As of November 6, 2026, Gatx Corp. is a publicly traded company (NYSE: GATX); its largest reported holder is BlackRock, with 11.5% on Schedule 13G/A of July 18, 2025, then Earnest Partners LLC (7.3%). The largest insider holding is State Farm Mutual Automobile Insurance Co., a 10% owner, with 5,641,782 shares (16.2% of shares outstanding), per Form 4/A of October 11, 2024 (Schedule 13G/A, July 18, 2025).
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Is Gatx Corp. a real, registered company?
- Gatx Corp files with the SEC under CIK 40211 (its SEC filings).
- Its shares are listed under the ticker GATX on NYSE (SEC company record).
- Incorporated in New York; business address in Chicago, Illinois, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under GATX CORP in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Earnest Partners LLC (filed 2026-05-15).
Who are Gatx Corp.'s owners and officers?
Gatx Corp.: incorporated in New York; business address in Chicago, Illinois; industry Transportation Services (Schedule 13G/A, 2026-05-15).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-05-15 | Earnest Partners LLC | 7.3% |
| Schedule 13G, 2026-04-29 | Vanguard Portfolio Management | 5.71% |
| Schedule 13G, 2026-04-29 | Vanguard Capital Management | 5.19% |
| Schedule 13D/A, 2026-04-02 | Gamco Investors, Inc. Et Al | 3.1% |
| Schedule 13G/A, 2026-03-26 | The Vanguard Group | 0% |
| Schedule 13G/A, 2025-07-18 | Blackrock, Inc. | 11.5% |
| Schedule 13G/A, 2025-07-15 | Dimensional Fund Advisors LP | 4.5% |
Questions about who owns Gatx Corp.
Who owns Gatx Corp.?
On this page, 4 holders' latest ownership filings report 5% or more of Gatx Corp.: Blackrock, Inc. (11.5%, Schedule 13G/A, filed 2025-07-18), Earnest Partners LLC (7.3%, Schedule 13G/A, filed 2026-05-15), Vanguard Portfolio Management (5.71%, Schedule 13G, filed 2026-04-29) and Vanguard Capital Management (5.19%, Schedule 13G, filed 2026-04-29).
Who are the largest shareholders of Gatx Corp.?
By the share each holder's latest filing reports, the largest holders of Gatx Corp. on this page are Blackrock, Inc. (11.5%), Earnest Partners LLC (7.3%) and Vanguard Portfolio Management (5.71%).
When did Blackrock, Inc. buy into Gatx Corp.?
The filings give report dates, not purchase dates. The earliest filing from Blackrock, Inc. on this page is the Schedule 13G/A, filed 2025-07-18, reporting 11.5%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 7 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Which insiders own Gatx Corp. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- State Farm Mutual Automobile Insurance Co., a 10% owner: 5,641,782 shares (16.2% of shares outstanding), 3,312,294 held directly and 2,329,488 indirectly (Form 4/A, 2024-10-11).
- , a director: 86,862 shares (0.25% of shares outstanding) (Form 4, 2025-02-05).
- , the chief executive and president: 59,641 shares (0.17% of shares outstanding), 56,510 held directly and 3,131 indirectly (Form 4, 2026-11-05).
- , a director: 49,639 shares (0.14% of shares outstanding) (Form 4, 2026-11-04).
- , the chief financial officer and executive vice president: 44,797 shares (0.13% of shares outstanding), 34,361 held directly and 10,436 indirectly (Form 4, 2026-08-07).
Shares outstanding: 34,900,000 as of 2026-09-30, from the company's latest SEC cover page.
How much has Gatx Corp. raised?
Acquisitions reported on Form 8-K, Item 2.01: completed an acquisition (2026-03-03); completed an acquisition (2026-01-05).
Keep reading
More on Gatx Corp. and the records around it.
Gatx Corp. elsewhere on the record
- 5%+ stake filings May 2026
Companies that share a holder
- EARNEST PARTNERS LLC also filed stake reports on 18 other companies: FORMFACTOR INC (Aug 2026), PAPA JOHNS INTERNATIONAL INC (Aug 2026), Sabre Corp (Aug 2026)
- GAMCO INVESTORS, INC. ET AL also filed stake reports on 45 other companies: WESTWOOD HOLDINGS GROUP INC (Nov 2026), NATHANS FAMOUS, INC. (Oct 2026), BEASLEY BROADCAST GROUP INC (Oct 2026)
- Dimensional Fund Advisors LP also filed stake reports on 366 other companies: Acadia Healthcare Co Inc (Oct 2026), ADT Inc (Oct 2026), AGCO Corp (Oct 2026)
Related pages
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