CStone Pharmaceuticals Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

SEHK:2616 Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
02 May 25	BuyHK$778,574	Jianxin Yang	Individual	282,000	HK$2.76
10 Apr 25	SellHK$218,762,346	Morgan Stanley, Investment Banking and Brokerage Investments	Company	74,214,500	HK$2.95
07 Apr 25	BuyHK$860,399	Jianxin Yang	Individual	360,000	HK$2.39
03 Apr 25	BuyHK$477,000	Jianxin Yang	Individual	150,000	HK$3.18
02 Apr 25	BuyHK$164,500	Jianxin Yang	Individual	50,000	HK$3.29
30 Dec 24	SellHK$340,785	Jianxin Yang	Individual	149,500	HK$2.28
27 Dec 24	SellHK$352,500	Jianxin Yang	Individual	150,000	HK$2.35
25 Oct 24	BuyHK$1,872,856	Zhengguo Hu	Individual	921,000	HK$2.03
18 Oct 24	BuyHK$1,524,426	Jianxin Yang	Individual	886,500	HK$1.72
17 Sep 24	SellHK$956,608	Suzhou Oriza Holdings Co., Ltd.	Company	590,500	HK$1.62
21 Jun 24	BuyHK$175,138	Jianxin Yang	Individual	160,500	HK$1.09
20 Jun 24	BuyHK$131,344	Jianxin Yang	Individual	122,500	HK$1.07
19 Jun 24	BuyHK$212,499	Jianxin Yang	Individual	200,000	HK$1.06
18 Jun 24	BuyHK$160,500	Jianxin Yang	Individual	150,000	HK$1.07
17 Jun 24	BuyHK$106,500	Jianxin Yang	Individual	100,000	HK$1.07
07 Jun 24	BuyHK$409,499	Jianxin Yang	Individual	350,000	HK$1.17
06 Jun 24	BuyHK$241,000	Jianxin Yang	Individual	200,000	HK$1.21
05 Jun 24	BuyHK$124,500	Jianxin Yang	Individual	100,000	HK$1.25

Insider Trading Volume

Insider Buying: 2616 insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of 2616?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	21,237,241	1.56%
Institutions	85,924,471	6.33%
Public Companies	115,928,803	8.54%
VC/PE Firms	434,929,892	32%
General Public	699,045,787	51.5%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 10 shareholders own 48.49% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
21.6%	6 Dimensions Capital Limited	293,381,444	HK$1.1b	0%	33.05%
10.4%	Boyu Capital Group Management Ltd.	141,548,448	HK$518.1m	-0.71%	6.09%
8.54%	Pfizer Inc.	115,928,803	HK$424.3m	0%	no data
4.72%	Suzhou Oriza Holdings Co., Ltd.	64,030,316	HK$234.4m	0%	2.58%
1.31%	Jianxin Yang	17,718,756	HK$64.9m	8.34%	no data
0.85%	Franklin Resources, Inc.	11,524,761	HK$42.2m	18.3%	no data
0.76%	Morgan Stanley, Investment Banking and Brokerage Investments	10,260,894	HK$37.6m	1,930%	no data
0.19%	Hitchner III Walton	2,597,485	HK$9.5m	0%	no data
0.068%	Zhengguo Hu	921,000	HK$3.4m	0%	no data
0.008%	State Street Global Advisors, Inc.	108,500	HK$397.3k	-9.21%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/05/21 04:15
End of Day Share Price	2025/05/21 00:00
Earnings	2024/12/31
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

CStone Pharmaceuticals is covered by 4 analysts. 2 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Ziyi Chen	Goldman Sachs
Ling Wang	J.P. Morgan
Sean Wu	Morgan Stanley