Conestoga's portfolio
In the Q3 2026 13F, filed November 2, 2026, Conestoga Capital Advisors reported 110 US stock positions worth $3.3B. The largest was Balchem (BCPC) at 4.3% of the portfolio. New positions: Allegro Microsystems (ALGM), VSE (VSEC) and Cavco Industries (CVCO). Added to: Knowles Cor (KN) and Enpro (NPO). The Q4 2026 13F is due by February 14, 2027.
What changed in Q3 2026
Compared with the previous 13F. Values are as reported at quarter end. How to read a 13F.
New positions
- Allegro MicrosystemsALGM$26M
- VSEVSEC$21M
- Cavco IndustriesCVCO$20M
- CognexCGNX$11M
- Sterling InfrastructureSTRL$9M
- EZCORPEZPW$2M
Added to
- Knowles CorKN$49M
- EnproNPO$47M
- PerimeterPRM$28M
- KarmanKRMN$28M
- Matador ResourcesMTDR$28M
- Magnolia Oil & GasMGY$23M
- Permian ResourcesPR$13M
- Forgent Power SolutionsFPS$10M
- DT MidstreamDTM$8M
- Vita Coco CompanyCOCO$3M
Trimmed
- BalchemBCPC$141M
- Casella Waste SystemsCWST$138M
- RepligenRGEN$135M
- Merit Medical SystemsMMSI$130M
- RBC BearingsRBC$130M
- NovantaNOVT$118M
- Stevanato Group SpASTVN$117M
- Digi InternationalDGII$114M
- CSW IndustrialsCSW$110M
- Construction PartnersROAD$102M
Sold out
None this quarter.
Holdings
110 US-listed positions in the Q3 2026 13F, largest first (top 50 shown; all of them in Investingly).
| Stock | % of portfolio | Value | Shares | Last quarter |
|---|---|---|---|---|
| BalchemBCPC | 4.26% | $141M | 854,550 | Trimmed |
| Casella Waste SystemsCWST | 4.17% | $138M | 1,720,853 | Trimmed |
| RepligenRGEN | 4.07% | $135M | 700,626 | Trimmed |
| Merit Medical SystemsMMSI | 3.93% | $130M | 1,510,239 | Trimmed |
| RBC BearingsRBC | 3.93% | $130M | 260,559 | Trimmed |
| NovantaNOVT | 3.57% | $118M | 832,212 | Trimmed |
| Stevanato Group SpASTVN | 3.54% | $117M | 5,596,515 | Trimmed |
| Digi InternationalDGII | 3.46% | $114M | 1,501,112 | Trimmed |
| CSW IndustrialsCSW | 3.31% | $110M | 380,389 | Trimmed |
| Construction PartnersROAD | 3.08% | $102M | 1,131,708 | Trimmed |
| Descartes SystemsDSGX | 3.04% | $101M | 1,246,517 | Trimmed |
| Mercury SystemsMRCY | 2.98% | $99M | 1,190,557 | Trimmed |
| FirstServiceFSV | 2.91% | $96M | 753,593 | Trimmed |
| ESCO TechnologiesESE | 2.37% | $78M | 295,820 | Trimmed |
| SPX TechnologiesSPXC | 2.26% | $75M | 441,629 | Trimmed |
| LeMaitre VascularLMAT | 2.19% | $73M | 878,581 | Trimmed |
| AAONAAON | 2.07% | $69M | 829,790 | Trimmed |
| MSA SafetyMSA | 2.03% | $67M | 378,181 | Trimmed |
| Vericel Corp OrdVCEL | 1.91% | $63M | 1,573,043 | Trimmed |
| Federal Signal | 1.85% | $61M | 554,046 | Held |
| Q2 Hldgs | 1.81% | $60M | 1,079,589 | Held |
| SiteOne Landscape SupplySITE | 1.77% | $59M | 649,540 | Trimmed |
| Helios TechnologiesHLIO | 1.72% | $57M | 837,738 | Trimmed |
| Simpson Manufacturing CompanySSD | 1.58% | $52M | 307,209 | Trimmed |
| Knowles CorKN | 1.48% | $49M | 1,319,834 | Added |
| ExponentEXPO | 1.47% | $49M | 744,573 | Trimmed |
| EnproNPO | 1.41% | $47M | 152,918 | Added |
| UL SolutionsULS | 1.34% | $45M | 679,048 | Trimmed |
| Kodiak Gas Svcs | 1.34% | $44M | 835,090 | Held |
| West Pharmaceutical ServicesWST | 1.14% | $38M | 101,475 | Trimmed |
| AgilysysAGYS | 1.13% | $37M | 385,294 | Trimmed |
| KadantKAI | 0.96% | $32M | 121,198 | Trimmed |
| ArtivionAORT | 0.94% | $31M | 1,369,855 | Trimmed |
| TranscatTRNS | 0.92% | $30M | 344,572 | Trimmed |
| nCinoNCNO | 0.92% | $30M | 1,670,675 | Trimmed |
| PerimeterPRM | 0.86% | $28M | 1,081,985 | Added |
| Guidewire SoftwareGWRE | 0.85% | $28M | 197,462 | Trimmed |
| KarmanKRMN | 0.84% | $28M | 863,076 | Added |
| Matador ResourcesMTDR | 0.84% | $28M | 538,276 | Added |
| RollinsROL | 0.81% | $27M | 893,470 | Trimmed |
| Heico Corp-Class AHEI/A | 0.81% | $27M | 116,759 | Trimmed |
| Tyler TechnologiesTYL | 0.80% | $26M | 82,989 | Trimmed |
| Allegro MicrosystemsALGM | 0.79% | $26M | 719,595 | New |
| Magnolia Oil & GasMGY | 0.69% | $23M | 978,785 | Added |
| VSEVSEC | 0.64% | $21M | 128,827 | New |
| Legence Corp. Class A Common stockLGN | 0.64% | $21M | 391,958 | Trimmed |
| GracoGGG | 0.63% | $21M | 272,584 | Trimmed |
| WD-40WDFC | 0.63% | $21M | 102,734 | Trimmed |
| Cavco IndustriesCVCO | 0.61% | $20M | 35,949 | New |
| Jack Henry & AssociatesJKHY | 0.61% | $20M | 140,186 | Trimmed |
By sector
Share of the reported value.
Reported value over time
Total 13F value at each quarter end.
Questions
What stocks does Conestoga own?
In the Q3 2026 13F, Conestoga Capital Advisors reported 110 US stock positions worth $3.3B. The largest: Balchem (BCPC) 4.3%, Casella Waste Systems (CWST) 4.2%, Repligen (RGEN) 4.1%, Merit Medical Systems (MMSI) 3.9%, RBC Bearings (RBC) 3.9%.
What did Conestoga buy last quarter?
In Q3 2026: new position in Allegro Microsystems (ALGM); new position in VSE (VSEC); new position in Cavco Industries (CVCO); added to Knowles Cor (KN); added to Enpro (NPO); added to Perimeter (PRM).
What did Conestoga sell last quarter?
In Q3 2026: cut Balchem (BCPC); cut Casella Waste Systems (CWST); cut Repligen (RGEN).
When is Conestoga's next 13F?
13F filings are due 45 days after each quarter ends. The Q4 2026 filing is due by February 14, 2027.
More investors
13F filings list US-listed long positions (and some options) held at quarter end. They leave out short positions, cash, bonds and non-US holdings, and arrive up to 45 days after the quarter ends, so the investor may have traded since. Information only, not investment advice.