CUSIP: 45175G108 | 147 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/AOrbimed Advisors LLC with Orbimed Capital GP VI LLC, OrbiMed Genesis GP LLC, Orbimed Capital LLC | 1,495,045 | 13.1% | New 5%+ stake | Apr 14, 2026 | 3,539,358 sh (Jun 30, 2025) |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 5,018,178 | $6.7M | 1.0% | GARP | Medium | Cambridge, MA | 2025-08-12 | |
| 4,091,118 | $5.5M | 1.8% | Yield | High | New York, NY | 2025-08-11 | |
| 4,030,102 | $5.4M | 4.1% | Yield | Medium | Zionsville, IN | 2025-08-11 | |
| 4,006,564 | $5.4M | 0.2% | Core | Medium | San Francisco, CA | 2025-08-14 | |
| 3,539,358 | $4.7M | 0.1% | Growth | Medium | New York, NY | 2025-08-14 | |
| 2,515,513 | $3.4M | 0.1% | Core | High | Greenwich, CT | 2025-08-14 | |
| 2,249,123 | $3.0M | 2.0% | GARP | Low | Boston, MA | 2025-08-14 | |
| 1,413,649 | $1.9M | 0.0% | N/A | N/A | Valley Forge, PA | 2025-08-11 | |
| 800,000 | $1.1M | 0.0% | Core | Medium | Boston, MA | 2025-08-14 | |
| 600,063 | $804.1K | 0.1% | Deep Value | Low | Timonium, MD | 2025-08-14 | |
| 382,616 | $512.7K | 0.0% | Yield | High | Menlo Park, CA | 2025-08-14 | |
| 357,936 | $479.6K | 0.0% | Index | Very Low | New York, NY | 2025-08-12 | |
| 348,534 | $467.1K | 0.0% | Deep Value | Very Low | Foster City, CA | 2025-08-14 | |
| 308,856 | $413.9K | 0.0% | Core | High | New York, NY | 2025-08-13 | |
| 307,972 | $412.8K | 0.0% | Index | Very Low | Boston, MA | 2025-08-08 | |
| 242,116 | $324.4K | 0.3% | Value | Low | Carmel, IN | 2025-08-12 | |
| 209,568 | $278 | 0.0% | GARP | Medium | Boston, MA | 2025-08-07 | |
| 198,107 | $265.5K | 0.0% | Core | High | Florham Park, NJ | 2025-08-14 | |
| 158,215 | $212.0K | 0.0% | Core | Very High | Miami, FL | 2025-08-14 | |
| 153,300 | $205.4K | 0.0% | Deep Value | Medium | Houston, TX | 2025-08-14 | |
| 144,100 | $193.1K | 0.0% | Growth | High | New York, NY | 2025-08-14 | |
| 92,153 | $123.5K | 0.0% | Index | Very Low | Boston, MA | 2025-08-14 | |
| 84,680 | $113.5K | 0.0% | GARP | Very High | New York, NY | 2025-08-27 | |
| 74,661 | $100.0K | 0.0% | Core | Medium | Zurich, Switzerland | 2025-08-14 | |
| 66,664 | $89.3K | 0.0% | Core | Medium | New York, NY | 2025-08-14 | |
| 66,177 | $88.7K | 0.0% | Core | Medium | London, United Kingdom | 2026-02-27 | |
| 58,957 | $79.0K | 0.0% | Value | High | New York, NY | 2025-08-14 | |
| 57,565 | $77.1K | 0.0% | Index | Very Low | Chicago, IL | 2025-08-13 | |
| 49,315 | $66.1K | 0.0% | Core | Very High | New York, NY | 2025-08-14 | |
| 38,621 | $51.8K | 0.0% | Index | Low | Austin, TX | 2025-08-12 | |
| 27,416 | $36.7K | 0.0% | Core | Low | New York, NY | 2025-08-14 | |
| 20,000 | $26.8K | 0.0% | Value | Very Low | Wilkes Barre, PA | 2025-08-13 | |
| 16,999 | $22.8K | 0.0% | Value | Very High | London, United Kingdom | 2025-08-12 | |
| 16,000 | $21.0K | 0.0% | Core | Low | Toronto, Australia | 2025-11-21 | |
| 13,141 | $17.6K | 0.0% | Growth | High | Bala Cynwyd, PA | 2025-08-14 | |
| 2,275 | $3.0K | 0.0% | GARP | Very High | New York, NY | 2025-08-15 | |
| 849 | $1.1K | 0.0% | Growth | Medium | New York, NY | 2025-08-12 | |
| 547 | $733 | 0.0% | Core | Low | Charlotte, NC | 2025-08-14 | |
| 500 | $670 | 0.0% | Core | Low | San Francisco, CA | 2025-08-14 | |
| 315 | $422 | 0.0% | Core | Medium | Paris, India | 2025-08-14 | |
| 3 | $4 | 0.0% | Agg Growth | Low | Tokyo, Mexico | 2025-08-08 | |
| 0 | $0 | 0.0% | Growth | Very Low | Birmingham, AL | 2025-08-12 |