DF Dent & Co. Inc.

In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 15, 2024), DF Dent & Co. Inc. reported 261 stock positions worth $8.2 billion. Its top holding was Heico Class A (HEI.A) at 3.2% of the portfolio, followed by Bio-Techne (TECH, 3.2%) and Transdigm (TDG, 3.1%). Compared with Q2 2024, it opened 28 new positions, sold out of 11, added to 74 and reduced 102. The biggest buy was a new position in Cadence Design SYS (CDNS) and the biggest sale CrowdStrike Class A (CRWD, shares −44%).

Most Recent 13F
Q2 2026
Location
BALTIMORE, MD
CIK
0000934999
Portfolio Value
$8.2B (Q3 2024)
SEC Filing
0000934999-24-000013 ↗ filed Nov 15, 2024

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 $8.2B Q3 2024 Q4 2024: $7.9B Q4 2024 Q1 2025: $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 261 stocks · $8.2B

HEI.A Heico Corp. Class A 3.23% 1,304,304 $265.8M Reduce -10.3%
TECH Bio-Techne Corp. 3.21% 3,298,695 $263.7M Reduce -2.2%
TDG Transdigm Group Inc. 3.12% 180,017 $256.9M Reduce -5.6%
VMC Vulcan Materials Co. 3.00% 984,561 $246.6M Reduce -0.8%
WCN Waste Connections Inc. 2.85% 1,310,389 $234.3M Reduce -7.6%
ECL Ecolab Inc. 2.83% 912,565 $233.0M Reduce -9.9%
MCO Moody's Corp. 2.78% 481,550 $228.5M Reduce -7.4%
ISRG Intuitive Surgical Inc. 2.73% 457,273 $224.6M Reduce -17.0%
V Visa Inc. Class A 2.73% 815,670 $224.3M Reduce -1.8%
GWRE Guidewire Software Inc. 2.72% 1,223,561 $223.8M Reduce -18.5%
MA Mastercard Inc. Class A 2.47% 411,510 $203.2M Reduce -3.1%
ANSS Ansys Inc. 2.42% 623,331 $198.6M Reduce -4.5%
AMZN Amazon.com Inc. 2.41% 1,064,573 $198.4M Reduce -2.0%
GOOG Alphabet Inc. Class C 2.29% 1,125,608 $188.2M Reduce -2.1%
SPGI S&P Global Inc. 2.24% 356,206 $184.0M Reduce -8.1%
CBRE CBRE Group Inc. Class A 2.22% 1,464,506 $182.3M Reduce -30.7%
FAST Fastenal Co. 2.18% 2,509,995 $179.3M Reduce -2.6%
VEEV Veeva Systems Inc. Class A 2.13% 834,567 $175.2M Reduce -6.7%
VLTO Veralto Corp. 2.06% 1,512,634 $169.2M Reduce -27.0%
DHR Danaher Corp. 1.99% 589,248 $163.8M Reduce -2.0%
ODFL Old Dominion Freight Line 1.98% 819,396 $162.8M Reduce -6.7%
MKL Markel Group Inc. 1.87% 98,078 $153.8M Reduce -11.8%
MSFT Microsoft Corp. 1.86% 354,501 $152.5M Add +1.6%
TMO Thermo Fisher Scientific Inc. 1.69% 224,779 $139.0M Reduce -1.7%
CSGP Costar Group Inc. 1.63% 1,773,578 $133.8M Reduce -5.8%
WST West Pharmaceutical Services 1.45% 397,152 $119.2M Add +33.0%
SITE Siteone Landscape Supply Inc. 1.37% 747,903 $112.9M Reduce -0.6%
WSC Willscot Holdings Corp. 1.34% 2,938,837 $110.5M Reduce -4.7%
GSHD Goosehead Insurance Inc. Class A 1.28% 1,182,592 $105.6M Reduce -14.3%
KNSL Kinsale Capital Group Inc. 1.28% 226,614 $105.5M Add +3.0%
VRSK Verisk Analytics Inc. 1.21% 371,592 $99.6M Reduce -4.7%
RGEN Repligen Corp. 1.07% 590,321 $87.9M Add +31.0%
APPF Appfolio Inc. Class A 1.01% 351,691 $82.8M Add +10.1%
KMX Carmax Inc. 0.98% 1,039,035 $80.4M Reduce -26.7%
MPWR Monolithic Power Systems Inc. 0.94% 83,244 $77.0M Reduce -2.4%
TEAM Atlassian Corp. Class A 0.90% 466,557 $74.1M Add +20.5%
FND Floor & Decor Holdings Inc. Class A 0.89% 591,753 $73.5M Add +30.2%
MANH Manhattan Associates Inc. 0.82% 238,628 $67.1M Add +52.3%
WNS WNS Holdings Ltd. filed as WNS HLDGS LTD 0.79% 1,237,194 $65.2M Reduce -7.3%
INTU Intuit Inc. 0.78% 103,358 $64.2M Reduce -0.3%
TYL Tyler Technologies Inc. 0.74% 104,872 $61.2M Reduce -5.2%
HLNE Hamilton Lane Inc. Class A 0.69% 335,952 $56.6M Add +26.4%
QCOM Qualcomm Inc. 0.66% 318,266 $54.1M Reduce -1.9%
MEDP Medpace Holdings Inc. 0.65% 161,298 $53.8M Add +189.9%
CDNS Cadence Design SYS Inc. 0.65% 195,917 $53.1M New
ZTS Zoetis Inc. 0.64% 267,531 $52.3M Reduce -0.8%
AMT American Tower Corp. 0.63% 221,394 $51.5M Reduce -6.9%
ASML ASML Holding NV-NY Reg SHS 0.62% 61,175 $51.0M Add +3.9%
SHW The Sherwin-Williams Co. 0.59% 127,654 $48.7M Add +1.1%
ORLY O'reilly Automotive Inc. 0.51% 36,268 $41.8M Reduce -0.4%
MSCI MSCI Inc. 0.50% 69,860 $40.7M Add +49.7%
EXP Eagle Materials Inc. 0.47% 132,988 $38.3M Add +27.0%
MUSA Murphy USA Inc. 0.46% 77,087 $38.0M Add +8.4%
CNM Core & Main Inc. Class A 0.45% 837,693 $37.2M Add +26.9%
NOVT Novanta Inc. 0.45% 205,713 $36.8M Add +26.7%
EW Edwards Lifesciences Corp. 0.44% 543,873 $35.9M Reduce -16.7%
CRWD CrowdStrike Holdings Inc. Class A 0.39% 114,929 $32.2M Reduce -43.5%
CSW CSW Industrials Inc. 0.39% 87,574 $32.1M Add +10.9%
IEX Idex Corp. 0.39% 148,005 $31.7M New
MTD Mettler-Toledo International 0.38% 21,047 $31.6M Reduce -8.4%
PRM Perimeter Solutions SA 0.38% 2,341,963 $31.5M Add +27.4%
UBER Uber Technologies Inc. 0.38% 413,378 $31.1M Add +48.0%
DSGX The Descartes Systems Grp 0.35% 279,675 $28.8M Add +27.9%
MORN Morningstar Inc. 0.34% 88,378 $28.2M Add +61.3%
KAI Kadant Inc. 0.34% 83,163 $28.1M Add +64.1%
MCHP Microchip Technology Inc. 0.34% 345,550 $27.7M New
IDXX Idexx Laboratories Inc. 0.33% 54,213 $27.4M Reduce -2.5%
ROP Roper Technologies Inc. 0.33% 48,759 $27.1M Add +0.7%
CPRT Copart Inc. 0.33% 517,593 $27.1M New
EXPO Exponent Inc. 0.32% 225,394 $26.0M Add +26.8%
SPSC SPS Commerce Inc. 0.30% 126,891 $24.6M Add +65.3%
HQY Healthequity Inc. 0.30% 296,579 $24.3M Add +26.4%
LMAT Lemaitre Vascular Inc. 0.29% 258,767 $24.0M Add +26.3%
CRL Charles River Laboratories 0.29% 120,045 $23.6M Add +24.7%
PLOW Douglas Dynamics Inc. 0.29% 855,642 $23.6M Add +26.3%
PCOR Procore Technologies Inc. 0.28% 367,764 $22.7M Add +21.5%
NOW ServiceNow Inc. 0.28% 25,307 $22.6M Add +80.5%
ENTG Entegris Inc. 0.27% 196,616 $22.1M New
UTZ Utz Brands Inc. 0.26% 1,217,329 $21.5M Reduce -60.0%
PG The Procter & Gamble Co. 0.26% 122,344 $21.2M Reduce -5.7%
SSD Simpson Manufacturing Co. Inc. 0.25% 105,686 $20.2M Add +27.1%
AAPL Apple Inc. 0.24% 86,381 $20.1M Reduce -8.7%
DAVA Endava PLC- Spon ADR 0.24% 777,108 $19.8M Add +2.5%
ALRM Alarm.com Holdings Inc. 0.24% 359,399 $19.6M Add +23.3%
CWST Casella Waste Systems Inc. Class A 0.23% 193,263 $19.2M Add +27.2%
CNSWF Constellation Software Inc. 0.22% 5,645 $18.4M Reduce -0.9%
BFAM Bright Horizons Family Solut 0.21% 125,001 $17.5M Add +27.4%
WDFC WD-40 Co. 0.21% 66,993 $17.3M Add +27.3%
ILMN Illumina Inc. 0.19% 121,815 $15.9M Reduce -72.5%
TRUP Trupanion Inc. 0.19% 367,871 $15.4M Add +27.8%
EVTC Evertec Inc. 0.19% 455,454 $15.4M Add +27.5%
COST Costco Wholesale Corp. 0.18% 16,724 $14.8M Reduce -0.7%
BL Blackline Inc. 0.16% 242,977 $13.4M Reduce -17.5%
JBTM JBT Marel Corp. filed as JOHN BEAN TECHNOLOGIES CORP 0.15% 129,010 $12.7M Add +25.7%
HAYW Hayward Holdings Inc. 0.15% 790,680 $12.1M New
BRK.B Berkshire Hathaway Inc. Class B 0.14% 25,759 $11.9M Reduce -7.5%
WSO Watsco Inc. 0.11% 19,163 $9.4M Reduce -0.1%
BRK.A Berkshire Hathaway Inc. Class A 0.11% 13 $9.0M No change
JNJ Johnson & Johnson 0.11% 55,278 $9.0M Reduce -0.1%
TROW T Rowe Price Group Inc. filed as PRICE T ROWE GROUP INC 0.11% 80,120 $8.7M Reduce -2.3%

Show all 261 holdings

Portfolio Sells Q2 2024 → Q3 2024

CRWD CrowdStrike Holdings Inc. Class A Reduce -43.5% 0.39% −0.62
VLTO Veralto Corp. Reduce -27.0% 2.06% −0.50
ISRG Intuitive Surgical Inc. Reduce -17.0% 2.73% −0.44
GOOG Alphabet Inc. Class C Reduce -2.1% 2.29% −0.44
ILMN Illumina Inc. Reduce -72.5% 0.19% −0.41
MKL Markel Group Inc. Reduce -11.8% 1.87% −0.39
UTZ Utz Brands Inc. Reduce -60.0% 0.26% −0.39
KMX Carmax Inc. Reduce -26.7% 0.98% −0.37
WCN Waste Connections Inc. Reduce -7.6% 2.85% −0.36
EW Edwards Lifesciences Corp. Reduce -16.7% 0.44% −0.34
AMZN Amazon.com Inc. Reduce -2.0% 2.41% −0.30
ANSS Ansys Inc. Reduce -4.5% 2.42% −0.30
WK Workiva Inc. Reduce -81.7% 0.07% −0.29
ECL Ecolab Inc. Reduce -9.9% 2.83% −0.28
CBRE CBRE Group Inc. Class A Reduce -30.7% 2.22% −0.22
VMC Vulcan Materials Co. Reduce -0.8% 3.00% −0.19
CSGP Costar Group Inc. Reduce -5.8% 1.63% −0.18
QCOM Qualcomm Inc. Reduce -1.9% 0.66% −0.18
WSC Willscot Holdings Corp. Reduce -4.7% 1.34% −0.16
ATRI Atrion Corporation Sold out 0.00% −0.15
VRSK Verisk Analytics Inc. Reduce -4.7% 1.21% −0.15
WNS WNS Holdings Ltd. Reduce -7.3% 0.79% −0.11
HEI.A Heico Corp. Class A Reduce -10.3% 3.23% −0.10
INTU Intuit Inc. Reduce -0.3% 0.78% −0.10
V Visa Inc. Class A Reduce -1.8% 2.73% −0.09
MCO Moody's Corp. Reduce -7.4% 2.78% −0.05
MTD Mettler-Toledo International Reduce -8.4% 0.38% −0.03
ODFL Old Dominion Freight Line Reduce -6.7% 1.98% −0.03
TDG Transdigm Group Inc. Reduce -5.6% 3.12% −0.03
BL Blackline Inc. Reduce -17.5% 0.16% −0.02
PG The Procter & Gamble Co. Reduce -5.7% 0.26% −0.02
CYRX Cryoport Inc. Sold out 0.00% −0.02
IDXX Idexx Laboratories Inc. Reduce -2.5% 0.33% −0.02
TROW T Rowe Price Group Inc. Reduce -2.3% 0.11% −0.02
INTC Intel Corp. Reduce -17.6% 0.02% −0.02
AAPL Apple Inc. Reduce -8.7% 0.24% −0.01
GOOGL Alphabet Inc. Class A Reduce -2.5% 0.05% −0.01
KO The Coca-Cola Co. Reduce -31.5% 0.02% −0.01
SPT Sprout Social Inc. Class A Sold out 0.00% −0.01
CCOI Cogent Communications Holdin Sold out 0.00% −0.01
NSRGY Nestle SA-Spons ADR Reduce -66.9% 0.00% −0.01
WAB Wabtec Corp. Reduce -22.0% 0.04% −0.01
APH Amphenol Corp. Class A Reduce -17.0% 0.02% −0.01
LLY Eli Lilly & Co. Reduce -5.5% 0.04% −0.01
DIS The Walt Disney Co. Reduce -30.2% 0.01% −0.01
APD Air Products & Chemicals Inc. Sold out 0.00% −0.00
GRAL Grail Inc. Sold out 0.00% −0.00
COST Costco Wholesale Corp. Reduce -0.7% 0.18% −0.00
HON Honeywell International Inc. Reduce -24.3% 0.01% −0.00
IR Ingersoll-Rand Inc. Reduce -10.6% 0.04% −0.00

Portfolio Buys Q2 2024 → Q3 2024

CDNS Cadence Design SYS Inc. New 0.65% +0.65
IEX Idex Corp. New 0.39% +0.39
MEDP Medpace Holdings Inc. Add +189.9% 0.65% +0.36
MCHP Microchip Technology Inc. New 0.34% +0.34
RGEN Repligen Corp. Add +31.0% 1.07% +0.33
CPRT Copart Inc. New 0.33% +0.33
MANH Manhattan Associates Inc. Add +52.3% 0.82% +0.32
FND Floor & Decor Holdings Inc. Class A Add +30.2% 0.89% +0.31
ENTG Entegris Inc. New 0.27% +0.27
HLNE Hamilton Lane Inc. Class A Add +26.4% 0.69% +0.26
MSCI MSCI Inc. Add +49.7% 0.50% +0.20
PRM Perimeter Solutions SA Add +27.4% 0.38% +0.20
KNSL Kinsale Capital Group Inc. Add +3.0% 1.28% +0.19
WST West Pharmaceutical Services Add +33.0% 1.45% +0.18
EXP Eagle Materials Inc. Add +27.0% 0.47% +0.17
KAI Kadant Inc. Add +64.1% 0.34% +0.15
HAYW Hayward Holdings Inc. New 0.15% +0.15
MORN Morningstar Inc. Add +61.3% 0.34% +0.13
NOW ServiceNow Inc. Add +80.5% 0.28% +0.13
CSW CSW Industrials Inc. Add +10.9% 0.39% +0.12
UBER Uber Technologies Inc. Add +48.0% 0.38% +0.12
SPSC SPS Commerce Inc. Add +65.3% 0.30% +0.11
SHW The Sherwin-Williams Co. Add +1.1% 0.59% +0.11
NOVT Novanta Inc. Add +26.7% 0.45% +0.11
EXPO Exponent Inc. Add +26.8% 0.32% +0.10
PLOW Douglas Dynamics Inc. Add +26.3% 0.29% +0.08
TRUP Trupanion Inc. Add +27.8% 0.19% +0.08
DSGX The Descartes Systems Grp Add +27.9% 0.35% +0.08
LMAT Lemaitre Vascular Inc. Add +26.3% 0.29% +0.07
BFAM Bright Horizons Family Solut Add +27.4% 0.21% +0.07
AGYS Agilysys Inc. New 0.07% +0.07
MCEWEN MNG INC New 0.07% +0.07
SSD Simpson Manufacturing Co. Inc. Add +27.1% 0.25% +0.06
WDFC WD-40 Co. Add +27.3% 0.21% +0.06
CWST Casella Waste Systems Inc. Class A Add +27.2% 0.23% +0.04
CNM Core & Main Inc. Class A Add +26.9% 0.45% +0.03
EVTC Evertec Inc. Add +27.5% 0.19% +0.03
HQY Healthequity Inc. Add +26.4% 0.30% +0.03
MUSA Murphy USA Inc. Add +8.4% 0.46% +0.03
CRL Charles River Laboratories Add +24.7% 0.29% +0.03
JBTM JBT Marel Corp. Add +25.7% 0.15% +0.03
SIG Signet Jewelers Ltd. New 0.02% +0.02
PCOR Procore Technologies Inc. Add +21.5% 0.28% +0.02
RRC Range Resources Corp. Add +72.7% 0.05% +0.02
TEAM Atlassian Corp. Class A Add +20.5% 0.90% +0.02
STNG Scorpio Tankers Inc. New 0.01% +0.01
WPM Wheaton Precious Metals Corp. Add +44.9% 0.03% +0.01
FNV Franco-Nevada Corp. Add +42.1% 0.04% +0.01
EQT Eqt Corp. New 0.01% +0.01
WFC Wells Fargo & Co. New 0.01% +0.01

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