Security key
G9TY5A101
Zura Bio Ltd - Class A Ordinary Shares, par value $0.0001 per share (ZURA)
CUSIP: G9TY5A101
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Class A Ordinary Shares, par value $0.0001 per share
- Total 13F shares
- 65,775,966
- Total 13F value
- $390,095,333
- Share change
- +20,746,600
- SEC-reported price per share
- $5.95
- Number of holders
- 93
- Value change
- +$123,893,872
- Number of buys
- 58
- Number of sells
- 35
- Shares outstanding
- 99,155,394
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
93
Top holders
10
ZURA full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q4 2025
Zura Bio Ltd SEC filings
Zura Bio Ltd company facts
Broader feeds
Reporting periods
Holder history for CUSIP G9TY5A101
Recent filing periods:
Ownership snapshot
Top reported holders of ZURA - Zura Bio Ltd - Class A Ordinary Shares, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
AI Biotechnology LLC
Disclosed value leader
AI Biotechnology LLC
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G
3/4/5
13F
Lead comparable stake: 18%
13D/G row: AI Biotechnology LLC
Showing 1-6 of 15 holder rows.
Quick read
AI Biotechnology LLC leads the comparable SEC ownership view at 18%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens AI Biotechnology LLC's linked filing trail.
Comparable ownership
Top 5
AI Biotechnology LLC
18%
Athanor Capital
16%
Venrock Healthcare Capital Partne...
9.9%
SUVRETTA CAPITAL MANAGEMENT, LLC
9.9%
RA CAPITAL MANAGEMENT, L.P.
4.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| AI Biotechnology LLC |
13D/G
3/4/5
10%+ Owner
|
18%
|
$103,223,132
19,699,071 shares
|
+$28,154,420 | 26 Feb 2026 |
| Athanor Capital |
13D/G
3/4/5
10%+ Owner
|
16%
|
$60,678,440
11,581,402 shares
|
$0 | 23 Jan 2026 |
| Venrock Healthcare Capital Partners III, L.P. |
13D/G
|
9.9%
|
$59,192,796
9,816,384 shares
|
+$20,882,077 | 31 Mar 2026 |
| SUVRETTA CAPITAL MANAGEMENT, LLC |
13D/G
13F
Company
|
9.9%
|
$57,431,306
9,524,263 shares
|
+$23,862,290 | 31 Mar 2026 |
| RA CAPITAL MANAGEMENT, L.P. |
13D/G
|
4.9%
|
$4,633,204
3,217,503 shares
|
$0 | 31 Dec 2024 |
| PFIZER INC |
13F
13D/G
3/4/5
Company · Pfizer Inc. 13-5315170 · 10%+ Owner
|
4.6%
from 13D/G
|
$15,562,915
2,970,022 shares
|
— | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
93
Shares
65,775,966
Rows available
93
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
74
Q1 2026 holders
93
Holder diff
19
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend