# DF DENT & CO INC

> Institutional holdings reported to the SEC as of Q2 2026 on Form 13F. CIK 934999. Source: https://holderbook.com/funds/934999-df-dent-co-inc/

- Reported value: $5.3B
- Positions: 271
- Weight of the ten largest: 29.9%
- Filed: 2026-08-14

A 13F reports long US equity positions only. Short positions, bonds, foreign listings, private holdings and cash are not visible, so this is not the manager's whole book.

## Holdings

| Security | Ticker | Value | Shares | Weight | Quarters held |
|---|---|---|---|---|---|
| ALPHABET INC | [GOOG](https://holderbook.com/stocks/GOOG/) | $240.1M | 679,481 | 4.6% | 31 |
| VISA INC | [V](https://holderbook.com/stocks/V/) | $190.1M | 554,092 | 3.6% | 31 |
| HEICO CORP NEW | [HEIA](https://holderbook.com/stocks/HEIA/) | $180.3M | 699,176 | 3.4% | 31 |
| AMAZON COM INC | [AMZN](https://holderbook.com/stocks/AMZN/) | $165.1M | 692,739 | 3.1% | 31 |
| TRANSDIGM GROUP INC | [TDG](https://holderbook.com/stocks/TDG/) | $149.1M | 111,941 | 2.8% | 31 |
| VULCAN MATLS CO | [VMC](https://holderbook.com/stocks/VMC/) | $144.6M | 490,212 | 2.7% | 30 |
| ECOLAB INC | [ECL](https://holderbook.com/stocks/ECL/) | $130.3M | 467,771 | 2.5% | 31 |
| WASTE CONNECTIONS INC | [WCN](https://holderbook.com/stocks/WCN/) | $128.3M | 769,572 | 2.4% | 31 |
| MASTERCARD INCORPORATED | [MA](https://holderbook.com/stocks/MA/) | $126.6M | 246,504 | 2.4% | 31 |
| FASTENAL CO | [FAST](https://holderbook.com/stocks/FAST/) | $123.8M | 2,577,410 | 2.3% | 31 |
| MOODYS CORP | [MCO](https://holderbook.com/stocks/MCO/) | $122.0M | 269,427 | 2.3% | 31 |
| PERIMETER SOLUTIONS INC | [PRM](https://holderbook.com/stocks/PRM/) | $118.5M | 3,322,708 | 2.2% | 7 |
| ASML HLDG NV | [ASML](https://holderbook.com/stocks/ASML/) | $103.1M | 51,824 | 2.0% | 16 |
| MONOLITHIC PWR SYS INC | [MPWR](https://holderbook.com/stocks/MPWR/) | $100.8M | 72,954 | 1.9% | 16 |
| INTUITIVE SURGICAL INC | [ISRG](https://holderbook.com/stocks/ISRG/) | $99.6M | 250,449 | 1.9% | 31 |
| CADENCE DESIGN SYSTEM INC | [CDNS](https://holderbook.com/stocks/CDNS/) | $97.3M | 259,282 | 1.8% | 8 |
| MICROSOFT CORP | [MSFT](https://holderbook.com/stocks/MSFT/) | $97.2M | 260,499 | 1.8% | 31 |
| GUIDEWIRE SOFTWARE INC | [GWRE](https://holderbook.com/stocks/GWRE/) | $89.4M | 726,645 | 1.7% | 31 |
| CBRE GROUP INC | [CBRE](https://holderbook.com/stocks/CBRE/) | $80.2M | 595,199 | 1.5% | 31 |
| BIO-TECHNE CORP | [TECH](https://holderbook.com/stocks/TECH/) | $72.8M | 1,029,772 | 1.4% | 31 |
| DANAHER CORP DEL | [DHR](https://holderbook.com/stocks/DHR/) | $70.3M | 368,898 | 1.3% | 31 |
| BROADCOM INC | [AVGO](https://holderbook.com/stocks/AVGO/) | $64.9M | 171,833 | 1.2% | 5 |
| MOTOROLA SOLUTIONS INC | [MSI](https://holderbook.com/stocks/MSI/) | $64.8M | 156,051 | 1.2% | 6 |
| DATADOG INC | [DDOG](https://holderbook.com/stocks/DDOG/) | $62.3M | 239,350 | 1.2% | 1 |
| VEEVA SYS INC | [VEEV](https://holderbook.com/stocks/VEEV/) | $59.3M | 334,373 | 1.1% | 27 |
| MSCI INC | [MSCI](https://holderbook.com/stocks/MSCI/) | $58.1M | 103,680 | 1.1% | 13 |
| APPLE INC | [AAPL](https://holderbook.com/stocks/AAPL/) | $57.2M | 197,541 | 1.1% | 31 |
| NOVANTA INC | [NOVT](https://holderbook.com/stocks/NOVT/) | $53.9M | 332,049 | 1.0% | 31 |
| KINSALE CAP GROUP INC | [KNSL](https://holderbook.com/stocks/KNSL/) | $53.0M | 160,589 | 1.0% | 20 |
| APPFOLIO INC | [APPF](https://holderbook.com/stocks/APPF/) | $51.1M | 318,951 | 1.0% | 15 |
| MEDPACE HLDGS INC | [MEDP](https://holderbook.com/stocks/MEDP/) | $51.1M | 96,455 | 1.0% | 22 |
| TAIWAN SEMICONDUCTOR MANUFAC | [TSM](https://holderbook.com/stocks/TSM/) | $50.8M | 106,282 | 1.0% | 4 |
| REPLIGEN CORP | [RGEN](https://holderbook.com/stocks/RGEN/) | $48.7M | 356,854 | 0.9% | 26 |
| MARKEL GROUP INC | [MKL](https://holderbook.com/stocks/MKL/) | $46.9M | 24,038 | 0.9% | 31 |
| LANDBRIDGE COMPANY LLC | [LB](https://holderbook.com/stocks/LB/) | $45.0M | 567,536 | 0.9% | 3 |
| FLOOR & DECOR HLDGS INC | [FND](https://holderbook.com/stocks/FND/) | $44.5M | 750,501 | 0.8% | 27 |
| CASELLA WASTE SYS INC | [CWST](https://holderbook.com/stocks/CWST/) | $43.3M | 446,270 | 0.8% | 11 |
| OREILLY AUTOMOTIVE INC | [ORLY](https://holderbook.com/stocks/ORLY/) | $43.1M | 467,562 | 0.8% | 31 |
| S&P GLOBAL INC | [SPGI](https://holderbook.com/stocks/SPGI/) | $39.9M | 98,000 | 0.8% | 31 |
| AMPHENOL CORP | [APH](https://holderbook.com/stocks/APH/) | $39.9M | 226,067 | 0.8% | 24 |
| UBER TECHNOLOGIES INC | [UBER](https://holderbook.com/stocks/UBER/) | $39.3M | 545,122 | 0.7% | 9 |
| STRYKER CORPORATION | [SYK](https://holderbook.com/stocks/SYK/) | $38.4M | 121,896 | 0.7% | 23 |
| HAYWARD HLDGS INC | [HAYW](https://holderbook.com/stocks/HAYW/) | $38.0M | 2,192,729 | 0.7% | 8 |
| GOOSEHEAD INS INC | [GSHD](https://holderbook.com/stocks/GSHD/) | $37.6M | 775,412 | 0.7% | 18 |
| HAMILTON LANE INC | [HLNE](https://holderbook.com/stocks/HLNE/) | $37.5M | 476,169 | 0.7% | 31 |
| COSTAR GROUP INC | [CSGP](https://holderbook.com/stocks/CSGP/) | $37.4M | 1,319,009 | 0.7% | 31 |
| CROWDSTRIKE HLDGS INC | [CRWD](https://holderbook.com/stocks/CRWD/) | $37.1M | 48,630 | 0.7% | 24 |
| VERALTO CORP | [VLTO](https://holderbook.com/stocks/VLTO/) | $37.1M | 417,939 | 0.7% | 11 |
| RBC BEARINGS INC | [RBC](https://holderbook.com/stocks/RBC/) | $36.2M | 56,282 | 0.7% | 7 |
| ONTO INNOVATION INC | [ONTO](https://holderbook.com/stocks/ONTO/) | $35.5M | 93,905 | 0.7% | 4 |
| NETFLIX INC | [NFLX](https://holderbook.com/stocks/NFLX/) | $34.6M | 484,617 | 0.7% | 3 |
| QUALCOMM INC | [QCOM](https://holderbook.com/stocks/QCOM/) | $33.9M | 183,258 | 0.6% | 31 |
| MEDLINE INC | [MDLN](https://holderbook.com/stocks/MDLN/) | $31.6M | 801,249 | 0.6% | 1 |
| APPLIED INDL TECHNOLOGIES IN | [AIT](https://holderbook.com/stocks/AIT/) | $30.8M | 90,968 | 0.6% | 7 |
| META PLATFORMS INC | [META](https://holderbook.com/stocks/META/) | $29.3M | 51,944 | 0.6% | 14 |
| FEDERAL SIGNAL CORP | [FSS](https://holderbook.com/stocks/FSS/) | $27.5M | 213,990 | 0.5% | 7 |
| METTLER TOLEDO INTERNATIONAL | [MTD](https://holderbook.com/stocks/MTD/) | $27.2M | 21,280 | 0.5% | 10 |
| CSW INDUSTRIALS INC | [CSW](https://holderbook.com/stocks/CSW/) | $27.0M | 97,020 | 0.5% | 10 |
| PROCORE TECHNOLOGIES INC | [PCOR](https://holderbook.com/stocks/PCOR/) | $26.4M | 650,221 | 0.5% | 21 |
| MANHATTAN ASSOCIATES INC | [MANH](https://holderbook.com/stocks/MANH/) | $26.3M | 188,634 | 0.5% | 17 |
| COPART INC | [CPRT](https://holderbook.com/stocks/CPRT/) | $25.4M | 902,063 | 0.5% | 8 |
| SITEONE LANDSCAPE SUPPLY INC | [SITE](https://holderbook.com/stocks/SITE/) | $25.2M | 219,910 | 0.5% | 31 |
| PDF SOLUTIONS INC | [PDFS](https://holderbook.com/stocks/PDFS/) | $25.1M | 354,951 | 0.5% | 2 |
| ENTEGRIS INC | [ENTG](https://holderbook.com/stocks/ENTG/) | $25.0M | 139,125 | 0.5% | 8 |
| JOHNSON & JOHNSON | [JNJ](https://holderbook.com/stocks/JNJ/) | $23.4M | 92,077 | 0.4% | 31 |
| CORE & MAIN INC | [CNM](https://holderbook.com/stocks/CNM/) | $23.1M | 479,476 | 0.4% | 12 |
| THERMO FISHER SCIENTIFIC INC | [TMO](https://holderbook.com/stocks/TMO/) | $22.7M | 45,263 | 0.4% | 31 |
| HEALTHEQUITY INC | [HQY](https://holderbook.com/stocks/HQY/) | $22.3M | 247,132 | 0.4% | 25 |
| ESCO TECHNOLOGIES INC | [ESE](https://holderbook.com/stocks/ESE/) | $22.1M | 63,005 | 0.4% | 5 |
| BADGER METER INC | [BMI](https://holderbook.com/stocks/BMI/) | $21.4M | 143,925 | 0.4% | 4 |
| INSULET CORP | [PODD](https://holderbook.com/stocks/PODD/) | $21.0M | 138,249 | 0.4% | 1 |
| IDEXX LABS INC | [IDXX](https://holderbook.com/stocks/IDXX/) | $20.8M | 39,515 | 0.4% | 31 |
| TYLER TECHNOLOGIES INC | [TYL](https://holderbook.com/stocks/TYL/) | $20.7M | 70,804 | 0.4% | 31 |
| WARBY PARKER INC | [WRBY](https://holderbook.com/stocks/WRBY/) | $20.5M | 676,256 | 0.4% | 2 |
| AGILYSYS INC | [AGYS](https://holderbook.com/stocks/AGYS/) | $20.3M | 194,256 | 0.4% | 8 |
| SAIA INC | [SAIA](https://holderbook.com/stocks/SAIA/) | $19.0M | 45,102 | 0.4% | 2 |
| SHERWIN WILLIAMS CO | [SHW](https://holderbook.com/stocks/SHW/) | $18.0M | 52,171 | 0.3% | 13 |
| PROCTER & GAMBLE CO | [PG](https://holderbook.com/stocks/PG/) | $17.9M | 121,751 | 0.3% | 31 |
| VSE CORP | [VSEC](https://holderbook.com/stocks/VSEC/) | $17.7M | 77,573 | 0.3% | 2 |
| MORNINGSTAR INC | [MORN](https://holderbook.com/stocks/MORN/) | $16.6M | 106,374 | 0.3% | 12 |
| PTC INC | [PTC](https://holderbook.com/stocks/PTC/) | $16.5M | 145,019 | 0.3% | 6 |
| LEMAITRE VASCULAR INC | [LMAT](https://holderbook.com/stocks/LMAT/) | $16.0M | 167,053 | 0.3% | 31 |
| KADANT INC | [KAI](https://holderbook.com/stocks/KAI/) | $14.6M | 46,558 | 0.3% | 16 |
| VERISK ANALYTICS INC | [VRSK](https://holderbook.com/stocks/VRSK/) | $14.6M | 81,399 | 0.3% | 31 |
| WINGSTOP INC | [WING](https://holderbook.com/stocks/WING/) | $14.6M | 83,931 | 0.3% | 2 |
| SIMPSON MFG INC | [SSD](https://holderbook.com/stocks/SSD/) | $14.5M | 69,301 | 0.3% | 22 |
| MERCURY SYS INC | [MRCY](https://holderbook.com/stocks/MRCY/) | $13.9M | 113,611 | 0.3% | 1 |
| SERVICENOW INC | [NOW](https://holderbook.com/stocks/NOW/) | $13.9M | 139,821 | 0.3% | 9 |
| BROWN & BROWN INC | [BRO](https://holderbook.com/stocks/BRO/) | $13.8M | 214,820 | 0.3% | 4 |
| RAMBUS INC DEL | [RMBS](https://holderbook.com/stocks/RMBS/) | $13.6M | 102,771 | 0.3% | 2 |
| COSTCO WHOLESALE CORPORATION | [COST](https://holderbook.com/stocks/COST/) | $13.3M | 14,239 | 0.3% | 26 |
| DOUGLAS DYNAMICS INC | [PLOW](https://holderbook.com/stocks/PLOW/) | $13.3M | 246,319 | 0.3% | 31 |
| DESCARTES SYS GROUP INC | [DSGX](https://holderbook.com/stocks/DSGX/) | $13.1M | 188,682 | 0.2% | 31 |
| ALPHABET INC | [GOOGL](https://holderbook.com/stocks/GOOGL/) | $12.9M | 36,036 | 0.2% | 31 |
| MICROCHIP TECHNOLOGY INC. | [MCHP](https://holderbook.com/stocks/MCHP/) | $12.6M | 138,033 | 0.2% | 8 |
| SHOPIFY INC | [SHOP](https://holderbook.com/stocks/SHOP/) | $12.6M | 110,176 | 0.2% | 18 |
| BOOZ ALLEN HAMILTON HLDG COR | [BAH](https://holderbook.com/stocks/BAH/) | $12.3M | 203,498 | 0.2% | 13 |
| ROPER TECHNOLOGIES INC | [ROP](https://holderbook.com/stocks/ROP/) | $11.8M | 34,844 | 0.2% | 31 |
| AMERICAN TOWER CORP | [AMT](https://holderbook.com/stocks/AMT/) | $10.9M | 66,426 | 0.2% | 31 |
| ENSIGN GROUP INC | [ENSG](https://holderbook.com/stocks/ENSG/) | $10.1M | 62,866 | 0.2% | 4 |

## What the disclosed book did

Not the fund's return. This is the change in value of the positions disclosed on Form 13F, had they been left untouched, against SPY over the same quarter ends.

| Quarter | Book | Market | Difference | Priced |
|---|---|---|---|---|
| Q2 2026 | +9.8% | +14.8% | -5.1% | 100% |
| Q1 2026 | -11.1% | -4.6% | -6.5% | 100% |
| Q4 2025 | -1.1% | +2.4% | -3.5% | 100% |
| Q3 2025 | +1.8% | +7.8% | -6.0% | 100% |
| Q2 2025 | +6.5% | +10.5% | -3.9% | 100% |
| Q1 2025 | -2.1% | -4.6% | +2.4% | 100% |
| Q4 2024 | -1.3% | +2.1% | -3.4% | 100% |
| Q3 2024 | +8.5% | +5.4% | +3.1% | 100% |

## Quarter by quarter

| Quarter | Value | Positions |
|---|---|---|
| Q2 2026 | $5.3B | 271 |
| Q1 2026 | $5.2B | 262 |
| Q4 2025 | $6.9B | 263 |
| Q3 2025 | $7.7B | 272 |
| Q2 2025 | $7.9B | 251 |
| Q1 2025 | $7.5B | 260 |
| Q4 2024 | $7.9B | 248 |
| Q3 2024 | $8.2B | 261 |
| Q2 2024 | $7.7B | 244 |
| Q1 2024 | $8.2B | 265 |
| Q4 2023 | $7.5B | 250 |
| Q3 2023 | $6.8B | 255 |