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

Latest Period

Q1 2026

Institutions Reporting

93

Shares (Excl. Options)

65,775,966

Price

$5.95

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+20,746,600
Value change
+$123,893,872
Number of holders
93
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
99,155,394
SEC-reported price per share
$4.79
Insider filing price
$4.79
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • ZURA - Zura Bio Ltd - Class A Ordinary Shares, par value $0.0001 per share is tracked under CUSIP G9TY5A101.
  • 93 institutions reported positions in Q1 2026.
  • 10 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 74 to 93 between Q4 2025 and Q1 2026.
  • SEC-reported value moved from $235,135,504 to $390,095,333.

Research use

  • 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.

Evidence

Source: SEC Form 13F

Latest holder context comes from 93 institutions filings for Q1 2026.

Open SEC evidence

Security key

G9TY5A101

Latest holder period

Q1 2026

13F holders

93

13D/G owners

10

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
10
Security
ZURA
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

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
59%
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

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
13
Latest
Q1 2026
Rows shown
1-13 of 13
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
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