1 institutions reported holding $1.2M of HYDRO ONE LTD F (HRNNF) in SEC 13F filings for 2026-06-30. Largest institutional holders: JOHN G ULLMAN & ASSOCIATES INC ($1.2M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JOHN G ULLMAN & ASSOCIATES INC | $1.2M | 29,700 | Hold |
来源：SEC 13F 申报文件 · 截至 2026-06-30