CUSIP: 963025606 | 52 institutional holders
5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.
| Holder | Shares | % of Class | Change | Event Date | vs 13F |
|---|---|---|---|---|---|
| 13D/AAmster Howard with Howard Amster 2019 Charitable Remainder Unitrust 1 U/A DTD 05/20/2019, Howard Amster 2019 Charitable Remainder Unitrust 3 U/A DTD 05/20/2019, Howard Amster Foundation, +1 more | 371,449 | 23.5% | New 5%+ stake | Jan 30, 2026 | No 13F filer matched |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
Cable Car Capital, LPActivist | 43,315 | $1.2M | 0.0% | Growth | Medium | San Francisco, CA | 2025-02-14 |