Kezar Life SciencesKZR
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 43 institutions reported holding Kezar Life Sciences Inc. (KZR) in their 13F filings, unchanged from Q4 2025. 10 opened new positions and 10 sold out. The largest holders were BML Capital Management, LLC ($5.3M), Montanova Capital, LLC ($5.3M) and Tang Capital Management LLC ($4.9M). 3 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Kezar Life Sciences Inc.
- CUSIP
- 49372L209
- Latest filing quarter
- Q1 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 10 | $3.1M |
| Exits | 10 | $4.1M |
All 13F filers, Q4 2025 → Q1 2026: 706,706 shares bought and 728,912 shares sold, net −22,206 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 43 holders
| BML Capital Management, LLC | 3.44% | No change | 720,787 | $5.3M |
| Montanova Capital, LLC | 0.14% | No change | 716,759 | $5.3M |
| Tang Capital Management LLC | 0.25% | No change | 664,314 | $4.9M |
| Vanguard Capital Management LLC | 0.00% | — | 290,529 | $2.2M |
| Rangeley Capital, LLC | 1.96% | Add +182.9% | 243,073 | $1.8M |
| Affinity Asset Advisors, LLC | 0.10% | No change | 229,076 | $1.7M |
| Renaissance Technologies | 0.00% | Add +43.5% | 188,426 | $1.4M |
| Acadian Asset Management LLC | 0.00% | Add +20.9% | 151,630 | $1.1M |
| Millennium Management | 0.00% | New | 142,050 | $1.1M |
| Peapod Lane Capital LLC | 0.76% | Reduce -0.0% | 126,692 | $925K |
| Ikarian Capital, LLC | 0.11% | No change | 102,211 | $758K |
| BlackRock, Inc. | 0.00% | Add +1.4% | 100,064 | $742K |
| ADAR1 Capital Management, LLC | 0.04% | Reduce -30.2% | 81,933 | $608K |
| Groupe la Francaise | 0.01% | New | 80,400 | $597K |
| Aldebaran Capital, LLC | 0.46% | Reduce -0.4% | 80,335 | $596K |
| Geode Capital Management, LLC | 0.00% | Reduce -10.5% | 60,988 | $453K |
| Citadel Advisors | 0.00% | New | 59,403 | $441K |
| Credit Industriel Et Commercial | 0.07% | New | 53,600 | $398K |
| Torno Capital, LLC | 0.15% | Add +142.4% | 48,479 | $360K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 41,201 | $306K |
| Dimensional Fund Advisors LP | 0.00% | Add +14.3% | 30,334 | $225K |
| RBF Capital, LLC | 0.01% | No change | 28,144 | $209K |
| State Street Corp. | 0.00% | No change | 27,093 | $201K |
| Yakira Capital Management, Inc. | 0.05% | New | 24,000 | $178K |
| Vazirani Asset Management LLC | 0.38% | Reduce -54.6% | 22,000 | $163K |
| Jane Street Group, LLC | 0.00% | New | 21,367 | $159K |
| Equitec Proprietary Markets, LLC | 0.33% | New | 19,500 | $145K |
| XTX Topco Ltd | 0.00% | New | 19,495 | $145K |
| Boothbay Fund Management, LLC | 0.00% | No change | 16,210 | $120K |
| Northern Trust Corp. | 0.00% | No change | 13,763 | $102K |
| FMR LLC | 0.00% | Add +4807.7% | 10,208 | $76K |
| Wells Fargo & Company | 0.00% | Reduce -0.7% | 5,796 | $43K |
| Morgan Stanley | 0.00% | Reduce -24.6% | 4,285 | $32K |
| NewEdge Advisors, LLC | 0.00% | New | 2,176 | $16K |
| Vanguard Global Advisers, LLC | 0.00% | — | 1,737 | $13K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 308 | $2K |
| Royal Bank of Canada | 0.00% | Add +187.5% | 322 | $2K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -53.5% | 262 | $2K |
| JPMorgan Chase & Co. | 0.00% | No change | 109 | $812 |
| BNP Paribas Financial Markets | 0.00% | No change | 89 | $660 |
| Allworth Financial LP | 0.00% | No change | 50 | $371 |
| UBS Group AG | 0.00% | Reduce -67.5% | 13 | $96 |
| Barclays PLC | 0.00% | No change | 1 | $7 |
"% of holder's portfolio" is KZR's weight in each manager's 13F, not the share of Kezar Life Sciences Inc. the manager owns.