DF DENT & CO INC
CIK: 934999
Holdings (271)
Q2 2026 13F, quarter ended Jun 30, 2026, filed Aug 14, 2026
- GOOG
ALPHABET INC CL C
$240.08M
679,481 sh4.55%-10.2% - V
VISA INC CL A
$190.1M
554,092 sh3.61%-10.3% - HEI.A
HEICO CORP CL A
$180.32M
699,176 sh3.42%-10.0% - AMZN
AMAZON.COM INC
$165.11M
692,739 sh3.13%-13.0% - TDG
TRANSDIGM GROUP INC
$149.11M
111,941 sh2.83%-8.8% - VMC
VULCAN MATERIALS CO
$144.62M
490,212 sh2.74%-9.8% - ECL
ECOLAB INC
$130.33M
467,771 sh2.47%-9.8% - WCN
WASTE CONNECTIONS INC
$128.28M
769,572 sh2.43%-10.5% - MA
MASTERCARD INC CL A
$126.6M
246,504 sh2.40%-14.2% - FAST
FASTENAL CO
$123.79M
2.58M sh2.35%-3.4% - MCO
MOODYS CORP
$122.03M
269,427 sh2.31%-8.8% - PRM
PERIMETER SOLUTIONS INC
$118.45M
3.32M sh2.25%-15.5% - ASML
ASML HOLDINGS N.V.
$103.1M
51,824 sh1.96%-14.3% - MPWR
MONOLITHIC PWR SYS INC COM
$100.85M
72,954 sh1.91%-17.6% - ISRG
INTUITIVE SURGICAL INC
$99.6M
250,449 sh1.89%-9.0% - CDNS
CADENCE DESIGN SYSTEMS INC.
$97.31M
259,282 sh1.85%-10.0% - MSFT
MICROSOFT CORP
$97.17M
260,499 sh1.84%-11.2% - GWRE
GUIDEWIRE SOFTWARE INC
$89.41M
726,645 sh1.70%+17.5% - CBRE
CBRE GROUP INC
$80.17M
595,199 sh1.52%-9.5% - TECH
BIO-TECHNE CORP
$72.75M
1.03M sh1.38%-49.6% - DHR
DANAHER CORP
$70.27M
368,898 sh1.33%-14.5% - AVGO
BROADCOM INC
$64.91M
171,833 sh1.23%-12.1% - MSI
MOTOROLA SOLUTIONS INC.
$64.81M
156,051 sh1.23%+21.5% - DDOG
DATADOG INC CL A
$62.32M
239,350 sh1.18%New - VEEV
VEEVA SYSTEMS, INC.
$59.34M
334,373 sh1.13%-27.5% - MSCI
MSCI INC COM
$58.07M
103,680 sh1.10%-14.6% - AAPL
APPLE INC
$57.16M
197,541 sh1.08%-15.6% - NOVT
NOVANTA INC COM NPV
$53.87M
332,049 sh1.02%-14.2% - KNSL
KINSALE CAPITAL GROUP INC.
$52.96M
160,589 sh1.00%-35.5% - APPF
APPFOLIO, INC
$51.14M
318,951 sh0.97%-0.5% - MEDP
MEDPACE HOLDINGS, INC.
$51.08M
96,455 sh0.97%+28.9% - TSM
TAIWAN SEMICONDUCTOR MFG LTD A
$50.76M
106,282 sh0.96%+10902.3% - RGEN
REPLIGEN CORPORATION
$48.69M
356,854 sh0.92%-2.3% - MKL
MARKEL GROUP INC
$46.95M
24,038 sh0.89%-9.4% - LB
LANDBRIDGE COMPANY LLC CL A
$44.97M
567,536 sh0.85%+14.0% - FND
FLOOR & DECOR HOLDINGS, INC.
$44.55M
750,501 sh0.85%+17.6% - CWST
CASELLA WASTE SYSTEMS INC CL A
$43.27M
446,270 sh0.82%+36.2% - ORLY
O REILLY AUTOMOTIVE
$43.06M
467,562 sh0.82%-0.9% - SPGI
S & P GLOBAL INC
$39.91M
98,000 sh0.76%-35.7% - APH
AMPHENOL CORP NEW CL A
$39.86M
226,067 sh0.76%+6.1% - UBER
UBER TECHNOLOGIES, INC.
$39.34M
545,122 sh0.75%-27.9% - SYK
STRYKER CORP
$38.38M
121,896 sh0.73%+250.0% - HAYW
HAYWARD HOLDINGS INC
$37.96M
2.19M sh0.72%+1.8% - GSHD
GOOSEHEAD INSURANCE, INC.
$37.61M
775,412 sh0.71%-1.1% - HLNE
HAMILTON LANE INC
$37.54M
476,169 sh0.71%+203.6% - CSGP
COSTAR GROUP INC
$37.35M
1.32M sh0.71%-17.8% - CRWD
CROWDSTRIKE HOLDINGS, INC.
$37.11M
48,630 sh0.70%-13.2% - VLTO
VERALTO CORP
$37.06M
417,939 sh0.70%-20.9% - RBC
RBC BEARINGS INC
$36.25M
56,282 sh0.69%-23.3% - ONTO
ONTO INNOVATION INC
$35.54M
93,905 sh0.67%+0.3%
| Security | Shares | Value | Change | Weight | Period |
|---|---|---|---|---|---|
 GOOG ALPHABET INC CL C | 679,481 | $240.08M | -10.2% | 4.55% | Q2 2026 |
 V VISA INC CL A | 554,092 | $190.1M | -10.3% | 3.61% | Q2 2026 |
 HEI.A HEICO CORP CL A | 699,176 | $180.32M | -10.0% | 3.42% | Q2 2026 |
 AMZN AMAZON.COM INC | 692,739 | $165.11M | -13.0% | 3.13% | Q2 2026 |
 TDG TRANSDIGM GROUP INC | 111,941 | $149.11M | -8.8% | 2.83% | Q2 2026 |
 VMC VULCAN MATERIALS CO | 490,212 | $144.62M | -9.8% | 2.74% | Q2 2026 |
 ECL ECOLAB INC | 467,771 | $130.33M | -9.8% | 2.47% | Q2 2026 |
 WCN WASTE CONNECTIONS INC | 769,572 | $128.28M | -10.5% | 2.43% | Q2 2026 |
 MA MASTERCARD INC CL A | 246,504 | $126.6M | -14.2% | 2.40% | Q2 2026 |
 FAST FASTENAL CO | 2.58M | $123.79M | -3.4% | 2.35% | Q2 2026 |
 MCO MOODYS CORP | 269,427 | $122.03M | -8.8% | 2.31% | Q2 2026 |
 PRM PERIMETER SOLUTIONS INC | 3.32M | $118.45M | -15.5% | 2.25% | Q2 2026 |
 ASML ASML HOLDINGS N.V. | 51,824 | $103.1M | -14.3% | 1.96% | Q2 2026 |
 MPWR MONOLITHIC PWR SYS INC COM | 72,954 | $100.85M | -17.6% | 1.91% | Q2 2026 |
 ISRG INTUITIVE SURGICAL INC | 250,449 | $99.6M | -9.0% | 1.89% | Q2 2026 |
 CDNS CADENCE DESIGN SYSTEMS INC. | 259,282 | $97.31M | -10.0% | 1.85% | Q2 2026 |
 MSFT MICROSOFT CORP | 260,499 | $97.17M | -11.2% | 1.84% | Q2 2026 |
 GWRE GUIDEWIRE SOFTWARE INC | 726,645 | $89.41M | +17.5% | 1.70% | Q2 2026 |
 CBRE CBRE GROUP INC | 595,199 | $80.17M | -9.5% | 1.52% | Q2 2026 |
 TECH BIO-TECHNE CORP | 1.03M | $72.75M | -49.6% | 1.38% | Q2 2026 |
 DHR DANAHER CORP | 368,898 | $70.27M | -14.5% | 1.33% | Q2 2026 |
 AVGO BROADCOM INC | 171,833 | $64.91M | -12.1% | 1.23% | Q2 2026 |
 MSI MOTOROLA SOLUTIONS INC. | 156,051 | $64.81M | +21.5% | 1.23% | Q2 2026 |
 DDOG DATADOG INC CL A | 239,350 | $62.32M | New | 1.18% | Q2 2026 |
 VEEV VEEVA SYSTEMS, INC. | 334,373 | $59.34M | -27.5% | 1.13% | Q2 2026 |
 MSCI MSCI INC COM | 103,680 | $58.07M | -14.6% | 1.10% | Q2 2026 |
 AAPL APPLE INC | 197,541 | $57.16M | -15.6% | 1.08% | Q2 2026 |
 NOVT NOVANTA INC COM NPV | 332,049 | $53.87M | -14.2% | 1.02% | Q2 2026 |
 KNSL KINSALE CAPITAL GROUP INC. | 160,589 | $52.96M | -35.5% | 1.00% | Q2 2026 |
 APPF APPFOLIO, INC | 318,951 | $51.14M | -0.5% | 0.97% | Q2 2026 |
 MEDP MEDPACE HOLDINGS, INC. | 96,455 | $51.08M | +28.9% | 0.97% | Q2 2026 |
 TSM TAIWAN SEMICONDUCTOR MFG LTD A | 106,282 | $50.76M | +10902.3% | 0.96% | Q2 2026 |
 RGEN REPLIGEN CORPORATION | 356,854 | $48.69M | -2.3% | 0.92% | Q2 2026 |
 MKL MARKEL GROUP INC | 24,038 | $46.95M | -9.4% | 0.89% | Q2 2026 |
 LB LANDBRIDGE COMPANY LLC CL A | 567,536 | $44.97M | +14.0% | 0.85% | Q2 2026 |
 FND FLOOR & DECOR HOLDINGS, INC. | 750,501 | $44.55M | +17.6% | 0.85% | Q2 2026 |
 CWST CASELLA WASTE SYSTEMS INC CL A | 446,270 | $43.27M | +36.2% | 0.82% | Q2 2026 |
 ORLY O REILLY AUTOMOTIVE | 467,562 | $43.06M | -0.9% | 0.82% | Q2 2026 |
 SPGI S & P GLOBAL INC | 98,000 | $39.91M | -35.7% | 0.76% | Q2 2026 |
 APH AMPHENOL CORP NEW CL A | 226,067 | $39.86M | +6.1% | 0.76% | Q2 2026 |
 UBER UBER TECHNOLOGIES, INC. | 545,122 | $39.34M | -27.9% | 0.75% | Q2 2026 |
 SYK STRYKER CORP | 121,896 | $38.38M | +250.0% | 0.73% | Q2 2026 |
 HAYW HAYWARD HOLDINGS INC | 2.19M | $37.96M | +1.8% | 0.72% | Q2 2026 |
 GSHD GOOSEHEAD INSURANCE, INC. | 775,412 | $37.61M | -1.1% | 0.71% | Q2 2026 |
 HLNE HAMILTON LANE INC | 476,169 | $37.54M | +203.6% | 0.71% | Q2 2026 |
 CSGP COSTAR GROUP INC | 1.32M | $37.35M | -17.8% | 0.71% | Q2 2026 |
 CRWD CROWDSTRIKE HOLDINGS, INC. | 48,630 | $37.11M | -13.2% | 0.70% | Q2 2026 |
 VLTO VERALTO CORP | 417,939 | $37.06M | -20.9% | 0.70% | Q2 2026 |
 RBC RBC BEARINGS INC | 56,282 | $36.25M | -23.3% | 0.69% | Q2 2026 |
 ONTO ONTO INNOVATION INC | 93,905 | $35.54M | +0.3% | 0.67% | Q2 2026 |
1-50 of 271 holdings
Sector Allocation
SEC Filings
| Form | Description | Filed |
|---|---|---|
About DF DENT & CO INC
DF DENT & CO INC is a Mutual Fund that reports its US-listed stock and option positions to the SEC on Form 13F (CIK 934999). Signal8 holds 20 13F filings from it. Its SEC filings list Maryland as its state of incorporation.
Its most recent 13F holdings report covers Q2 2026 (the quarter ended Jun 30, 2026) and was filed on Aug 14, 2026. That report lists 271 securities, not counting options, up from 262 in Q1 2026.
Its five largest reported positions, in order, are ALPHABET INC CL C (GOOG), VISA INC CL A (V), HEICO CORP CL A (HEI.A), AMAZON.COM INC (AMZN) and TRANSDIGM GROUP INC (TDG). The next five are VULCAN MATERIALS CO (VMC), ECOLAB INC (ECL), WASTE CONNECTIONS INC (WCN), MASTERCARD INC CL A (MA) and FASTENAL CO (FAST).
Recent 13F filings by DF DENT & CO INC
- Q2 2026: 13F-HR filed Aug 14, 2026, listing 271 securities.
- Q1 2026: 13F-HR filed May 14, 2026, listing 262 securities.
- Q4 2025: 13F-HR filed Feb 17, 2026, listing 263 securities.
- Q3 2025: 13F-HR filed Nov 14, 2025, listing 272 securities.
- Q2 2025: 13F-HR filed Aug 14, 2025, listing 251 securities.
- Q1 2025: 13F-HR filed May 15, 2025, listing 260 securities.