp. | 1.80% | 26,963 | $3.9M | Reduce -3.4% |
| AXGN Axogen Inc. | 1.80% | 216,861 | $3.9M | New |
| GHM Graham Corp. | 1.77% | 69,364 | $3.8M | Add +57.0% |
| ATI Ati Inc. | 1.76% | 46,543 | $3.8M | Reduce -23.2% |
| QCRH QCR Holdings Inc. | 1.71% | 48,618 | $3.7M | New |
| SWIM Latham Group Inc. | 1.68% | 474,743 | $3.6M | Add +17.1% |
| RDNT Radnet Inc. | 1.65% | 46,439 | $3.5M | Reduce -43.4% |
| CLBT Cellebrite Di Ltd. | 1.61% | 187,121 | $3.5M | Add +6.8% |
| THRY Thryv Holdings Inc. | 1.58% | 281,454 | $3.4M | New |
| PCOR Procore Technologies Inc. | 1.51% | 44,495 | $3.2M | New |
| SAIA Saia Inc. | 1.51% | 10,836 | $3.2M | New |
| MEC Mayville Engineering Co. Inc. | 1.36% | 212,688 | $2.9M | Add +110.3% |
| KNF Knife River Corp. | 1.35% | 37,787 | $2.9M | Reduce -10.2% |
| HLLY Holley Inc. | 1.13% | 774,304 | $2.4M | New |
| AIP Arteris Inc. | 1.10% | 233,726 | $2.4M | New |
| MTLS Materialise NV-ADR | 1.10% | 423,016 | $2.4M | New |
| OMCL Omnicell Inc. | 1.08% | 76,383 | $2.3M | New |
| CCC CCC Intelligent Solutions Ho | 1.08% | 253,793 | $2.3M | New |
| TRNS Transcat Inc. | 1.07% | 31,538 | $2.3M | New |
| BIO Bio-Rad Laboratories-A | 1.06% | 8,112 | $2.3M | New |
| PUBM Pubmatic Inc. Class A | 1.05% | 271,335 | $2.2M | New |
| PATH Uipath Inc. Class A | 1.01% | 161,619 | $2.2M | New |
| AZTA Azenta Inc. | 0.29% | 21,574 | $620K | New |
Portfolio Sells Q2 2025 → Q3 2025
| GTLS Chart Industries Inc. | Sold out | 0.00% | −3.33 |
| BELFB Bel Fuse Inc. Class B | Sold out | 0.00% | −3.03 |
| MGNI Magnite Inc. | Sold out | 0.00% | −3.02 |
| TRS Trimas Corp. | Sold out | 0.00% | −2.92 |
| LQDT Liquidity Services Inc. | Sold out | 0.00% | −2.77 |
| NOVT Novanta Inc. | Sold out | 0.00% | −2.75 |
| FND Floor & Decor Holdings Inc. Class A | Sold out | 0.00% | −2.28 |
| IRMD Iradimed Corp. | Sold out | 0.00% | −2.05 |
| LSCC Lattice Semiconductor Corp. | Sold out | 0.00% | −2.03 |
| DCO Ducommun Inc. | Sold out | 0.00% | −2.03 |
| UMBF Umb Financial Corp. | Sold out | 0.00% | −1.98 |
| MIR Mirion Technologies Inc. | Sold out | 0.00% | −1.72 |
| KRMN Karman Holdings Inc. | Sold out | 0.00% | −1.66 |
| RGEN Repligen Corp. | Sold out | 0.00% | −1.58 |
| BWXT BWX Technologies Inc. | Sold out | 0.00% | −1.56 |
| KRNT Kornit Digital Ltd. | Sold out | 0.00% | −1.50 |
| ACVA Acv Auctions Inc. Class A | Sold out | 0.00% | −1.41 |
| AAON Aaon Inc. | Sold out | 0.00% | −1.39 |
| CGNX Cognex Corp. | Sold out | 0.00% | −1.39 |
| REAL The Realreal Inc. | Sold out | 0.00% | −1.37 |
| SITM Sitime Corp. | Sold out | 0.00% | −1.29 |
| XMTR Xometry Inc. Class A | Sold out | 0.00% | −1.12 |
| RXO Rxo Inc. | Sold out | 0.00% | −1.12 |
| SG Sweetgreen Inc. Class A | Sold out | 0.00% | −1.12 |
| VRNS Varonis Systems Inc. | Sold out | 0.00% | −1.11 |
| BIRK Birkenstock Holding PLC | Sold out | 0.00% | −1.06 |
| CFLT Confluent Inc. Class A | Sold out | 0.00% | −1.06 |
| GTLB Gitlab Inc. Class A | Sold out | 0.00% | −0.79 |
| ATI Ati Inc. | Reduce -23.2% | 1.76% | −0.75 |
| MKSI MKS Inc. | Reduce -37.3% | 1.94% | −0.62 |
| RDNT Radnet Inc. | Reduce -43.4% | 1.65% | −0.59 |
| KNF Knife River Corp. | Reduce -10.2% | 1.35% | −0.30 |
| OLED Universal Display Corp. | Reduce -3.4% | 1.80% | −0.27 |
| AEIS Advanced Energy Industries | Reduce -11.4% | 2.05% | +0.19 |
| NPKI NPK International Inc. | Reduce -7.5% | 3.91% | +0.63 |
Portfolio Buys Q2 2025 → Q3 2025
| RAL Ralliant Corp. | New | 3.35% | +3.35 |
| MOD Modine Manufacturing Co. | New | 2.94% | +2.94 |
| ATS Ats Corp. | New | 2.73% | +2.73 |
| JHX James Hardie Ind PLC | New | 2.61% | +2.61 |
| PDFS PDF Solutions Inc. | New | 2.48% | +2.48 |
| MLAB Mesa Laboratories Inc. | New | 2.39% | +2.39 |
| SKY Champion Homes Inc. | New | 2.23% | +2.23 |
| WAY Waystar Holding Corp. | New | 2.09% | +2.09 |
| APPN Appian Corp. Class A | New | 1.90% | +1.90 |
| AXGN Axogen Inc. | New | 1.80% | +1.80 |
| QCRH QCR Holdings Inc. | New | 1.71% | +1.71 |
| TATT Tat Technologies Ltd. | Add +6.6% | 5.13% | +1.69 |
| THRY Thryv Holdings Inc. | New | 1.58% | +1.58 |
| PCOR Procore Technologies Inc. | New | 1.51% | +1.51 |
| SAIA Saia Inc. | New | 1.51% | +1.51 |
| LASR Nlight Inc. | Add +20.1% | 3.37% | +1.45 |
| CERT Certara Inc. | Add +83.5% | 2.96% | +1.37 |
| TKNO Alpha Teknova Inc. | Add +89.5% | 2.40% | +1.37 |
| PKE Park Aerospace Corp. | Add +6.5% | 4.31% | +1.28 |
| HLLY Holley Inc. | New | 1.13% | +1.13 |
| AIP Arteris Inc. | New | 1.10% | +1.10 |
| MTLS Materialise NV-ADR | New | 1.10% | +1.10 |
| OMCL Omnicell Inc. | New | 1.08% | +1.08 |
| CCC CCC Intelligent Solutions Ho | New | 1.08% | +1.08 |
| TRNS Transcat Inc. | New | 1.07% | +1.07 |
| BIO Bio-Rad Laboratories-A | New | 1.06% | +1.06 |
| PUBM Pubmatic Inc. Class A | New | 1.05% | +1.05 |
| PATH Uipath Inc. Class A | New | 1.01% | +1.01 |
| RRX Regal Rexnord Corp. | Add +70.3% | 2.44% | +0.95 |
| GENI Genius Sports Ltd. | Add +5.9% | 4.03% | +0.74 |
| GHM Graham Corp. | Add +57.0% | 1.77% | +0.72 |
| ORA Ormat Technologies Inc. | Add +14.2% | 2.78% | +0.60 |
| MEC Mayville Engineering Co. Inc. | Add +110.3% | 1.36% | +0.59 |
| JBI Janus International Group Inc. | Add +12.3% | 2.19% | +0.53 |
| SWIM Latham Group Inc. | Add +17.1% | 1.68% | +0.44 |
| AZTA Azenta Inc. | New | 0.29% | +0.29 |
| CLBT Cellebrite Di Ltd. | Add +6.8% | 1.61% | +0.27 |
| SARO Standardaero Inc. | Add +15.3% | 3.03% | −0.11 |
| SXT Sensient Technologies Corp. | Add +0.8% | 2.89% | −0.21 |
| AGYS Agilysys Inc. | Add +0.4% | 2.79% | −0.33 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 50 | $278.9M | SXT, TKNO, BLFS, AGYS, DORM |
| Q1 2026 | 43 | $214.3M | YSS, SARO, PKE, SXT, RRX |
| Q4 2025 | 46 | $234.5M | RAL, SARO, AGYS, NPKI, TRNS |
| Q3 2025 | 47 | $214.7M | TATT, PKE, GENI, NPKI, LASR |
| Q2 2025 | 51 | $208.4M | TATT, GTLS, GENI, NPKI, SARO |
| Q1 2025 | 50 | $191.9M | SARO, PKE, GENI, ATEX, COLD |
| Q4 2024 | 47 | $208.6M | FTAI, TLN, BELFB, NPKI, PKE |
| Q3 2024 | 47 | $181.5M | TLN, FTAI, BARNES GROUP INC, LSCC, OEC |
| Q2 2024 | 45 | $158.3M | BARNES GROUP INC, FTAI, ATEX, PKE, NPKI |
| Q1 2024Amended | 47 | $158.1M | FTAI, PKE, BARNES GROUP INC, CRS, ATEX |