Filed: 8/14/2026ACC: 0000934999-26-000003
📋 What this filing means
DF DENT & CO INC filed this quarterly 13F‑HR report disclosing 271 equity positions with a total reported market value of $5.27B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
271
Positions
$5.27B
Total AUM (reported)
37.49M
Total Shares
Allocation by class
COM$5.24B99.4%
ETFS$30.08M0.6%
Portfolio Concentration
Top 3$610.51M11.6%
4–10$967.84M18.4%
11–25$1.30B24.7%
Rest$2.39B45.4%
Top 3 weight
11.6%
Top 10 weight
29.9%
Voting Authority Distribution
Total shares with voting rights: 37.49M
Sole
Full voting authority
37.49M
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)
Sole271
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings271
Rows:
ALPHABET INC CL C
SOLEShares679.48K
TypeSH
Market value$240.08M
4.55%
Sole
679.48K
Shared
0.00
None
0.00
VISA INC CL A
SOLEShares554.09K
TypeSH
Market value$190.10M
3.61%
Sole
554.09K
Shared
0.00
None
0.00
HEICO CORP CL A
SOLEShares699.18K
TypeSH
Market value$180.32M
3.42%
Sole
699.18K
Shared
0.00
None
0.00
AMAZON.COM INC
SOLEShares692.74K
TypeSH
Market value$165.11M
3.13%
Sole
692.74K
Shared
0.00
None
0.00
TRANSDIGM GROUP INC
SOLEShares111.94K
TypeSH
Market value$149.11M
2.83%
Sole
111.94K
Shared
0.00
None
0.00
VULCAN MATERIALS CO
SOLEShares490.21K
TypeSH
Market value$144.62M
2.74%
Sole
490.21K
Shared
0.00
None
0.00
ECOLAB INC
SOLEShares467.77K
TypeSH
Market value$130.33M
2.47%
Sole
467.77K
Shared
0.00
None
0.00
WASTE CONNECTIONS INC
SOLEShares769.57K
TypeSH
Market value$128.28M
2.43%
Sole
769.57K
Shared
0.00
None
0.00
MASTERCARD INC CL A
SOLEShares246.50K
TypeSH
Market value$126.60M
2.40%
Sole
246.50K
Shared
0.00
None
0.00
FASTENAL CO
SOLEShares2.58M
TypeSH
Market value$123.79M
2.35%
Sole
2.58M
Shared
0.00
None
0.00
MOODYS CORP
SOLEShares269.43K
TypeSH
Market value$122.03M
2.31%
Sole
269.43K
Shared
0.00
None
0.00
PERIMETER SOLUTIONS INC
SOLEShares3.32M
TypeSH
Market value$118.45M
2.25%
Sole
3.32M
Shared
0.00
None
0.00
ASML HOLDINGS N.V.
SOLEShares51.82K
TypeSH
Market value$103.10M
1.96%
Sole
51.82K
Shared
0.00
None
0.00
MONOLITHIC PWR SYS INC COM
SOLEShares72.95K
TypeSH
Market value$100.85M
1.91%
Sole
72.95K
Shared
0.00
None
0.00
INTUITIVE SURGICAL INC
SOLEShares250.45K
TypeSH
Market value$99.60M
1.89%
Sole
250.45K
Shared
0.00
None
0.00
CADENCE DESIGN SYSTEMS INC.
SOLEShares259.28K
TypeSH
Market value$97.31M
1.85%
Sole
259.28K
Shared
0.00
None
0.00
MICROSOFT CORP
SOLEShares260.50K
TypeSH
Market value$97.17M
1.84%
Sole
260.50K
Shared
0.00
None
0.00
GUIDEWIRE SOFTWARE INC
SOLEShares726.64K
TypeSH
Market value$89.41M
1.70%
Sole
726.64K
Shared
0.00
None
0.00
CBRE GROUP INC
SOLEShares595.20K
TypeSH
Market value$80.17M
1.52%
Sole
595.20K
Shared
0.00
None
0.00
BIO-TECHNE CORP
SOLEShares1.03M
TypeSH
Market value$72.75M
1.38%
Sole
1.03M
Shared
0.00
None
0.00
DANAHER CORP
SOLEShares368.90K
TypeSH
Market value$70.27M
1.33%
Sole
368.90K
Shared
0.00
None
0.00
BROADCOM INC
SOLEShares171.83K
TypeSH
Market value$64.91M
1.23%
Sole
171.83K
Shared
0.00
None
0.00
MOTOROLA SOLUTIONS INC.
SOLEShares156.05K
TypeSH
Market value$64.81M
1.23%
Sole
156.05K
Shared
0.00
None
0.00
DATADOG INC CL A
SOLEShares239.35K
TypeSH
Market value$62.32M
1.18%
Sole
239.35K
Shared
0.00
None
0.00
VEEVA SYSTEMS, INC.
SOLEShares334.37K
TypeSH
Market value$59.34M
1.13%
Sole
334.37K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
ALPHABET INC CL CSOLE | COM | 679.48K | SH | $240.08M 4.55% | 679.48K | 0.00 | 0.00 |
VISA INC CL ASOLE | COM | 554.09K | SH | $190.10M 3.61% | 554.09K | 0.00 | 0.00 |
HEICO CORP CL ASOLE | COM | 699.18K | SH | $180.32M 3.42% | 699.18K | 0.00 | 0.00 |
AMAZON.COM INCSOLE | COM | 692.74K | SH | $165.11M 3.13% | 692.74K | 0.00 | 0.00 |
TRANSDIGM GROUP INCSOLE | COM | 111.94K | SH | $149.11M 2.83% | 111.94K | 0.00 | 0.00 |
VULCAN MATERIALS COSOLE | COM | 490.21K | SH | $144.62M 2.74% | 490.21K | 0.00 | 0.00 |
ECOLAB INCSOLE | COM | 467.77K | SH | $130.33M 2.47% | 467.77K | 0.00 | 0.00 |
WASTE CONNECTIONS INCSOLE | COM | 769.57K | SH | $128.28M 2.43% | 769.57K | 0.00 | 0.00 |
MASTERCARD INC CL ASOLE | COM | 246.50K | SH | $126.60M 2.40% | 246.50K | 0.00 | 0.00 |
FASTENAL COSOLE | COM | 2.58M | SH | $123.79M 2.35% | 2.58M | 0.00 | 0.00 |
MOODYS CORPSOLE | COM | 269.43K | SH | $122.03M 2.31% | 269.43K | 0.00 | 0.00 |
PERIMETER SOLUTIONS INCSOLE | COM | 3.32M | SH | $118.45M 2.25% | 3.32M | 0.00 | 0.00 |
ASML HOLDINGS N.V.SOLE | COM | 51.82K | SH | $103.10M 1.96% | 51.82K | 0.00 | 0.00 |
MONOLITHIC PWR SYS INC COMSOLE | COM | 72.95K | SH | $100.85M 1.91% | 72.95K | 0.00 | 0.00 |
INTUITIVE SURGICAL INCSOLE | COM | 250.45K | SH | $99.60M 1.89% | 250.45K | 0.00 | 0.00 |
CADENCE DESIGN SYSTEMS INC.SOLE | COM | 259.28K | SH | $97.31M 1.85% | 259.28K | 0.00 | 0.00 |
MICROSOFT CORPSOLE | COM | 260.50K | SH | $97.17M 1.84% | 260.50K | 0.00 | 0.00 |
GUIDEWIRE SOFTWARE INCSOLE | COM | 726.64K | SH | $89.41M 1.70% | 726.64K | 0.00 | 0.00 |
CBRE GROUP INCSOLE | COM | 595.20K | SH | $80.17M 1.52% | 595.20K | 0.00 | 0.00 |
BIO-TECHNE CORPSOLE | COM | 1.03M | SH | $72.75M 1.38% | 1.03M | 0.00 | 0.00 |
DANAHER CORPSOLE | COM | 368.90K | SH | $70.27M 1.33% | 368.90K | 0.00 | 0.00 |
BROADCOM INCSOLE | COM | 171.83K | SH | $64.91M 1.23% | 171.83K | 0.00 | 0.00 |
MOTOROLA SOLUTIONS INC.SOLE | COM | 156.05K | SH | $64.81M 1.23% | 156.05K | 0.00 | 0.00 |
DATADOG INC CL ASOLE | COM | 239.35K | SH | $62.32M 1.18% | 239.35K | 0.00 | 0.00 |
VEEVA SYSTEMS, INC.SOLE | COM | 334.37K | SH | $59.34M 1.13% | 334.37K | 0.00 | 0.00 |
Page 1 of 11
…