DF DENT & CO INC's Q1 2025 13F is in
Form 13F-HR for the quarter ended Mar 31, 2025 · filed May 15, 2025 · 260 reported positions · accession 0000934999-25-000004
What changed this quarter
| Activity | Security | Weight before | Weight now | Change | Shares | Shares % |
|---|---|---|---|---|---|---|
| Reduced | GUIDEWIRE SOFTWARE INC (GWRE) | 2.1% | 1.6% | −0.5 pts | −341K sh | −34% |
| Increased | BOOZ ALLEN HAMILTON HOLDING CO (BAH) | 0.0% | 0.7% | +0.7 pts | +506K sh | +8111% |
| Increased | MANHATTAN ASSOCS INC COM (MANH) | 0.8% | 1.2% | +0.5 pts | +304K sh | +137% |
| Reduced | MARKEL GROUP INC (MKL) | 1.8% | 1.4% | −0.4 pts | −27,635 sh | −33% |
| Reduced | EDWARDS LIFESCIENCES (EW) | 0.5% | 0.0% | −0.5 pts | −518K sh | −95% |
| New | PTC INC (PTC) | — | 0.4% | +0.4 pts | +173K sh | new |
| Reduced | SITEONE LANDSCAPE SUPPLY, INC. (SITE) | 1.1% | 0.8% | −0.4 pts | −205K sh | −31% |
| New | MOTOROLA SOLUTIONS INC. (MSI) | — | 0.3% | +0.3 pts | +56,141 sh | new |
| Reduced | VEEVA SYSTEMS, INC. (VEEV) | 2.2% | 2.2% | 0.0 pts | −97,404 sh | −12% |
| Increased | CADENCE DESIGN SYS (CDNS) | 1.2% | 1.4% | +0.1 pts | +78,037 sh | +24% |
| Reduced | BIO-TECHNE CORP (TECH) | 2.9% | 2.3% | −0.7 pts | −320K sh | −10% |
| Reduced | S & P GLOBAL INC (SPGI) | 2.2% | 2.1% | −0.1 pts | −36,799 sh | −10% |
| Reduced | GOOSEHEAD INSURANCE, INC. (GSHD) | 1.4% | 1.4% | 0.0 pts | −139K sh | −13% |
| Reduced | ECOLAB INC (ECL) | 2.6% | 2.8% | +0.2 pts | −59,474 sh | −7% |
| Exited | WILLSCOT HLDGS CORP (WSC) | 0.2% | — | −0.2 pts | −359K sh | −100% |
| Reduced | INTUITIVE SURGICAL INC (ISRG) | 2.4% | 2.3% | −0.1 pts | −22,374 sh | −6% |
| Reduced | BLACKLINE INC (BL) | 0.2% | 0.0% | −0.2 pts | −219K sh | −98% |
| Reduced | VULCAN MATERIALS CO (VMC) | 3.1% | 2.9% | −0.3 pts | −44,205 sh | −5% |
| Reduced | TRANSDIGM GROUP INC (TDG) | 2.8% | 3.1% | +0.3 pts | −7,243 sh | −4% |
| Reduced | WNS HOLDINGS LTD (WNS) | 0.6% | 0.7% | +0.1 pts | −163K sh | −16% |
| Reduced | OLD DOMINION FGHT LINES INC CO (ODFL) | 1.9% | 1.7% | −0.2 pts | −60,415 sh | −7% |
| Increased | VERALTO CORP (VLTO) | 2.2% | 2.3% | +0.2 pts | +99,883 sh | +6% |
| Increased | FEDERAL SIGNAL CORP (FSS) | 0.1% | 0.2% | +0.1 pts | +130K sh | +206% |
| Reduced | WASTE CONNECTIONS INC (WCN) | 2.8% | 3.2% | +0.4 pts | −48,622 sh | −4% |
| Increased | WEST PHARMACEUTICALS, INC. (WST) | 1.6% | 1.3% | −0.3 pts | +42,202 sh | +11% |
| Reduced | FASTENAL CO (FAST) | 2.1% | 2.3% | +0.2 pts | −122K sh | −5% |
| Increased | ASML HOLDINGS (ASML) | 0.6% | 0.7% | +0.1 pts | +13,937 sh | +20% |
| Increased | UBER TECHNOLOGIES, INC. (UBER) | 0.4% | 0.6% | +0.2 pts | +122K sh | +24% |
| Reduced | VISA INC CL A (V) | 3.2% | 3.7% | +0.4 pts | −23,962 sh | −3% |
| Reduced | CBRE GROUP INC (CBRE) | 1.9% | 1.9% | 0.0 pts | −63,968 sh | −6% |
| Increased | SERVICENOW INC (NOW) | 0.3% | 0.4% | 0.0 pts | +10,468 sh | +41% |
| Reduced | MASTERCARD INC-CLASS A (MA) | 2.7% | 2.9% | +0.2 pts | −14,988 sh | −4% |
| Reduced | MOODYS CORP (MCO) | 2.7% | 2.7% | 0.0 pts | −16,046 sh | −4% |
| Reduced | ANSYS INC (ANSS) | 2.6% | 2.5% | −0.1 pts | −22,852 sh | −4% |
| Reduced | COSTAR GROUP INC (CSGP) | 2.2% | 2.5% | +0.3 pts | −89,418 sh | −4% |
| Reduced | VERISK ANALYTICS INC (VRSK) | 1.3% | 1.3% | +0.1 pts | −23,175 sh | −6% |
| Reduced | AMAZON.COM INC (AMZN) | 2.9% | 2.6% | −0.3 pts | −34,198 sh | −3% |
| Reduced | KINSALE CAPITAL GROUP INC. (KNSL) | 1.4% | 1.5% | +0.1 pts | −12,309 sh | −5% |
| Increased | CASELLA WASTE SYSTEMS INC CL A (CWST) | 0.3% | 0.4% | +0.1 pts | +51,315 sh | +22% |
| Reduced | NOVANTA INC COM NPV (NOVT) | 0.4% | 0.3% | −0.1 pts | −43,663 sh | −22% |
| Increased | SPS COMMERCE INC (SPSC) | 0.3% | 0.3% | 0.0 pts | +40,821 sh | +33% |
| Reduced | KADANT INC (KAI) | 0.2% | 0.2% | −0.1 pts | −16,006 sh | −32% |
| Increased | APPLIED INDL TECHNOLOGIES INC (AIT) | 0.1% | 0.1% | +0.1 pts | +22,177 sh | +93% |
| Reduced | DOUGLAS DYNAMICS INC (PLOW) | 0.2% | 0.2% | −0.1 pts | −215K sh | −27% |
| Increased | AGILYSYS INC (AGYS) | 0.2% | 0.2% | 0.0 pts | +67,976 sh | +60% |
| Reduced | APPFOLIO, INC (APPF) | 1.3% | 1.2% | −0.1 pts | −22,065 sh | −5% |
| Reduced | ALPHABET INC CLASS C (GOOG) | 2.7% | 2.3% | −0.4 pts | −30,108 sh | −3% |
| Reduced | CARMAX INC (KMX) | 0.9% | 0.9% | −0.1 pts | −57,643 sh | −7% |
| New | MCEWEN MNG INC COM (MUX) | — | 0.1% | +0.1 pts | +585K sh | new |
| Reduced | CROWDSTRIKE HOLDINGS, INC. (CRWD) | 0.4% | 0.4% | 0.0 pts | −11,858 sh | −12% |
The 50 largest of 224 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 — 29.9% of the equity book
Changes in the top 10 this quarter: ECL entered · CSGP entered · TECH left · GOOG left
| # | Security | Weight before | Weight now | |
|---|---|---|---|---|
| 1 | VISA INC CL A (V) | 3.2% | 3.7% | |
| 2 | HEICO CORP CL A (HEIA) | 2.9% | 3.5% | |
| 3 | WASTE CONNECTIONS INC (WCN) | 2.8% | 3.2% | |
| 4 | TRANSDIGM GROUP INC (TDG) | 2.8% | 3.1% | |
| 5 | VULCAN MATERIALS CO (VMC) | 3.1% | 2.9% | |
| 6 | MASTERCARD INC-CLASS A (MA) | 2.7% | 2.9% | |
| 7 | ECOLAB INC (ECL) | 2.6% | 2.8% | Entered the top 10 |
| 8 | MOODYS CORP (MCO) | 2.7% | 2.7% | |
| 9 | AMAZON.COM INC (AMZN) | 2.9% | 2.6% | |
| 10 | COSTAR GROUP INC (CSGP) | 2.2% | 2.5% | Entered the top 10 |
| — | BIO-TECHNE CORP (TECH) | 2.9% | 2.3% | Left the top 10 |
| — | ALPHABET INC CLASS C (GOOG) | 2.7% | 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).