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.
13F holders, Q4 2025
Institutional positions in Zura Bio Ltd as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 75
- +8 vs. Q3 2025
- Shares held
- 44.9M
- +3.55M (+8.6%) vs. Q3 2025
- Total value
- $235.1M
- +$56.2M (+31.4%) vs. Q3 2025
- New holders
- 22
- 25 more added
- Sold out
- 14
- 19 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ZURA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 95 | $428.9M |
| Q1 2026 | 94 | $391.8M |
| Q4 2025 | 75 | $235.1M |
| Q3 2025 | 69 | $179.2M |
| Q2 2025 | 65 | $37.1M |
| Q1 2025 | 74 | $59.0M |
| Q4 2024 | 87 | $107.2M |
| Q3 2024 | 78 | $151.1M |
| Q2 2024 | 57 | $114.9M |
| Q1 2024 | 45 | $37.6M |
| Q4 2023 | 44 | $70.7M |
| Q3 2023 | 41 | $93.3M |
| Q2 2023 | 38 | $105.0M |
| Q1 2023 | 3 | $24.7K |
| Q4 2022 | 35 | $87.4M |
| Q3 2022 | 33 | $84.2M |
| Q2 2022 | 36 | $77.7M |
| Q1 2022 | 34 | $58.1M |
| Q4 2021 | 25 | $48.5M |
| Q3 2021 | 17 | $31.6M |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Zura Bio Ltd; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Suvretta Capital Management, LLC | 5,567,001 | $29.2M | 0.73% | +94,110+1.7% | Added |
| VR Adviser, LLC | 5,345,115 | $28.0M | 1.38% | +713,899+15.4% | Added |
| JPMorgan Chase & Co | 4,472,756 | $23.4M | 0.00% | −151,443−3.3% | Reduced |
| Great Point Partners LLC | 3,815,930 | $20.0M | 6.48% | 00.0% | Unchanged |
| Braidwell LP | 3,180,389 | $16.7M | 0.53% | +707,583+28.6% | Added |
| Pfizer Inc | 2,970,022 | $15.6M | 6.58% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 2,750,000 | $14.4M | 0.02% | −295,444−9.7% | Reduced |
| Affinity Asset Advisors, LLC | 1,813,671 | $9.50M | 0.68% | +539,320+42.3% | Added |
| Armistice Capital, LLC | 1,560,000 | $8.17M | 0.20% | 00.0% | Unchanged |
| Morgan Stanley | 1,509,411 | $7.91M | 0.00% | +1,299,985+620.7% | Added |
| Siren, L.L.C. | 1,300,000 | $6.81M | 0.20% | +1,300,000 | New |
| Millennium Management LLC | 1,032,680 | $5.41M | 0.00% | +442,980+75.1% | Added |
| Marshall Wace, LLP | 877,763 | $4.60M | 0.00% | +610,563+228.5% | Added |
| Ikarian Capital, LLC | 802,322 | $4.20M | 0.54% | −1,330,000−62.4% | Reduced |
| Jane Street Group, LLC | 657,854 | $3.45M | 0.00% | +445,972+210.5% | Added |
| Vanguard Group Inc | 568,118 | $2.98M | 0.00% | +50,974+9.9% | Added |
| ADAR1 Capital Management, LLC | 562,065 | $2.95M | 0.22% | −90,089−13.8% | Reduced |
| FMR LLC | 529,304 | $2.77M | 0.00% | −1,982−0.4% | Reduced |
| UBS Group AG | 470,540 | $2.47M | 0.00% | +165,211+54.1% | Added |
| Two Sigma Investments, LP | 412,423 | $2.16M | 0.00% | +276,120+202.6% | Added |
| Geode Capital Management, LLC | 404,479 | $2.12M | 0.00% | −825−0.2% | Reduced |
| BlackRock, Inc. | 369,365 | $1.94M | 0.00% | +3,691+1.0% | Added |
| Citadel Advisors LLC | 309,157 | $1.62M | 0.00% | +228,629+283.9% | Added |
| Renaissance Technologies LLC | 303,100 | $1.59M | 0.00% | +47,700+18.7% | Added |
| Susquehanna International Group, LLP | 284,097 | $1.49M | 0.00% | +36,350+14.7% | Added |
| Boothbay Fund Management, LLC | 262,283 | $1.37M | 0.04% | −561,795−68.2% | Reduced |
| 683 Capital Management, LLC | 259,165 | $1.36M | 0.11% | +259,165 | New |
| Point72 Asset Management, L.P. | 226,833 | $1.19M | 0.00% | −499,495−68.8% | Reduced |
| Goldman Sachs Group Inc | 216,810 | $1.14M | 0.00% | +135,087+165.3% | Added |
| Seven Fleet Capital Management LP | 166,500 | $872.5K | 0.59% | +166,500 | New |
| State Street Corp | 156,363 | $819.3K | 0.00% | +12,000+8.3% | Added |
| Caption Management, LLC | 155,936 | $817.1K | 0.04% | +155,936 | New |
| Alberta Investment Management Corp | 133,200 | $698.0K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 117,995 | $618.3K | 0.01% | 00.0% | Unchanged |
| Northern Trust Corp | 100,836 | $528.4K | 0.00% | +14,399+16.7% | Added |
| Two Sigma Advisers, LP | 80,400 | $421.3K | 0.00% | −38,700−32.5% | Reduced |
| Jump Financial, LLC | 77,700 | $407.1K | 0.01% | +77,700 | New |
| RBF Capital, LLC | 68,193 | $357.3K | 0.02% | −11,807−14.8% | Reduced |
| Omers Administration Corp | 67,200 | $352.1K | 0.00% | +67,200 | New |
| XTX Topco Ltd | 66,453 | $348.2K | 0.01% | +66,453 | New |
| Hudson Bay Capital Management LP | 63,084 | $330.6K | 0.00% | +63,084 | New |
| Dauntless Investment Group, LLC | 61,010 | $319.7K | 1.18% | +61,010 | New |
| Qube Research & Technologies Ltd | 59,869 | $313.7K | 0.00% | +27,931+87.5% | Added |
| Insigneo Advisory Services, LLC | 55,650 | $291.6K | 0.02% | +55,650 | New |
| Alps Advisors Inc | 53,389 | $279.8K | 0.00% | +53,389 | New |
| Acadian Asset Management LLC | 52,040 | $271.0K | 0.00% | −13,860−21.0% | Reduced |
| Boxer Capital Management, LLC | 50,000 | $262.0K | 0.06% | +50,000 | New |
| Barclays PLC | 48,661 | $255.0K | 0.00% | +48,659+2,432,950.0% | Added |
| ExodusPoint Capital Management, LP | 46,921 | $245.9K | 0.00% | +46,921 | New |
| Citigroup Inc | 39,759 | $208.3K | 0.00% | +39,702+69,652.6% | Added |
| Mariner, LLC | 36,616 | $191.9K | 0.00% | −2,148−5.5% | Reduced |
| Quadrature Capital Ltd | 36,572 | $191.6K | 0.00% | +36,572 | New |
| Squarepoint Ops LLC | 33,801 | $177.1K | 0.00% | +8,680+34.6% | Added |
| Simplex Trading, LLC | 31,161 | $163.3K | 0.00% | +31,161 | New |
| Raymond James Financial Inc | 26,509 | $138.9K | 0.00% | −50,100−65.4% | Reduced |
| Dimensional Fund Advisors LP | 23,532 | $123.3K | 0.00% | +23,532 | New |
| Lighthouse Investment Partners, LLC | 21,660 | $113.5K | 0.00% | +21,660 | New |
| American Century Companies Inc | 21,383 | $112.0K | 0.00% | +21,383 | New |
| Forefront Analytics, LLC | 19,577 | $102.6K | 0.09% | −1,941−9.0% | Reduced |
| BNP Paribas Arbitrage, SA | 18,758 | $98.3K | 0.00% | +8,066+75.4% | Added |
| Abel Hall, LLC | 13,190 | $69.1K | 0.02% | 00.0% | Unchanged |
| Bank of Montreal | 10,000 | $52.4K | 0.00% | +10,000 | New |
| Tower Research Capital LLC (TRC) | 8,280 | $43.4K | 0.00% | +8,094+4,351.6% | Added |
| Allworth Financial LP | 5,750 | $30.1K | 0.00% | +5,750 | New |
| Bank of America Corp | 4,393 | $23.0K | 0.00% | −6,826−60.8% | Reduced |
| MAI Capital Management | 4,000 | $21.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 2,158 | $11.0K | 0.00% | +1,705+376.4% | Added |
| Steward Partners Investment Advisory, LLC | 1,000 | $5.24K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 702 | $3.68K | 0.00% | −504−41.8% | Reduced |
| Group One Trading, L.P. | 200 | $1.05K | 0.00% | +200 | New |
| CWM, LLC | 142 | $1.00K | 0.00% | −696−83.1% | Reduced |
| SBI Securities Co., Ltd. | 138 | $723 | 0.00% | −1,368−90.8% | Reduced |
| NVWM, LLC | 100 | $524 | 0.00% | +100 | New |
| SRS Capital Advisors, Inc. | 24 | $126 | 0.00% | −12−33.3% | Reduced |
| Optiver Holding B.V. | 16 | $84 | 0.00% | 00.0% | Unchanged |
| Silverarc Capital Management, LLC | 0 | $0 | 0.00% | −720,452−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Atika Capital Management LLC | 0 | $0 | 0.00% | −276,000−100.0% | Sold out |
| Deep Track Capital, LP | 0 | $0 | 0.00% | −259,014−100.0% | Sold out |
| DLD Asset Management, LP | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −44,215−100.0% | Sold out |
| Forefront Wealth Partners, LLC | 0 | $0 | 0.00% | −21,518−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −10,369−100.0% | Sold out |
| Clear Street Group Inc. | 0 | $0 | 0.00% | −1,681−100.0% | Sold out |
| Jones Financial Companies LLLP | 0 | $0 | 0.00% | −1,369−100.0% | Sold out |
| Essential Partners LLC | 0 | $0 | 0.00% | −292−100.0% | Sold out |
| True Wealth Design, LLC | 0 | $0 | 0.00% | −78−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Sunbelt Securities, Inc. | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |