HEICO CORP-CLASS A (HEI-A) Stock Institutional Trading Activity


HEICO CORP-CLASS A (HEI-A) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Vulcan Value Partners, Renaissance Technologies LLC, Giverny Capital, Sequoia Financial Advisors, and Berkshire Hathaway. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2018Renaissance Technologies LLCBuy491,7911,862,052$140,585
Q2 2018Giverny CapitalBuy163,193531,120$32,372
Q1 2018Giverny CapitalBuy73,614367,927$26,104
Q1 2018Turtle Creek Asset ManagementBuy8254,125$293
Q1 2018Renaissance Technologies LLCBuy407,0511,370,261$97,220
Q4 2017Giverny CapitalSell-7,644294,313$23,265
Q4 2017Renaissance Technologies LLCBuy133,100963,210$76,142
Q3 2017Giverny CapitalBuy21,082301,957$23,009
Q3 2017Turtle Creek Asset ManagementSell-6,2003,300$251
Q3 2017Renaissance Technologies LLCBuy77,200830,110$63,254
Q2 2017Giverny CapitalBuy69,192280,875$17,428
Q2 2017Turtle Creek Asset ManagementSell-110,9479,500$589
Q2 2017Renaissance Technologies LLCBuy230,842752,910$46,718
Q1 2017Giverny CapitalBuy98,929211,683$15,876
Q1 2017Turtle Creek Asset ManagementSell-176,000120,447$7,227
Q1 2017Renaissance Technologies LLCBuy114,600522,068$39,155
Q4 2016Giverny CapitalBuy6,943112,754$7,656
Q4 2016Turtle Creek Asset ManagementSell-13,958296,447$20,129
Q4 2016Renaissance Technologies LLCBuy175,100407,468$27,667
Q3 2016Giverny CapitalBuy105,811105,811$6,403
Q3 2016Renaissance Technologies LLCBuy65,800232,368$14,061
Q3 2016Turtle Creek Asset ManagementSell-4,564310,405$18,783
Q2 2016Renaissance Technologies LLCSell-20,800166,568$8,936
Q2 2016Turtle Creek Asset ManagementSell-931314,969$16,898
Q1 2016Renaissance Technologies LLCBuy58,700187,368$8,919
Q1 2016Turtle Creek Asset ManagementBuy48,800315,900$15,037
Q1 2016Bares Capital ManagementSell-1,234,114350,977$16,707
Q4 2015Renaissance Technologies LLCBuy19,500128,668$6,330
Q4 2015Turtle Creek Asset ManagementSell-1,100267,100$13,141
Q4 2015Bares Capital ManagementSell-309,2141,585,091$77,986

Frequently asked questions about HEI-A activity

  • Which institutional owners are buying HEI-A?

    Institutional owners buying HEI-A include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in HEI-A activity?

    "Buy" means an investor increased their reported position in HEI-A compared to the prior reporting period. This reflects growing exposure to HEICO CORP-CLASS A (HEI-A) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in HEI-A increasing?

    Institutional interest in HEI-A can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.