DF DENT & CO INC's Q2 2025 13F is in
Form 13F-HR for the quarter ended Jun 30, 2025 · filed Aug 14, 2025 · 251 reported positions · accession 0000934999-25-000005
This filing covers a somewhat different set of reporting entities than the fund's prior filing, so a few of the changes below may reflect that rather than trading.
What changed this quarter
| Activity | Security | Weight before | Weight now | Change | Shares | Shares % |
|---|---|---|---|---|---|---|
| Reduced | FASTENAL CO (FAST) | 2.3% | 1.8% | −0.5 pts | −1.02M sh | −23% |
| Reduced | ZOETIS INC (ZTS) | 0.6% | 0.1% | −0.5 pts | −245K sh | −83% |
| Reduced | GUIDEWIRE SOFTWARE INC (GWRE) | 1.6% | 1.6% | −0.1 pts | −131K sh | −20% |
| Increased | COPART INC COM (CPRT) | 0.7% | 1.0% | +0.3 pts | +609K sh | +65% |
| Reduced | OLD DOMINION FGHT LINES INC CO (ODFL) | 1.7% | 1.3% | −0.5 pts | −170K sh | −21% |
| Reduced | MARKEL GROUP INC (MKL) | 1.4% | 1.1% | −0.3 pts | −12,773 sh | −23% |
| Increased | APPFOLIO, INC (APPF) | 1.2% | 1.4% | +0.3 pts | +103K sh | +26% |
| Increased | MOTOROLA SOLUTIONS INC. (MSI) | 0.3% | 0.6% | +0.3 pts | +55,716 sh | +99% |
| Increased | PTC INC (PTC) | 0.4% | 0.6% | +0.3 pts | +121K sh | +70% |
| Reduced | CARMAX INC (KMX) | 0.9% | 0.4% | −0.4 pts | −305K sh | −37% |
| Reduced | VEEVA SYSTEMS, INC. (VEEV) | 2.2% | 2.4% | +0.2 pts | −65,308 sh | −9% |
| Increased | TYLER TECHNOLOGIES INC (TYL) | 0.8% | 1.0% | +0.2 pts | +28,588 sh | +29% |
| Exited | BRIGHT HORIZONS FAM SOL IN DEL (BFAM) | 0.2% | — | −0.2 pts | −119K sh | −100% |
| Increased | MANHATTAN ASSOCS INC COM (MANH) | 1.2% | 1.5% | +0.3 pts | +77,673 sh | +15% |
| Reduced | VERALTO CORP (VLTO) | 2.3% | 2.1% | −0.2 pts | −127K sh | −7% |
| Increased | APPLIED INDL TECHNOLOGIES INC (AIT) | 0.1% | 0.3% | +0.2 pts | +53,031 sh | +115% |
| New | ESCO TECHNOLOGIES INC (ESE) | — | 0.1% | +0.1 pts | +59,430 sh | new |
| Exited | RXSIGHT INC (RXST) | 0.1% | — | −0.1 pts | −421K sh | −100% |
| Reduced | VERISK ANALYTICS INC (VRSK) | 1.3% | 1.2% | −0.1 pts | −35,891 sh | −11% |
| Increased | SERVICENOW INC (NOW) | 0.4% | 0.6% | +0.2 pts | +10,424 sh | +29% |
| Reduced | CORE & MAIN INC CL A (CNM) | 0.5% | 0.5% | 0.0 pts | −175K sh | −22% |
| Reduced | VULCAN MATERIALS CO (VMC) | 2.9% | 2.9% | 0.0 pts | −40,511 sh | −4% |
| Increased | GOOSEHEAD INSURANCE, INC. (GSHD) | 1.4% | 1.3% | −0.1 pts | +99,413 sh | +11% |
| New | MARKETAXESS HLDGS INC COM (MKTX) | — | 0.1% | +0.1 pts | +46,126 sh | new |
| Reduced | ENDAVA plc (DAVA) | 0.2% | 0.0% | −0.2 pts | −659K sh | −98% |
| Reduced | WEST PHARMACEUTICALS, INC. (WST) | 1.3% | 1.1% | −0.2 pts | −44,024 sh | −10% |
| Increased | ATLASSIAN CORPORATION CL A (TEAM) | 0.8% | 0.9% | 0.0 pts | +46,217 sh | +15% |
| Increased | MONOLITHIC PWR SYS INC COM (MPWR) | 1.2% | 1.6% | +0.3 pts | +11,090 sh | +7% |
| Reduced | BIO-TECHNE CORP (TECH) | 2.3% | 1.8% | −0.5 pts | −156K sh | −5% |
| Increased | CADENCE DESIGN SYS (CDNS) | 1.4% | 1.7% | +0.3 pts | +25,395 sh | +6% |
| Increased | RBC BEARINGS INC (RBC) | 0.3% | 0.5% | +0.1 pts | +20,237 sh | +25% |
| Reduced | COSTAR GROUP INC (CSGP) | 2.5% | 2.3% | −0.2 pts | −96,774 sh | −4% |
| Increased | HAYWARD HOLDINGS INC (HAYW) | 0.3% | 0.4% | +0.1 pts | +536K sh | +36% |
| Increased | CHARLES RIVER LABORATORIES INT (CRL) | 0.2% | 0.3% | +0.1 pts | +47,472 sh | +41% |
| Increased | FEDERAL SIGNAL CORP (FSS) | 0.2% | 0.4% | +0.2 pts | +67,565 sh | +35% |
| Increased | MURPHY USA INC COM (MUSA) | 0.4% | 0.4% | 0.0 pts | +16,587 sh | +24% |
| Increased | NOVANTA INC COM NPV (NOVT) | 0.3% | 0.3% | +0.1 pts | +50,992 sh | +33% |
| Increased | FLOOR & DECOR HOLDINGS, INC. (FND) | 0.5% | 0.5% | 0.0 pts | +86,118 sh | +18% |
| Increased | KADANT INC (KAI) | 0.2% | 0.2% | +0.1 pts | +20,291 sh | +60% |
| Reduced | TRUPANION, INC. (TRUP) | 0.2% | 0.2% | 0.0 pts | −110K sh | −32% |
| Increased | CSW INDUSTRIALS INC (CSWI) | 0.3% | 0.3% | +0.1 pts | +20,589 sh | +32% |
| Increased | UTZ BRANDS INC. (UTZ) | 0.2% | 0.3% | 0.0 pts | +466K sh | +41% |
| Reduced | JBT MAREL CORPORATION COM (JBT) | 0.3% | 0.2% | −0.1 pts | −48,291 sh | −28% |
| Increased | ENTEGRIS INC (ENTG) | 0.3% | 0.3% | 0.0 pts | +71,737 sh | +28% |
| Increased | BOOZ ALLEN HAMILTON HOLDING CO (BAH) | 0.7% | 0.7% | 0.0 pts | +53,874 sh | +11% |
| Reduced | ILLUMINA INC (ILMN) | 0.1% | 0.0% | −0.1 pts | −54,979 sh | −74% |
| Reduced | INTUITIVE SURGICAL INC (ISRG) | 2.3% | 2.3% | 0.0 pts | −9,540 sh | −3% |
| Reduced | EVERTEC INC (EVTC) | 0.2% | 0.1% | −0.1 pts | −141K sh | −32% |
| Reduced | ANSYS INC (ANSS) | 2.5% | 2.6% | +0.1 pts | −13,835 sh | −2% |
| Exited | MCEWEN MNG INC COM (MUX) | 0.1% | — | −0.1 pts | −585K sh | −100% |
The 50 largest of 221 changes, by size of the trade. Full holdings for this quarter.
Reported by the fund in its Form 13F filed with the SEC; holdings are as of the quarter-end report date and may have changed since. For informational purposes only — not investment advice or a recommendation to buy or sell any security. FilingExplorer is not affiliated with or endorsed by this fund. How this brief is compiled
Top 10 positions — 30.1% of the equity book
Changes in the top 10 this quarter: ANSS entered · CSGP left
| # | Security | Weight before | Weight now | |
|---|---|---|---|---|
| 1 | HEICO CORP CL A (HEIA) | 3.5% | 4.0% | |
| 2 | VISA INC CL A (V) | 3.7% | 3.5% | |
| 3 | TRANSDIGM GROUP INC (TDG) | 3.1% | 3.2% | |
| 4 | VULCAN MATERIALS CO (VMC) | 2.9% | 2.9% | |
| 5 | WASTE CONNECTIONS INC (WCN) | 3.2% | 2.9% | |
| 6 | ECOLAB INC (ECL) | 2.8% | 2.8% | |
| 7 | AMAZON.COM INC (AMZN) | 2.6% | 2.8% | |
| 8 | MASTERCARD INC-CLASS A (MA) | 2.9% | 2.7% | |
| 9 | MOODYS CORP (MCO) | 2.7% | 2.7% | |
| 10 | ANSYS INC (ANSS) | 2.5% | 2.6% | Entered the top 10 |
| — | COSTAR GROUP INC (CSGP) | 2.5% | 2.3% | Left the top 10 |
Weights are each position's reported value as a share of the fund's reported equity positions (options and principal-amount holdings excluded).