CUSIP: 92764N102 | NYSE | Healthcare · Biotechnology | Small Cap | 682 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 |
|---|---|---|---|---|---|
| 13G/ABlackRock, Inc. | 20,905,681 | 12.4% | New 5%+ stake | Sep 30, 2026 | 92d ahead of 13F (20,678,283 sh) · +227,398 |
| 13D/ARobert Nelsen with Keith Crandell, Clinton Bybee, Arch Venture Fund IX, L.P., +4 more | 13,534,704 | 8.5% | New 5%+ stake | Feb 27, 2026 | No 13F filer matched |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 3,316,968 | $37.1M | 0.0% | Index | Low | Austin, TX | 2026-11-04 | |
| 1,904,758 | $21.3M | 0.0% | Growth | Medium | Carouge, Switzerland | 2026-11-03 | |
| 731,594 | $8.2M | 0.0% | Core | Low | New York, NY | 2026-11-05 | |
| 615,679 | $6.9M | 0.0% | Growth | Medium | Strassen, Netherlands | 2026-11-03 | |
| 607,025 | $6.8M | 0.0% | Core | Low | Des Moines, IA | 2026-11-02 | |
| 224,390 | $2.5M | 0.0% | Core | Medium | Toronto Ontario, Australia | 2026-11-02 | |
| 144,722 | $1.6M | 0.0% | Value | Very High | Hong Kong, South Korea | 2026-10-16 | |
| 134,420 | $1.5M | 0.2% | Agg Growth | High | Incline Village, NV | 2026-10-28 | |
| 127,904 | $1.4K | 0.0% | GARP | Medium | Minneapolis, MN | 2026-11-05 | |
| 126,558 | $1.4K | 0.0% | Core | Very Low | Albany, NY | 2026-10-22 | |
| 123,904 | $1.4M | 0.0% | Growth | Medium | Helsinki, Hungary | 2026-11-05 | |
| 110,000 | $1.2M | 0.0% | Growth | Medium | Vienna, Chile | 2026-10-28 | |
| 105,000 | $1.2M | 0.3% | Yield | Very High | Ellicott City, MD | 2026-11-02 | |
| 100,365 | $1.1M | 0.0% | Index | Very Low | Overland Park, KS | 2026-11-02 | |
| 83,000 | $928 | 0.0% | Deep Value | Medium | Richmond, VA | 2026-11-05 | |
| 75,620 | $845.4K | 0.0% | Core | Medium | New York, NY | 2026-11-04 | |
| 62,997 | $704.3K | 0.0% | Core | Medium | Oak Brook, IL | 2026-11-05 | |
| 55,135 | $616.4K | 0.0% | Core | Medium | Charlotte, NC | 2026-11-04 | |
| 54,100 | $604.8K | 0.0% | Index | Low | Baton Rouge, LA | 2026-10-20 | |
| 45,840 | $512.9K | 0.0% | Core | Medium | Zeist, Philippines | 2026-10-30 | |
| 43,675 | $465.1K | 0.0% | Growth | Medium | Shanghai, France | 2026-10-28 | |
| 43,574 | $487.2K | 0.0% | Core | Low | Trenton, NJ | 2026-11-05 | |
| 43,434 | $485.6K | 0.0% | Growth | Low | Bethesda, MD | 2026-10-29 | |
| 39,218 | $438.5K | 0.0% | Core | Medium | Richmond, VA | 2026-10-28 | |
| 38,043 | $425.3K | 0.0% | Index | Very Low | Phoenix, AZ | 2026-11-03 | |
| 36,061 | $403.2K | 0.0% | Core | Medium | Zurich, Switzerland | 2026-10-16 | |
| 32,791 | $367 | 0.0% | Core | Very Low | New York, NY | 2026-10-23 | |
| 29,902 | $334.3K | 0.0% | Core | Low | Harrisburg, PA | 2026-11-03 | |
| 29,323 | $327.8K | 0.0% | Index | Very Low | Bloomfield Hills, MI | 2026-10-22 | |
| 28,468 | $318.3K | 0.0% | Index | Very Low | Tigard, OR | 2026-10-30 | |
| 26,200 | $292.9K | 0.0% | Core | Medium | Columbus, OH | 2026-10-30 | |
| 26,037 | $291.1K | 0.0% | Index | Very Low | Tokyo, Mexico | 2026-11-05 | |
| 24,507 | $274.0K | 0.0% | Growth | Low | Bethesda, MD | 2026-10-29 | |
| 21,320 | $238 | 0.0% | Core | Very Low | Juneau, AK | 2026-10-15 | |
| 20,431 | $227.2K | 0.0% | Core | Low | Plymouth, MN | 2026-10-13 | |
| 20,000 | $223.6K | 0.0% | Core | High | Zurich, Switzerland | 2026-10-29 | |
| 19,688 | $220.1K | 0.0% | GARP | Low | Mansfield, OH | 2026-10-27 | |
| 17,617 | $197 | 0.0% | Core | Medium | Bountiful, UT | 2026-10-28 | |
| 16,844 | $188.3K | 0.0% | Core | Medium | Charlotte, NC | 2026-10-15 | |
| 14,481 | $161.9K | 0.0% | Index | Low | New York, NY | 2026-10-23 | |
| 12,495 | $139.7K | 0.0% | Index | Very Low | Philadelphia, PA | 2026-11-03 | |
| 11,715 | $131.0K | 0.0% | GARP | Medium | Houston, TX | 2026-11-02 | |
| 10,365 | $116 | 0.0% | ETF | Low | Fairfield, IA | 2026-11-02 | |
| 10,243 | $114.5K | 0.0% | ETF | Very Low | Urbandale, IA | 2026-10-13 | |
| 8,647 | $96.7K | 0.0% | Growth | Low | Seoul, Malaysia | 2026-11-03 | |
| 8,193 | $92 | 0.0% | Core | Medium | Brussels, Czech Republic | 2026-10-22 | |
| 5,815 | $65.0K | 0.0% | Index | Very Low | Foster City, CA | 2026-10-08 | |
| 5,000 | $55 | 0.0% | Growth | Very High | New York, NY | 2026-10-16 | |
| 4,721 | $52.8K | 0.0% | Growth | Very High | Hong Kong, South Korea | 2026-10-29 | |
| 4,504 | $50.4K | 0.0% | Index | Very Low | St. Louis, MO | 2026-10-20 | |
| 4,085 | $45.7K | 0.0% | Agg Growth | Low | Tokyo, Mexico | 2026-10-22 | |
| 3,864 | $43.2K | 0.0% | Core | Very High | Chicago, IL | 2026-11-04 | |
| 3,624 | $40.5K | 0.0% | Agg Growth | Medium | Guangzhou, France | 2026-10-26 | |
| 2,690 | $30.1K | 0.0% | GARP | Low | Phoenix, AZ | 2026-10-02 | |
| 2,663 | $29.8K | 0.0% | GARP | Medium | Charlotte, NC | 2026-10-22 | |
| 1,240 | $13.9K | 0.0% | Growth | Medium | Yardley, PA | 2026-10-14 | |
| 1,210 | $13.5K | 0.0% | Index | Low | Minneapolis, MN | 2026-11-05 | |
| 985 | $11.0K | 0.0% | Core | Medium | Birmingham, AL | 2026-11-04 | |
| 948 | $10.6K | 0.0% | Index | Low | Atlanta, GA | 2026-10-23 | |
| 920 | $10.3K | 0.0% | ETF | Low | Princeton, NJ | 2026-10-19 | |
| 870 | $9.7K | 0.0% | ETF | Very Low | Richmond, VA | 2026-10-29 | |
| 634 | $7.1K | 0.0% | Value | Medium | Rancho Santa Fe, CA | 2026-10-14 | |
| 458 | $5 | 0.0% | Value | High | Chicago, IL | 2026-10-22 | |
| 420 | $4.7K | 0.0% | Growth | Low | St Louis, MO | 2026-11-05 | |
| 397 | $4.4K | 0.0% | Index | Low | San Francisco, CA | 2026-10-08 | |
| 323 | $3.6K | 0.0% | Core | Low | Springfield, MA | 2026-10-05 | |
| 305 | $3.4K | 0.0% | ETF | Medium | Encinitas, CA | 2026-10-21 | |
| 296 | $3.3K | 0.0% | Core | Low | Baltimore, MD | 2026-10-27 | |
| 275 | $3.1K | 0.0% | ETF | Medium | Akron, OH | 2026-10-13 | |
| 210 | $2.3K | 0.0% | ETF | Very Low | Sylvania, OH | 2026-10-26 | |
| 200 | $2.2K | 0.0% | Growth | Medium | Sugar Land, TX | 2026-11-03 | |
| 150 | $1.7K | 0.0% | Growth | Medium | Mclean, VA | 2026-10-30 | |
| 113 | $1.3K | 0.0% | Core | Very Low | Lincoln, NE | 2026-10-22 | |
| 101 | $1.1K | 0.0% | ETF | Very Low | Lake Oswego, OR | 2026-10-15 | |
| 101 | $1.1K | 0.0% | ETF | Medium | Melbourne, FL | 2026-11-05 | |
| 97 | $1.1K | 0.0% | ETF | Very Low | Gap, PA | 2026-11-04 | |
| 80 | $896 | 0.0% | Core | Very Low | Saint Louis, MO | 2026-10-27 | |
| 71 | $794 | 0.0% | Index | Low | San Francisco, CA | 2026-11-03 | |
| 70 | $783 | 0.0% | Growth | N/A | Kansas City, MO | 2026-10-19 | |
| 57 | $637 | 0.0% | Core | Low | Cleveland, OH | 2026-10-20 | |
| 53 | $593 | 0.0% | Growth | Low | Tampa, FL | 2026-10-16 | |
| 51 | $570 | 0.0% | ETF | Low | Concord, CA | 2026-10-21 | |
| 33 | $369 | 0.0% | ETF | Low | Bethlehem, PA | 2026-10-23 | |
| 23 | $0 | 0.0% | Value | High | London, United Kingdom | 2026-10-30 | |
| 12 | $135 | 0.0% | ETF | Very Low | Hermitage, PA | 2026-11-03 | |
| 12 | $135 | 0.0% | Growth | Low | Denver, CO | 2026-10-09 | |
| 10 | $112 | 0.0% | ETF | Low | Hunt Valley, MD | 2026-10-23 | |
| 6 | $67 | 0.0% | Core | Low | Jacksonville, FL | 2026-10-08 |