ZURA · Zura Bio Ltd

$5.70 +0.03 (+0.53%)

Russell 2000 member Rebalance outlook locked

Market Cap

$542.39M

95.83M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Quarter:

Holders: 97

Total Value: $431,299,207

Total Shares: 73,101,569

Institutional Ownership Trend

14 quarters

Holder Concentration

Across 97 13F filers · Δ vs Mar 31, 2026

Top Holder

12.9%

−0.7 pts

Top 5

39.6%

−2.9 pts

Top 10

63.3%

−2.0 pts

HHI

521

Broadly held−31

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +3

Institutional value: +9.2%

Shares held: +10.2%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega BlackRock, Inc.	+3,157,336	3,614,695
Small Saturn V Capital Management LP	+1,361,159	2,101,119
Mid ADAR1 Capital Management, LLC	+1,128,892	1,759,295
Mega GEODE CAPITAL MANAGEMENT, LLC	+1,056,518	1,584,209
Mega STATE STREET CORP	+806,674	1,001,637

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Small Pfizer Inc	−2,300,072	538,841
Mega MILLENNIUM MANAGEMENT LLC	−1,370,424	137,639
Mid Affinity Asset Advisors, LLC	−1,100,000	1,464,303
Mega MORGAN STANLEY	−366,997	505,953
Mega JANE STREET GROUP, LLC	−268,190	30,600

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid MPM BIOIMPACT LLC	4,472,843	$26,389,773
Mega VANGUARD PORTFOLIO MANAGEMENT LLC	407,532	$2,404,438
Mega Nuveen, LLC	126,204	$744,603
Mega Bank of New York Mellon Corp	124,365	$733,751
Mega RHUMBLINE ADVISERS	65,888	$388,739

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid Cormorant Asset Management, LP	1,450,000	$8,627,500
Large Point72 Asset Management, L.P.	872,662	$5,192,338
Large MARSHALL WACE, LLP	852,340	$5,071,422
Small SILVERARC CAPITAL MANAGEMENT, LLC	560,651	$3,335,873
Mega Qube Research & Technologies Ltd	450,311	$2,679,350

Filter: New 26 Increased 33 Reduced 20 Sold out 23 Unchanged 18

Showing 98 of 98

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

SUVRETTA CAPITAL MANAGEMENT, LLC

$55,713,705

12.92%

9,443,001

Venrock Adviser, LLC

$37,966,441

8.80%

6,434,990

MPM BIOIMPACT LLC

$26,389,773

6.12%

4,472,843

JPMORGAN CHASE & CO

$25,692,818

5.96%

4,354,715

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	24,439	$144,190	0.6%	Defined
J.P. Morgan Securities LLC	4,330,209	$25,548,233	99.4%	Defined
J.P. Morgan Securities plc	67	$395	0.0%	Defined

GREAT POINT PARTNERS LLC

$24,873,987

5.77%

4,215,930

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JAY JEFFREY R joint	4,215,930	$24,873,987	100.0%	Defined

BRAIDWELL LP

$23,483,740

5.44%

3,980,295

Siren, L.L.C.

$22,035,709

5.11%

3,734,866

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invus Group, LLC	3,734,866	$22,035,709	100.0%	Defined

BlackRock, Inc.

$21,326,697

4.94%

3,614,695

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	24,652	$145,446	0.7%	Sole
BlackRock Investment Management, LLC	173,601	$1,024,245	4.8%	Sole
BLACKROCK ADVISORS LLC	128,348	$757,253	3.6%	Sole
BlackRock Fund Advisors	2,216,587	$13,077,863	61.3%	Sole
BlackRock Institutional Trust Company, N.A.	1,063,253	$6,273,192	29.4%	Sole
Aperio Group, LLC	8,254	$48,698	0.2%	Sole

Commodore Capital LP

$19,175,000

4.45%

3,250,000

ADAGE CAPITAL PARTNERS GP, L.L.C.

$16,225,000

3.76%

2,750,000

Saturn V Capital Management LP

$12,396,602

2.87%

2,101,119

QVT Financial LP

$11,181,402

2.59%

1,895,153

ADAR1 Capital Management, LLC

$10,379,840

2.41%

1,759,295

ARMISTICE CAPITAL, LLC

$9,652,400

2.24%

1,636,000

GEODE CAPITAL MANAGEMENT, LLC

$9,346,832

2.17%

1,584,209

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	239,177	$1,411,144	15.1%	Defined
Held directly	1,345,032	$7,935,688	84.9%	Defined

Affinity Asset Advisors, LLC

$8,639,387

2.00%

1,464,303

STEMPOINT CAPITAL LP

$8,072,468

1.87%

1,368,215

Ikarian Capital, LLC

$7,189,102

1.67%

1,218,492

EcoR1 Capital, LLC

$6,960,318

1.61%

1,179,715

Vestal Point Capital, LP

$6,926,340

1.61%

1,173,956

STATE STREET CORP

$5,909,658

1.37%

1,001,637

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SSGA FUNDS MANAGEMENT, INC. joint	1,001,637	$5,909,658	100.0%	Defined

Boxer Capital Management, LLC

$5,310,000

1.23%

900,000

VANGUARD CAPITAL MANAGEMENT LLC

$4,409,376

1.02%

747,352

GOLDMAN SACHS GROUP INC

$3,386,281

0.79%

573,946

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	500,830	$2,954,897	87.3%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	73,116	$431,384	12.7%	Defined

Pfizer Inc

$3,179,161

0.74%

538,841

FMR LLC

$3,116,875

0.72%

528,284

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	528,284	$3,116,875	100.0%	Defined

MORGAN STANLEY

$2,985,121

0.69%

505,953

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	64	$377	0.0%	Defined
MORGAN STANLEY & CO. LLC	311,950	$1,840,505	61.7%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	191,583	$1,130,339	37.9%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	2,356	$13,900	0.5%	Defined

NORTHERN TRUST CORP

$2,950,506

0.68%

500,086

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	481,072	$2,838,324	96.2%	Defined
NORTHERN TRUST GLOBAL INVESTMENTS LTD	9,768	$57,631	2.0%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	9,246	$54,551	1.8%	Other

Foresite Capital Management VI LLC

$2,655,000

0.62%

450,000

VANGUARD PORTFOLIO MANAGEMENT LLC

$2,404,438

0.56%

407,532

VANGUARD FIDUCIARY TRUST CO

$2,398,055

0.56%

406,450

BOOTHBAY FUND MANAGEMENT, LLC

$2,237,144

0.52%

379,177

KVP Capital Advisors, LP

$2,201,455

0.51%

373,128

TWO SIGMA INVESTMENTS, LP

$2,070,321

0.48%

350,902

RENAISSANCE TECHNOLOGIES LLC

$1,898,041

0.44%

321,702

CITADEL ADVISORS LLC

$1,774,241

0.41%

300,719

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	298,905	$1,763,539	99.4%	Defined
Held directly	1,814	$10,702	0.6%	Defined

AMERIPRISE FINANCIAL INC

$1,665,021

0.39%

282,207

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Columbia Management Investment Advisers, LLC	282,207	$1,665,021	100.0%	Defined

UBS Group AG

$1,565,352

0.36%

265,314

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	265,314	$1,565,352	100.0%	Defined

Jump Financial, LLC

$1,366,440

0.32%

231,600

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Leap GP LLC joint	231,600	$1,366,440	100.0%	Defined

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$1,028,930

0.24%

174,395

MILLENNIUM MANAGEMENT LLC

$812,070

0.19%

137,639

XTX Topco Ltd

$803,721

0.19%

136,224

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	136,224	$803,721	100.0%	Defined

Alberta Investment Management Corp

$785,880

0.18%

133,200

Nuveen, LLC

$744,603

0.17%

126,204

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
TIAA CREF INVESTMENT MANAGEMENT LLC joint	47,740	$281,666	37.8%	Defined
TEACHERS ADVISORS, LLC joint	78,464	$462,937	62.2%	Defined

Bank of New York Mellon Corp

$733,751

0.17%

124,365

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	34,111	$201,254	27.4%	Defined
The Bank of New York Mellon	90,253	$532,492	72.6%	Defined
Held directly	1	$5	0.0%	Defined

BARCLAYS PLC

$623,900

0.14%

105,746

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	14,415	$85,048	13.6%	Defined
BARCLAYS CAPITAL INC.	91,331	$538,852	86.4%	Defined

BANK OF AMERICA CORP /DE/

$572,494

0.13%

97,033

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	39,165	$231,073	40.4%	Defined
BOFA SECURITIES, INC.	57,868	$341,421	59.6%	Defined

ALPS ADVISORS INC

$568,842

0.13%

96,414

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$516,840

0.12%

87,600

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	87,600	$516,840	100.0%	Other

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$503,553

0.12%

85,348

Verdad Advisers, LP

$394,822

0.09%

66,919

RHUMBLINE ADVISERS

$388,739

0.09%

65,888

BNP PARIBAS ARBITRAGE, SA

$350,678

0.08%

59,437

DEUTSCHE BANK AG\

$346,023

0.08%

58,648

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DWS INVESTMENT MANAGEMENT AMERICAS, INC	1,138	$6,714	1.9%	Defined
DWS Investments UK Ltd	57,510	$339,309	98.1%	Defined

RBF Capital, LLC

$343,338

0.08%

58,193

DIMENSIONAL FUND ADVISORS LP

$325,259

0.08%

55,129

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DFA Australia Ltd.	515	$3,038	0.9%	Defined
Dimensional Ireland Ltd	18,292	$107,922	33.2%	Defined
Held directly	36,322	$214,299	65.9%	Sole

WELLS FARGO & COMPANY/MN

$317,278

0.07%

53,776

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	53,776	$317,278	100.0%	Defined

PRICE T ROWE ASSOCIATES INC /MD/

$285,471

0.07%

48,385

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	48,385	$285,471	100.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$281,430

0.07%

47,700

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	47,700	$281,430	100.0%	Other

AMERICAN CENTURY COMPANIES INC

$238,719

0.06%

40,461

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	40,461	$238,719	100.0%	Defined

WELLINGTON MANAGEMENT GROUP LLP

$228,920

0.05%

38,800

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Wellington Management Company LLP	12,400	$73,160	32.0%	Defined
Wellington Trust Company, NA joint	26,400	$155,760	68.0%	Defined

MetLife Investment Management, LLC

$216,819

0.05%

36,749

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
METLIFE INC	36,749	$216,819	100.0%	Defined

Invesco Ltd.

$188,970

0.04%

32,029

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Advisers, Inc. joint	8,521	$50,273	26.6%	Defined
Invesco Trust Co joint	23,508	$138,697	73.4%	Defined

ALLIANCEBERNSTEIN L.P.

$187,266

0.04%

31,740

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	31,740	$187,266	100.0%	Defined

JANE STREET GROUP, LLC

$180,540

0.04%

30,600

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	30,600	$180,540	100.0%	Defined

RAYMOND JAMES FINANCIAL INC

$170,037

0.04%

28,820

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	27,293	$161,028	94.7%	Defined
Raymond James Financial Services Advisors, Inc.	1,527	$9,009	5.3%	Defined

EntryPoint Capital, LLC

$169,955

0.04%

28,806

CITIGROUP INC

$163,800

0.04%

27,763

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	27,763	$163,800	100.0%	Defined

Squarepoint Ops LLC

$160,267

0.04%

27,164

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	27,164	$160,267	100.0%	Defined

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$159,477

0.04%

27,030

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	27,030	$159,477	100.0%	Defined

Forefront Analytics, LLC

$159,111

0.04%

26,968

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GKFO LLC	26,968	$159,111	100.0%	Sole

Mariner, LLC

$136,301

0.03%

23,102

INSIGNEO ADVISORY SERVICES, LLC

$121,835

0.03%

20,650

Police & Firemen's Retirement System of New Jersey

$102,583

0.02%

17,387

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Capital	17,387	$102,583	100.0%	Defined

MANUFACTURERS LIFE INSURANCE COMPANY, THE

$100,547

0.02%

17,042

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MANULIFE FINANCIAL CORP joint	17,042	$100,547	100.0%	Defined

LOS ANGELES CAPITAL MANAGEMENT LLC

$99,804

0.02%

16,916

Vanguard Global Advisers, LLC

$99,243

0.02%

16,821

China Universal Asset Management Co., Ltd.

$94,400

0.02%

16,000

Abel Hall, LLC

$78,051

0.02%

13,229

NEW YORK STATE COMMON RETIREMENT FUND

$77,880

0.02%

13,200

VOYA INVESTMENT MANAGEMENT LLC

$68,534

0.02%

11,616

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Voya Investment Management Co. LLC joint	11,616	$68,534	100.0%	Defined

State of Wyoming

$58,280

0.01%

9,878

Allworth Financial LP

$34,149

0.01%

5,788

Legal & General Group Plc

$33,783

0.01%

5,726

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Legal & General Investment Management America Inc	5,726	$33,783	100.0%	Defined

Ameritas Investment Partners, Inc.

$31,565

0.01%

5,350

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
EATON VANCE MANAGEMENT	5,350	$31,565	100.0%	Other

Russell Investments Group, Ltd.

$27,812

0.01%

4,714

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	4,714	$27,812	100.0%	Defined

Tower Research Capital LLC (TRC)

$19,959

0.00%

3,383

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	3,383	$19,959	100.0%	Defined

ROYAL BANK OF CANADA

$16,632

0.00%

2,819

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	1,819	$10,732	64.5%	Defined
RBC Capital Markets, LLC	1,000	$5,900	35.5%	Defined

SIMPLEX TRADING, LLC

$15,576

0.00%

2,640

Steward Partners Investment Advisory, LLC

$5,900

0.00%

1,000

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

$4,790

0.00%

812

NISA INVESTMENT ADVISORS, LLC

$4,141

0.00%

702

Quarry LP

$1,905

0.00%

323

US BANCORP \DE\

$1,876

0.00%

318

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
US BANK NATIONAL ASSOCIATION	318	$1,876	100.0%	Defined

Sterling Capital Management LLC

$1,221

0.00%

207

SBI Securities Co., Ltd.

$454

0.00%

Caitong International Asset Management Co., Ltd

$295

0.00%

Arax Advisory Partners

$141

0.00%

Key facts CIK 1855644 CUSIP G9TY5A101 13F (30d) 89 filings 89 filers Visit website Investor relations