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DF DENT & CO INC
Period ended Jun 30, 2026 · Latest filing Aug 14, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Jun 30, 2026: $5,271,504,691
More quarters will appear as history becomes available.
Top holdings
Top 10 at Jun 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- ALPHABET INC CL C · COM · 02079k107 · shares: $240,080,854
- VISA INC CL A · COM · 92826c839 · shares: $190,103,271
- HEICO CORP CL A · COM · 422806208 · shares: $180,324,569
- AMAZON.COM INC · COM · 023135106 · shares: $165,107,413
- TRANSDIGM GROUP INC · COM · 893641100 · shares: $149,110,271
- VULCAN MATERIALS CO · COM · 929160109 · shares: $144,617,574
- ECOLAB INC · COM · 278865100 · shares: $130,325,570
- WASTE CONNECTIONS INC · COM · 94106b101 · shares: $128,280,039
- MASTERCARD INC CL A · COM · 57636q104 · shares: $126,604,468
- FASTENAL CO · COM · 311900104 · shares: $123,792,998
Reported holdings
271 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| J P MORGAN CHASE & CO | COM | 46625h100 | — | 30,347 shares | $9,933,484 |
| BERKSHIRE HATHAWAY INC CL B | COM | 084670702 | — | 19,710 shares | $9,862,687 |
| VANGUARD S&P 500 ETF | ETFS | 922908363 | — | 14,316 shares | $9,832,372 |
| WATSCO INC | COM | 942622200 | — | 22,864 shares | $9,527,951 |
| ABBOTT LABORATORIES | COM | 002824100 | — | 103,114 shares | $9,356,564 |
| BERKSHIRE HATHAWAY INC DELAWA | COM | 084670108 | — | 12 shares | $8,986,200 |
| ATLASSIAN CORPORATION CL A | COM | 049468101 | — | 113,108 shares | $8,798,648 |
| ALARM.COM | COM | 011642105 | — | 187,384 shares | $8,754,575 |
| MP MATERIALS CORP COM CL A | COM | 553368101 | — | 153,920 shares | $8,621,046 |
| EAGLE MATERIALS INC | COM | 26969p108 | — | 37,947 shares | $8,538,091 |
| MERCK & CO. INC. | COM | 58933y105 | — | 62,478 shares | $8,028,423 |
| PRIMORIS SVCS CORP | COM | 74164f103 | — | 79,544 shares | $7,884,428 |
| ABBVIE INC SHS | COM | 00287y109 | — | 26,542 shares | $6,679,029 |
| EXPONENT INC | COM | 30214u102 | — | 111,379 shares | $6,544,629 |
| CAPITAL ONE FINL CORP COM | COM | 14040h105 | — | 32,315 shares | $6,483,036 |
| T ROWE PRICE GROUP INC | COM | 74144t108 | — | 55,390 shares | $6,297,289 |
| MURPHY USA INC COM | COM | 626755102 | — | 11,416 shares | $6,151,638 |
| CISCO SYSTEMS INC | COM | 17275r102 | — | 50,100 shares | $5,884,746 |
| VANGUARD FTSE ALL WORLD EX US | ETFS | 922042775 | — | 59,879 shares | $5,014,862 |
| BANK AMER CORP COM | COM | 060505104 | — | 82,613 shares | $4,707,289 |
| MARKETAXESS HLDGS INC COM | COM | 57060d108 | — | 39,303 shares | $4,460,452 |
| LOWE'S COMPANIES INC | COM | 548661107 | — | 17,891 shares | $3,944,787 |
| AUTOMATIC DATA PROCESSING INC. | COM | 053015103 | — | 15,168 shares | $3,396,874 |
| INTEL CORP | COM | 458140100 | — | 23,837 shares | $3,328,360 |
| GRAINGER W W INC COM | COM | 384802104 | — | 2,340 shares | $3,183,336 |
| HOME DEPOT INC | COM | 437076102 | — | 8,798 shares | $3,102,879 |
| CAMECO CORP | COM | 13321l108 | — | 27,601 shares | $2,811,438 |
| PAYCHEX INC | COM | 704326107 | — | 27,619 shares | $2,715,776 |
| ISHARES MSCI EAFE ETF | ETFS | 464287465 | — | 25,757 shares | $2,675,637 |
| EQT CORP | COM | 26884l109 | — | 44,970 shares | $2,391,055 |
| UNITED PARCEL SRVC CLASS B | COM | 911312106 | — | 19,860 shares | $2,134,950 |
| RANGE RESOURCES CORP DEL | COM | 75281a109 | — | 53,260 shares | $1,980,739 |
| LILLY ELI & CO | COM | 532457108 | — | 1,631 shares | $1,956,270 |
| ANALOG DEVICES INC | COM | 032654105 | — | 4,843 shares | $1,923,494 |
| WABTEC | COM | 929740108 | — | 7,013 shares | $1,890,705 |
| COCA COLA COM | COM | 191216100 | — | 22,847 shares | $1,856,776 |
| KLA CORPORATION | COM | 482480100 | — | 6,060 shares | $1,828,363 |
| CROWN CASTLE INC | COM | 22822v101 | — | 24,061 shares | $1,822,140 |
| FRANCO-NEVADA CORPORATION | COM | 351858105 | — | 8,525 shares | $1,776,951 |
| AMERICAN EXPRESS CO | COM | 025816109 | — | 5,253 shares | $1,776,827 |
| CANADIAN NATL RAILWY F | COM | 136375102 | — | 14,900 shares | $1,776,676 |
| PEPSICO INC | COM | 713448108 | — | 12,799 shares | $1,732,985 |
| EXXON MOBIL CORP | COM | 30231g102 | — | 12,330 shares | $1,685,758 |
| ILLINOIS TOOL WORKS | COM | 452308109 | — | 6,222 shares | $1,682,864 |
| EDWARDS LIFESCIENCES | COM | 28176e108 | — | 18,593 shares | $1,681,923 |
| WEST PHARMACEUTICALS, INC. | COM | 955306105 | — | 4,552 shares | $1,634,221 |
| VANGUARD HIGH DIVIDEND YIELD E | ETFS | 921946406 | — | 10,213 shares | $1,613,960 |
| NVIDIA CORP | COM | 67066g104 | — | 8,007 shares | $1,602,121 |
| CHUBB LTD | COM | h1467j104 | — | 4,520 shares | $1,540,145 |
| CHEVRON CORP | COM | 166764100 | — | 8,967 shares | $1,486,370 |
| WHEATON PRECIOUS METALS CORP | COM | 962879102 | — | 13,200 shares | $1,482,624 |
| BHP GROUP LTD ADR | COM | 088606108 | — | 17,511 shares | $1,458,841 |
| EMERSON ELECTRIC CO | COM | 291011104 | — | 9,508 shares | $1,361,070 |
| WILLIAMS SONOMA INC COM | COM | 969904101 | — | 5,667 shares | $1,320,978 |
| TJX COMPANIES INC | COM | 872540109 | — | 8,554 shares | $1,295,931 |
| FISERV INC COM | COM | 337738108 | — | 26,251 shares | $1,287,612 |
| DEXCOM INC | COM | 252131107 | — | 18,737 shares | $1,261,937 |
| ENTERPRISE PRODS PART LP | COM | 293792107 | — | 34,232 shares | $1,258,368 |
| NORFOLK SOUTHERN CO | COM | 655844108 | — | 3,975 shares | $1,250,495 |
| MC DONALDS CORP | COM | 580135101 | — | 4,604 shares | $1,244,507 |
| DICK'S SPORTING GOODS INC. | COM | 253393102 | — | 5,475 shares | $1,241,785 |
| TERRENO REALTY CORP | COM | 88146m101 | — | 19,099 shares | $1,237,042 |
| VANGUARD DIVIDEND APPREC | ETFS | 921908844 | — | 5,179 shares | $1,225,455 |
| VANGUARD FTSE EMERGING MARKETS | ETFS | 922042858 | — | 19,896 shares | $1,187,603 |
| MATADOR RESOURCES COMPANY | COM | 576485205 | — | 23,550 shares | $1,172,319 |
| NEXTERA ENERGY INC SHS | COM | 65339f101 | — | 12,971 shares | $1,138,465 |
| ORACLE CORP | COM | 68389x105 | — | 7,546 shares | $1,105,866 |
| CONSTELLATION SOFTWARE F | COM | 21037x100 | — | 573 shares | $1,081,824 |
| MCCORMICK & CO INC COM NON VTG | COM | 579780206 | — | 21,204 shares | $1,069,106 |
| IBM CORP | COM | 459200101 | — | 3,742 shares | $1,052,288 |
| COLGATE-PALMOLIVE CO | COM | 194162103 | — | 11,453 shares | $1,050,011 |
| PFIZER INC | COM | 717081103 | — | 42,034 shares | $1,012,179 |
| TRACTOR SUPPLY COMP | COM | 892356106 | — | 31,850 shares | $1,006,778 |
| UNITEDHEALTH GRP INC | COM | 91324p102 | — | 2,319 shares | $963,846 |
| QUANTA SVCS INC COM | COM | 74762e102 | — | 1,328 shares | $956,213 |
| MONDELEZ INTL INC | COM | 609207105 | — | 16,180 shares | $935,851 |
| LABCORP HOLDINGS INC | COM | 504922105 | — | 3,308 shares | $926,240 |
| BERKLEY W R CORP | COM | 084423102 | — | 13,040 shares | $919,711 |
| STARBUCKS CORP COM | COM | 855244109 | — | 8,799 shares | $899,170 |
| VANGUARD TOTAL STK MKT ETF | ETFS | 922908769 | — | 2,425 shares | $897,347 |
| W E C ENERGY GROUP INC | COM | 92939u106 | — | 7,681 shares | $896,910 |
| WALT DISNEY CO | COM | 254687106 | — | 9,222 shares | $887,617 |
| LINDE PLC SHS | COM | g54950103 | — | 1,700 shares | $882,198 |
| CATERPILLAR INC DEL COM | COM | 149123101 | — | 827 shares | $880,672 |
| ISHARES CORE MSCI EAFE ETF | ETFS | 46432f842 | — | 8,923 shares | $861,783 |
| PROGRESSIVE CORPORATION | COM | 743315103 | — | 3,729 shares | $814,600 |
| MORGAN STANLEY | COM | 617446448 | — | 3,854 shares | $805,640 |
| NOVARTIS AG F SPONSORED ADR 1 | COM | 66987v109 | — | 5,115 shares | $801,623 |
| EAST WEST BANCORP INC | COM | 27579r104 | — | 6,100 shares | $787,449 |
| RTX CORP | COM | 75513e101 | — | 4,012 shares | $761,197 |
| HUBBELL INC | COM | 443510607 | — | 1,446 shares | $756,547 |
| AMGEN INC. | COM | 031162100 | — | 1,933 shares | $699,978 |
| M & T BANK CORP | COM | 55261f104 | — | 2,910 shares | $692,609 |
| BOOKING HOLDING, INC. | COM | 09857l108 | — | 3,791 shares | $675,708 |
| BLACKSTONE GROUP ORD SHS CLASS | COM | 09260d107 | — | 5,499 shares | $647,067 |
| CANADIAN PACIFIC KANSAS CITY C | COM | 13646k108 | — | 7,277 shares | $630,552 |
| SBA COMMUNICATIONS CORP CL A | COM | 78410g104 | — | 3,568 shares | $629,563 |
| McKESSON CORP | COM | 58155q103 | — | 833 shares | $629,415 |
| WALMART INC | COM | 931142103 | — | 5,512 shares | $624,289 |
| ISHARES 1-3 YEAR INTERNATIONAL | ETFS | 464288125 | — | 8,400 shares | $623,658 |