DF Dent & Co. Inc.
In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 15, 2024), DF Dent & Co. Inc. reported 265 stock positions worth $8.2 billion. Its top holding was Vulcan Materials (VMC) at 3.6% of the portfolio, followed by Transdigm (TDG, 3.5%) and Waste Connections (WCN, 3.2%). Compared with Q4 2023, it opened 24 new positions, sold out of 9, added to 83 and reduced 127. The biggest buy was West Pharmaceutical Services (WST, shares +235%) and the biggest sale Ansys (ANSS, shares −8%).
- Most Recent 13F
- Q2 2026
- Location
- BALTIMORE, MD
- CIK
- 0000934999
- Portfolio Value
- $8.2B (Q1 2024)
- SEC Filing
- 0000934999-24-000004 ↗ filed May 15, 2024
Holdings Value
Holdings 265 stocks · $8.2B
| VMC Vulcan Materials Co. | 3.55% | 1,065,826 | $290.9M | Reduce -4.7% |
| TDG Transdigm Group Inc. | 3.51% | 233,820 | $288.0M | Reduce -1.9% |
| WCN Waste Connections Inc. | 3.23% | 1,538,710 | $264.7M | Reduce -4.8% |
| ECL Ecolab Inc. | 3.14% | 1,112,852 | $257.0M | Reduce -2.6% |
| ISRG Intuitive Surgical Inc. | 2.99% | 613,399 | $244.8M | Reduce -1.9% |
| V Visa Inc. Class A | 2.94% | 862,606 | $240.7M | Reduce -0.8% |
| TECH Bio-Techne Corp. | 2.92% | 3,397,002 | $239.1M | Add +4.8% |
| ANSS Ansys Inc. | 2.88% | 680,704 | $236.3M | Reduce -8.0% |
| HEI.A Heico Corp. Class A | 2.76% | 1,470,021 | $226.3M | Add +4.3% |
| FAST Fastenal Co. | 2.67% | 2,835,552 | $218.7M | Reduce -18.0% |
| AMZN Amazon.com Inc. | 2.64% | 1,198,674 | $216.2M | Reduce -0.5% |
| CBRE CBRE Group Inc. Class A | 2.60% | 2,192,164 | $213.2M | Reduce -2.1% |
| MCO Moody's Corp. | 2.58% | 537,259 | $211.2M | Reduce -1.5% |
| MA Mastercard Inc. Class A | 2.57% | 436,906 | $210.4M | Add +1.4% |
| VEEV Veeva Systems Inc. Class A | 2.51% | 886,226 | $205.3M | Reduce -0.8% |
| VLTO Veralto Corp. | 2.42% | 2,232,073 | $197.9M | Add +15.4% |
| CSGP Costar Group Inc. | 2.30% | 1,947,602 | $188.1M | Reduce -1.5% |
| GOOG Alphabet Inc. Class C | 2.18% | 1,173,237 | $178.6M | Add +9.8% |
| GWRE Guidewire Software Inc. | 2.16% | 1,515,499 | $176.9M | Reduce -1.2% |
| MKL Markel Group Inc. | 2.15% | 115,881 | $176.3M | Add +3.6% |
| SPGI S&P Global Inc. | 2.08% | 399,828 | $170.1M | Reduce -0.9% |
| ODFL Old Dominion Freight Line | 2.06% | 768,464 | $168.5M | Reduce -1.5% |
| DHR Danaher Corp. | 1.89% | 620,422 | $154.9M | Add +0.5% |
| MSFT Microsoft Corp. | 1.84% | 358,395 | $150.8M | Add +0.3% |
| WSC Willscot Holdings Corp. | 1.81% | 3,182,100 | $148.0M | Reduce -12.0% |
| TMO Thermo Fisher Scientific Inc. | 1.66% | 233,761 | $135.9M | Reduce -0.5% |
| KMX Carmax Inc. | 1.63% | 1,532,216 | $133.5M | Reduce -3.1% |
| SITE Siteone Landscape Supply Inc. | 1.44% | 674,556 | $117.7M | Add +0.3% |
| KNSL Kinsale Capital Group Inc. | 1.36% | 211,910 | $111.2M | Reduce -9.5% |
| WST West Pharmaceutical Services | 1.26% | 259,934 | $102.9M | Add +235.4% |
| APPF Appfolio Inc. Class A | 1.16% | 385,912 | $95.2M | Add +9.0% |
| GSHD Goosehead Insurance Inc. Class A | 1.11% | 1,367,788 | $91.1M | Add +38.5% |
| SPT Sprout Social Inc. Class A | 1.04% | 1,426,347 | $85.2M | Reduce -0.8% |
| RGEN Repligen Corp. | 0.99% | 439,878 | $80.9M | Reduce -9.6% |
| CRWD CrowdStrike Holdings Inc. Class A | 0.96% | 246,289 | $79.0M | Reduce -17.1% |
| VRSK Verisk Analytics Inc. | 0.89% | 310,731 | $73.2M | Reduce -7.4% |
| FND Floor & Decor Holdings Inc. Class A | 0.86% | 542,563 | $70.3M | Reduce -2.4% |
| UTZ Utz Brands Inc. | 0.83% | 3,671,801 | $67.7M | Reduce -4.9% |
| WNS WNS Holdings Ltd. filed as WNS HLDGS LTD | 0.80% | 1,300,408 | $65.7M | Add +7.6% |
| EW Edwards Lifesciences Corp. | 0.79% | 677,314 | $64.7M | Add +0.6% |
| ILMN Illumina Inc. | 0.79% | 470,048 | $64.5M | Reduce -19.6% |
| INTU Intuit Inc. | 0.74% | 93,431 | $60.7M | Add +1.3% |
| MPWR Monolithic Power Systems Inc. | 0.73% | 87,745 | $59.4M | Add +0.0% |
| QCOM Qualcomm Inc. | 0.70% | 340,480 | $57.6M | Reduce -9.2% |
| WK Workiva Inc. | 0.68% | 656,094 | $55.6M | Add +32.8% |
| AMT American Tower Corp. | 0.63% | 260,397 | $51.5M | Reduce -9.3% |
| TEAM Atlassian Corp. Class A | 0.59% | 248,673 | $48.5M | Reduce -5.1% |
| SHW The Sherwin-Williams Co. | 0.56% | 132,253 | $45.9M | Add +0.3% |
| ORLY O'reilly Automotive Inc. | 0.51% | 36,727 | $41.5M | No change |
| ZTS Zoetis Inc. | 0.47% | 226,854 | $38.4M | Add +10.5% |
| BL Blackline Inc. | 0.44% | 557,674 | $36.0M | Reduce -21.0% |
| ASML ASML Holding NV-NY Reg SHS | 0.41% | 34,669 | $33.6M | Add +2808.5% |
| TYL Tyler Technologies Inc. | 0.40% | 77,370 | $32.9M | Reduce -1.6% |
| CNM Core & Main Inc. Class A | 0.40% | 568,103 | $32.5M | Reduce -0.9% |
| IDXX Idexx Laboratories Inc. | 0.37% | 56,281 | $30.4M | Reduce -2.3% |
| DAVA Endava PLC- Spon ADR | 0.34% | 731,870 | $27.8M | Reduce -7.7% |
| ROP Roper Technologies Inc. | 0.33% | 48,756 | $27.3M | Reduce -0.4% |
| HLNE Hamilton Lane Inc. Class A | 0.32% | 229,155 | $25.8M | Reduce -0.6% |
| MUSA Murphy USA Inc. | 0.31% | 61,177 | $25.6M | Reduce -0.2% |
| NOVT Novanta Inc. | 0.30% | 141,053 | $24.7M | Reduce -0.8% |
| EXP Eagle Materials Inc. | 0.30% | 90,358 | $24.6M | Reduce -0.2% |
| MTD Mettler-Toledo International | 0.29% | 17,774 | $23.7M | New |
| MEDP Medpace Holdings Inc. | 0.28% | 57,687 | $23.3M | Reduce -1.0% |
| PG The Procter & Gamble Co. | 0.26% | 129,597 | $21.0M | Add +0.8% |
| HQY Healthequity Inc. | 0.25% | 252,621 | $20.6M | Reduce -0.3% |
| ATRI Atrion Corporation | 0.24% | 42,944 | $19.9M | Add +5.6% |
| CRL Charles River Laboratories | 0.22% | 67,353 | $18.2M | Reduce -0.6% |
| MANH Manhattan Associates Inc. | 0.22% | 72,420 | $18.1M | Reduce -0.7% |
| PCOR Procore Technologies Inc. | 0.22% | 219,655 | $18.0M | Reduce -1.7% |
| CHWY Chewy Inc. Class A | 0.21% | 1,100,865 | $17.5M | Add +2.9% |
| AAPL Apple Inc. | 0.20% | 95,462 | $16.4M | Add +3.1% |
| CNSWF Constellation Software Inc. | 0.19% | 5,715 | $15.6M | Reduce -0.3% |
| SSD Simpson Manufacturing Co. Inc. | 0.18% | 71,766 | $14.7M | Reduce -0.7% |
| MORN Morningstar Inc. | 0.18% | 47,169 | $14.5M | Reduce -0.6% |
| KAI Kadant Inc. | 0.17% | 43,601 | $14.3M | Reduce -1.4% |
| ALRM Alarm.com Holdings Inc. | 0.17% | 193,199 | $14.0M | Add +0.6% |
| PLOW Douglas Dynamics Inc. | 0.17% | 565,374 | $13.6M | Reduce -1.0% |
| DSGX The Descartes Systems Grp | 0.16% | 147,151 | $13.5M | Reduce -1.0% |
| JBTM JBT Marel Corp. filed as JOHN BEAN TECHNOLOGIES CORP | 0.16% | 127,732 | $13.4M | Reduce -0.3% |
| COST Costco Wholesale Corp. | 0.16% | 17,746 | $13.0M | Add +5.2% |
| CWST Casella Waste Systems Inc. Class A | 0.16% | 131,184 | $13.0M | Add +57.7% |
| EXPO Exponent Inc. | 0.15% | 150,459 | $12.4M | Reduce -1.9% |
| EVTC Evertec Inc. | 0.15% | 309,601 | $12.4M | Reduce -0.7% |
| CSW CSW Industrials Inc. | 0.15% | 52,582 | $12.3M | New |
| LMAT Lemaitre Vascular Inc. | 0.14% | 177,722 | $11.8M | Reduce -0.5% |
| PRM Perimeter Solutions SA | 0.14% | 1,578,004 | $11.7M | Add +9.2% |
| BRK.B Berkshire Hathaway Inc. Class B | 0.14% | 27,650 | $11.6M | Add +0.2% |
| WDFC WD-40 Co. | 0.14% | 45,456 | $11.5M | Reduce -23.8% |
| TROW T Rowe Price Group Inc. filed as PRICE T ROWE GROUP INC | 0.12% | 83,631 | $10.2M | Reduce -6.0% |
| BFAM Bright Horizons Family Solut | 0.12% | 84,609 | $9.6M | Reduce -26.9% |
| JPM JPMorgan Chase & Co. | 0.11% | 46,951 | $9.4M | Add +82.8% |
| JNJ Johnson & Johnson | 0.11% | 56,668 | $9.0M | Reduce -4.1% |
| WSO Watsco Inc. | 0.10% | 19,645 | $8.5M | Reduce -0.3% |
| BRK.A Berkshire Hathaway Inc. Class A | 0.10% | 13 | $8.2M | Add +85.7% |
| SHOP Shopify Inc. Class A | 0.09% | 91,735 | $7.1M | Add +0.2% |
| TRUP Trupanion Inc. | 0.08% | 250,382 | $6.9M | Add +2.1% |
| VOO Vanguard S&P 500 ETF | 0.08% | 14,037 | $6.7M | Reduce -4.3% |
| MRK Merck & Co. Inc. | 0.07% | 46,513 | $6.1M | Add +21.9% |
| FISV Fiserv Inc. | 0.07% | 36,711 | $5.9M | Add +0.1% |
| SBAC SBA Communications Corp. | 0.07% | 26,929 | $5.8M | Reduce -79.1% |
Portfolio Sells Q4 2023 → Q1 2024
| ANSS Ansys Inc. | Reduce -8.0% | 2.88% | −0.68 |
| DAVA Endava PLC- Spon ADR | Reduce -7.7% | 0.34% | −0.48 |
| SBAC SBA Communications Corp. | Reduce -79.1% | 0.07% | −0.36 |
| WSC Willscot Holdings Corp. | Reduce -12.0% | 1.81% | −0.33 |
| FAST Fastenal Co. | Reduce -18.0% | 2.67% | −0.30 |
| ILMN Illumina Inc. | Reduce -19.6% | 0.79% | −0.29 |
| SPGI S&P Global Inc. | Reduce -0.9% | 2.08% | −0.28 |
| MCO Moody's Corp. | Reduce -1.5% | 2.58% | −0.25 |
| TEAM Atlassian Corp. Class A | Reduce -5.1% | 0.59% | −0.23 |
| AMT American Tower Corp. | Reduce -9.3% | 0.63% | −0.19 |
| RGEN Repligen Corp. | Reduce -9.6% | 0.99% | −0.17 |
| VRSK Verisk Analytics Inc. | Reduce -7.4% | 0.89% | −0.17 |
| CBRE CBRE Group Inc. Class A | Reduce -2.1% | 2.60% | −0.16 |
| BL Blackline Inc. | Reduce -21.0% | 0.44% | −0.14 |
| SPT Sprout Social Inc. Class A | Reduce -0.8% | 1.04% | −0.13 |
| V Visa Inc. Class A | Reduce -0.8% | 2.94% | −0.06 |
| PLOW Douglas Dynamics Inc. | Reduce -1.0% | 0.17% | −0.06 |
| GWRE Guidewire Software Inc. | Reduce -1.2% | 2.16% | −0.06 |
| IDXX Idexx Laboratories Inc. | Reduce -2.3% | 0.37% | −0.05 |
| WDFC WD-40 Co. | Reduce -23.8% | 0.14% | −0.05 |
| CRWD CrowdStrike Holdings Inc. Class A | Reduce -17.1% | 0.96% | −0.04 |
| ODFL Old Dominion Freight Line | Reduce -1.5% | 2.06% | −0.04 |
| TYL Tyler Technologies Inc. | Reduce -1.6% | 0.40% | −0.03 |
| HAL Halliburton Co. | Sold out | 0.00% | −0.03 |
| HLNE Hamilton Lane Inc. Class A | Reduce -0.6% | 0.32% | −0.03 |
| BFAM Bright Horizons Family Solut | Reduce -26.9% | 0.12% | −0.03 |
| EXPO Exponent Inc. | Reduce -1.9% | 0.15% | −0.03 |
| ROP Roper Technologies Inc. | Reduce -0.4% | 0.33% | −0.02 |
| EVTC Evertec Inc. | Reduce -0.7% | 0.15% | −0.02 |
| SLB SLB Ltd. | Sold out | 0.00% | −0.02 |
| CCI Crown Castle Inc. | Reduce -12.7% | 0.05% | −0.02 |
| NOVT Novanta Inc. | Reduce -0.8% | 0.30% | −0.02 |
| KIDS Orthopediatrics Corp. | Reduce -58.7% | 0.01% | −0.02 |
| QCOM Qualcomm Inc. | Reduce -9.2% | 0.70% | −0.01 |
| JNJ Johnson & Johnson | Reduce -4.1% | 0.11% | −0.01 |
| DG Dollar General Corp. | Sold out | 0.00% | −0.01 |
| SSD Simpson Manufacturing Co. Inc. | Reduce -0.7% | 0.18% | −0.01 |
| CSCO Cisco Systems Inc. | Reduce -14.1% | 0.03% | −0.01 |
| IWP iShares Russell Mid-Cap Grow | Sold out | 0.00% | −0.01 |
| WSO Watsco Inc. | Reduce -0.3% | 0.10% | −0.01 |
| IWO iShares Russell 2000 Growth | Sold out | 0.00% | −0.01 |
| PAYX Paychex Inc. | Reduce -7.7% | 0.05% | −0.01 |
| CMCSA Comcast Corp. Class A | Reduce -9.8% | 0.03% | −0.01 |
| JBTM JBT Marel Corp. | Reduce -0.3% | 0.16% | −0.01 |
| UTZ Utz Brands Inc. | Reduce -4.9% | 0.83% | −0.00 |
| CCOI Cogent Communications Holdin | Reduce -12.7% | 0.01% | −0.00 |
| CABO Cable One Inc. | Reduce -18.4% | 0.01% | −0.00 |
| APD Air Products & Chemicals Inc. | Reduce -34.0% | 0.00% | −0.00 |
| KEYS Keysight Technologies Inc. | Reduce -9.7% | 0.02% | −0.00 |
| PFE Pfizer Inc. | Reduce -8.2% | 0.01% | −0.00 |
Portfolio Buys Q4 2023 → Q1 2024
| WST West Pharmaceutical Services | Add +235.4% | 1.26% | +0.89 |
| ASML ASML Holding NV-NY Reg SHS | Add +2808.5% | 0.41% | +0.40 |
| APPF Appfolio Inc. Class A | Add +9.0% | 1.16% | +0.35 |
| VLTO Veralto Corp. | Add +15.4% | 2.42% | +0.31 |
| MTD Mettler-Toledo International | New | 0.29% | +0.29 |
| GOOG Alphabet Inc. Class C | Add +9.8% | 2.18% | +0.18 |
| CSW CSW Industrials Inc. | New | 0.15% | +0.15 |
| MA Mastercard Inc. Class A | Add +1.4% | 2.57% | +0.13 |
| GSHD Goosehead Insurance Inc. Class A | Add +38.5% | 1.11% | +0.12 |
| EW Edwards Lifesciences Corp. | Add +0.6% | 0.79% | +0.11 |
| HEI.A Heico Corp. Class A | Add +4.3% | 2.76% | +0.10 |
| MCEWEN MNG INC | New | 0.07% | +0.07 |
| CWST Casella Waste Systems Inc. Class A | Add +57.7% | 0.16% | +0.06 |
| MSFT Microsoft Corp. | Add +0.3% | 1.84% | +0.06 |
| JPM JPMorgan Chase & Co. | Add +82.8% | 0.11% | +0.06 |
| PRM Perimeter Solutions SA | Add +9.2% | 0.14% | +0.05 |
| BRK.A Berkshire Hathaway Inc. Class A | Add +85.7% | 0.10% | +0.05 |
| MKL Markel Group Inc. | Add +3.6% | 2.15% | +0.05 |
| ATRI Atrion Corporation | Add +5.6% | 0.24% | +0.04 |
| OIH Vaneck Oil Services ETF | New | 0.02% | +0.02 |
| MRK Merck & Co. Inc. | Add +21.9% | 0.07% | +0.02 |
| RRC Range Resources Corp. | Add +52.4% | 0.05% | +0.02 |
| SIG Signet Jewelers Ltd. | New | 0.02% | +0.02 |
| SHW The Sherwin-Williams Co. | Add +0.3% | 0.56% | +0.02 |
| NSC Norfolk Southern Corp. | Add +199.1% | 0.02% | +0.02 |
| FNV Franco-Nevada Corp. | Add +79.4% | 0.03% | +0.01 |
| WK Workiva Inc. | Add +32.8% | 0.68% | +0.01 |
| STNG Scorpio Tankers Inc. | New | 0.01% | +0.01 |
| GOOGL Alphabet Inc. Class A | Add +37.9% | 0.04% | +0.01 |
| BRK.B Berkshire Hathaway Inc. Class B | Add +0.2% | 0.14% | +0.01 |
| BX Blackstone Inc. | New | 0.01% | +0.01 |
| COST Costco Wholesale Corp. | Add +5.2% | 0.16% | +0.01 |
| EQT Eqt Corp. | New | 0.01% | +0.01 |
| DIS The Walt Disney Co. | Add +80.7% | 0.02% | +0.01 |
| CCJ Cameco Corp. | Add +31.5% | 0.05% | +0.01 |
| FISV Fiserv Inc. | Add +0.1% | 0.07% | +0.01 |
| PG The Procter & Gamble Co. | Add +0.8% | 0.26% | +0.01 |
| ALRM Alarm.com Holdings Inc. | Add +0.6% | 0.17% | +0.01 |
| TJX TJX Companies Inc. | Add +218.1% | 0.01% | +0.01 |
| WPM Wheaton Precious Metals Corp. | Add +44.9% | 0.03% | +0.01 |
| WFC Wells Fargo & Co. | Add +116.5% | 0.01% | +0.01 |
| ABBV Abbvie Inc. | Add +1.0% | 0.06% | +0.01 |
| CTRA Coterra Energy Inc. | Add +21.8% | 0.03% | +0.01 |
| COP Conocophillips | Add +88.3% | 0.01% | +0.00 |
| SWN Southwestern Energy Co. | New | 0.00% | +0.00 |
| ADI Analog Devices Inc. | Add +36.0% | 0.02% | +0.00 |
| BKNG Booking Holdings Inc. | New | 0.00% | +0.00 |
| NTR Nutrien Ltd. | New | 0.00% | +0.00 |
| HL Hecla Mining Co. | New | 0.00% | +0.00 |
| CYRX Cryoport Inc. | Add +5.4% | 0.04% | +0.00 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 271 | $5.3B | GOOG, V, HEI.A, AMZN, TDG |
| Q1 2026 | 262 | $5.2B | GOOG, V, AMZN, HEI.A, VMC |
| Q4 2025 | 263 | $6.9B | GOOG, HEI.A, V, VMC, AMZN |
| Q3 2025 | 272 | $7.7B | HEI.A, VMC, V, GOOG, TDG |
| Q2 2025 | 251 | $7.9B | HEI.A, V, TDG, VMC, WCN |
| Q1 2025 | 260 | $7.5B | V, HEI.A, WCN, TDG, VMC |
| Q4 2024 | 248 | $7.9B | V, VMC, AMZN, TECH, HEI.A |
| Q3 2024 | 261 | $8.2B | HEI.A, TECH, TDG, VMC, WCN |
| Q2 2024 | 244 | $7.7B | HEI.A, WCN, VMC, ISRG, TDG |
| Q1 2024 | 265 | $8.2B | VMC, TDG, WCN, ECL, ISRG |