CECO ENVIRONMENTAL CORP (CECO) Stock Institutional Trading Activity


CECO ENVIRONMENTAL CORP (CECO) 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 Polen Capital Management, First Eagle U.S. Value, Renaissance Technologies LLC, and Olstein Capital Management. 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
Q1 2014Olstein Capital ManagementBuy47,00077,000$1,277
Q4 2013Olstein Capital ManagementBuy30,00030,000$485
Q4 2013Renaissance Technologies LLCSell-143,980205,901$3,326
Q3 2013Renaissance Technologies LLCBuy186,784349,881$4,926
Q2 2013Renaissance Technologies LLCBuy163,097163,097$2,006

Frequently asked questions about CECO activity

  • Which institutional owners are buying CECO?

    Institutional owners buying CECO 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 CECO activity?

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

  • Is institutional interest in CECO increasing?

    Institutional interest in CECO 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.