MSEXP — Middlesex Wtr Co Institutional Holders · Q2 2026
Who owns Middlesex Wtr Co (MSEXP)? 2 institutions reported holding $33,696 in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Simplex Trading, LLC ($28,080), Group One Trading LLC ($5,616).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $28,080 | 500 | Trimmed |
| 2 | GROUP ONE TRADING LLC | $5,616 | 100 | New |
Source: SEC Form 13F filings · as of 2026-06-30