Conestoga Capital Advisors, LLC

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed April 24, 2026), Conestoga Capital Advisors, LLC reported 114 stock positions worth $5.0 billion. Its top holding was RBC Bearings (RBC) at 4.7% of the portfolio, followed by Casella Waste Systems Class A (CWST, 4.4%) and Balchem (BCPC, 4.2%). Compared with Q4 2025, it opened 5 new positions, sold out of 12, added to 34 and reduced 44. The biggest buy was Lemaitre Vascular (LMAT, shares +4%) and the biggest sale Clearwater Analytics HDS-A (CWAN, shares −90%).

Most Recent 13F
Q2 2026
Location
WAYNE, PA
CIK
0001163744
Portfolio Value
$5.0B (Q1 2026)
SEC Filing
0001163744-26-000019 ↗ filed Apr 24, 2026

Holdings Value

0$2.0B$4.0B$6.0B$8.0B Q1 2024: $6.9B Q1 2024 Q2 2024: $6.7B Q2 2024 Q3 2024: $7.4B Q3 2024 Q4 2024: $7.5B Q4 2024 Q1 2025: $6.6B Q1 2025 Q2 2025: $6.8B Q2 2025 Q3 2025: $6.2B Q3 2025 Q4 2025: $5.9B Q4 2025 Q1 2026: $5.0B $5.0B Q1 2026 Q2 2026: $4.6B Q2 2026

Holdings 114 stocks · $5.0B
RBC RBC Bearings Inc. 4.66% 429,309 $233.2M Reduce -26.5%
CWST Casella Waste Systems Inc. Class A 4.44% 2,804,475 $222.5M Add +1.0%
BCPC Balchem Corp. 4.23% 1,251,189 $212.1M Add +3.9%
FSV Firstservice Corp. 3.90% 1,405,564 $195.3M Add +19.9%
ROAD Construction Partners Inc. Class A 3.67% 1,654,102 $183.8M Reduce -18.3%
NOVT Novanta Inc. 3.42% 1,449,815 $171.2M Reduce -0.6%
LMAT Lemaitre Vascular Inc. 3.22% 1,476,813 $161.2M Add +3.6%
ESE Esco Technologies Inc. 3.04% 541,781 $152.4M Reduce -30.1%
DSGX The Descartes Systems Grp 3.02% 2,111,320 $151.1M Reduce -15.8%
CSW CSW Industrials Inc. 3.01% 578,434 $150.7M Reduce -8.7%
MMSI Merit Medical Systems Inc. 2.98% 2,167,513 $149.4M Add +3.9%
SITE Siteone Landscape Supply Inc. 2.94% 1,106,701 $147.3M Add +3.0%
DGII Digi International Inc. 2.89% 3,004,773 $144.8M Add +1.7%
MRCY Mercury Systems Inc. 2.79% 1,918,591 $139.9M Reduce -11.8%
SPXC SPX Technologies Inc. 2.63% 657,553 $131.5M Reduce -13.3%
RGEN Repligen Corp. 2.58% 1,097,783 $129.3M Add +3.8%
EXPO Exponent Inc. 2.48% 1,906,505 $124.4M Reduce -20.3%
STVN Stevanato Group SPA 2.33% 8,491,751 $116.8M Add +7.6%
MSA Msa Safety Inc. 2.18% 664,812 $109.0M Reduce -11.5%
BFAM Bright Horizons Family Solut 2.12% 1,293,146 $106.2M Add +17.5%
AAON Aaon Inc. 2.10% 1,270,237 $105.1M Reduce -28.5%
SSD Simpson Manufacturing Co. Inc. 2.07% 605,281 $103.9M Reduce -28.7%
FSS Federal Signal Corp. 1.86% 860,917 $93.1M Reduce -13.9%
ULS Ul Solutions Inc. Class A 1.80% 1,049,607 $90.0M Add +0.3%
HLIO Helios Technologies Inc. 1.71% 1,325,206 $85.8M Reduce -14.6%
QTWO Q2 Holdings Inc. filed as Q2 HLDGS INC 1.68% 1,782,715 $84.3M Reduce -3.5%
VCEL Vericel Corp. 1.58% 2,463,312 $79.2M Add +9.3%
ROL Rollins Inc. 1.26% 1,177,963 $62.9M Add +4.2%
BL Blackline Inc. 1.25% 1,685,484 $62.4M Reduce -8.8%
KAI Kadant Inc. 1.23% 209,949 $61.4M Reduce -2.9%
AZTA Azenta Inc. 1.20% 2,844,546 $60.1M Add +116.1%
AGYS Agilysys Inc. 0.97% 683,741 $48.6M Add +14.3%
UTI Universal Technical Institut 0.93% 1,292,125 $46.6M Add +1366.0%
GGG Graco Inc. 0.91% 540,641 $45.8M Add +1.8%
WK Workiva Inc. 0.90% 754,553 $45.0M Reduce -30.3%
WSO Watsco Inc. 0.89% 121,904 $44.3M Add +5.5%
AORT Artivion Inc. 0.86% 1,175,410 $43.0M New
GWRE Guidewire Software Inc. 0.82% 274,841 $41.1M Add +5.9%
KRMN Karman Holdings Inc. 0.82% 512,521 $41.0M Reduce -4.2%
NCNO Ncino Inc. 0.81% 2,724,354 $40.8M Reduce -4.8%
TYL Tyler Technologies Inc. 0.79% 114,908 $39.3M Add +6.9%
HEI.A Heico Corp. Class A 0.78% 185,888 $39.2M Reduce -1.5%
JKHY Jack Henry & Associates Inc. filed as HENRY JACK & ASSOC INC 0.78% 247,311 $39.1M Add +5.1%
WDFC WD-40 Co. 0.77% 190,200 $38.8M Reduce -35.9%
TRNS Transcat Inc. 0.75% 512,518 $37.6M Reduce -45.7%
MIR Mirion Technologies Inc. 0.68% 1,831,019 $34.0M Reduce -5.6%
WST West Pharmaceutical Services 0.66% 130,970 $32.8M Add +6.7%
CCC CCC Intelligent Solutions Ho 0.63% 5,240,492 $31.4M Reduce -58.2%
POOL Pool Corp. 0.62% 152,624 $30.9M Add +5.5%
LCII Lci Industries 0.50% 204,198 $25.1M Add +4.8%
JBTM JBT Marel Corp. 0.50% 194,415 $24.9M Add +3.1%
TECH Bio-Techne Corp. 0.47% 451,416 $23.6M Add +27.3%
LGN Legence Corp. Class A 0.47% 415,860 $23.5M New
PCOR Procore Technologies Inc. 0.46% 407,273 $23.2M Add +5.7%
NPO Enpro Inc. 0.40% 80,350 $20.1M New
BMI Badger Meter Inc. 0.37% 122,658 $18.7M Reduce -5.9%
CWAN Clearwater Analytics HDS-A 0.30% 633,523 $15.0M Reduce -89.6%
CXT Crane NXT Co. 0.29% 363,898 $14.8M Reduce -62.9%
CACI Caci International Inc. Class A 0.29% 27,090 $14.7M New
EVI Evi Industries Inc. 0.29% 701,876 $14.4M Reduce -19.6%
MAMA Mama's Creations Inc. 0.06% 185,700 $2.8M No change
TWST Twist Bioscience Corp. 0.05% 56,785 $2.7M No change
PLMR Palomar Holdings Inc. 0.05% 20,635 $2.5M No change
ELVA Electrovaya Inc. 0.04% 263,320 $2.1M No change
HLMN Hillman Solutions Corp. 0.04% 246,735 $2.1M Reduce -95.7%
IRMD Iradimed Corp. 0.04% 21,215 $2.0M No change
BWMN Bowman Consulting Group Ltd. 0.04% 66,530 $1.9M Add +16.1%
ONT Onterris Inc. filed as MONTROSE ENVIRONMENTAL GROUP 0.04% 83,515 $1.8M Add +16.9%
WLDN Willdan Group Inc. 0.04% 23,667 $1.8M Add +15.9%
BLFS Biolife Solutions Inc. 0.04% 92,472 $1.8M Add +17.8%
GHM Graham Corp. 0.03% 21,340 $1.7M New
CLMB Climb Global Solutions Inc. 0.03% 72,350 $1.4M Add +37.4%
COCO The Vita Coco Co. Inc. 0.03% 29,675 $1.4M No change
ERII Energy Recovery Inc. 0.03% 133,725 $1.3M No change
CYRX Cryoport Inc. 0.03% 159,864 $1.3M No change
TCYSF Tecsys Inc. 0.03% 66,835 $1.3M No change
ODD Oddity Tech Ltd. Class A 0.03% 97,620 $1.3M Add +221.8%
NABL N-Able Inc. 0.02% 252,775 $1.2M No change
USPH U.S. Physical Therapy Inc. 0.02% 15,275 $1.1M No change
KIDS Orthopediatrics Corp. 0.02% 64,535 $1.0M Add +33.9%
COST Costco Wholesale Corp. 0.02% 935 $932K No change
TKNO Alpha Teknova Inc. 0.02% 317,084 $916K No change
MSFT Microsoft Corp. 0.02% 2,359 $873K No change
GOOGL Alphabet Inc. Class A 0.02% 2,930 $843K No change
FAST Fastenal Co. 0.02% 17,040 $791K No change
SPGI S&P Global Inc. 0.01% 1,521 $647K No change
VRSK Verisk Analytics Inc. 0.01% 3,316 $629K Reduce -23.7%
GOOG Alphabet Inc. Class C 0.01% 2,165 $621K No change
BRK.B Berkshire Hathaway Inc. Class B 0.01% 1,215 $582K No change
LIN Linde PLC 0.01% 1,065 $528K No change
PL Planet Labs PBC 0.01% 18,747 $524K Reduce -77.4%
WCN Waste Connections Inc. 0.01% 3,102 $504K Reduce -33.8%
MA Mastercard Inc. Class A 0.01% 995 $497K No change
SPSC SPS Commerce Inc. 0.01% 8,270 $460K Reduce -98.7%
JNJ Johnson & Johnson 0.01% 1,860 $455K No change
IDXX Idexx Laboratories Inc. 0.01% 790 $444K Reduce -34.4%
INTU Intuit Inc. 0.01% 795 $344K No change
AAPL Apple Inc. 0.01% 1,335 $339K No change
XYL Xylem Inc. 0.01% 2,717 $325K Reduce -26.7%
XOM Exxon Mobil Corp. 0.01% 1,884 $320K No change

Show all 114 holdings

Portfolio Sells Q4 2025 → Q1 2026
CWAN Clearwater Analytics HDS-A Reduce -89.6% 0.30% −2.18
CCC CCC Intelligent Solutions Ho Reduce -58.2% 0.63% −1.05
SPSC SPS Commerce Inc. Reduce -98.7% 0.01% −0.95
VERX Vertex Inc. Class A Sold out 0.00% −0.84
HLMN Hillman Solutions Corp. Reduce -95.7% 0.04% −0.79
DSGX The Descartes Systems Grp Reduce -15.8% 3.02% −0.68
WK Workiva Inc. Reduce -30.3% 0.90% −0.67
QTWO Q2 Holdings Inc. Reduce -3.5% 1.68% −0.56
CXT Crane NXT Co. Reduce -62.9% 0.29% −0.48
BL Blackline Inc. Reduce -8.8% 1.25% −0.47
NCNO Ncino Inc. Reduce -4.8% 0.81% −0.42
PCTY Paylocity Holding Corp. Sold out 0.00% −0.36
EXPO Exponent Inc. Reduce -20.3% 2.48% −0.31
SSD Simpson Manufacturing Co. Inc. Reduce -28.7% 2.07% −0.23
WDFC WD-40 Co. Reduce -35.9% 0.77% −0.21
AAON Aaon Inc. Reduce -28.5% 2.10% −0.18
TRNS Transcat Inc. Reduce -45.7% 0.75% −0.15
CSW CSW Industrials Inc. Reduce -8.7% 3.01% −0.12
MIR Mirion Technologies Inc. Reduce -5.6% 0.68% −0.08
EVI Evi Industries Inc. Reduce -19.6% 0.29% −0.07
PHR Phreesia Inc. Sold out 0.00% −0.03
IIIV I3 Verticals Inc. Class A Sold out 0.00% −0.03
ROAD Construction Partners Inc. Class A Reduce -18.3% 3.67% −0.03
TIC Tic Solutions Inc. Sold out 0.00% −0.02
HEI.A Heico Corp. Class A Reduce -1.5% 0.78% −0.02
PL Planet Labs PBC Reduce -77.4% 0.01% −0.02
BMI Badger Meter Inc. Reduce -5.9% 0.37% −0.01
CSGP Costar Group Inc. Reduce -36.0% 0.01% −0.01
SSTI Soundthinking Inc. Sold out 0.00% −0.01
IT Gartner Inc. Sold out 0.00% −0.01
FICO Fair Isaac Corp. Sold out 0.00% −0.01
IDXX Idexx Laboratories Inc. Reduce -34.4% 0.01% −0.00
AXON Axon Enterprise Inc. Sold out 0.00% −0.00
NET Cloudflare Inc. Class A Sold out 0.00% −0.00
VRSK Verisk Analytics Inc. Reduce -23.7% 0.01% −0.00
WCN Waste Connections Inc. Reduce -33.8% 0.01% −0.00
BSY Bentley Systems Inc. Class B Sold out 0.00% −0.00
VEEV Veeva Systems Inc. Class A Reduce -40.4% 0.00% −0.00
CPRT Copart Inc. Reduce -40.5% 0.01% −0.00
ODFL Old Dominion Freight Line Sold out 0.00% −0.00
ROP Roper Technologies Inc. Reduce -31.7% 0.01% −0.00
STE Steris PLC Reduce -40.4% 0.00% −0.00
TSCO Tractor Supply Company Reduce -33.0% 0.01% −0.00
XYL Xylem Inc. Reduce -26.7% 0.01% −0.00
FTNT Fortinet Inc. Reduce -34.8% 0.01% −0.00
GNRC Generac Holdings Inc. Reduce -40.8% 0.01% 0.00
FSS Federal Signal Corp. Reduce -13.9% 1.86% +0.03
SPXC SPX Technologies Inc. Reduce -13.3% 2.63% +0.07
MRCY Mercury Systems Inc. Reduce -11.8% 2.79% +0.12
MSA Msa Safety Inc. Reduce -11.5% 2.18% +0.15

Portfolio Buys Q4 2025 → Q1 2026
LMAT Lemaitre Vascular Inc. Add +3.6% 3.22% +1.27
BCPC Balchem Corp. Add +3.9% 4.23% +1.13
UTI Universal Technical Institut Add +1366.0% 0.93% +0.89
AORT Artivion Inc. New 0.86% +0.86
FSV Firstservice Corp. Add +19.9% 3.90% +0.83
DGII Digi International Inc. Add +1.7% 2.89% +0.74
SITE Siteone Landscape Supply Inc. Add +3.0% 2.94% +0.69
LGN Legence Corp. Class A New 0.47% +0.47
AZTA Azenta Inc. Add +116.1% 1.20% +0.46
ULS Ul Solutions Inc. Class A Add +0.3% 1.80% +0.41
NPO Enpro Inc. New 0.40% +0.40
CACI Caci International Inc. Class A New 0.29% +0.29
BFAM Bright Horizons Family Solut Add +17.5% 2.12% +0.24
WSO Watsco Inc. Add +5.5% 0.89% +0.23
VCEL Vericel Corp. Add +9.3% 1.58% +0.22
GGG Graco Inc. Add +1.8% 0.91% +0.18
TECH Bio-Techne Corp. Add +27.3% 0.47% +0.12
ROL Rollins Inc. Add +4.2% 1.26% +0.11
LCII Lci Industries Add +4.8% 0.50% +0.10
WST West Pharmaceutical Services Add +6.7% 0.66% +0.09
POOL Pool Corp. Add +5.5% 0.62% +0.06
JKHY Jack Henry & Associates Inc. Add +5.1% 0.78% +0.06
GHM Graham Corp. New 0.03% +0.03
JBTM JBT Marel Corp. Add +3.1% 0.50% +0.02
ONT Onterris Inc. Add +16.9% 0.04% +0.01
KIDS Orthopediatrics Corp. Add +33.9% 0.02% +0.01
BWMN Bowman Consulting Group Ltd. Add +16.1% 0.04% +0.01
CLMB Climb Global Solutions Inc. Add +37.4% 0.03% +0.01
ODD Oddity Tech Ltd. Class A Add +221.8% 0.03% +0.01
BLFS Biolife Solutions Inc. Add +17.8% 0.04% +0.00
WLDN Willdan Group Inc. Add +15.9% 0.04% +0.00
PCOR Procore Technologies Inc. Add +5.7% 0.46% −0.01
TYL Tyler Technologies Inc. Add +6.9% 0.79% −0.04
GWRE Guidewire Software Inc. Add +5.9% 0.82% −0.06
MMSI Merit Medical Systems Inc. Add +3.9% 2.98% −0.11
CWST Casella Waste Systems Inc. Class A Add +1.0% 4.44% −0.13
AGYS Agilysys Inc. Add +14.3% 0.97% −0.22
RGEN Repligen Corp. Add +3.8% 2.58% −0.33
STVN Stevanato Group SPA Add +7.6% 2.33% −0.34

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 109$4.6BCWST, RBC, NOVT, BCPC, MRCY
Q1 2026 114$5.0BRBC, CWST, BCPC, FSV, ROAD
Q4 2025 121$5.9BCWST, RBC, DSGX, ROAD, CSW
Q3 2025 122$6.2BCWST, ROAD, DSGX, RBC, FSV
Q2 2025 122$6.8BCWST, ROAD, DSGX, RBC, FSV
Q1 2025 123$6.6BCWST, DSGX, ROAD, FSV, MMSI
Q4 2024 124$7.5BDSGX, CWST, ROAD, FSV, EXPO
Q3 2024 121$7.4BDSGX, EXPO, CWST, SSD, FSV
Q2 2024 130$6.7BCWST, DSGX, EXPO, ALTR, SSD
Q1 2024 131$6.9BCWST, SSD, DSGX, FSV, NOVT