Roubaix Capital, LLC — 13F Holdings & Portfolio
CIK 1769700 · latest 13F-HR filed 2026-08-10
Roubaix Capital, LLC manages $278.9M in 13F-reported U.S. long-equity assets across 50 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SXT (3.73%), TKNO (3.22%), BLFS (3.14%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 28 new positions, exited 21, added to 16, and trimmed 6.
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.
DENVER, CO 80209
$278.9M
Long-equity book
50
Distinct positions
2026-06-30
Filed 2026-08-10
+28 / −21 / ↑16 / ↓6
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- FLYWIRE CORPORATION$3.8M +141.7%
- ALPHA TEKNOVA INC$3.5M +64.9%
- JBT MAREL CORPORATION$3.4M +145.7%
- SENSIENT TECHNOLOGIES CORP$3.2M +44.5%
- DORMAN PRODS INC$3.1M +70.1%
Top Trims
- VISHAY PRECISION GROUP INC-$2.7M -38.0%
- PDF SOLUTIONS INC-$2.2M -36.3%
- REGAL REXNORD CORPORATION-$2.2M -30.4%
- XOMETRY INC-$1.5M -21.6%
- PARK AEROSPACE CORP-$1.1M -14.3%
New Positions
- BIOLIFE SOLUTIONS INC$8.7M
- ATS CORPORATION$7.1M
- OMNICELL COM$7.0M
- PURSUIT ATTRACTIONS AND HOSP$6.9M
- CRYOPORT INC$6.4M
Exited Positions
- YORK SPACE SYSTEMS INC$8.5M
- STANDARDAERO INC$7.6M
- REPLIGEN CORP$6.4M
- MESA LABS INC$6.4M
- TRANSCAT INC$6.2M
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 | $10.4M | 3.73% | 84,299 | SH |
| 2 | ALPHA TEKNOVA INC | TKNO | 02080L102 | $9.0M | 3.22% | 1,579,404 | SH |
| 3 | BIOLIFE SOLUTIONS INC | BLFS | 09062W204 | $8.7M | 3.14% | 309,618 | SH |
| 4 | AGILYSYS INC | AGYS | 00847J105 | $8.1M | 2.89% | 77,079 | SH |
| 5 | DORMAN PRODS INC | DORM | 258278100 | $7.6M | 2.72% | 55,682 | SH |
| 6 | RALLIANT CORP | RAL | 750940108 | $7.5M | 2.69% | 101,759 | SH |
| 7 | STEVANATO GROUP S P A | STVN | T9224W109 | $7.2M | 2.57% | 396,822 | SH |
| 8 | ATS CORPORATION | ATS | 00217Y104 | $7.1M | 2.55% | 246,909 | SH |
| 9 | OMNICELL COM | OMCL | 68213N109 | $7.0M | 2.50% | 167,773 | SH |
| 10 | PURSUIT ATTRACTIONS AND HOSP | PRSU | 92552R406 | $6.9M | 2.46% | 122,525 | SH |
| 11 | FLYWIRE CORPORATION | FLYW | 302492103 | $6.5M | 2.33% | 369,457 | SH |
| 12 | PARK AEROSPACE CORP | PKE | 70014A104 | $6.4M | 2.31% | 168,978 | SH |
| 13 | CRYOPORT INC | CYRX | 229050307 | $6.4M | 2.28% | 404,778 | SH |
| 14 | CASELLA WASTE SYS INC | CWST | 147448104 | $6.3M | 2.24% | 64,536 | SH |
| 15 | TIMKEN CO | TKR | 887389104 | $6.2M | 2.24% | 42,931 | SH |
| 16 | NEOGEN CORP | NEOG | 640491106 | $6.2M | 2.21% | 687,112 | SH |
| 17 | NAVAN INC | NAVN | 639193101 | $6.1M | 2.18% | 265,887 | SH |
| 18 | ORTHOPEDIATRICS CORP | KIDS | 68752L100 | $5.9M | 2.10% | 306,564 | SH |
| 19 | LKQ CORP | LKQ | 501889208 | $5.8M | 2.09% | 221,780 | SH |
| 20 | APPLIED AEROSPACE & DEFENSE | AADX | 03815J107 | $5.8M | 2.09% | 256,240 | SH |
| 21 | JBT MAREL CORPORATION | JBTM | 477839104 | $5.8M | 2.08% | 40,002 | SH |
| 22 | ALBANY INTL CORP | AIN | 012348108 | $5.7M | 2.06% | 77,024 | SH |
| 23 | CELLEBRITE DI LTD | CLBT | M2197Q107 | $5.6M | 2.01% | 383,672 | SH |
| 24 | MAMAS CREATIONS INC | MAMA | 56146T103 | $5.3M | 1.91% | 298,280 | SH |
| 25 | XOMETRY INC | XMTR | 98423F109 | $5.3M | 1.90% | 55,034 | SH |
| 26 | LATHAM GROUP INC | SWIM | 51819L107 | $5.3M | 1.89% | 812,601 | SH |
| 27 | SHOULDER INNOVATIONS INC | SI | 82537J108 | $5.2M | 1.86% | 255,288 | SH |
| 28 | BIRKENSTOCK HOLDING PLC | BIRK | M2029K104 | $5.1M | 1.84% | 119,258 | SH |
| 29 | LIGHTPATH TECHNOLOGIES INC | LPTH | 532257805 | $5.1M | 1.83% | 312,510 | SH |
| 30 | REGAL REXNORD CORPORATION | RRX | 758750103 | $4.9M | 1.76% | 20,636 | SH |
| 31 | CELSIUS HLDGS INC | CELH | 15118V207 | $4.8M | 1.73% | 164,889 | SH |
| 32 | HEXCEL CORP NEW | HXL | 428291108 | $4.8M | 1.73% | 48,200 | SH |
| 33 | INNOVATIVE SOLUTIONS & SUPPO | ISSC | 45769N105 | $4.8M | 1.71% | 264,509 | SH |
| 34 | AMBIQ MICRO INC | AMBQ | 023193105 | $4.7M | 1.69% | 53,257 | SH |
| 35 | ENERPAC TOOL GROUP CORP | EPAC | 292765104 | $4.6M | 1.67% | 129,503 | SH |
| 36 | XPEL INC | XPEL | 98379L100 | $4.6M | 1.66% | 93,575 | SH |
| 37 | PROTO LABS INC | PRLB | 743713109 | $4.5M | 1.62% | 55,415 | SH |
| 38 | ACV AUCTIONS INC | ACVA | 00091G104 | $4.5M | 1.61% | 625,761 | SH |
| 39 | BOOT BARN HLDGS INC | BOOT | 099406100 | $4.4M | 1.59% | 27,046 | SH |
| 40 | LITTELFUSE INC | LFUS | 537008104 | $4.4M | 1.59% | 9,724 | SH |
| 41 | APTARGROUP INC | ATR | 038336103 | $4.4M | 1.56% | 34,847 | SH |
| 42 | VISHAY PRECISION GROUP INC | VPG | 92835K103 | $4.3M | 1.55% | 28,920 | SH |
| 43 | RESIDEO TECHNOLOGIES INC | REZI | 76118Y104 | $4.2M | 1.50% | 134,503 | SH |
| 44 | WAYSTAR HLDG CORP | WAY | 946784105 | $3.9M | 1.41% | 191,234 | SH |
| 45 | BOWMAN CONSULTING GROUP LTD | BWMN | 103002101 | $3.9M | 1.40% | 133,949 | SH |
| 46 | DIGITALOCEAN HLDGS INC | DOCN | 25402D102 | $3.9M | 1.39% | 24,690 | SH |
| 47 | PDF SOLUTIONS INC | PDFS | 693282105 | $3.8M | 1.36% | 53,546 | SH |
| 48 | ARMSTRONG WORLD INDS INC NEW | AWI | 04247X102 | $3.7M | 1.33% | 23,203 | SH |
| 49 | VISHAY INTERTECHNOLOGY INC | VSH | 928298108 | $3.1M | 1.12% | 58,199 | SH |
| 50 | CSW INDUSTRIALS INC | CSW | 126402106 | $3.1M | 1.10% | 11,012 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 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 |