Kezar Life SciencesKZR
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 39 institutions reported holding Kezar Life Sciences Inc. (KZR) in their 13F filings, down 1 from Q2 2025. 3 opened new positions and 4 sold out. The largest holders were BML Capital Management, LLC ($2.8M), Tang Capital Management LLC ($2.8M) and Montanova Capital, LLC ($2.8M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies'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 Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $253K |
| Exits | 4 | $2.7M |
All 13F filers, Q2 2025 → Q3 2025: 405,323 shares bought and 640,543 shares sold, net −235,220 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 39 holders
| BML Capital Management, LLC | 2.59% | Add +13.5% | 720,787 | $2.8M |
| Tang Capital Management LLC | 0.11% | No change | 720,000 | $2.8M |
| Montanova Capital, LLC | 0.08% | No change | 716,759 | $2.8M |
| Stonepine Capital Management, LLC | 1.21% | Add +125.6% | 383,182 | $1.5M |
| Vanguard Group Inc. | 0.00% | Reduce -2.9% | 268,166 | $1.0M |
| Orbimed Advisors LLC | 0.02% | No change | 192,700 | $752K |
| Acadian Asset Management LLC | 0.00% | No change | 133,525 | $519K |
| Peapod Lane Capital LLC | 0.44% | Add +9.3% | 125,773 | $491K |
| ADAR1 Capital Management, LLC | 0.05% | Reduce -15.2% | 124,967 | $487K |
| Renaissance Technologies | 0.00% | Add +32.8% | 115,885 | $452K |
| Ikarian Capital, LLC | 0.08% | No change | 106,901 | $417K |
| BlackRock, Inc. | 0.00% | Add +0.4% | 98,103 | $383K |
| Qiming U.S. Ventures Management, LLC | 0.58% | No change | 82,871 | $323K |
| Shay Capital LLC | 0.05% | No change | 67,661 | $264K |
| Geode Capital Management, LLC | 0.00% | Add +0.6% | 65,502 | $256K |
| Two Sigma Advisers, LP | 0.00% | Reduce -0.7% | 54,261 | $212K |
| Bridgeway Capital Management, LLC | 0.00% | No change | 41,000 | $160K |
| Bluefin Capital Management, LLC | 0.07% | New | 33,610 | $131K |
| RBF Capital, LLC | 0.01% | No change | 28,253 | $110K |
| Two Sigma Investments, LP | 0.00% | Reduce -4.8% | 23,682 | $92K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -22.5% | 23,231 | $91K |
| State Street Corp. | 0.00% | No change | 21,093 | $82K |
| Boothbay Fund Management, LLC | 0.00% | No change | 20,900 | $82K |
| Citadel Advisors | 0.00% | New | 18,221 | $71K |
| Northern Trust Corp. | 0.00% | No change | 13,940 | $54K |
| Landscape Capital Management, L.L.C. | 0.00% | New | 13,042 | $51K |
| FMR LLC | 0.00% | Reduce -61.5% | 8,732 | $34K |
| Morgan Stanley | 0.00% | Reduce -10.0% | 7,820 | $30K |
| Wells Fargo & Company | 0.00% | Add +1.7% | 5,846 | $23K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +718.6% | 1,187 | $5K |
| Global Retirement Partners, LLC | 0.00% | No change | 1,000 | $4K |
| UBS Group AG | 0.00% | Add +768.3% | 356 | $1K |
| JPMorgan Chase & Co. | 0.00% | No change | 209 | $815 |
| Bank of America Corp. | 0.00% | Reduce -32.8% | 121 | $472 |
| CIBC Private Wealth Group LLC | 0.00% | No change | 100 | $390 |
| BNP Paribas Financial Markets | 0.00% | No change | 96 | $374 |
| Osaic Holdings, Inc. | 0.00% | No change | 90 | $323 |
| Citigroup Inc. | 0.00% | No change | 51 | $199 |
| Barclays PLC | 0.00% | No change | 1 | $4 |
"% of holder's portfolio" is KZR's weight in each manager's 13F, not the share of Kezar Life Sciences Inc. the manager owns.