GATX Corporation (GATX) ownership: insiders 11% · institutions 75% · index and ETF funds 26% (13F 2026-03-31). Insider activity, 90 days: 6 sales, 0 open-market buys. 2 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| State Farm Mutual Automobile Insurance Co | 5427338.00 | $926.66M | 15.4% | 2026-03-31 |
| BlackRock | 4493484.00 | $767.22M | 12.7% | 2026-03-31 |
| Vanguard | 3885991.00 | $663.49M | 11.0% | 2026-03-31 |
| Earnest Partners LLC | 2615231.00 | $446.52M | 7.4% | 2026-03-31 |
| Gabelli (GAMCO) | 1946423.00 | $332.33M | 5.5% | 2026-03-31 |
| Dimensional Fund Advisors | 1470483.00 | $251.06M | 4.2% | 2026-03-31 |
| State Street | 1320026.00 | $225.38M | 3.7% | 2026-03-31 |
| American Century | 1261370.00 | $215.37M | 3.6% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-15 | |
| Sell | null | 2026-08-15 | |
| Sell | null | 2026-08-14 | |
| Sell | null | 2026-08-14 | |
| Sell | null | 2026-08-14 | |
| Sell | null | 2026-08-14 | |
| Sell | null | 2026-08-05 | |
| Sell | null | 2026-08-05 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.