Zura Bio Ltd
ZURA- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001855644
No open-market purchases or sales by Zura Bio Ltd insiders were filed in the last 90 days; 95 institutions reported holding it in 13F filings for Q2 2026, worth $428.9M in total; no superinvestor holds it.
Q4 2025 vs. Q3 2025
How the institutions holding Zura Bio Ltd changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Of which not filed for Q4 2025 | Q4 2025 | Change |
|---|---|---|---|---|
| Holders | 69 | 2 | 75 | +8 |
| Shares | 41.4M | 67.8K | 44.9M | +3.55M (+8.6%) |
| Value | $179.2M | $293.5K | $235.1M | +$56.2M (+31.4%) |
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (22)
Institutions that held Zura Bio Ltd at the end of Q4 2025 but not at the end of Q3 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Siren, L.L.C. | 1,300,000 | $6.81M | 0.20% |
| 683 Capital Management, LLC | 259,165 | $1.36M | 0.11% |
| Seven Fleet Capital Management LP | 166,500 | $872.5K | 0.59% |
| Caption Management, LLC | 155,936 | $817.1K | 0.04% |
| Jump Financial, LLC | 77,700 | $407.1K | 0.01% |
| Omers Administration Corp | 67,200 | $352.1K | 0.00% |
| XTX Topco Ltd | 66,453 | $348.2K | 0.01% |
| Hudson Bay Capital Management LP | 63,084 | $330.6K | 0.00% |
| Dauntless Investment Group, LLC | 61,010 | $319.7K | 1.18% |
| Insigneo Advisory Services, LLC | 55,650 | $291.6K | 0.02% |
| Alps Advisors Inc | 53,389 | $279.8K | 0.00% |
| Boxer Capital Management, LLC | 50,000 | $262.0K | 0.06% |
| ExodusPoint Capital Management, LP | 46,921 | $245.9K | 0.00% |
| Quadrature Capital Ltd | 36,572 | $191.6K | 0.00% |
| Simplex Trading, LLC | 31,161 | $163.3K | 0.00% |
| Dimensional Fund Advisors LP | 23,532 | $123.3K | 0.00% |
| Lighthouse Investment Partners, LLC | 21,660 | $113.5K | 0.00% |
| American Century Companies Inc | 21,383 | $112.0K | 0.00% |
| Bank of Montreal | 10,000 | $52.4K | 0.00% |
| Allworth Financial LP | 5,750 | $30.1K | 0.00% |
| Group One Trading, L.P. | 200 | $1.05K | 0.00% |
| NVWM, LLC | 100 | $524 | 0.00% |
Sold out (14)
Institutions that held Zura Bio Ltd at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Silverarc Capital Management, LLC | 720,452 | $3.12M |
| Ameriprise Financial Inc | 500,000 | $2.17M |
| Atika Capital Management LLC | 276,000 | $1.20M |
| Deep Track Capital, LP | 259,014 | $1.12M |
| DLD Asset Management, LP | 100,000 | $433.0K |
| AQR Capital Management LLC | 44,215 | $191.5K |
| Forefront Wealth Partners, LLC | 21,518 | $93.2K |
| Scientech Research LLC | 10,369 | $44.9K |
| Clear Street Group Inc. | 1,681 | $7.28K |
| Jones Financial Companies LLLP | 1,369 | $3.30K |
| Essential Partners LLC | 292 | $1.26K |
| True Wealth Design, LLC | 78 | $338 |
| EverSource Wealth Advisors, LLC | 24 | $104 |
| Sunbelt Securities, Inc. | 16 | $69 |
Not filed for Q4 2025 yet (2)
Institutions that held Zura Bio Ltd at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Cubist Systematic Strategies, LLC | 49,360 | $213.7K |
| Point72 Asia (Singapore) Pte. Ltd. | 18,422 | $79.8K |