$ZURA

$3.56 +$0.20 (5.95%) Close

$ZURA Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 96.3M shares outstanding

Who owns ZURA?

By type of holder

Institutions 75.7% Insiders 0.0% Everyone else 24.3%

Concentration Top 10 holders own 131.5%

Len Blavatnik 20.5% · Access Industries Management, LLC 20.5%

Institutional ownership

75.7%

+7.1 pts vs last qtr

Institutional holders

+1 vs last qtr

Net shares bought

+6.9M

by institutions in Q2 2026

New / sold out

26 / 25

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

MPM Bioimpact LLC NEW +4.5M
BlackRock, Inc. +3.2M

Biggest sellers in Q2 2026

Pfizer Inc −2.3M
Cormorant Asset Management, LP SOLD OUT −1.5M

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Zura Bio Ltd in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2023–FY2025

+184.8%

+68.75% a year

Each share's claim on the business

−64.9%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $36.6M

over 3 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years40% 1–3 years22% Under 1 year38%

Quarterly turnover

21.5%

of institutional shares changed hands

Top 10 managers, median time held

2 years

Super Investors

Investment managers reporting ZURA on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
MC Montanova Capital, LLC	9.4M	9.80%	+376.0K (+4.1%)	2023	1.0%
Shares held by quarter Peak holding9.4M (Q2'26) Change over 8 quarters+4.6M Share of the company9.800% Montanova Capital, LLC's full portfolio →
VA Venrock Adviser, LLC	6.4M	6.68%	Unchanged	2024	1.2%
Shares held by quarter Peak holding6.4M (Q1'26) Change over 8 quarters+4.4M Share of the company6.680% Venrock Adviser, LLC's full portfolio →

Montanova Capital, LLC

9.4M

% of company

9.80%

Change vs last qtr

+376.0K (+4.1%)

Held since

2023

Venrock Adviser, LLC

6.4M

% of company

6.68%

Change vs last qtr

Unchanged

Held since

2024

28 more super investors behind a free account

See every manager holding Zura Bio Ltd, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting ZURA on Form N-PORT; together they hold 1.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VE Vanguard Extended Market Index Fund Vanguard Index Funds	$4.41M	747.4K	0.78%	0.00%	June 30, 2026
NS Nuveen Small Cap Blend Index Fund TIAA-CREF Funds	$426K	78.5K	0.08%	0.01%	July 31, 2026

Vanguard Extended Market Index Fund

Vanguard Index Funds

Position value

$4.41M

% of company

0.78%

% of the fund

0.00%

As of

June 30, 2026

Nuveen Small Cap Blend Index Fund

TIAA-CREF Funds

Position value

$426K

% of company

0.08%

% of the fund

0.01%

As of

July 31, 2026

14 more funds behind a free account

See every fund holding Zura Bio Ltd and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
LB Len Blavatnik 5%+ holder 13D · 18.2%	19.7M	20.45%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company20.450% Disclosed stake13D · 18.2% View the 13D/G filing →
AI Access Industries Management, LLC 5%+ holder 13D · 18.2%	19.7M	20.45%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company20.450% Disclosed stake13D · 18.2% View the 13D/G filing →

Len Blavatnik

5%+ holder13D · 18.2%

19.7M

% of company

20.45%

Change vs last qtr

—

Held since

—

Access Industries Management, LLC

5%+ holder13D · 18.2%

19.7M

% of company

20.45%

Change vs last qtr

—

Held since

—

4 more holders behind a free account

See every insider and 5%+ holder of Zura Bio Ltd.

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