4 institutions reported holding $11.2M of H2O America (HTO) in SEC 13F filings for 2026-06-30. Largest institutional holders: Assenagon Asset Management S.A. ($10.9M), GAMMA Investing LLC ($207,165), Versant Capital Management, Inc ($59,555), MassMutual Private Wealth & Trust, FSB ($7,839). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Assenagon Asset Management S.A. | $10.9M | 179,910 | New |
| 2 | GAMMA Investing LLC | $207,165 | 3,409 | Trimmed |
| 3 | Versant Capital Management, Inc | $59,555 | 980 | Added |
| 4 | MassMutual Private Wealth & Trust, FSB | $7,839 | 129 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30