Latest Period
Q4 2025
Security Snapshot
Zura Bio Ltd - Class A Ordinary Shares, par value $0.0001 per share (ZURA) Institutional Ownership
CUSIP: G9TY5A101
13F Institutional Holders and Ownership History from Q1 2023 to Q1 2026
Institutions Reporting
74
Shares (Excl. Options)
44,873,374
Price
$5.24
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- Type / Class
- Equity / Class A Ordinary Shares, par value $0.0001 per share
- Symbol
- ZURA on Nasdaq
- Shares outstanding
- 96,204,677
- Price per share
- $6.03
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 44,873,374
- Total reported value
- $235,135,504
- % of total 13F portfolios
- 0%
- Share change
- +3,639,604
- Value change
- +$20,833,671
- Number of holders
- 74
- Price from insider filings
- $6.03
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- ZURA - Zura Bio Ltd - Class A Ordinary Shares, par value $0.0001 per share is tracked under CUSIP G9TY5A101.
- 74 institutions reported positions in Q4 2025.
- 10 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 74 to 21 between Q4 2025 and Q1 2026.
- Reported value moved from $235,135,504 to $26,761,098.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 74 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP G9TY5A101?
CUSIP G9TY5A101 identifies ZURA - Zura Bio Ltd - Class A Ordinary Shares, par value $0.0001 per share in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G9TY5A101:
Significant Owners of Zura Bio Ltd - Class A Ordinary Shares, par value $0.0001 per share (ZURA) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| AI Biotechnology LLC | 18% | -8.5% | $103,223,132 | +$28,154,420 | 19,699,071 | +38% | AI Biotechnology LLC | 26 Feb 2026 |
| Athanor Capital | 16% | 0% | $60,678,440 | 11,581,402 | 0% | Athanor Capital | 23 Jan 2026 | |
| SUVRETTA CAPITAL MANAGEMENT, LLC | 9.9% | +14% | $57,431,306 | +$23,862,290 | 9,524,263 | +71% | Suvretta Capital Management, LLC | 31 Mar 2026 |
| Venrock Healthcare Capital Partners III, L.P. | 9.9% | 0% | $8,322,892 | -$888,073 | 6,353,353 | -9.6% | Venrock Healthcare Capital Partners III, L.P. | 30 Jun 2025 |
| JPMORGAN CHASE & CO | 4.7% | -35% | $26,962,035 | -$1,212,633 | 4,471,316 | -4.3% | JPMORGAN CHASE & CO | 30 Apr 2026 |
| GREAT POINT PARTNERS LLC | 5.2% | -12% | $19,995,473 | 3,815,930 | 0% | Great Point Partners, LLC | 31 Dec 2025 | |
| RA CAPITAL MANAGEMENT, L.P. | 4.9% | $4,633,204 | 3,217,503 | RA Capital Management, L.P. | 31 Dec 2024 | |||
| PFIZER INC | 4.6% | $4,276,832 | 2,970,022 | Pfizer Inc. 13-5315170 | 31 Dec 2024 | |||
| ADAR1 Capital Management, LLC | 3.2% | $2,991,241 | 2,077,251 | ADAR1 Capital Management, LLC | 31 Dec 2024 | |||
| Deep Track Capital, LP | 0.4% | -96% | $1,121,531 | -$18,867,975 | 259,014 | -94% | Deep Track Capital, LP | 30 Sep 2025 |
As of 31 Dec 2025, 74 institutional investors reported holding 44,873,374 shares of Zura Bio Ltd - Class A Ordinary Shares, par value $0.0001 per share (ZURA). This represents 47% of the company’s total 96,204,677 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Zura Bio Ltd - Class A Ordinary Shares, par value $0.0001 per share (ZURA) together control 44% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| SUVRETTA CAPITAL MANAGEMENT, LLC | 5.8% | 5,567,001 | +1.7% | 0.73% | $29,171,085 |
| VR ADVISER, LLC | 5.6% | 5,345,115 | +15% | 1.4% | $28,008,403 |
| JPMORGAN CHASE & CO | 4.6% | 4,472,756 | -3.3% | 0% | $23,437,241 |
| GREAT POINT PARTNERS LLC | 4% | 3,815,930 | 0% | 6.5% | $19,995,473 |
| BRAIDWELL LP | 3.3% | 3,180,389 | +29% | 0.53% | $16,665,238 |
| Pfizer Inc | 3.1% | 2,970,022 | 0% | 6.6% | $15,562,915 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 2.9% | 2,750,000 | -9.7% | 0.02% | $14,410,000 |
| Affinity Asset Advisors, LLC | 1.9% | 1,813,671 | +42% | 0.68% | $9,503,636 |
| ARMISTICE CAPITAL, LLC | 1.6% | 1,560,000 | 0% | 0.2% | $8,174,400 |
| MORGAN STANLEY | 1.6% | 1,509,411 | +621% | 0% | $7,909,314 |
| Siren, L.L.C. | 1.4% | 1,300,000 | 0.2% | $6,812,000 | |
| MILLENNIUM MANAGEMENT LLC | 1.1% | 1,032,680 | +75% | 0% | $5,411,243 |
| MARSHALL WACE, LLP | 0.91% | 877,763 | 0% | $4,599,478 | |
| Ikarian Capital, LLC | 0.83% | 802,322 | -62% | 0.55% | $4,204,167 |
| JANE STREET GROUP, LLC | 0.68% | 657,854 | +210% | 0% | $3,447,155 |
| VANGUARD GROUP INC | 0.59% | 568,118 | +9.9% | 0% | $2,976,938 |
| ADAR1 Capital Management, LLC | 0.58% | 562,065 | -14% | 0.22% | $2,945,221 |
| FMR LLC | 0.55% | 529,304 | -0.37% | 0% | $2,773,553 |
| UBS Group AG | 0.49% | 470,540 | +54% | 0% | $2,465,629 |
| TWO SIGMA INVESTMENTS, LP | 0.43% | 412,423 | +203% | 0% | $2,161,097 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.42% | 404,479 | -0.2% | 0% | $2,120,240 |
| BlackRock, Inc. | 0.38% | 369,365 | +1% | 0% | $1,935,472 |
| CITADEL ADVISORS LLC | 0.32% | 309,157 | +284% | 0% | $1,619,983 |
| RENAISSANCE TECHNOLOGIES LLC | 0.32% | 303,100 | +19% | 0% | $1,588,244 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.3% | 284,097 | +15% | 0% | $1,488,668 |
Institutional Holders of Zura Bio Ltd - Class A Ordinary Shares, par value $0.0001 per share (ZURA) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 4,509,296 | $26,761,098 | -$3,892,476 | $5.95 | 21 |
| 2025 Q4 | 44,873,374 | $235,135,504 | +$20,833,671 | $5.24 | 74 |
| 2025 Q3 | 41,126,986 | $178,078,060 | +$26,729,478 | $4.33 | 65 |
| 2025 Q2 | 35,347,572 | $37,112,793 | -$12,588,212 | $1.05 | 62 |
| 2025 Q1 | 45,725,666 | $58,985,346 | +$1,915,127 | $1.29 | 74 |
| 2024 Q4 | 42,890,401 | $107,244,382 | -$472,426 | $2.50 | 87 |
| 2024 Q3 | 37,204,097 | $151,039,161 | +$13,196,426 | $4.06 | 77 |
| 2024 Q2 | 32,818,331 | $114,851,034 | +$63,732,200 | $3.50 | 55 |
| 2024 Q1 | 14,795,561 | $37,551,435 | -$1,318,315 | $2.57 | 43 |
| 2023 Q4 | 15,148,165 | $70,695,884 | +$2,995,975 | $4.67 | 43 |
| 2023 Q3 | 14,140,309 | $93,326,247 | +$8,351,323 | $6.60 | 41 |
| 2023 Q2 | 12,843,918 | $105,028,129 | +$104,999,517 | $8.20 | 38 |
| 2023 Q1 | 25,742 | $24,692 | +$24,692 | $10.00 | 3 |