Zura Bio Ltd (ZURA) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

95,414,286Shares Outstanding

8,615,353Shares held by institutions

$52,639,807Value of institutional holdings

46.41%Institutional ownership %

19.91%Shares Changed QoQ

72No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

The institutional landscape for Zura Bio Ltd (NASDAQ:ZURA) includes 72 filers as of the latest reporting cycle ending December 2025.

Zura Bio saw its institutional ownership percentage rose to 46.4% in December 2025 from 43.4% in September 2025.
Institutional share ownership changed by 19.91% QoQ, while the number of institutional owners saw a decrease of 19.10% YoY.
A review of institutional activity for Zura Bio shows 47 of 72 filers increasing their positions, while 16 reduced their stake, and 9 remained unchanged.
The aggregate institutional position in Zura Bio now stands at 44.28Mn shares as of December 2025, after investors increased their holdings (up by 7.35Mn shares quarter on quarter which is up 1.19Mn shares year over year).
SUVRETTA CAPITAL MANAGEMENT, LLC's holding of 5.57Mn shares as of December 31, 2025 makes it the primary institutional investor in Zura Bio, owning 5.83% of the stock.
Among the most significant buyers of Zura Bio during December 2025 were Siren, L.L.C. (1.30Mn), MORGAN STANLEY (1.30Mn), MARSHALL WACE, LLP (877.76K), VR Adviser, LLC (713.90K), BRAIDWELL LP (707.58K).
Leading sellers of Zura Bio stock in December 2025 included BOOTHBAY FUND MANAGEMENT, LLC (561.79K), Point72 Asset Management, L.P. (499.50K), ADAGE CAPITAL PARTNERS GP, L.L.C. (295.44K), JPMORGAN CHASE & CO (151.44K), ADAR1 Capital Management, LLC (90.09K).
The top 10 institutional holders of Zura Bio for the quarter ending December 2025 included SUVRETTA CAPITAL MANAGEMENT, LLC (5.57Mn), VR Adviser, LLC (5.35Mn), JPMORGAN CHASE & CO (4.47Mn), GREAT POINT PARTNERS LLC (3.82Mn), BRAIDWELL LP (3.18Mn), PFIZER INC (2.97Mn), ADAGE CAPITAL PARTNERS GP, L.L.C. (2.75Mn), Affinity Asset Advisors, LLC (1.81Mn), ARMISTICE CAPITAL, LLC (1.56Mn), MORGAN STANLEY (1.51Mn).

72 Institutional Holders

8,615,353 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
SUVRETTA CAPITAL MANAGEMENT, LLC	31 Dec, 2025	5,567,001	94,110	1.72%	$29,171,085.00
VR Adviser, LLC	31 Dec, 2025	5,345,115	713,899	15.41%	$28,008,403.00
JPMORGAN CHASE & CO	31 Dec, 2025	4,472,756	-151,443	-3.28%	$23,437,241.00
GREAT POINT PARTNERS LLC	31 Dec, 2025	3,815,930	0	0.00%	$19,995,473.00
BRAIDWELL LP	31 Dec, 2025	3,180,389	707,583	28.61%	$16,665,238.00
PFIZER INC	31 Dec, 2025	2,970,022	0	0.00%	$15,562,915.00
ADAGE CAPITAL PARTNERS GP, L.L.C.	31 Dec, 2025	2,750,000	-295,444	-9.70%	$14,410,000.00
Affinity Asset Advisors, LLC	31 Dec, 2025	1,813,671	539,320	42.32%	$9,503,636.00
ARMISTICE CAPITAL, LLC	31 Dec, 2025	1,560,000	0	0.00%	$8,174,400.00
MORGAN STANLEY	31 Dec, 2025	1,509,411	1,299,985	620.74%	$7,909,314.00
Siren, L.L.C.	31 Dec, 2025	1,300,000	1,300,000	0.00%	$6,812,000.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	1,032,680	442,980	75.12%	$5,411,243.00
MARSHALL WACE, LLP	31 Dec, 2025	877,763	877,763	0.00%	$4,599,478.00
JANE STREET GROUP, LLC	31 Dec, 2025	672,554	449,572	201.62%	$3,524,183.00
VANGUARD GROUP INC	31 Dec, 2025	568,118	50,974	9.86%	$2,976,938.00
ADAR1 Capital Management, LLC	31 Dec, 2025	562,065	-90,089	-13.81%	$2,945,221.00
FMR LLC	31 Dec, 2025	529,304	-1,982	-0.37%	$2,773,553.00
Caption Management, LLC	31 Dec, 2025	473,936	473,936	0.00%	$2,483,425.00
UBS Group AG	31 Dec, 2025	470,540	165,211	54.11%	$2,465,629.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	412,423	276,120	202.58%	$2,161,097.00

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