Conestoga Capital Advisors, LLC — 13F Holdings & Portfolio
CIK 1163744 · latest 13F-HR filed 2026-07-24
Conestoga Capital Advisors, LLC manages $4.60B in 13F-reported U.S. long-equity assets across 109 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are CWST (4.93%), RBC (4.59%), NOVT (4.30%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 12 new positions and exited 17; 34 existing positions rose in reported value and 43 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.
Long-equity book
Distinct positions
Filed 2026-07-24
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
| Name | Title / Status | Ownership | Type |
|---|
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- MERCURY SYS INC$42.0M +30.1%
- NOVANTA INC$26.4M +15.4%
- AAON INC$23.8M +22.6%
- LEGENCE CORP$19.7M +83.9%
- DIGI INTL INC$18.4M +12.7%
Top Trims
- BRIGHT HORIZONS FAM SOL IN D-$74.7M -70.3%
- EXPONENT INC-$50.0M -40.2%
- SITEONE LANDSCAPE SUPPLY INC-$37.4M -25.4%
- LEMAITRE VASCULAR INC-$30.0M -18.6%
- BALCHEM CORP-$28.3M -13.3%
New Positions
- KODIAK GAS SVCS INC$48.5M
- KNOWLES CORP$38.7M
- MATADOR RES CO$25.1M
- MAGNOLIA OIL & GAS CORP$23.9M
- PERIMETER SOLUTIONS INC$19.1M
Exited Positions
- BLACKLINE INC$62.4M
- AZENTA INC$60.1M
- CCC INTELLIGENT SOLUTIONS HL$31.4M
- BADGER METER INC$18.7M
- CLEARWATER ANALYTICS HLDGS I$15.0M
Conestoga Capital Advisors, LLC Holdings (2026-06-30)
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 | CASELLA WASTE SYS INC | CWST | 147448104 | $226.5M | 4.93% | 2,336,156 | SH |
| 2 | RBC BEARINGS INC | RBC | 75524B104 | $210.9M | 4.59% | 327,489 | SH |
| 3 | NOVANTA INC | NOVT | 67000B104 | $197.6M | 4.30% | 1,217,963 | SH |
| 4 | BALCHEM CORP | BCPC | 057665200 | $183.8M | 4.00% | 1,087,871 | SH |
| 5 | MERCURY SYS INC | MRCY | 589378108 | $181.9M | 3.96% | 1,487,191 | SH |
| 6 | FIRSTSERVICE CORP NEW | FSV | 33767E202 | $172.9M | 3.76% | 1,216,997 | SH |
| 7 | DIGI INTL INC | DGII | 253798102 | $163.2M | 3.55% | 2,177,359 | SH |
| 8 | CONSTRUCTION PARTNERS INC | ROAD | 21044C107 | $161.4M | 3.51% | 1,358,962 | SH |
| 9 | ESCO TECHNOLOGIES INC | ESE | 296315104 | $156.5M | 3.40% | 447,077 | SH |
| 10 | MERIT MED SYS INC | MMSI | 589889104 | $137.3M | 2.99% | 1,979,790 | SH |
| 11 | SPX TECHNOLOGIES INC | SPXC | 78473E103 | $134.2M | 2.92% | 547,175 | SH |
| 12 | REPLIGEN CORP | RGEN | 759916109 | $133.8M | 2.91% | 980,983 | SH |
| 13 | CSW INDUSTRIALS INC | CSW | 126402106 | $131.3M | 2.86% | 471,727 | SH |
| 14 | LEMAITRE VASCULAR INC | LMAT | 525558201 | $131.2M | 2.85% | 1,367,513 | SH |
| 15 | DESCARTES SYS GROUP INC | DSGX | 249906108 | $129.1M | 2.81% | 1,864,851 | SH |
| 16 | AAON INC | AAON | 000360206 | $128.9M | 2.80% | 1,015,825 | SH |
| 17 | STEVANATO GROUP S P A | STVN | T9224W109 | $126.6M | 2.75% | 7,007,613 | SH |
| 18 | SITEONE LANDSCAPE SUPPLY INC | SITE | 82982L103 | $109.9M | 2.39% | 960,286 | SH |
| 19 | MSA SAFETY INC | MSA | 553498106 | $96.8M | 2.11% | 554,574 | SH |
| 20 | HELIOS TECHNOLOGIES INC | HLIO | 42328H109 | $96.8M | 2.11% | 1,084,345 | SH |
| 21 | VERICEL CORP | VCEL | 92346J108 | $92.7M | 2.02% | 2,083,832 | SH |
| 22 | FEDERAL SIGNAL CORP | FSS | 313855108 | $92.1M | 2.00% | 716,591 | SH |
| 23 | UL SOLUTIONS INC | ULS | 903731107 | $83.5M | 1.82% | 819,373 | SH |
| 24 | SIMPSON MFG INC | SSD | 829073105 | $79.0M | 1.72% | 377,341 | SH |
| 25 | EXPONENT INC | EXPO | 30214U102 | $74.4M | 1.62% | 1,265,704 | SH |
| 26 | Q2 HLDGS INC | QTWO | 74736L109 | $67.0M | 1.46% | 1,393,275 | SH |
| 27 | UNIVERSAL TECHNICAL INST INC | UTI | 913915104 | $50.5M | 1.10% | 1,181,460 | SH |
| 28 | AGILYSYS INC | AGYS | 00847J105 | $49.8M | 1.08% | 476,554 | SH |
| 29 | KODIAK GAS SVCS INC | KGS | 50012A108 | $48.5M | 1.06% | 646,145 | SH |
| 30 | KADANT INC | KAI | 48282T104 | $47.2M | 1.03% | 150,265 | SH |
| 31 | LEGENCE CORP | LGN | 52476L109 | $43.2M | 0.94% | 506,578 | SH |
| 32 | TRANSCAT INC | TRNS | 893529107 | $41.7M | 0.91% | 449,557 | SH |
| 33 | ROLLINS INC | ROL | 775711104 | $41.4M | 0.90% | 991,591 | SH |
| 34 | WEST PHARMACEUTICAL SVSC INC | WST | 955306105 | $40.0M | 0.87% | 111,294 | SH |
| 35 | KARMAN HLDGS INC | KRMN | 485924104 | $39.9M | 0.87% | 798,496 | SH |
| 36 | KNOWLES CORP | KN | 49926D109 | $38.7M | 0.84% | 932,049 | SH |
| 37 | ARTIVION INC | AORT | 228903100 | $36.5M | 0.79% | 1,623,700 | SH |
| 38 | HEICO CORP NEW | HEI.A | 422806208 | $34.8M | 0.76% | 134,747 | SH |
| 39 | NCINO INC | NCNO | 63947X101 | $34.7M | 0.75% | 2,120,465 | SH |
| 40 | WATSCO INC | WSO | 942622200 | $33.7M | 0.73% | 80,975 | SH |
| 41 | BRIGHT HORIZONS FAM SOL IN D | BFAM | 109194100 | $31.5M | 0.69% | 444,997 | SH |
| 42 | WD 40 CO | WDFC | 929236107 | $30.7M | 0.67% | 126,199 | SH |
| 43 | ENPRO INC | NPO | 29355X107 | $29.9M | 0.65% | 79,390 | SH |
| 44 | HENRY JACK & ASSOC INC | JKHY | 426281101 | $27.7M | 0.60% | 200,836 | SH |
| 45 | GUIDEWIRE SOFTWARE INC | GWRE | 40171V100 | $27.6M | 0.60% | 224,372 | SH |
| 46 | TYLER TECHNOLOGIES INC | TYL | 902252105 | $27.5M | 0.60% | 94,018 | SH |
| 47 | GRACO INC | GGG | 384109104 | $26.4M | 0.58% | 349,644 | SH |
| 48 | MATADOR RES CO | MTDR | 576485205 | $25.1M | 0.55% | 503,990 | SH |
| 49 | MAGNOLIA OIL & GAS CORP | MGY | 559663109 | $23.9M | 0.52% | 935,605 | SH |
| 50 | JBT MAREL CORPORATION | JBTM | 477839104 | $23.2M | 0.50% | 159,760 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-07-24 | $4.60B | 109 | 0001163744-26-000020 |
| 2026-03-31 | 2026-04-24 | $5.01B | 114 | 0001163744-26-000019 |
| 2025-12-31 | 2026-02-02 | $5.94B | 121 | 0001163744-26-000017 |
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