SJW — H2O America Institutional Holders · Q2 2026
Who owns H2O America (SJW)? 2 institutions reported holding $48,616 in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Simplex Trading, LLC ($36,462), Group One Trading LLC ($12,154).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $36,462 | 600 | Trimmed |
| 2 | GROUP ONE TRADING LLC | $12,154 | 200 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30