1 institutions reported holding $59 of SOLARWINDOW TECHNOLOGIES INC (WNDW) in SEC 13F filings for 2026-06-30. Largest institutional holders: Winch Advisory Services, LLC ($59). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Winch Advisory Services, LLC | $59 | 216 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30