Zura Bio Ownership | Who Owns Zura Bio?

Zura Bio Ownership Summary

Zura Bio is owned by 4.79% institutional investors, 21.54% insiders, and 73.67% retail investors. Suvretta capital management is the largest institutional shareholder, holding 9.63% of ZURA shares. iShares Russell 2000 ETF is the top mutual fund, with 1.50% of its assets in Zura Bio shares.

ZURA Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Zura Bio	4.79%	21.54%	73.67%
Sector	Healthcare Stocks	50.44%	12.38%	37.18%
Industry	Biotech Stocks	48.97%	12.07%	38.96%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Suvretta capital management	9.07M	9.63%	$53.95M
Vr adviser	6.43M	6.83%	$38.29M
Jpmorgan chase	4.46M	4.74%	$25.33M
Great point partners	4.22M	4.48%	$25.08M
Braidwell lp	3.99M	4.24%	$23.73M
Siren	3.73M	3.97%	$22.22M
Commodore capital lp	3.25M	3.45%	$19.34M
Pfizer	2.84M	3.02%	$16.83M
Adage capital partners gp	2.75M	2.92%	$16.36M
Affinity asset advisors	2.56M	2.72%	$15.26M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Pfizer	2.84M	7.05%	$16.83M
Great point partners	4.22M	5.77%	$25.08M
Vr adviser	6.43M	1.43%	$38.29M
Suvretta capital management	9.07M	1.38%	$53.95M
Commodore capital lp	3.25M	1.12%	$19.34M
Stempoint capital lp	753.52K	0.87%	$4.48M
Saturn v capital management	739.96K	0.80%	$4.40M
Braidwell lp	3.99M	0.79%	$23.73M
Affinity asset advisors	2.56M	0.79%	$15.26M
Boxer capital management	900.00K	0.70%	$5.36M

Top Buyers

Holder	Shares	% Assets	Change
Suvretta capital management	9.07M	1.38%	3.50M
Commodore capital lp	3.25M	1.12%	3.25M
Siren	3.73M	0.62%	2.43M
Qvt financial lp	1.31M	0.57%	1.31M
Ecor1 capital	1.18M	0.30%	1.18M

Top Sellers

Holder	Shares	% Assets	Change
Ra capital management	-	-	-3.22M
Allostery investments lp	-	-	-2.33M
Cormorant asset management, lp	-	-	-1.45M
Point72 asset management	-	-	-872.66K
Marshall wace, llp	-	-	-852.34K

New Positions

Holder	Shares	% Assets	Change	Value
Commodore capital lp	3.25M	1.12%	3.25M	$19.34M
Qvt financial lp	1.31M	0.57%	1.31M	$7.80M
Ecor1 capital	1.18M	0.30%	1.18M	$7.02M
Stempoint capital lp	753.52K	0.87%	753.52K	$4.48M
Saturn v capital management	739.96K	0.80%	739.96K	$4.40M

Sold Out

Holder	Change
Ifp advisors	-14.00
Optiver b.v.	-16.00
Sterling capital management	-53.00
True wealth design	-78.00
Clearstead advisors	-239.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	22	-72.50%	4,509,296	-89.95%	4	0.21%	10	-78.26%	8	-57.89%
Dec 31, 2025	35	-50.70%	16,505,575	-59.89%	17	0.92%	22	-35.29%	8	-65.22%
Sep 30, 2025	68	15.25%	39,551,293	14.18%	41	1.49%	33	-	21	31.25%
Jun 30, 2025	62	-17.33%	35,347,572	-22.51%	54	2.25%	36	20.00%	16	-23.81%
Mar 31, 2025	75	-18.48%	45,725,362	6.61%	49	2.04%	31	-44.64%	21	90.91%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Russell 2000 ETF	1.43M	1.50%	-25.34K
Vanguard Institutional Extnd Mkt Idx Tr	747.35K	0.79%	262.26K
iShares Russell 2000 Growth ETF	540.19K	0.57%	-4.95K
Fidelity Select Biotechnology	509.66K	0.54%	-
Russell 2000 Equity Index Fund B	385.82K	0.41%	385.82K
Russell 2000 Index Non-Lendable Fund	385.82K	0.41%	385.82K
Vanguard Russell 2000 ETF	338.96K	0.36%	338.96K
Fidelity Extended Market Index	335.22K	0.35%	110.63K
State St Russell Sm/Mid Cp® Indx SL Cl I	267.60K	0.28%	-
State St Russell Sm Cap® Idx SL Cl I	219.10K	0.23%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Feb 26, 2026	AI Biotechnology LLC	-	Buy	$12.50M
Oct 30, 2023	Sidhu Someit	-	Buy	$28.52M
Nov 25, 2024	Thiara Parvinder	-	Sell	$2.73M
Sep 11, 2024	Thiara Parvinder	-	Sell	$10.26M
Sep 04, 2024	Sidhu Someit	-	Sell	$200.19K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	-
2026 Q1	1	-
2025 Q4	-	-
2025 Q3	-	-
2025 Q2	-	-

ZURA Ownership FAQ

Who Owns Zura Bio?

Zura Bio shareholders are primarily institutional investors at 4.79%, followed by 21.54% insiders and 73.67% retail investors. The average institutional ownership in Zura Bio's industry, Biotech Stocks , is 48.97%, which Zura Bio falls below.

Who owns the most shares of Zura Bio?

Zura Bio’s largest shareholders are Suvretta capital management (9.07M shares, 9.63%), Vr adviser (6.43M shares, 6.83%), and Jpmorgan chase (4.46M shares, 4.74%). Together, they hold 21.20% of Zura Bio’s total shares outstanding.

Does Blackrock own Zura Bio?

BlackRock is not among the top 10 institutional shareholders of Zura Bio.

Who is Zura Bio’s biggest shareholder by percentage of total assets invested?

Pfizer is Zura Bio’s biggest shareholder by percentage of total assets invested, with 7.05% of its assets in 2.84M Zura Bio shares, valued at 16.83M$.

Who is the top mutual fund holder of Zura Bio shares?

iShares Russell 2000 ETF is the top mutual fund holder of Zura Bio shares, with 1.50% of its total shares outstanding invested in 1.43M Zura Bio shares.

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