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 Q4 2025

Latest Period

Q4 2025

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
108,236,654
Price per share
$6.76
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
$6.76
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

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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 65 to 74 between Q3 2025 and Q4 2025.
  • Reported value moved from $178,078,060 to $235,135,504.

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

Latest holder context comes from 74 institutions filings for Q4 2025.

Open SEC Evidence

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.

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
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
SUVRETTA CAPITAL MANAGEMENT, LLC 8.6% $29,171,085 5,567,001 SUVRETTA CAPITAL MANAGEMENT, LLC 31 Dec 2025
JPMORGAN CHASE & CO 7.5% $5,653,623 4,672,416 JPMORGAN CHASE & CO. 30 Jun 2025
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 41% of the company’s total 108,236,654 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 39% 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 5.1% 5,567,001 +1.7% 0.73% $29,171,085
VR ADVISER, LLC 4.9% 5,345,115 +15% 1.4% $28,008,403
JPMORGAN CHASE & CO 4.1% 4,472,756 -3.3% 0% $23,437,241
GREAT POINT PARTNERS LLC 3.5% 3,815,930 0% 6.5% $19,995,473
BRAIDWELL LP 2.9% 3,180,389 +29% 0.53% $16,665,238
Pfizer Inc 2.7% 2,970,022 0% 6.6% $15,562,915
ADAGE CAPITAL PARTNERS GP, L.L.C. 2.5% 2,750,000 -9.7% 0.02% $14,410,000
Affinity Asset Advisors, LLC 1.7% 1,813,671 +42% 0.68% $9,503,636
ARMISTICE CAPITAL, LLC 1.4% 1,560,000 0% 0.2% $8,174,400
MORGAN STANLEY 1.4% 1,509,411 +621% 0% $7,909,314
Siren, L.L.C. 1.2% 1,300,000 0.2% $6,812,000
MILLENNIUM MANAGEMENT LLC 0.95% 1,032,680 +75% 0% $5,411,243
MARSHALL WACE, LLP 0.81% 877,763 0% $4,599,478
Ikarian Capital, LLC 0.74% 802,322 -62% 0.55% $4,204,167
JANE STREET GROUP, LLC 0.61% 657,854 +210% 0% $3,447,155
VANGUARD GROUP INC 0.52% 568,118 +9.9% 0% $2,976,938
ADAR1 Capital Management, LLC 0.52% 562,065 -14% 0.22% $2,945,221
FMR LLC 0.49% 529,304 -0.37% 0% $2,773,553
UBS Group AG 0.43% 470,540 +54% 0% $2,465,629
TWO SIGMA INVESTMENTS, LP 0.38% 412,423 +203% 0% $2,161,097
GEODE CAPITAL MANAGEMENT, LLC 0.37% 404,479 -0.2% 0% $2,120,240
BlackRock, Inc. 0.34% 369,365 +1% 0% $1,935,472
CITADEL ADVISORS LLC 0.29% 309,157 +284% 0% $1,619,983
RENAISSANCE TECHNOLOGIES LLC 0.28% 303,100 +19% 0% $1,588,244
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.26% 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
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

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