How many institutional investors hold GATX?

3 tracked institutional investors disclosed a position in GATX (GATX CORP) in their most recent 13F filing.

Who is the largest institutional holder of GATX?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in GATX, valued at $8M.

Where does this GATX ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

GATX — GATX CORP

Name: GATX CORP (GATX) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About GATX CORP (GATX)

GATX CORP (GATX) appears in the most recent 13F filings of 3 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $8M. Across recent filings, tracked investors recorded 2 new positions, 0 increased, 0 reduced, and 2 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in GATX

/100

Mixed Activity

Added / Increased2

Reduced0

Exited2

BearishBullish

Crowded Trade Score™

How many top investors track GATX

/100

Emerging Interest

3investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

GATX Ownership Composition

How GATX CORP is held across tracked investor types, based on reported 13F positions.

Dominant Type

Other

100% of tracked value

Institutions

tracked investors

Total Reported

$10.3M

combined 13F value

Other100.0%

Other(3)

100.0%

Tracked investors reporting GATX

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	49.3K	$8.4M	0.00%	Mar 31, 2026
Izzy Englander	Millennium Management	11.3K	$1.9M	0.00%	Mar 31, 2026
Ray Dalio	Bridgewater Associates	4K	$695	0.00%	Sep 30, 2025

Ken GriffinMar 31, 2026
Citadel Advisors
Shares
49.3K
Value
$8.4M
% Portfolio
0.00%
Izzy EnglanderMar 31, 2026
Millennium Management
Shares
11.3K
Value
$1.9M
% Portfolio
0.00%
Ray DalioSep 30, 2025
Bridgewater Associates
Shares
4K
Value
$695
% Portfolio
0.00%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Ken Griffin	Sold	-100.00%	$0	May 15, 2026
Ken Griffin	New	—	$731	Feb 17, 2026
Ray Dalio	Sold	-100.00%	$0	Feb 13, 2026
Ray Dalio	New	—	$695	Nov 13, 2025

Ken Griffin
Sold
$0(-100.00%)May 15, 2026
Ken Griffin
New
$731Feb 17, 2026
Ray Dalio
Sold
$0(-100.00%)Feb 13, 2026
Ray Dalio
New
$695Nov 13, 2025

Frequently asked questions

How many institutional investors hold GATX?: 3 tracked institutional investors disclosed a position in GATX (GATX CORP) in their most recent 13F filing.
Who is the largest institutional holder of GATX?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in GATX, valued at $8M.
Did institutional ownership of GATX increase or decrease?: Across recent 13F filings, tracked investors recorded 2 new positions, 0 increased, 0 reduced, and 2 fully exited GATX.
Where does this GATX ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.