Conestoga Capital Advisors, LLC 13F holdings
Conestoga Capital Advisors, LLC reported 108 positions with a total reported value of $4.6B as of 2026-06-30, in its 13F for Q2 2026, filed 2026-07-24. Top holdings by reported value: CWST CASELLA WASTE SYS INC (4.9%), RBC RBC BEARINGS INC (4.6%), NOVT NOVANTA INC (4.3%), BCPC BALCHEM CORP (4.0%), MRCY MERCURY SYS INC (4.0%). Against 2026-03-31 it opened 14 new positions and exited 19. Next 13F due by 2026-11-14, the legal deadline 45 days after the quarter ending 2026-09-30.
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Top holdings
25 largest of 108 positions · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| CWST CASELLA WASTE SYS INC | 2,336,156 | $226.5M | 4.9% |
| RBC RBC BEARINGS INC | 327,489 | $210.9M | 4.6% |
| NOVT NOVANTA INC | 1,217,963 | $197.6M | 4.3% |
| BCPC BALCHEM CORP | 1,087,871 | $183.8M | 4.0% |
| MRCY MERCURY SYS INC | 1,487,191 | $181.9M | 4.0% |
| FSV FIRSTSERVICE CORP NEW | 1,216,997 | $172.9M | 3.8% |
| DIGI INTL INC | 2,177,359 | $163.2M | 3.5% |
| ROAD CONSTRUCTION PARTNERS INC | 1,358,962 | $161.4M | 3.5% |
| ESE ESCO TECHNOLOGIES INC | 447,077 | $156.5M | 3.4% |
| MERIT MED SYS INC | 1,979,790 | $137.3M | 3.0% |
| SPXC SPX TECHNOLOGIES INC | 547,175 | $134.2M | 2.9% |
| RGEN REPLIGEN CORP | 980,983 | $133.8M | 2.9% |
| CSW CSW INDUSTRIALS INC | 471,727 | $131.3M | 2.9% |
| LMAT LEMAITRE VASCULAR INC | 1,367,513 | $131.2M | 2.9% |
| DSGX DESCARTES SYS GROUP INC | 1,864,851 | $129.1M | 2.8% |
| AAON AAON INC | 1,015,825 | $128.9M | 2.8% |
| STVN STEVANATO GROUP S P A | 7,007,613 | $126.6M | 2.8% |
| SITE SITEONE LANDSCAPE SUPPLY INC | 960,286 | $109.9M | 2.4% |
| MSA MSA SAFETY INC | 554,574 | $96.8M | 2.1% |
| HLIO HELIOS TECHNOLOGIES INC | 1,084,345 | $96.8M | 2.1% |
| VCEL VERICEL CORP | 2,083,832 | $92.7M | 2.0% |
| FSS FEDERAL SIGNAL CORP | 716,591 | $92.1M | 2.0% |
| ULS UL SOLUTIONS INC | 819,373 | $83.5M | 1.8% |
| SIMPSON MFG INC | 377,341 | $79.0M | 1.7% |
| EXPO EXPONENT INC | 1,265,704 | $74.4M | 1.6% |
SEC FORM 13F · Q2 2026 · VALUES AS REPORTED, NOT PRICES
New positions this quarter
Held at 2026-06-30, not at 2026-03-31 · 14 in all · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| KGS KODIAK GAS SVCS INC | 646,145 | $48.5M | 1.1% |
| KN KNOWLES CORP | 932,049 | $38.7M | 0.8% |
| MTDR MATADOR RES CO | 503,990 | $25.1M | 0.5% |
| MGY MAGNOLIA OIL & GAS CORP | 935,605 | $23.9M | 0.5% |
| PRM PERIMETER SOLUTIONS INC | 535,965 | $19.1M | 0.4% |
| PR PERMIAN RESOURCES CORP | 491,265 | $9.0M | 0.2% |
| FPS FORGENT POWER SOLUTIONS INC | 148,895 | $8.3M | 0.2% |
| DTM DT MIDSTREAM INC | 49,860 | $7.3M | 0.2% |
| ONTERRIS INC | 96,555 | $2.0M | <0.1% |
| PKE PARK AEROSPACE CORP | 49,485 | $1.9M | <0.1% |
| TECSYS INC COM | 66,305 | $1.5M | <0.1% |
| NPKI NPK INTERNATIONAL INC | 88,825 | $1.4M | <0.1% |
| AXON AXON ENTERPRISE INC | 395 | $221.4K | <0.1% |
| SJM SMUCKER J M CO | 1,780 | $200.2K | <0.1% |
Sold out
Held at 2026-03-31, gone by 2026-06-30 · 19 in all · reported value as of 2026-03-31
| Holding | Shares 2026-03-31 | Reported value | % of portfolio then |
|---|---|---|---|
| BL BLACKLINE INC | 1,685,484 | $62.4M | 1.2% |
| AZTA AZENTA INC | 2,844,546 | $60.1M | 1.2% |
| CCC CCC INTELLIGENT SOLUTIONS HL | 5,240,492 | $31.4M | 0.6% |
| BMI BADGER METER INC | 122,658 | $18.7M | 0.4% |
| CLEARWATER ANALYTICS HLDGS I | 633,523 | $15.0M | 0.3% |
| CXT CRANE NXT CO | 363,898 | $14.8M | 0.3% |
| MONTROSE ENVIRONMENTAL GROUP | 83,515 | $1.8M | <0.1% |
| ERII ENERGY RECOVERY INC | 133,725 | $1.3M | <0.1% |
| TECSYS INC | 66,835 | $1.3M | <0.1% |
| NABL N-ABLE INC | 252,775 | $1.2M | <0.1% |
| USPH U S PHYSICAL THERAPY | 15,275 | $1.1M | <0.1% |
| PL PLANET LABS PBC | 18,747 | $524.0K | <0.1% |
| SPSC SPS COMM INC | 8,270 | $460.4K | <0.1% |
| CSGP COSTAR GROUP INC | 7,859 | $317.0K | <0.1% |
| TSCO TRACTOR SUPPLY CO | 6,375 | $288.8K | <0.1% |
| CPRT COPART INC | 7,698 | $255.6K | <0.1% |
| STE STERIS PLC | 1,024 | $226.4K | <0.1% |
| VEEV VEEVA SYS INC | 1,242 | $218.2K | <0.1% |
| IVZ INVESCO EXCH TRADED FD TR II | 11,350 | $123.5K | <0.1% |
Biggest increases and decreases
Positions held at both quarter ends, by change in shares · reported value as of 2026-06-30
Increases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| KRMN KARMAN HLDGS INC | 512,521 | 798,496 | +55.8% | $39.9M |
| AORT ARTIVION INC | 1,175,410 | 1,623,700 | +38.1% | $36.5M |
| LGN LEGENCE CORP | 415,860 | 506,578 | +21.8% | $43.2M |
| CACI INTL INC | 27,090 | 28,950 | +6.9% | $13.4M |
| BLFS BIOLIFE SOLUTIONS INC | 92,472 | 121,652 | +31.6% | $3.4M |
| MAMA MAMAS CREATIONS INC | 185,700 | 228,160 | +22.9% | $4.1M |
| ELVA ELECTROVAYA INC | 263,320 | 328,100 | +24.6% | $3.4M |
| PLMR PALOMAR HLDGS INC | 20,635 | 25,960 | +25.8% | $3.3M |
| COCO VITA COCO CO INC | 29,675 | 36,950 | +24.5% | $2.4M |
| WLDN WILLDAN GROUP INC | 23,667 | 27,607 | +16.6% | $2.2M |
| XOM EXXON MOBIL CORP | 1,884 | 2,244 | +19.1% | $306.8K |
| INTU INTUIT | 795 | 855 | +7.5% | $223.2K |
Decreases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| RBC RBC BEARINGS INC | 429,309 | 327,489 | -23.7% | $210.9M |
| DIGI INTL INC | 3,004,773 | 2,177,359 | -27.5% | $163.2M |
| BRIGHT HORIZONS FAM SOL IN D | 1,293,146 | 444,997 | -65.6% | $31.5M |
| MRCY MERCURY SYS INC | 1,918,591 | 1,487,191 | -22.5% | $181.9M |
| SIMPSON MFG INC | 605,281 | 377,341 | -37.7% | $79.0M |
| CWST CASELLA WASTE SYS INC | 2,804,475 | 2,336,156 | -16.7% | $226.5M |
| EXPO EXPONENT INC | 1,906,505 | 1,265,704 | -33.6% | $74.4M |
| NOVT NOVANTA INC | 1,449,815 | 1,217,963 | -16.0% | $197.6M |
| ROAD CONSTRUCTION PARTNERS INC | 1,654,102 | 1,358,962 | -17.8% | $161.4M |
| ESE ESCO TECHNOLOGIES INC | 541,781 | 447,077 | -17.5% | $156.5M |
| AAON AAON INC | 1,270,237 | 1,015,825 | -20.0% | $128.9M |
| CSW CSW INDUSTRIALS INC | 578,434 | 471,727 | -18.4% | $131.3M |
CIK 1163744 · 13F FILINGS ON EDGAR · INFORMATIONAL ONLY
