Zai Lab Ownership | Who Owns Zai Lab?

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Zai Lab Ownership Summary

Zai Lab is owned by 25.54% institutional investors, 1.90% insiders, and 72.57% retail investors. Rtw investments, lp is the largest institutional shareholder, holding 5.94% of ZLAB shares. American Funds New World A is the top mutual fund, with 2.97% of its assets in Zai Lab shares.

ZLAB Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Zai Lab	25.54%	1.90%	72.57%
Sector	Healthcare Stocks	35.58%	11.87%	52.55%
Industry	Biotech Stocks	35.75%	11.83%	52.41%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Rtw investments, lp	6.57M	5.94%	$123.66M
Ra capital management	5.71M	5.16%	$107.35M
Frazier life sciences management	1.90M	1.72%	$35.78M
Citadel advisors	1.69M	1.53%	$31.76M
Bamco inc /ny/	1.66M	1.50%	$31.19M
Fmr	1.26M	1.14%	$23.75M
Adar1 capital management	868.78K	0.80%	$29.44M
Blackrock funding, inc. /de	865.15K	0.78%	$16.27M
Rock springs capital management lp	814.71K	0.74%	$15.32M
Bioimpact capital	745.06K	0.68%	$25.25M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
B group	450.65K	6.28%	$8.48M
Bioimpact capital	745.06K	4.13%	$25.25M
Superstring capital management lp	275.82K	3.71%	$5.19M
Adar1 capital management	868.78K	2.77%	$29.44M
Rtw investments, lp	6.57M	1.23%	$123.66M
Ra capital management	5.71M	1.14%	$107.35M
Frazier life sciences management	1.90M	0.92%	$35.78M
Rock springs capital management lp	814.71K	0.90%	$15.32M
Nan fung trinity (hk)	346.47K	0.72%	$6.52M
Privium fund management b.v.	132.19K	0.52%	$2.49M

Top Buyers

Holder	Shares	% Assets	Change
Ra capital management	5.71M	1.14%	5.71M
Two sigma investments, lp	309.72K	0.00%	280.20K
Bamco inc /ny/	1.66M	0.09%	240.31K
Abrdn	237.74K	0.01%	237.74K
Blackrock funding, inc. /de	865.15K	0.00%	229.93K

Top Sellers

Holder	Shares	% Assets	Change
Capital world investors	-	-	-6.08M
Janus henderson group	6.57M	0.09%	-2.19M
Viking global investors lp	-	-	-1.95M
Clearbridge investments	-	-	-1.81M
Ubs group	504.19K	0.00%	-1.28M

New Positions

Holder	Shares	% Assets	Change	Value
Ra capital management	5.71M	1.14%	5.71M	$107.35M
Abrdn	237.74K	0.01%	237.74K	$4.47M
Toroso investments	183.69K	0.01%	183.69K	$3.46M
Axa investment managers	65.81K	0.01%	65.81K	$2.23M
Wolverine trading	52.40K	0.00%	52.40K	$908.09K

Sold Out

Holder	Change
Rockefeller capital management	-8.00
Jones financial companies lllp	-10.00
Macroview investment management	-11.00
Crewe advisors	-12.00
Ancora advisors	-15.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	104	-19.38%	28,245,590	-2.38%	25	3.70%	43	-34.85%	42	-
Dec 31, 2025	85	-41.38%	11,335,013	-67.77%	10	0.99%	40	-46.67%	29	-29.27%
Sep 30, 2025	138	-10.97%	35,152,705	-15.16%	32	223.57%	72	-12.20%	41	-24.07%
Jun 30, 2025	160	-3.61%	42,588,633	-23.34%	3	0.15%	83	-12.63%	57	23.91%
Mar 31, 2025	166	21.17%	56,424,922	0.14%	52	158.47%	94	11.90%	47	38.24%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
American Funds New World A	3.27M	2.97%	-
Capital Group New Geography Equity Comp	3.27M	2.97%	-
American Funds SMALLCAP World A	2.08M	1.89%	-
ClearBridge International Growth C	2.02M	1.83%	-
ClearBridge International Growth EAFE	2.02M	1.83%	-
Fidelity Contrafund	1.66M	1.49%	260.35K
Baron Emerging Markets Strategy	1.40M	1.24%	218.28K
Baron Emerging Markets Institutional	1.40M	1.24%	218.28K
Principal International Eq Fd - Gross	1.32M	1.22%	-
Vanguard Health Care Inv	1.10M	1.01%	-1.79M

Recent Insider Transactions

Date	Name	Role	Activity	Value
May 18, 2026	Du Ying	Chairperson & CEO	Sell	$949.76K
May 15, 2026	Du Ying	Chairperson & CEO	Sell	$1.04M
May 14, 2026	Edmondson Frazor Titus III	Chief Legal Officer	Sell	$71.01K
May 13, 2026	Du Ying	Chairperson & CEO	Sell	$315.58K
May 13, 2026	Du Ying	Chairperson & CEO	Sell	$682.89K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	16
2026 Q1	1	12
2025 Q4	-	5
2025 Q3	1	11
2025 Q2	-	25

ZLAB Ownership FAQ

Who Owns Zai Lab?

Zai Lab shareholders are primarily institutional investors at 25.54%, followed by 1.90% insiders and 72.56% retail investors. The average institutional ownership in Zai Lab's industry, Biotech Stocks , is 35.75%, which Zai Lab falls below.

Who owns the most shares of Zai Lab?

Zai Lab’s largest shareholders are Rtw investments, lp (6.57M shares, 5.94%), Ra capital management (5.71M shares, 5.16%), and Frazier life sciences management (1.9M shares, 1.72%). Together, they hold 12.82% of Zai Lab’s total shares outstanding.

Does Blackrock own Zai Lab?

BlackRock is not among the top 10 institutional shareholders of Zai Lab.

Who is Zai Lab’s biggest shareholder by percentage of total assets invested?

B group is Zai Lab’s biggest shareholder by percentage of total assets invested, with 6.28% of its assets in 450.65K Zai Lab shares, valued at 8.48M$.

Who is the top mutual fund holder of Zai Lab shares?

American Funds New World A is the top mutual fund holder of Zai Lab shares, with 2.97% of its total shares outstanding invested in 3.27M Zai Lab shares.

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