ZIONZ — Zions Bancorporation Natl AS Institutional Holders · Q2 2026
Who owns Zions Bancorporation Natl AS (ZIONZ)? 5 institutions reported holding $37.76M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Optiver Holding B.V. ($14.4M), IMC-Chicago, LLC ($10.5M), Simplex Trading, LLC ($8.3M).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Optiver Holding B.V. | $14.4M | 207,800 | Trimmed |
| 2 | IMC-Chicago, LLC | $10.5M | 152,100 | Trimmed |
| 3 | SIMPLEX TRADING, LLC | $8.3M | 119,400 | Added |
| 4 | GROUP ONE TRADING LLC | $4.6M | 66,500 | Added |
| 5 | SG Americas Securities, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30