# KEZAR LIFE SCIENCES INC (KZR)

> Institutional ownership reported to the SEC as of Q1 2026, from Form 13F filings. Source: https://holderbook.com/stocks/KZR/

- Reporting holders: 45
- Reported value: $35.3M
- Held through calls: 3.6%
- Held through puts: 2.2%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [BML Capital Management, LLC](https://holderbook.com/funds/1616824-bml-capital-management-llc/) | $5.3M | 720,787 | 3.4% | 6 |
| [SUVRETTA CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1569064-suvretta-capital-management-llc/) | $5.3M | 716,759 | 0.1% | 6 |
| [TANG CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/1232621-tang-capital-management-llc/) | $4.9M | 664,314 | 0.3% | 6 |
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $2.2M | 290,529 | 0.0% | 1 |
| [Rangeley Capital, LLC](https://holderbook.com/funds/1517796-rangeley-capital-llc/) | $1.8M | 243,073 | 1.8% | 2 |
| [Affinity Asset Advisors, LLC](https://holderbook.com/funds/1773195-affinity-asset-advisors-llc/) | $1.7M | 229,076 | 0.1% | 2 |
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](https://holderbook.com/funds/1446194-susquehanna-international-group-llp/) | $1.5M | 0 | 0.0% | 2 |
| [RENAISSANCE TECHNOLOGIES LLC](https://holderbook.com/funds/1037389-renaissance-technologies-llc/) | $1.4M | 188,426 | 0.0% | 6 |
| [ACADIAN ASSET MANAGEMENT LLC](https://holderbook.com/funds/916542-acadian-asset-management-llc/) | $1.1M | 151,630 | 0.0% | 6 |
| [MILLENNIUM MANAGEMENT LLC](https://holderbook.com/funds/1273087-millennium-management-llc/) | $1.1M | 142,050 | 0.0% | 1 |
| [Peapod Lane Capital LLC](https://holderbook.com/funds/2050979-peapod-lane-capital-llc/) | $924.5K | 126,692 | 0.8% | 6 |
| [Ikarian Capital, LLC](https://holderbook.com/funds/1778253-ikarian-capital-llc/) | $758.4K | 102,211 | 0.1% | 6 |
| [BlackRock, Inc.](https://holderbook.com/funds/2012383-blackrock-inc/) | $742.5K | 100,064 | 0.0% | 6 |
| [TORNO CAPITAL, LLC](https://holderbook.com/funds/1974312-torno-capital-llc/) | $719.4K | 96,958 | 0.0% | 2 |
| [ADAR1 Capital Management, LLC](https://holderbook.com/funds/1940272-adar1-capital-management-llc/) | $607.9K | 81,933 | 0.0% | 7 |
| [Groupe la Francaise](https://holderbook.com/funds/2056088-groupe-la-francaise/) | $596.6K | 80,400 | 0.0% | 1 |
| [Aldebaran Capital, LLC](https://holderbook.com/funds/1448430-aldebaran-capital-llc/) | $596.1K | 80,335 | 0.5% | 2 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $558.0K | 59,403 | 0.0% | 1 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $452.6K | 60,988 | 0.0% | 6 |
| [EQUITEC PROPRIETARY MARKETS, LLC](https://holderbook.com/funds/1143261-equitec-proprietary-markets-llc/) | $426.6K | 19,500 | 0.2% | 1 |
| [CREDIT INDUSTRIEL ET COMMERCIAL](https://holderbook.com/funds/1274419-credit-industriel-et-commercial/) | $397.7K | 53,600 | 0.0% | 1 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $305.7K | 41,201 | 0.0% | 1 |
| [DIMENSIONAL FUND ADVISORS LP](https://holderbook.com/funds/354204-dimensional-fund-advisors-lp/) | $225.1K | 30,334 | 0.0% | 6 |
| [RBF Capital, LLC](https://holderbook.com/funds/1134621-rbf-capital-llc/) | $208.8K | 28,144 | 0.0% | 6 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $201.0K | 27,093 | 0.0% | 6 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q1 2026 | 45 | $35.3M |
| Q4 2025 | 46 | $29.2M |
| Q3 2025 | 40 | $16.6M |
| Q2 2025 | 40 | $20.5M |
| Q1 2025 | 43 | $21.2M |
| Q4 2024 | 44 | $28.3M |
| Q3 2024 | 60 | $31.7M |
| Q2 2024 | 79 | $23.6M |
| Q1 2024 | 84 | $40.6M |
| Q4 2023 | 82 | $47.3M |
| Q3 2023 | 82 | $67.7M |
| Q2 2023 | 104 | $142.8M |