GMTA — Gatx Corp Institutional Holders · Q2 2026
Who owns Gatx Corp (GMTA)? 1 institutions reported holding $35,438 in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Simplex Trading, LLC ($35,438).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $35,438 | 200 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30