GATX Corporation
Ownership
Ownership Structure
Who owns GATX Corporation (GATX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.4% of the shares are freely tradable; institutional investors hold 102.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| State Farm Mutual Automobile Ins Co | 15.37 | 5,427,338 | +0.0 | 06/30/2026 |
| BlackRock Inc | 13.16 | 4,645,044 | +3.4 | 06/30/2026 |
| Earnest Partners LLC | 7.24 | 2,556,697 | -2.2 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 5.81 | 2,050,023 | +1.7 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.53 | 1,598,617 | +1.2 | 06/30/2026 |
| Dimensional Fund Advisors, Inc. | 4.32 | 1,525,505 | +3.7 | 06/30/2026 |
| American Century Companies Inc | 3.95 | 1,395,456 | +10.6 | 06/30/2026 |
| State Street Corp | 3.93 | 1,386,474 | +5.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Avantis US Small Cap Value ETF | 4.53 | 1,599,751 | +0.3 | 09/30/2026 |
| iShares Core S&P Mid-Cap ETF | 3.56 | 1,257,421 | +0.0 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Ream James B | Director | 49,639 | 9,466,157 $ | Nov 2, 2026 | direct |
| Yovovich Paul G | Director | 42,554 | 8,115,048 $ | Nov 2, 2026 | direct |
| Arvia Anne L | Director | 34,400 | 6,560,080 $ | Nov 2, 2026 | direct |
| Ellman Thomas A. | EVP & CFO | 34,361 | 6,552,643 $ | Aug 5, 2026 | direct |
| Aigotti Diane | Director | 19,977 | 3,809,614 $ | Nov 2, 2026 | direct |
| Stanley Adam L. | Director | 9,459 | 1,803,831 $ | Nov 2, 2026 | direct |
| Hillesland Kevin | SVP, Structured Finance | 7,212 | 1,375,328 $ | Aug 15, 2026 | direct |
| Sbragia John | SVP, Engineering and Quality | 6,820 | 1,300,574 $ | Aug 15, 2026 | direct |
| Van Aken Jennifer | Sr VP Treasurer & CRO | 5,916 | 1,128,181 $ | Aug 3, 2026 | direct |
| Doygun Eren | SVP Chief Plan. & Invest. Off. | 5,323 | 1,015,096 $ | Aug 26, 2026 | direct |
| Holmes John McClain III | Director | 4,606 | 878,364 $ | Nov 2, 2026 | direct |
| Bausch Shelley J | Director | 4,449 | 848,424 $ | Nov 2, 2026 | direct |
| Wetherbee Robert S | Director | 1,774 | 338,302 $ | Nov 2, 2026 | direct |
| Phillips Geoffrey | Sr. VP, Operations | 1 | 191 $ | Sep 11, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Nov 2, 2026 | Stanley Adam L. | Director | Other | 29 | 180.61 | 5,238 |
| Nov 2, 2026 | Bausch Shelley J | Director | Other | 141 | 180.61 | 25,465 |
| Nov 2, 2026 | Wetherbee Robert S | Director | Other | 128 | 180.61 | 23,117 |
| Nov 2, 2026 | Holmes John McClain III | Director | Other | 142 | 180.61 | 25,646 |
| Nov 2, 2026 | Arvia Anne L | Director | Other | 122 | 180.61 | 22,034 |
| Nov 2, 2026 | Aigotti Diane | Director | Other | 72 | 180.61 | 13,004 |
| Nov 2, 2026 | Ream James B | Director | Other | 169 | 180.61 | 30,522 |
| Nov 2, 2026 | Yovovich Paul G | Director | Other | 134 | 180.61 | 24,201 |
| Sep 11, 2026 | Phillips Geoffrey | Sr. VP, Operations | Sell | 300 | 179.51 | 53,852 |
| Sep 11, 2026 | Phillips Geoffrey | Sr. VP, Operations | Sell | 500 | 178.07 | 89,033 |
| Sep 11, 2026 | Phillips Geoffrey | Sr. VP, Operations | Sell | 1,700 | 177.12 | 301,107 |
| Sep 11, 2026 | Phillips Geoffrey | Sr. VP, Operations | Other | 2,500 | 77.07 | 192,675 |
| Sep 3, 2026 | Phillips Geoffrey | Sr. VP, Operations | Other | 6,472 | 0.00 | – |
| Aug 26, 2026 | Doygun Eren | SVP Chief Plan. & Invest. Off. | Sell | 1,000 | 179.52 | 179,519 |
| Aug 26, 2026 | Doygun Eren | SVP Chief Plan. & Invest. Off. | Other | 1,000 | 77.07 | 77,070 |
| Aug 15, 2026 | Sbragia John | SVP, Engineering and Quality | Other | 47 | 179.63 | 8,442 |
| Aug 15, 2026 | Hillesland Kevin | SVP, Structured Finance | Other | 70 | 179.63 | 12,574 |
| Aug 15, 2026 | Phillips Geoffrey | Sr. VP, Operations | Other | 70 | 179.63 | 12,574 |
| Aug 14, 2026 | Sbragia John | SVP, Engineering and Quality | Sell | 1,900 | 180.40 | 342,759 |
| Aug 14, 2026 | Sbragia John | SVP, Engineering and Quality | Other | 1,900 | 77.07 | 146,433 |
| Aug 5, 2026 | Ellman Thomas A. | EVP & CFO | Sell | 107 | 181.20 | 19,388 |
| Aug 5, 2026 | Ellman Thomas A. | EVP & CFO | Sell | 8,641 | 180.56 | 1,560,225 |
| Aug 5, 2026 | Ellman Thomas A. | EVP & CFO | Sell | 9,452 | 179.62 | 1,697,797 |
| Aug 5, 2026 | Ellman Thomas A. | EVP & CFO | Other | 18,200 | 77.07 | 1,402,674 |
| Aug 3, 2026 | Stanley Adam L. | Director | Other | 28 | 177.91 | 4,982 |
| Aug 3, 2026 | Bausch Shelley J | Director | Other | 142 | 177.91 | 25,264 |
| Aug 3, 2026 | Wetherbee Robert S | Director | Other | 130 | 177.91 | 23,129 |
| Aug 3, 2026 | Holmes John McClain III | Director | Other | 142 | 177.91 | 25,264 |
| Aug 3, 2026 | Arvia Anne L | Director | Other | 118 | 177.91 | 20,994 |
| Aug 3, 2026 | Aigotti Diane | Director | Other | 70 | 177.91 | 12,454 |
| Aug 3, 2026 | Ream James B | Director | Other | 164 | 177.91 | 29,178 |
| Aug 3, 2026 | Yovovich Paul G | Director | Other | 130 | 177.91 | 23,129 |
| Aug 3, 2026 | Van Aken Jennifer | Sr VP Treasurer & CRO | Sell | 328 | 181.23 | 59,442 |
| Aug 3, 2026 | Van Aken Jennifer | Sr VP Treasurer & CRO | Sell | 1,372 | 180.58 | 247,758 |
| Aug 3, 2026 | Van Aken Jennifer | Sr VP Treasurer & CRO | Other | 1,700 | 77.07 | 131,019 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 4, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.