Zura Bio Limited (ZURA)
Nasdaq: ZURA · Biological Products, (No Diagnostic Substances) · La Jolla, CA · filing with the SEC since 2021
Who owns Zura Bio Limited
As filed with the SECHolders of 5% or more
4
AI Biotechnology LLC holds 18.2% of Class A Ordinary Shares, par value $0.0001 per share, as its SCHEDULE 13D/A filed Mar 2, 2026 says.
Directors and officers
13
report now, of 26 people on the record since 2021. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
AI Biotechnology LLC
SCHEDULE 13D/A · filed Mar 2, 2026 · Class A Ordinary Shares, par value $0.0001 per share · 19.9% in May 28, 2025
Athanor Capital
SCHEDULE 13D · filed Jan 27, 2026 · Class A Ordinary Shares, par value $0.0001 per share · 15.7% in Jan 2, 2026
Venrock Healthcare Capital Partners III, L.P.
SCHEDULE 13G/A · filed May 15, 2026 · Class A Ordinary Shares, par value $0.0001 per share · 9.9% in Aug 14, 2025
Suvretta Capital Management, LLC
SCHEDULE 13G/A · filed May 12, 2026 · Class A Ordinary Shares, par value $0.0001 per share · 8.6% in Feb 13, 2026
RA Capital Management, L.P.
SCHEDULE 13G/A · filed Feb 14, 2025 · Class A Ordinary Shares, par value $0.0001 per share · reported falling below 5%
JPMorgan Chase & Co.
SCHEDULE 13G/A · filed May 6, 2026 · Class A Ordinary Shares, par value $0.0001 per share · reported falling below 5%, from 7.5% in Jul 16, 2025
Pfizer Inc.
SCHEDULE 13G/A · filed Feb 12, 2025 · Class A Ordinary Shares, $0.0001 par value per share · reported falling below 5%
Great Point Partners, LLC
SCHEDULE 13G/A · filed May 15, 2026 · Class A Ordinary Shares · reported falling below 5%, from 5.18% in Feb 17, 2026
ADAR1 Capital Management, LLC
SCHEDULE 13G/A · filed Feb 14, 2025 · Class A Ordinary Shares, par value $0.0001 per share · reported falling below 5%
Deep Track Capital, LP
SCHEDULE 13G/A · filed Nov 14, 2025 · Class A Ordinary Shares, $0.0001 par value · reported falling below 5%, from 7.13% in Aug 14, 2025
What ZURA reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Z33 Bio, Inc.
An entity · consolidated entity · owns, named in the 10-K filed Mar 19, 2026
Zb17 LLC
An entity · consolidated entity · owns, named in the 10-K filed Mar 19, 2026
Stone Peach Properties, LLC
A company bought · asset acquisition · owns, named in the 10-K filed Mar 19, 2026
3 subsidiaries in 1 country, from the list filed with the 10-K filed Mar 19, 2026.
Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2024 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window1 of 41 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Access Industries Holdings LLC | 10% owner | 0 | $0 | 0 | 1 | $12.5M |