CUSIP: 98937L105 | NYSE | Healthcare · Biotechnology | Small Cap | 228 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 |
|---|---|---|---|---|---|
| 13GBlackRock, Inc. | 3,287,021 | 5.0% | New 5%+ stake | Sep 30, 2026 | 92d ahead of 13F (2,686,225 sh) · +600,796 |
| 13GWellington Management Group LLP | 6,566,134 | 10.1% |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 654,833 | $17.7M | 0.1% | Growth | Medium | Strassen, Netherlands | 2026-11-03 | |
| 99,186 | $2.7M | 0.0% | Core | Low | New York, NY | 2026-11-05 | |
| 86,369 | $2.3M | 0.0% | Yield | Low | Denver, CO | 2026-11-03 | |
| 72,070 | $1.9M | 0.0% | Core | Medium | New York, NY | 2026-11-04 | |
| 54,777 | $1.5K | 0.0% | Growth | Medium | Quebec, Austria | 2026-10-29 | |
| 23,584 | $636.1K | 0.1% | Growth | Medium | Mount Pleasant, SC | 2026-11-04 | |
| 15,970 | $430.7K | 0.0% | Growth | Low | Bethesda, MD | 2026-10-29 | |
| 15,650 | $422.1K | 0.0% | Index | Very Low | Overland Park, KS | 2026-11-02 | |
| 11,892 | $318.2K | 0.0% | Growth | Medium | Shanghai, France | 2026-10-28 | |
| 8,874 | $239.3K | 0.0% | Index | Low | Austin, TX | 2026-11-04 | |
| 8,665 | $233.7K | 0.0% | Core | Low | Trenton, NJ | 2026-11-05 | |
| 7,575 | $204.3K | 0.0% | Index | Very Low | Phoenix, AZ | 2026-11-03 | |
| 3,331 | $89.8K | 0.0% | Growth | Low | Seoul, Malaysia | 2026-11-03 | |
| 2,500 | $67.4K | 0.0% | Growth | High | Fort Myers, FL | 2026-11-04 | |
| 1,237 | $33.4K | 0.0% | Agg Growth | Medium | Guangzhou, France | 2026-10-26 | |
| 1,190 | $32.1K | 0.0% | GARP | Medium | Charlotte, NC | 2026-10-22 | |
| 1,168 | $31.5K | 0.0% | Index | Low | Atlanta, GA | 2026-10-23 | |
| 1,098 | $29.6K | 0.0% | Growth | Very High | Hong Kong, South Korea | 2026-10-29 | |
| 950 | $25.6K | 0.0% | ETF | Low | New York, NY | 2026-11-03 | |
| 710 | $19.1K | 0.0% | Index | Very Low | St. Louis, MO | 2026-10-20 | |
| 650 | $17.5K | 0.0% | Core | Medium | Orchard Park, NY | 2026-11-05 | |
| 545 | $14.7K | 0.0% | Growth | Low | St Louis, MO | 2026-11-05 | |
| 338 | $9.1K | 0.0% | Core | Medium | Birmingham, AL | 2026-11-04 | |
| 297 | $8.0K | 0.0% | Index | Very Low | Foster City, CA | 2026-10-08 | |
| 95 | $2.6K | 0.0% | ETF | Very Low | Gap, PA | 2026-11-04 | |
| 95 | $2.6K | 0.0% | ETF | Medium | San Diego, CA | 2026-10-29 | |
| 75 | $2.0K | 0.0% | ETF | Low | Overland Park, KS | 2026-10-14 | |
| 67 | $1.8K | 0.0% | ETF | Medium | Midvale, UT | 2026-10-20 | |
| 63 | $1.7K | 0.0% | ETF | Low | Hunt Valley, MD | 2026-10-23 | |
| 40 | $1.1K | 0.0% | Core | Very Low | Saint Louis, MO | 2026-10-27 | |
| 29 | $782 | 0.0% | ETF | Medium | Scottsdale, AZ | 2026-10-14 | |
| 13 | $0 | 0.0% | Value | High | London, United Kingdom | 2026-10-30 | |
| 12 | $324 | 0.0% | ETF | Medium | Southfield, MI | 2026-10-08 | |
| 3 | $81 | 0.0% | ETF | Very Low | Sylvania, OH | 2026-10-26 | |
| 2 | $54 | 0.0% | Value | Medium | Rancho Santa Fe, CA | 2026-10-14 | |
| 1 | $29 | 0.0% | ETF | Low | Herndon, VA | 2026-10-30 | |
| 1 | $27 | 0.0% | Index | Low | San Francisco, CA | 2026-10-08 |
| New 5%+ stake |
| Aug 31, 2026 |
| 62d ahead of 13F (1,593,819 sh) · +4,972,315 |
| 13G/AOcean Prominent Limited | 7,000,000 | 10.4% | New 5%+ stake | Aug 26, 2026 | No 13F filer matched |
| 13D/AEnavate Sciences GP, LLC | 3,245,404 | 4.9% | −673,755 | Aug 19, 2026 | 50d ahead of 13F (3,919,159 sh) · −673,755 |
| 13D/ASR One Capital Management, LLC with SR One Capital Fund II Aggregator, LP, SR One Capital Partners II, LP, Amzl, LP, +3 more | 5,037,854 | 7.7% | Unchanged | Aug 13, 2026 | No 13F filer matched |
| 13DMoulder Leon O JR with Tellus BioVentures, LLC, Leon O. Moulder, Jr. Revocable Trust U/A dtd 9/9/2008 | 3,220,880 | 5.1% | +190,959 | Apr 29, 2026 | No 13F filer matched |
| 13D/ASimeon George with SR One Capital Partners II, LP, SR One Capital Fund II Aggregator, LP, SR One Capital SMA Partners, LP, +2 more | 5,037,854 | 9.4% | New 5%+ stake | Oct 9, 2025 | No 13F filer matched |
| 13D/APatrick G. Enright with Juliet Tammenoms Bakker, Longitude Capital Partners IV, LLC, Longitude Venture Partners IV, L.P., +2 more | 2,631,522 | 4.9% | Newly reported | Oct 9, 2025 | No 13F filer matched |