GATX CORP (GATX) Institutional Ownership Changes & 13F Activity

GATX CORP (GATX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Invesco Ltd., Wellington Management Group Llp, Ameriprise Financial Inc, Hudson Bay Capital Management Lp, and Xtx Topco Ltd.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Manufacturers Life Insurance Company, TheSell-330-1.0%32,467$5.75MQ2 2026Sep 09, 2026
Citadel Advisors LlcBuy+20,720+49.5%62,593$11.09MQ2 2026Sep 02, 2026
Cornerstone Financial Management LlcBuy+33$532.00Q2 2026Aug 28, 2026
Corient Private Wealth LlcSell-53-0.6%9,054$1.60MQ2 2026Aug 27, 2026
California State Teachers Retirement SystemBuy+1,556+4.1%39,143$6.94MQ2 2026Aug 24, 2026
Rehmann Capital Advisory GroupBuy+179+6.6%2,884$511.11KQ2 2026Aug 20, 2026
Mercer Global Advisors IncBuy+780+32.8%3,156$559.21KQ2 2026Aug 19, 2026
Fulcrum Asset Management LlpBuy+876876$156.22KQ2 2026Aug 18, 2026
Ruggaard & Associates LlcBuy+2,5302,530$448.29KQ2 2026Aug 17, 2026
Integrated Investment Consultants, LlcBuy+2,2842,284$404.70KQ2 2026Aug 17, 2026
United Capital Financial Advisors, LlcSell-1,092-28.7%2,711$480.36KQ2 2026Aug 17, 2026
Public Employees Retirement System Of OhioBuy+16+1.2%1,310$232.12KQ2 2026Aug 17, 2026
Empowered Funds, LlcBuy+11+0.5%2,432$430.93KQ2 2026Aug 17, 2026
Transamerica Financial Advisors, LlcBuy+3+100.0%6$1.06KQ2 2026Aug 17, 2026
Invesco Ltd.Buy+284,778284,778$50.46MQ2 2026Aug 14, 2026
Wellington Management Group LlpSell-163,217-19.4%679,715$120.44MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+152,621152,621$27.04MQ2 2026Aug 14, 2026
Hudson Bay Capital Management LpBuy+40,17840,178$7.12MQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+27,222+490.9%32,767$5.81MQ2 2026Aug 14, 2026
Tudor Investment Corp Et AlSell-26,938-14.8%154,990$27.46MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Sell-21,784-73.3%7,934$1.41MQ2 2026Aug 14, 2026
Wells Fargo & Company/MnBuy+21,417+16.8%149,191$26.44MQ2 2026Aug 14, 2026
Squarepoint Ops LlcSell-18,924-84.0%3,599$637.71KQ2 2026Aug 14, 2026
Natixis Advisors, LlcBuy+16,416+5.8%298,972$52.97MQ2 2026Aug 14, 2026
Brevan Howard Capital Management LpBuy+14,39314,393$2.55MQ2 2026Aug 14, 2026
Barclays PlcSell-12,649-50.9%12,215$2.16MQ2 2026Aug 14, 2026
Susquehanna International Group, LlpSell-11,668-73.2%4,276$757.66KQ2 2026Aug 14, 2026
Jones Financial Companies LllpBuy+11,372+6.6%184,157$33.56MQ2 2026Aug 14, 2026
Susquehanna Fundamental Investments, LlcBuy+9,732+113.8%18,287$3.24MQ2 2026Aug 14, 2026
Schonfeld Strategic Advisors LlcBuy+9,1689,168$1.62MQ2 2026Aug 14, 2026
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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 CORP (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.