Kezar Life SciencesKZR
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 41 institutions reported holding Kezar Life Sciences Inc. (KZR) in their 13F filings, down 2 from Q4 2024. 5 opened new positions and 6 sold out. The largest holders were Tang Capital Management LLC ($3.5M), Montanova Capital, LLC ($3.5M) and Avidity Partners Management LP ($2.5M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Kezar Life Sciences Inc.
- CUSIP
- 49372L209
- Latest filing quarter
- Q1 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $501K |
| Exits | 6 | $1.3M |
All 13F filers, Q4 2024 → Q1 2025: 480,032 shares bought and 351,798 shares sold, net +128,234 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 41 holders
| Tang Capital Management LLC | 0.19% | No change | 720,000 | $3.5M |
| Montanova Capital, LLC | 0.14% | No change | 716,759 | $3.5M |
| Avidity Partners Management LP | 0.51% | No change | 502,600 | $2.5M |
| BML Capital Management, LLC | 1.61% | Add +738.6% | 408,138 | $2.0M |
| Vanguard Group Inc. | 0.00% | Add +0.8% | 276,228 | $1.3M |
| Orbimed Advisors LLC | 0.02% | No change | 192,700 | $940K |
| ADAR1 Capital Management, LLC | 0.14% | No change | 147,404 | $719K |
| Acadian Asset Management LLC | 0.00% | Reduce -8.3% | 133,525 | $650K |
| Peapod Lane Capital LLC | 0.68% | Add +0.3% | 124,427 | $607K |
| Sphera Funds Management LTD. | 0.13% | No change | 108,473 | $529K |
| Ikarian Capital, LLC | 0.17% | No change | 106,901 | $522K |
| Stonepine Capital Management, LLC | 0.47% | Reduce -9.1% | 100,000 | $488K |
| Renaissance Technologies | 0.00% | Reduce -2.4% | 85,584 | $418K |
| Qiming U.S. Ventures Management, LLC | 1.75% | No change | 82,871 | $404K |
| BlackRock, Inc. | 0.00% | Reduce -0.3% | 82,614 | $403K |
| Geode Capital Management, LLC | 0.00% | Add +1.5% | 67,564 | $330K |
| Shay Capital LLC | 0.10% | Add +14.1% | 67,511 | $329K |
| Two Sigma Advisers, LP | 0.00% | Reduce -35.6% | 64,509 | $315K |
| Bridgeway Capital Management, LLC | 0.01% | New | 41,000 | $200K |
| Dimensional Fund Advisors LP | 0.00% | No change | 32,310 | $158K |
| Two Sigma Investments, LP | 0.00% | Reduce -48.6% | 31,870 | $156K |
| Millennium Management | 0.00% | Reduce -27.6% | 31,380 | $153K |
| RBF Capital, LLC | 0.01% | No change | 28,253 | $138K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -46.1% | 28,178 | $138K |
| Woodline Partners LP | 0.00% | New | 25,555 | $125K |
| State Street Corp. | 0.00% | No change | 21,093 | $103K |
| Boothbay Fund Management, LLC | 0.00% | No change | 20,900 | $102K |
| Squarepoint Ops LLC | 0.00% | New | 20,299 | $99K |
| Clear Harbor Asset Management, LLC | 0.01% | New | 15,805 | $77K |
| FMR LLC | 0.00% | Add +70.3% | 14,305 | $70K |
| Northern Trust Corp. | 0.00% | No change | 13,940 | $68K |
| Morgan Stanley | 0.00% | Reduce -65.0% | 7,211 | $35K |
| Wells Fargo & Company | 0.00% | Reduce -7.7% | 5,703 | $28K |
| UBS Group AG | 0.00% | Reduce -86.3% | 2,040 | $10K |
| Bank of America Corp. | 0.00% | Add +1.2% | 172 | $839 |
| JPMorgan Chase & Co. | 0.00% | Reduce -98.6% | 166 | $810 |
| BNP Paribas Financial Markets | 0.00% | Reduce -11.9% | 96 | $468 |
| CIBC Private Wealth Group LLC | 0.00% | New | 100 | $402 |
| Citigroup Inc. | 0.00% | No change | 51 | $249 |
| Osaic Holdings, Inc. | 0.00% | Reduce -99.2% | 4 | $20 |
| Barclays PLC | 0.00% | No change | 1 | $5 |
"% of holder's portfolio" is KZR's weight in each manager's 13F, not the share of Kezar Life Sciences Inc. the manager owns.