DF Dent & Co. Inc.

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 15, 2025), DF Dent & Co. Inc. reported 260 stock positions worth $7.5 billion. Its top holding was Visa Class A (V) at 3.7% of the portfolio, followed by Heico Class A (HEI.A, 3.5%) and Waste Connections (WCN, 3.2%). Compared with Q4 2024, it opened 24 new positions, sold out of 12, added to 59 and reduced 129. The biggest buy was Booz Allen Hamilton (BAH, shares +8111%) and the biggest sale Bio-Techne (TECH, shares −10%).

Most Recent 13F
Q2 2026
Location
BALTIMORE, MD
CIK
0000934999
Portfolio Value
$7.5B (Q1 2025)
SEC Filing
0000934999-25-000004 ↗ filed May 15, 2025

Holdings Value

0$2.0B$4.0B$6.0B$8.0B$10.0B Q1 2024: $8.2B Q1 2024 Q2 2024: $7.7B Q2 2024 Q3 2024: $8.2B Q3 2024 Q4 2024: $7.9B Q4 2024 Q1 2025: $7.5B $7.5B Q1 2025 Q2 2025: $7.9B Q2 2025 Q3 2025: $7.7B Q3 2025 Q4 2025: $6.9B Q4 2025 Q1 2026: $5.2B Q1 2026 Q2 2026: $5.3B Q2 2026

Holdings 260 stocks · $7.5B

V Visa Inc. Class A 3.67% 783,905 $274.7M Reduce -3.0%
HEI.A Heico Corp. Class A 3.48% 1,236,566 $260.9M Add +0.2%
WCN Waste Connections Inc. 3.23% 1,239,741 $242.0M Reduce -3.8%
TDG Transdigm Group Inc. 3.10% 167,967 $232.3M Reduce -4.1%
VMC Vulcan Materials Co. 2.87% 920,185 $214.7M Reduce -4.6%
MA Mastercard Inc. Class A 2.86% 390,798 $214.2M Reduce -3.7%
ECL Ecolab Inc. 2.82% 833,428 $211.3M Reduce -6.7%
MCO Moody's Corp. 2.71% 435,775 $202.9M Reduce -3.5%
AMZN Amazon.com Inc. 2.60% 1,023,214 $194.7M Reduce -3.2%
CSGP Costar Group Inc. 2.50% 2,367,144 $187.5M Reduce -3.6%
ANSS Ansys Inc. 2.50% 591,765 $187.3M Reduce -3.7%
VLTO Veralto Corp. 2.32% 1,780,863 $173.5M Add +5.9%
ISRG Intuitive Surgical Inc. 2.28% 345,060 $170.9M Reduce -6.1%
GOOG Alphabet Inc. Class C 2.26% 1,085,481 $169.6M Reduce -2.7%
TECH Bio-Techne Corp. 2.26% 2,881,170 $168.9M Reduce -10.0%
FAST Fastenal Co. 2.25% 2,175,667 $168.7M Reduce -5.3%
VEEV Veeva Systems Inc. Class A 2.22% 716,785 $166.0M Reduce -12.0%
SPGI S&P Global Inc. 2.13% 314,535 $159.8M Reduce -10.5%
CBRE CBRE Group Inc. Class A 1.91% 1,094,984 $143.2M Reduce -5.5%
ODFL Old Dominion Freight Line 1.75% 791,199 $130.9M Reduce -7.1%
MSFT Microsoft Corp. 1.74% 347,687 $130.5M Reduce -2.0%
GWRE Guidewire Software Inc. 1.63% 651,959 $122.2M Reduce -34.4%
DHR Danaher Corp. 1.56% 569,271 $116.7M Reduce -2.5%
KNSL Kinsale Capital Group Inc. 1.52% 233,251 $113.5M Reduce -5.0%
TMO Thermo Fisher Scientific Inc. 1.41% 212,499 $105.7M Reduce -2.7%
GSHD Goosehead Insurance Inc. Class A 1.41% 892,916 $105.4M Reduce -13.5%
MKL Markel Group Inc. 1.38% 55,271 $103.3M Reduce -33.3%
CDNS Cadence Design SYS Inc. 1.36% 400,954 $102.0M Add +24.2%
VRSK Verisk Analytics Inc. 1.34% 338,354 $100.7M Reduce -6.4%
WST West Pharmaceutical Services 1.31% 439,298 $98.3M Add +10.6%
MPWR Monolithic Power Systems Inc. 1.24% 159,988 $92.8M Add +2.9%
MANH Manhattan Associates Inc. 1.22% 526,820 $91.2M Add +136.6%
APPF Appfolio Inc. Class A 1.15% 391,903 $86.2M Reduce -5.3%
RGEN Repligen Corp. 0.98% 574,676 $73.1M Add +2.0%
KMX Carmax Inc. 0.85% 818,412 $63.8M Reduce -6.6%
TEAM Atlassian Corp. Class A 0.85% 299,550 $63.6M Reduce -4.4%
INTU Intuit Inc. 0.83% 101,631 $62.4M Reduce -2.3%
TYL Tyler Technologies Inc. 0.77% 99,392 $57.8M Reduce -3.9%
SITE Siteone Landscape Supply Inc. 0.76% 466,343 $56.6M Reduce -30.6%
ASML ASML Holding NV-NY Reg SHS 0.73% 82,252 $54.5M Add +20.4%
WNS WNS Holdings Ltd. filed as WNS HLDGS LTD 0.72% 873,866 $53.7M Reduce -15.7%
BAH Booz Allen Hamilton Holdings 0.72% 512,095 $53.6M Add +8110.6%
CPRT Copart Inc. 0.71% 936,730 $53.0M Add +2.4%
ORLY O'reilly Automotive Inc. 0.68% 35,694 $51.1M Reduce -0.6%
SHW The Sherwin-Williams Co. 0.67% 143,631 $50.2M Reduce -2.7%
ZTS Zoetis Inc. 0.65% 294,227 $48.4M Reduce -0.9%
UBER Uber Technologies Inc. 0.61% 629,924 $45.9M Add +24.0%
MEDP Medpace Holdings Inc. 0.61% 149,458 $45.5M Add +1.6%
QCOM Qualcomm Inc. 0.60% 292,424 $44.9M Reduce -6.4%
AMT American Tower Corp. 0.58% 199,806 $43.5M Reduce -7.1%
MTD Mettler-Toledo International 0.52% 33,154 $39.2M Reduce -5.5%
CNM Core & Main Inc. Class A 0.52% 800,114 $38.7M Reduce -1.8%
FND Floor & Decor Holdings Inc. Class A 0.50% 468,942 $37.7M Reduce -9.3%
HLNE Hamilton Lane Inc. Class A 0.50% 251,735 $37.4M Reduce -2.3%
MSCI MSCI Inc. 0.49% 65,097 $36.8M Reduce -4.3%
MUSA Murphy USA Inc. 0.44% 69,806 $32.8M Reduce -2.8%
EXP Eagle Materials Inc. 0.43% 145,870 $32.4M Add +13.6%
CWST Casella Waste Systems Inc. Class A 0.43% 288,856 $32.2M Add +21.6%
CRWD CrowdStrike Holdings Inc. Class A 0.39% 83,064 $29.3M Reduce -12.5%
NOW ServiceNow Inc. 0.38% 35,886 $28.6M Add +41.2%
PTC PTC Inc. 0.36% 173,269 $26.8M New
PRM Perimeter Solutions Inc. 0.36% 2,660,674 $26.8M Add +17.6%
DSGX The Descartes Systems Grp 0.36% 264,075 $26.6M Reduce -2.4%
RBC RBC Bearings Inc. 0.35% 80,690 $26.0M Add +0.7%
ROP Roper Technologies Inc. 0.34% 43,417 $25.6M Reduce -10.5%
MORN Morningstar Inc. 0.33% 82,963 $24.9M Reduce -3.2%
HQY Healthequity Inc. 0.33% 279,971 $24.7M Reduce -2.6%
MSI Motorola Solutions Inc. 0.33% 56,141 $24.6M New
IEX Idex Corp. 0.31% 129,676 $23.5M Reduce -9.7%
IDXX Idexx Laboratories Inc. 0.30% 54,318 $22.8M Add +2.0%
ENTG Entegris Inc. 0.30% 253,208 $22.2M Add +0.3%
SPSC SPS Commerce Inc. 0.29% 163,384 $21.7M Add +33.3%
JBTM JBT Marel Corp. 0.28% 171,959 $21.0M Reduce -1.6%
PCOR Procore Technologies Inc. 0.28% 317,351 $21.0M Reduce -2.3%
MCHP Microchip Technology Inc. 0.28% 431,041 $20.9M Add +9.9%
HAYW Hayward Holdings Inc. 0.28% 1,480,845 $20.6M Reduce -2.2%
PG The Procter & Gamble Co. 0.27% 119,938 $20.4M Reduce -7.3%
NOVT Novanta Inc. 0.27% 156,317 $20.0M Reduce -21.8%
ALRM Alarm.com Holdings Inc. 0.26% 351,060 $19.5M Reduce -1.8%
AAPL Apple Inc. 0.25% 84,801 $18.8M Reduce -9.4%
CSW CSW Industrials Inc. 0.25% 64,451 $18.8M Reduce -3.4%
CRL Charles River Laboratories 0.23% 114,988 $17.3M Add +2.2%
EXPO Exponent Inc. 0.23% 211,732 $17.2M Add +0.7%
EVTC Evertec Inc. 0.21% 433,158 $15.9M Reduce -0.3%
UTZ Utz Brands Inc. 0.21% 1,125,017 $15.8M Reduce -2.9%
COST Costco Wholesale Corp. 0.21% 16,682 $15.8M Reduce -0.0%
SSD Simpson Manufacturing Co. Inc. 0.21% 99,775 $15.7M Reduce -1.9%
LMAT Lemaitre Vascular Inc. 0.21% 184,869 $15.5M Reduce -2.9%
WDFC WD-40 Co. 0.21% 63,426 $15.5M Reduce -2.1%
BFAM Bright Horizons Family Solut 0.20% 118,527 $15.1M Reduce -1.5%
FSS Federal Signal Corp. 0.19% 193,823 $14.3M Add +206.1%
PLOW Douglas Dynamics Inc. 0.18% 567,293 $13.2M Reduce -27.5%
DAVA Endava PLC- Spon ADR 0.18% 673,653 $13.1M Reduce -5.1%
AGYS Agilysys Inc. 0.18% 180,730 $13.1M Add +60.3%
TRUP Trupanion Inc. 0.17% 344,576 $12.8M Reduce -2.5%
BRK.B Berkshire Hathaway Inc. Class B 0.17% 24,087 $12.8M Reduce -9.5%
KAI Kadant Inc. 0.15% 33,606 $11.3M Reduce -32.3%
RXST Rxsight Inc. 0.14% 421,061 $10.6M Reduce -0.3%
AIT Applied Industrial Tech Inc. 0.14% 46,123 $10.4M Add +92.6%
BRK.A Berkshire Hathaway Inc. Class A 0.14% 13 $10.4M No change

Show all 260 holdings

Portfolio Sells Q4 2024 → Q1 2025

TECH Bio-Techne Corp. Reduce -10.0% 2.26% −0.66
GWRE Guidewire Software Inc. Reduce -34.4% 1.63% −0.49
EW Edwards Lifesciences Corp. Reduce -95.5% 0.02% −0.48
MKL Markel Group Inc. Reduce -33.3% 1.38% −0.43
GOOG Alphabet Inc. Class C Reduce -2.7% 2.26% −0.42
SITE Siteone Landscape Supply Inc. Reduce -30.6% 0.76% −0.36
AMZN Amazon.com Inc. Reduce -3.2% 2.60% −0.34
VMC Vulcan Materials Co. Reduce -4.6% 2.87% −0.27
BL Blackline Inc. Reduce -98.1% 0.00% −0.17
ODFL Old Dominion Freight Line Reduce -7.1% 1.75% −0.15
WSC Willscot Holdings Corp. Sold out 0.00% −0.15
MSFT Microsoft Corp. Reduce -2.0% 1.74% −0.15
FND Floor & Decor Holdings Inc. Class A Reduce -9.3% 0.50% −0.15
ISRG Intuitive Surgical Inc. Reduce -6.1% 2.28% −0.15
APPF Appfolio Inc. Class A Reduce -5.3% 1.15% −0.14
DHR Danaher Corp. Reduce -2.5% 1.56% −0.14
ANSS Ansys Inc. Reduce -3.7% 2.50% −0.12
NOVT Novanta Inc. Reduce -21.8% 0.27% −0.12
TEAM Atlassian Corp. Class A Reduce -4.4% 0.85% −0.12
ILMN Illumina Inc. Reduce -31.9% 0.08% −0.11
DAVA Endava PLC- Spon ADR Reduce -5.1% 0.18% −0.10
SPGI S&P Global Inc. Reduce -10.5% 2.13% −0.08
IEX Idex Corp. Reduce -9.7% 0.31% −0.07
KAI Kadant Inc. Reduce -32.3% 0.15% −0.07
PLOW Douglas Dynamics Inc. Reduce -27.5% 0.18% −0.06
KMX Carmax Inc. Reduce -6.6% 0.85% −0.06
CSW CSW Industrials Inc. Reduce -3.4% 0.25% −0.05
AAPL Apple Inc. Reduce -9.4% 0.25% −0.05
TRUP Trupanion Inc. Reduce -2.5% 0.17% −0.04
RXST Rxsight Inc. Reduce -0.3% 0.14% −0.04
DSGX The Descartes Systems Grp Reduce -2.4% 0.36% −0.03
MORN Morningstar Inc. Reduce -3.2% 0.33% −0.03
PCOR Procore Technologies Inc. Reduce -2.3% 0.28% −0.03
TMO Thermo Fisher Scientific Inc. Reduce -2.7% 1.41% −0.03
MSCI MSCI Inc. Reduce -4.3% 0.49% −0.03
TROW T Rowe Price Group Inc. Reduce -8.3% 0.08% −0.02
IWO iShares Russell 2000 Growth Sold out 0.00% −0.02
MTD Mettler-Toledo International Reduce -5.5% 0.52% −0.02
CRWD CrowdStrike Holdings Inc. Class A Reduce -12.5% 0.39% −0.02
CCJ Cameco Corp. Reduce -24.4% 0.03% −0.02
HQY Healthequity Inc. Reduce -2.6% 0.33% −0.02
UTZ Utz Brands Inc. Reduce -2.9% 0.21% −0.02
MUSA Murphy USA Inc. Reduce -2.8% 0.44% −0.02
HAYW Hayward Holdings Inc. Reduce -2.2% 0.28% −0.02
WAB Wabtec Corp. Reduce -40.4% 0.02% −0.02
IWP iShares Russell Mid-Cap Grow Sold out 0.00% −0.02
LMAT Lemaitre Vascular Inc. Reduce -2.9% 0.21% −0.01
ALRM Alarm.com Holdings Inc. Reduce -1.8% 0.26% −0.01
CBRE CBRE Group Inc. Class A Reduce -5.5% 1.91% −0.01
IR Ingersoll-Rand Inc. Reduce -30.3% 0.02% −0.01

Portfolio Buys Q4 2024 → Q1 2025

BAH Booz Allen Hamilton Holdings Add +8110.6% 0.72% +0.70
HEI.A Heico Corp. Class A Add +0.2% 3.48% +0.58
MANH Manhattan Associates Inc. Add +136.6% 1.22% +0.46
PTC PTC Inc. New 0.36% +0.36
MSI Motorola Solutions Inc. New 0.33% +0.33
UBER Uber Technologies Inc. Add +24.0% 0.61% +0.22
VLTO Veralto Corp. Add +5.9% 2.32% +0.15
CDNS Cadence Design SYS Inc. Add +24.2% 1.36% +0.13
ASML ASML Holding NV-NY Reg SHS Add +20.4% 0.73% +0.13
FSS Federal Signal Corp. Add +206.1% 0.19% +0.12
CWST Casella Waste Systems Inc. Class A Add +21.6% 0.43% +0.11
MPWR Monolithic Power Systems Inc. Add +2.9% 1.24% +0.07
AIT Applied Industrial Tech Inc. Add +92.6% 0.14% +0.07
MCEWEN MNG INC New 0.06% +0.06
RBC RBC Bearings Inc. Add +0.7% 0.35% +0.04
CPRT Copart Inc. Add +2.4% 0.71% +0.04
NOW ServiceNow Inc. Add +41.2% 0.38% +0.04
EXP Eagle Materials Inc. Add +13.6% 0.43% +0.03
IDXX Idexx Laboratories Inc. Add +2.0% 0.30% +0.03
WPM Wheaton Precious Metals Corp. Add +44.9% 0.05% +0.02
FNV Franco-Nevada Corp. Add +38.1% 0.05% +0.02
ISHG iShares -3 Year Internationa New 0.02% +0.02
BWZ State Street SPDR Bloomberg New 0.02% +0.02
JPM JPMorgan Chase & Co. Add +7.8% 0.13% +0.02
EQT Eqt Corp. New 0.02% +0.02
TTAN Servicetitan Inc. Class A Add +17.0% 0.12% +0.01
IJR iShares Core S&P Small-Cap E New 0.01% +0.01
SIG Signet Jewelers Ltd. New 0.01% +0.01
RRC Range Resources Corp. Add +6.7% 0.05% +0.01
WFC Wells Fargo & Co. Add +313.6% 0.01% +0.01
ABT Abbott Laboratories Add +0.5% 0.04% +0.01
IJH iShares Core S&P Midcap ETF New 0.01% +0.01
STNG Scorpio Tankers Inc. New 0.01% +0.01
KGC Kinross Gold Corp. New 0.01% +0.01
HL Hecla Mining Co. New 0.01% +0.01
ORCL Oracle Corp. Add +153.1% 0.01% +0.01
OTIS Otis Worldwide Corp. Add +26.4% 0.01% +0.00
SWN Southwestern Energy Co. New 0.00% +0.00
COP Conocophillips Add +88.5% 0.01% +0.00
CVX Chevron Corp. Add +1.5% 0.02% +0.00
SPSC SPS Commerce Inc. Add +33.3% 0.29% +0.00
UNH Unitedhealth Group Inc. Add +0.6% 0.04% +0.00
TRNO Terreno Realty Corp. Add +2.2% 0.03% +0.00
FXF Invesco Currencyshares Swiss New 0.00% +0.00
NTR Nutrien Ltd. New 0.00% +0.00
RSG Republic Services Inc. New 0.00% +0.00
LIN Linde PLC Add +2.0% 0.02% +0.00
KWEB Kranesh Csi China Internet New 0.00% +0.00
O Realty Income Corp. New 0.00% +0.00
DIS The Walt Disney Co. Add +23.1% 0.02% +0.00

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 271$5.3BGOOG, V, HEI.A, AMZN, TDG
Q1 2026 262$5.2BGOOG, V, AMZN, HEI.A, VMC
Q4 2025 263$6.9BGOOG, HEI.A, V, VMC, AMZN
Q3 2025 272$7.7BHEI.A, VMC, V, GOOG, TDG
Q2 2025 251$7.9BHEI.A, V, TDG, VMC, WCN
Q1 2025 260$7.5BV, HEI.A, WCN, TDG, VMC
Q4 2024 248$7.9BV, VMC, AMZN, TECH, HEI.A
Q3 2024 261$8.2BHEI.A, TECH, TDG, VMC, WCN
Q2 2024 244$7.7BHEI.A, WCN, VMC, ISRG, TDG
Q1 2024 265$8.2BVMC, TDG, WCN, ECL, ISRG