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ZURA · NASDAQ · Biotechnology

ZuraBio (ZURA)

Develops licensed antibody candidates for autoimmune and inflammatory diseases.

$5.59

Pre-market−0.08 (−1.50%)

At close$5.68(+0.44%)

Watchlist

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Breakdown13F · 13D/G · Form 4

Institutions97 holders · as of Mar 31, 2026	68.93%	66.06M shares
Insiders6 holders · as of Jun 22, 2026	3.40%	3.26M shares
Strategic holders1 holder · as of Jan 2, 2026	12.09%	11.58M shares
Otherremainder	15.58%	14.93M shares

95.83M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

Top shareholders13F · 13D/G · Form 4

Holder	Stake	Shares	Evidence
Athanor CapitalStrategic10 percent owner	12.09%	11.58M	Form 4filed Jan 2, 2026 ↗
Venrock Healthcare Capital Partners III, L.P.Institution	10.24%	9.82M	13Gfiled May 15, 2026 ↗
Suvretta Capital Management, LLCInstitution	9.46%	9.07M	13Fas of Mar 31, 2026
VR Adviser, LLCInstitution	6.72%	6.43M	13Fas of Mar 31, 2026
JPMorgan Chase & CoInstitution	4.65%	4.46M	13Fas of Mar 31, 2026
Great Point Partners LLCInstitution	4.40%	4.22M	13Fas of Mar 31, 2026
Braidwell LPInstitution	4.16%	3.99M	13Fas of Mar 31, 2026
Siren, L.L.C.Institution	3.90%	3.73M	13Fas of Mar 31, 2026
Commodore Capital LPInstitution	3.39%	3.25M	13Fas of Mar 31, 2026
Pfizer IncInstitution	2.96%	2.84M	13Fas of Mar 31, 2026
Adage Capital Partners GP, L.L.C.Institution	2.87%	2.75M	13Fas of Mar 31, 2026
Affinity Asset Advisors, LLCInstitution	2.68%	2.56M	13Fas of Mar 31, 2026
Someit Sidhu¹Insiderdirector	2.44%	2.34M	Form 4filed Feb 14, 2025 ↗
Millennium Management LLCInstitution	1.57%	1.51M	13Fas of Mar 31, 2026
Armistice Capital, LLCInstitution	1.57%	1.51M	13Fas of Mar 31, 2026
Cormorant Asset Management, LPInstitution	1.51%	1.45M	13Fas of Mar 31, 2026
QVT Financial LPInstitution	1.37%	1.31M	13Fas of Mar 31, 2026
Ikarian Capital, LLCInstitution	1.25%	1.19M	13Fas of Mar 31, 2026
Ecor1 Capital, LLCInstitution	1.23%	1.18M	13Fas of Mar 31, 2026
Boxer Capital Management, LLCInstitution	0.94%	900,000	13Fas of Mar 31, 2026
Morgan StanleyInstitution	0.91%	872,950	13Fas of Mar 31, 2026
Point72 Asset Management, L.P.Institution	0.91%	872,662	13Fas of Mar 31, 2026
Marshall Wace, LLPInstitution	0.89%	852,340	13Fas of Mar 31, 2026
Amit MunshiInsiderdirector	0.81%	777,384	Form 4filed Sep 6, 2024 ↗
Stempoint Capital LPInstitution	0.79%	753,520	13Fas of Mar 31, 2026

Someit Sidhu reports a block also reported by Ikarian Capital, LLC; it is counted once, under Ikarian Capital, LLC.

13F — a manager's quarterly holdings · 13D/13G — an ownership statement filed at 5% or more · Form 4 — an insider's transaction report

Institutions13F, as of Mar 31, 2026

97 holders · 66.06M shares · 32 new positions · 62 increased · 25 reduced · 12 closed

Holder	Shares	% outstanding	Chg q/q	Filed
Suvretta Capital Management, LLC	9.07M	9.46%	+3.50M	May 15, 2026
VR Adviser, LLC	6.43M	6.72%	+1.09M	May 15, 2026
JPMorgan Chase & Co	4.46M	4.65%	−13.9K	May 13, 2026
Great Point Partners LLC	4.22M	4.40%	+400.0K	May 15, 2026
Braidwell LP	3.99M	4.16%	+808.6K	May 15, 2026
Siren, L.L.C.	3.73M	3.90%	+2.43M	May 14, 2026
Commodore Capital LP	3.25M	3.39%	+3.25Mnew	May 15, 2026
Pfizer Inc	2.84M	2.96%	−131.1K	May 12, 2026

Ownership statements13D/G · 5% or more, as filed

Holder	% of class	Shares	Form	Filed
Access Industries Management, LLCincl. AI Biotechnology LLC, Len Blavatnik +1 more	18.20%	19.70M	13D	Mar 2, 2026 ↗
Athanor Capitalincl. UGS Capital LLC	15.70%	11.58M	13D	Jan 27, 2026 ↗
Venrock Healthcare Capital Partners III, L.P.	9.90%	9.82M	13G	May 15, 2026 ↗
Suvretta Capital Management, LLC	9.90%	9.52M	13G	May 12, 2026 ↗
ADAR1 Capital Management, LLCincl. Daniel Schneeberger, ADAR1 Capital Management GP, LLC	5.10%	3.33M	13G	Nov 14, 2024 ↗

Insider tradesForm 4

Latest trades

Date	Insider	Type	Shares	Avg price	Owned after
Feb 26, 2026	AI Biotechnology LLC10 percent owner	Purchase	2,000,000	$6.25	6,552,725

CongressHouse and Senate disclosures

Not reported.