Stock Ownership/GATX

GATX CORP (GATX): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in GATX · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
21
13F filers
Aggregate Value
$293.3M
Across holders
Last Price
$178.51
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity9 increased11 reduced1 exited
Full exits: CAXTON ASSOCIATES LLP
Institutional Holders of GATX
↗
21 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
Institutional Manager1.05M$186.9M63.7%1.7%Reduced$-8.2MQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund155K$27.5M9.4%0.0%Reduced$-4.8MQ2 2026
Walleye Capital LLC
CIK 0001758720
Hedge Fund122K$21.7M7.4%0.1%Reduced$-1.7MQ2 2026
Clearbridge Investments, LLC
CIK 0001348883
Hedge Fund68K$12.0M4.1%0.0%Reduced$-10KQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund63K$11.1M3.8%0.0%Added$-2.4MQ2 2026
Hudson Bay Capital Management LP
CIK 0001393825
Hedge Fund40K$7.1M2.4%0.0%Added—Q2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund37K$6.6M2.3%0.0%Reduced$-1.0MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund22K$3.9M1.3%0.0%Reduced+$3.9MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund20K$3.5M1.2%0.0%Reduced$-174KQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund19K$3.3M1.1%0.0%Added+$1.9MQ2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$186.9M· 63.7% of total· 1.7% port· 1.05M sh· $-8.2M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$27.5M· 9.4% of total· 0.0% port· 155K sh· $-4.8M QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$21.7M· 7.4% of total· 0.1% port· 122K sh· $-1.7M QoQ· Q2 2026
Clearbridge Investments, LLCReduced
Hedge Fund
$12.0M· 4.1% of total· 0.0% port· 68K sh· $-10K QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$11.1M· 3.8% of total· 0.0% port· 63K sh· $-2.4M QoQ· Q2 2026
Hudson Bay Capital Management LPAdded
Hedge Fund
$7.1M· 2.4% of total· 0.0% port· 40K sh· — QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$6.6M· 2.3% of total· 0.0% port· 37K sh· $-1.0M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$3.9M· 1.3% of total· 0.0% port· 22K sh· +$3.9M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$3.5M· 1.2% of total· 0.0% port· 20K sh· $-174K QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$3.3M· 1.1% of total· 0.0% port· 19K sh· +$1.9M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$2.6M· 0.9% of total· 0.0% port· 14K sh· — QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$1.6M· 0.6% of total· 0.0% port· 9K sh· — QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$1.4M· 0.5% of total· 0.0% port· 8K sh· $-3.9M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$1.2M· 0.4% of total· 0.0% port· 7K sh· $-839K QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$874K· 0.3% of total· 0.0% port· 5K sh· — QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$638K· 0.2% of total· 0.0% port· 4K sh· $-3.4M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$540K· 0.2% of total· 0.0% port· 3K sh· $-750K QoQ· Q2 2026
Gotham Asset Management, LLCUnchanged
Hedge Fund
$407K· 0.1% of total· 0.0% port· 2K sh· +$0 QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$392K· 0.1% of total· 0.0% port· 2K sh· — QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$156K· 0.1% of total· 0.0% port· 876 sh· — QoQ· Q2 2026
Ancora Advisors, LLCReduced
Hedge Fund
$10K· 0.0% of total· 0.0% port· 57 sh· $-6K QoQ· Q2 2026
1–10 of 21
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