Equillium Inc
Ownership
Ownership Structure
Who owns Equillium Inc (EQ)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 58.3% of the shares are freely tradable; institutional investors hold 64.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| HHG PLC | 10.24 | 6,494,571 | +10.8 | 03/31/2026 |
| Decheng Capital LLC | 7.01 | 4,447,308 | +0.0 | 03/31/2026 |
| Affinity Asset Advisors, LLC | 6.47 | 4,100,000 | +234.3 | 06/30/2026 |
| ADAR1 Capital Management LLC | 5.88 | 3,726,659 | -33.5 | 03/31/2026 |
| Aberdeen Group PLC | 5.73 | 3,631,659 | +8.3 | 06/30/2026 |
| Woodline Partners LP | 5.52 | 3,500,901 | +0.0 | 03/31/2026 |
| RA Capital Management, LLC | 4.88 | 3,096,336 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 2.81 | 1,784,472 | +0.0 | 03/31/2026 |
| Balyasny Asset Management LLC | 2.58 | 1,638,770 | -21.1 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| abrdn Life Sciences Investors | 4.83 | 3,065,241 | -15.6 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.