DF DENT & CO INC HEI/A — HEICO CORP CL A

Ownership history in DF DENT & CO INC  ·  41 quarters on record

AI Ownership Summary

DF DENT & CO INC reported HEICO CORP CL A (HEI/A) in 41 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 4.02% in 2025 Q2. The latest visible filing shows HEI/A at 3.14% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this HEI/A ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was DF DENT & CO INC's position in HEICO CORP CL A, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

HEI/A was reported at 3.14% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
4.02% in 2025 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

HEI/A stock page DF DENT & CO INC fund profile DF DENT & CO INC full holdings
How DF DENT & CO INC held HEI/A — position size vs. price
% of Fund (quarterly)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 777,018 -211,057 -21.4% 3.14% $164.0M 2026-05-15 $211.55
2025 Q4 REDUCED — — — 988,075 -135,771 -12.1% 3.59% $249.4M 2026-02-17 $254.25
2025 Q3 REDUCED — — — 1,123,846 -99,679 -8.1% 3.69% $285.6M 2025-11-14 $244.91
2025 Q2 REDUCED — — — 1,223,525 -13,041 -1.1% 4.02% $316.6M 2025-08-14 $242.74
2025 Q1 ADDED — — — 1,236,566 +2,135 +0.2% 3.48% $260.9M 2025-05-15 $217.75
2024 Q4 REDUCED — — — 1,234,431 -69,873 -5.4% 2.91% $229.7M 2025-02-12 $182.87
2024 Q3 REDUCED — — — 1,304,304 -149,820 -10.3% 3.23% $265.8M 2024-11-15 $209.05
2024 Q2 REDUCED — — — 1,454,124 -15,897 -1.1% 3.34% $258.1M 2024-08-14 $184.48
2024 Q1 ADDED — — — 1,470,021 +60,431 +4.3% 2.76% $226.3M 2024-05-15 $169.65
2023 Q4 REDUCED — — — 1,409,590 -18,482 -1.3% 2.66% $200.8M 2024-02-14 $154.53
31 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding HEI/A

As of 2026 Q1 — sorted by position size

Silver Heights Capital Management Inc 3Y 7Y 16.17% Advaya LLP 13.88% Immersion Capital LLP 3Y 7Y 11.73% Lansing Management LP 3Y 7Y 11.22% Applied Fundamental Research, LLC 3Y 11.12% Visualize Group LP 10.67% RIHO Partners, LLC 8.45% Maren Capital LLC 8.37% Zeno Equity Partners LLP 8.31% Port Capital LLC 3Y 7Y 7.75%

FAQ About DF DENT & CO INC and HEI/A

These are the practical questions this page is built to answer before you even open the full history table.

How long has DF DENT & CO INC reported owning HEI/A?

DF DENT & CO INC reported HEI/A across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported HEI/A position in DF DENT & CO INC's portfolio?

The largest reported portfolio weight for HEI/A was 4.02% in 2025 Q2.

What is the latest reported HEI/A position on this page?

The most recent filing on this page is 2026 Q1, when DF DENT & CO INC reported 777,018 shares, equal to 3.14% of portfolio, with an estimated market value of $164.0M.

What does the chart on this HEI/A ownership page compare?

The chart compares DF DENT & CO INC's quarterly HEI/A portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did DF DENT & CO INC time their HEI/A position?

Based on 13F filing dates vs. subsequent HEI/A price moves, DF DENT & CO INC correctly timed 25 out of 40 reported position changes (62%). The annualised alpha on HEI/A relative to SPY over the holding period was +6.7%.

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