Filed: 8/14/2025ACC: 0000934999-25-000005
📋 What this filing means
DF DENT & CO INC filed this quarterly 13F‑HR report disclosing 251 equity positions with a total reported market value of $7.88B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
251
Positions
$7.88B
Total AUM (reported)
50.96M
Total Shares
Allocation by class
COM$7.85B99.7%
ETFS$25.95M0.3%
Portfolio Concentration
Top 3$843.06M10.7%
4–10$1.53B19.5%
11–25$2.29B29.1%
Rest$3.21B40.8%
Top 3 weight
10.7%
Top 10 weight
30.1%
Voting Authority Distribution
Total shares with voting rights: 50.96M
Sole
Full voting authority
50.96M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole251
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings251
Rows:
HEICO CORP CL A
SOLEShares1.22M
TypeSH
Market value$316.59M
4.02%
Sole
1.22M
Shared
0.00
None
0.00
VISA INC CL A
SOLEShares772.65K
TypeSH
Market value$274.33M
3.48%
Sole
772.65K
Shared
0.00
None
0.00
TRANSDIGM GROUP INC
SOLEShares165.81K
TypeSH
Market value$252.14M
3.20%
Sole
165.81K
Shared
0.00
None
0.00
VULCAN MATERIALS CO
SOLEShares879.67K
TypeSH
Market value$229.44M
2.91%
Sole
879.67K
Shared
0.00
None
0.00
WASTE CONNECTIONS INC
SOLEShares1.22M
TypeSH
Market value$228.04M
2.89%
Sole
1.22M
Shared
0.00
None
0.00
ECOLAB INC
SOLEShares822.06K
TypeSH
Market value$221.49M
2.81%
Sole
822.06K
Shared
0.00
None
0.00
AMAZON.COM INC
SOLEShares1.01M
TypeSH
Market value$220.67M
2.80%
Sole
1.01M
Shared
0.00
None
0.00
MASTERCARD INC-CLASS A
SOLEShares383.33K
TypeSH
Market value$215.41M
2.73%
Sole
383.33K
Shared
0.00
None
0.00
MOODYS CORP
SOLEShares428.20K
TypeSH
Market value$214.78M
2.73%
Sole
428.20K
Shared
0.00
None
0.00
ANSYS INC
SOLEShares577.93K
TypeSH
Market value$202.98M
2.58%
Sole
577.93K
Shared
0.00
None
0.00
ALPHABET INC CLASS C
SOLEShares1.06M
TypeSH
Market value$188.38M
2.39%
Sole
1.06M
Shared
0.00
None
0.00
VEEVA SYSTEMS, INC.
SOLEShares651.48K
TypeSH
Market value$187.61M
2.38%
Sole
651.48K
Shared
0.00
None
0.00
COSTAR GROUP INC
SOLEShares2.27M
TypeSH
Market value$182.54M
2.32%
Sole
2.27M
Shared
0.00
None
0.00
INTUITIVE SURGICAL INC
SOLEShares335.52K
TypeSH
Market value$182.32M
2.31%
Sole
335.52K
Shared
0.00
None
0.00
MICROSOFT CORP
SOLEShares354.31K
TypeSH
Market value$176.24M
2.24%
Sole
354.31K
Shared
0.00
None
0.00
VERALTO CORP
SOLEShares1.65M
TypeSH
Market value$166.93M
2.12%
Sole
1.65M
Shared
0.00
None
0.00
S & P GLOBAL INC
SOLEShares306.04K
TypeSH
Market value$161.37M
2.05%
Sole
306.04K
Shared
0.00
None
0.00
CBRE GROUP INC
SOLEShares1.09M
TypeSH
Market value$152.11M
1.93%
Sole
1.09M
Shared
0.00
None
0.00
BIO-TECHNE CORP
SOLEShares2.72M
TypeSH
Market value$140.19M
1.78%
Sole
2.72M
Shared
0.00
None
0.00
FASTENAL CO
SOLEShares3.34M
TypeSH
Market value$140.09M
1.78%
Sole
3.34M
Shared
0.00
None
0.00
CADENCE DESIGN SYS
SOLEShares426.35K
TypeSH
Market value$131.38M
1.67%
Sole
426.35K
Shared
0.00
None
0.00
MONOLITHIC PWR SYS INC COM
SOLEShares171.08K
TypeSH
Market value$125.12M
1.59%
Sole
171.08K
Shared
0.00
None
0.00
GUIDEWIRE SOFTWARE INC
SOLEShares521.41K
TypeSH
Market value$122.77M
1.56%
Sole
521.41K
Shared
0.00
None
0.00
MANHATTAN ASSOCS INC COM
SOLEShares604.49K
TypeSH
Market value$119.37M
1.51%
Sole
604.49K
Shared
0.00
None
0.00
APPFOLIO, INC
SOLEShares494.82K
TypeSH
Market value$113.95M
1.45%
Sole
494.82K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
HEICO CORP CL ASOLE | COM | 1.22M | SH | $316.59M 4.02% | 1.22M | 0.00 | 0.00 |
VISA INC CL ASOLE | COM | 772.65K | SH | $274.33M 3.48% | 772.65K | 0.00 | 0.00 |
TRANSDIGM GROUP INCSOLE | COM | 165.81K | SH | $252.14M 3.20% | 165.81K | 0.00 | 0.00 |
VULCAN MATERIALS COSOLE | COM | 879.67K | SH | $229.44M 2.91% | 879.67K | 0.00 | 0.00 |
WASTE CONNECTIONS INCSOLE | COM | 1.22M | SH | $228.04M 2.89% | 1.22M | 0.00 | 0.00 |
ECOLAB INCSOLE | COM | 822.06K | SH | $221.49M 2.81% | 822.06K | 0.00 | 0.00 |
AMAZON.COM INCSOLE | COM | 1.01M | SH | $220.67M 2.80% | 1.01M | 0.00 | 0.00 |
MASTERCARD INC-CLASS ASOLE | COM | 383.33K | SH | $215.41M 2.73% | 383.33K | 0.00 | 0.00 |
MOODYS CORPSOLE | COM | 428.20K | SH | $214.78M 2.73% | 428.20K | 0.00 | 0.00 |
ANSYS INCSOLE | COM | 577.93K | SH | $202.98M 2.58% | 577.93K | 0.00 | 0.00 |
ALPHABET INC CLASS CSOLE | COM | 1.06M | SH | $188.38M 2.39% | 1.06M | 0.00 | 0.00 |
VEEVA SYSTEMS, INC.SOLE | COM | 651.48K | SH | $187.61M 2.38% | 651.48K | 0.00 | 0.00 |
COSTAR GROUP INCSOLE | COM | 2.27M | SH | $182.54M 2.32% | 2.27M | 0.00 | 0.00 |
INTUITIVE SURGICAL INCSOLE | COM | 335.52K | SH | $182.32M 2.31% | 335.52K | 0.00 | 0.00 |
MICROSOFT CORPSOLE | COM | 354.31K | SH | $176.24M 2.24% | 354.31K | 0.00 | 0.00 |
VERALTO CORPSOLE | COM | 1.65M | SH | $166.93M 2.12% | 1.65M | 0.00 | 0.00 |
S & P GLOBAL INCSOLE | COM | 306.04K | SH | $161.37M 2.05% | 306.04K | 0.00 | 0.00 |
CBRE GROUP INCSOLE | COM | 1.09M | SH | $152.11M 1.93% | 1.09M | 0.00 | 0.00 |
BIO-TECHNE CORPSOLE | COM | 2.72M | SH | $140.19M 1.78% | 2.72M | 0.00 | 0.00 |
FASTENAL COSOLE | COM | 3.34M | SH | $140.09M 1.78% | 3.34M | 0.00 | 0.00 |
CADENCE DESIGN SYSSOLE | COM | 426.35K | SH | $131.38M 1.67% | 426.35K | 0.00 | 0.00 |
MONOLITHIC PWR SYS INC COMSOLE | COM | 171.08K | SH | $125.12M 1.59% | 171.08K | 0.00 | 0.00 |
GUIDEWIRE SOFTWARE INCSOLE | COM | 521.41K | SH | $122.77M 1.56% | 521.41K | 0.00 | 0.00 |
MANHATTAN ASSOCS INC COMSOLE | COM | 604.49K | SH | $119.37M 1.51% | 604.49K | 0.00 | 0.00 |
APPFOLIO, INCSOLE | COM | 494.82K | SH | $113.95M 1.45% | 494.82K | 0.00 | 0.00 |
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