GATX (GATX) Institutional Ownership Changes & 13F Activity

GATX. Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Sequoia Financial Advisors and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Sequoia Financial AdvisorsBuy1,2021,202$203,860
Q2 2022Renaissance Technologies LLCSell-18,6007,100$669
Q1 2022Renaissance Technologies LLCSell-5,30025,700$3,170
Q4 2021Renaissance Technologies LLCSell-22,70031,000$3,230
Q3 2021Renaissance Technologies LLCBuy9,40053,700$4,809
Q2 2021Renaissance Technologies LLCBuy22,70044,300$3,919
Q1 2021Renaissance Technologies LLCSell-74,40021,600$2,003
Q3 2020Renaissance Technologies LLCBuy25,30096,000$6,120
Q2 2020Renaissance Technologies LLCBuy55,10070,700$4,311
Q3 2019Renaissance Technologies LLCSell-23,60015,600$1,209
Q2 2019Renaissance Technologies LLCBuy19,20039,200$3,108
Q4 2018Renaissance Technologies LLCBuy17,10020,000$1,416
Q3 2018Renaissance Technologies LLCSell-37,8002,900$251
Q4 2017Renaissance Technologies LLCSell-90,60040,700$2,530
Q3 2017Renaissance Technologies LLCSell-14,100131,300$8,083
Q3 2016Renaissance Technologies LLCBuy5,400145,400$6,478
Q1 2016Renaissance Technologies LLCBuy65,800140,000$6,650
Q4 2015Renaissance Technologies LLCSell-36,49874,200$3,157
Q1 2015Renaissance Technologies LLCSell-20,602110,698$6,418
Q4 2014Renaissance Technologies LLCBuy4,500131,300$7,555
Q3 2014Renaissance Technologies LLCBuy19,600126,800$7,401
Q2 2014Renaissance Technologies LLCBuy63,200107,200$7,176
Q1 2014Renaissance Technologies LLCSell-79,30044,000$2,987
Q4 2013Renaissance Technologies LLCBuy69,500123,300$6,433
Q3 2013Renaissance Technologies LLCBuy53,80053,800$2,557

Frequently asked questions about GATX activity

  • Which institutional owners are buying GATX?

    Institutional owners buying GATX 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 GATX activity?

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

  • Is institutional interest in GATX increasing?

    Institutional interest in GATX 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.

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