Kezar Life Sciences Inc
Ownership
Ownership Structure
Who owns Kezar Life Sciences Inc (KZR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 69.9% of the shares are freely tradable; institutional investors hold 61.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Suvretta Capital Management, LLC | 9.70 | 716,759 | +0.0 | 03/31/2026 |
| TANG CAPITAL MANAGEMENT LLC | 8.99 | 664,314 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.93 | 290,529 | +0.0 | 03/31/2026 |
| Affinity Asset Advisors, LLC | 3.10 | 229,076 | +0.0 | 03/31/2026 |
| Renaissance Technologies Corp | 2.55 | 188,426 | +43.5 | 03/31/2026 |
| Acadian Asset Management LLC | 2.05 | 151,630 | +0.0 | 03/31/2026 |
| Ikarian Capital, LLC | 1.38 | 102,211 | +0.0 | 03/31/2026 |
| BlackRock Inc | 1.35 | 100,064 | +1.4 | 03/31/2026 |
| ADAR1 Capital Management LLC | 1.11 | 81,933 | -30.2 | 03/31/2026 |
| Aldebaran Capital LLC | 1.09 | 80,335 | -0.4 | 03/31/2026 |
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: August 13, 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.