Latest Period
Q1 2026
CUSIP: G9TY5A101
Latest Period
Q1 2026
Institutions Reporting
93
Shares (Excl. Options)
65,775,966
Price
$5.95
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.
Latest holder context comes from 93 institutions filings for Q1 2026.
Security key
G9TY5A101
Latest holder period
Q1 2026
13F holders
93
13D/G owners
10
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP G9TY5A101:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| 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 | |
| Venrock Healthcare Capital Partners III, L.P. | 9.9% | 0% | $59,192,796 | +$20,882,077 | 9,816,384 | +55% | Venrock Healthcare Capital Partners III, L.P. | 31 Mar 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 |
| 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 | 4.4% | -15% | $25,422,058 | +$2,412,000 | 4,215,930 | +10% | Great Point Partners, LLC | 31 Mar 2026 |
| 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 Mar 2026, 93 institutional investors reported holding 65,775,966 shares of Zura Bio Ltd - Class A Ordinary Shares, par value $0.0001 per share (ZURA). This represents 66% of the company’s total 99,155,394 outstanding shares.
13F concentration
Largest 13F positions for this security by reported shares and value.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| SUVRETTA CAPITAL MANAGEMENT, LLC | 9.1% | 9,067,001 | +63% | 1.5% | $53,948,656 |
| Venrock Adviser, LLC | 6.5% | 6,434,990 | +20% | 1.4% | $38,288,191 |
| JPMORGAN CHASE & CO | 4.5% | 4,458,851 | -0.31% | 0% | $25,326,274 |
| GREAT POINT PARTNERS LLC | 4.3% | 4,215,930 | +10% | 6.1% | $25,084,784 |
| BRAIDWELL LP | 4% | 3,988,989 | +25% | 0.79% | $23,734,485 |
| Siren, L.L.C. | 3.8% | 3,734,866 | +187% | 0.62% | $22,222,453 |
| Commodore Capital LP | 3.3% | 3,250,000 | 1.1% | $19,337,500 | |
| Pfizer Inc | 2.9% | 2,838,913 | -4.4% | 7.1% | $16,834,754 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 2.8% | 2,750,000 | 0% | 0.03% | $16,362,500 |
| Affinity Asset Advisors, LLC | 2.6% | 2,564,303 | +41% | 0.89% | $15,257,603 |
| MILLENNIUM MANAGEMENT LLC | 1.5% | 1,508,063 | +46% | 0.01% | $8,972,975 |
| ARMISTICE CAPITAL, LLC | 1.5% | 1,507,000 | -3.4% | 0.3% | $8,966,650 |
| Cormorant Asset Management, LP | 1.5% | 1,450,000 | 0.43% | $8,627,500 | |
| QVT Financial LP | 1.3% | 1,310,593 | 0.62% | $7,798,028 | |
| Ikarian Capital, LLC | 1.2% | 1,193,492 | +49% | 1% | $7,101,278 |
| EcoR1 Capital, LLC | 1.2% | 1,179,715 | 0.3% | $7,019,304 | |
| Boxer Capital Management, LLC | 0.91% | 900,000 | +1700% | 0.7% | $5,355,000 |
| MORGAN STANLEY | 0.88% | 872,950 | -42% | 0% | $5,194,053 |
| Point72 Asset Management, L.P. | 0.88% | 872,662 | +285% | 0.01% | $5,192,339 |
| MARSHALL WACE, LLP | 0.86% | 852,340 | -2.9% | 0.01% | $5,071,424 |
| STEMPOINT CAPITAL LP | 0.76% | 753,520 | 0.86% | $4,483,444 | |
| Saturn V Capital Management LP | 0.75% | 739,960 | 0.8% | $4,402,762 | |
| ADAR1 Capital Management, LLC | 0.64% | 630,403 | +12% | 0.23% | $3,750,898 |
| SILVERARC CAPITAL MANAGEMENT, LLC | 0.57% | 560,651 | 0.39% | $3,335,873 | |
| FMR LLC | 0.53% | 529,346 | +0.01% | 0% | $3,149,609 |
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 65,775,966 | $390,095,333 | +$123,893,872 | $5.95 | 93 |
| 2025 Q4 | 44,873,374 | $235,135,504 | +$20,832,407 | $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 |