CUSIP: 98973P309 | NYSE | Healthcare · Biotechnology | Micro Cap | 60 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 |
|---|---|---|---|---|---|
| 13DFairmount Funds Management LLC with Fairmount Healthcare Fund II L.P. | 858,789 | 20.0% | New 5%+ stake | Oct 13, 2026 | Not yet in a 13F |
| 13D/APostma Robert W with WaterMill Asset Management Corp. |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 19,291 | $17.0K | 0.0% | Index | Very Low | Boston, MA | 2026-11-06 | |
| 135 | $120 | 0.0% | Core | Medium | Birmingham, AL | 2026-11-04 | |
| 66 | $59 | 0.0% | Core | Low | Tulsa, OK | 2026-10-27 | |
| 24 | $21 | 0.0% | ETF | Low | West Chester, PA | 2026-11-02 | |
| 23 | $20 | 0.0% | Index | Low | Atlanta, GA | 2026-10-23 | |
| 21 | $19 | 0.0% | Growth | Medium | Boca Raton, FL | 2026-10-15 | |
| 20 | $18 | 0.0% | Core | Medium | Birmingham, AL | 2026-10-26 | |
| 10 | $9 | 0.0% | ETF | Low | Atlanta, GA | 2026-10-13 | |
| 9 | $8 | 0.0% | GARP | High | Meridian, ID | 2026-10-22 | |
| 6 | $5 | 0.0% | ETF | Low | Atlanta, GA | 2026-11-09 | |
| 4 | $4 | 0.0% | Growth | Very High | Hong Kong, South Korea | 2026-10-29 | |
| 2 | $2 | 0.0% | ETF | Medium | San Diego, CA | 2026-11-09 |
| 514,691 |
| 10.0% |
| New 5%+ stake |
| Oct 13, 2026 |
| No 13F filer matched |
| 13D/APrice Adrian with Gareth Downing, John Nicholls, Richard Jones, +17 more | 189,061 | 8.6% | Unchanged | Feb 24, 2026 | No 13F filer matched |
| 13D/AAlimenta Holding Inc | 0 | 0.0% | No shares held | Feb 24, 2026 | No 13F filer matched |