GREENBRIER COMPANIES INC (GBX) Stock Institutional Trading Activity


GREENBRIER COMPANIES INC (GBX) 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 Renaissance Technologies LLC, Cullen Value Fund, Donald Smith & Co., 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.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2015Olstein Capital ManagementBuy110,000464,000$14,899
Q2 2015Olstein Capital ManagementBuy69,000354,000$16,585
Q1 2015Olstein Capital ManagementBuy11,000285,000$16,530
Q4 2014Olstein Capital ManagementBuy204,000274,000$14,722
Q3 2014Olstein Capital ManagementSell-17,00070,000$5,137
Q3 2014Renaissance Technologies LLCBuy124,239312,600$22,939
Q2 2014Olstein Capital ManagementBuy87,00087,000$5,011
Q4 2013Renaissance Technologies LLCBuy188,361188,361$6,186

Frequently asked questions about GBX activity

  • Which institutional owners are buying GBX?

    Institutional owners buying GBX 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 GBX activity?

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

  • Is institutional interest in GBX increasing?

    Institutional interest in GBX 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.