Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

DF DENT & CO INC 13F Holdings -- Portfolio & Top Positions (2026-03-31)

DF DENT & CO INC (CIK 934999) reported $5.22B across 261 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: GOOG ($217.1M, 4.16%), V ($186.8M, 3.58%), AMZN ($165.9M, 3.18%), HEI.A ($164.0M, 3.14%), VMC ($148.0M, 2.83%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1GOOGALPHABET INC CL C$217.1M4.16%756,817Trimmed
2VVISA INC CL A$186.8M3.58%618,044Trimmed
3AMZNAMAZON.COM INC$165.9M3.18%796,428Trimmed
4HEI.AHEICO CORP CL A$164.0M3.14%777,018Trimmed
5VMCVULCAN MATERIALS CO$148.0M2.83%543,613Trimmed
6MAMASTERCARD INC CL A$143.5M2.75%287,119Trimmed
7TDGTRANSDIGM GROUP INC$142.3M2.72%122,753Trimmed
8WCNWASTE CONNECTIONS INC$139.6M2.67%859,515Trimmed
9ECLECOLAB INC$138.0M2.64%518,622Trimmed
10MCOMOODYS CORP$128.9M2.47%295,401Trimmed
11ISRGINTUITIVE SURGICAL INC$126.9M2.43%275,313Trimmed
12FASTFASTENAL CO$123.8M2.37%2.7MTrimmed
13MSFTMICROSOFT CORP$108.6M2.08%293,450Trimmed
14TECHBIO-TECHNE CORP$106.8M2.04%2.0MTrimmed
15MPWRMONOLITHIC PWR SYS INC COM$96.8M1.85%88,549Trimmed
16PRMPERIMETER SOLUTIONS INC$96.0M1.84%3.9MAdded
17GWREGUIDEWIRE SOFTWARE INC$92.5M1.77%618,275Added
18CBRECBRE GROUP INC$89.1M1.71%657,510Trimmed
19KNSLKINSALE CAPITAL GROUP INC.$85.1M1.63%248,937Trimmed
20DHRDANAHER CORP$81.8M1.57%431,292Trimmed
21VEEVVEEVA SYSTEMS, INC.$81.0M1.55%461,103Trimmed
22ASMLASML HOLDINGS N.V.$79.9M1.53%60,467Trimmed
23CDNSCADENCE DESIGN SYSTEMS INC.$80.0M1.53%288,044Trimmed
24MSCIMSCI INC COM$65.5M1.25%121,442Added
25SPGIS & P GLOBAL INC$64.8M1.24%152,338Trimmed

Source: SEC Form 13F filings · as of 2026-03-31