Assembly Biosciences Ownership

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

Recent Insider Transactions

BST:V7B Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
17 Jun 26	Sell€582	Jeanette Bjorkquist	Individual	29	€20.06
30 Mar 26	Sell€4,590	Nicole White	Individual	197	€24.00
30 Mar 26	Sell€7,644	Jeanette Bjorkquist	Individual	328	€24.00

Insider Trading Volume

Insider Buying: V7B insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of V7B?
Owner Type	Number of Shares	Ownership Percentage
General Public	199,831	0.981%
Individual Insiders	616,073	3.03%
VC/PE Firms	1,020,410	5.01%
Hedge Funds	4,573,338	22.5%
Public Companies	4,977,089	24.4%
Institutions	8,973,855	44.1%

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 30.9%.

Top Shareholders

Top 25 shareholders own 89.83% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
24.4%	Gilead Sciences, Inc.	4,977,089	€142.9m	10.5%	no data
7.88%	Farallon Capital Management, L.L.C.	1,604,590	€46.1m	30.7%	0.27%
7.63%	Paradigm Biocapital Advisors LP	1,553,748	€44.6m	134%	0.94%
6.95%	Commodore Capital LP	1,415,000	€40.6m	41.5%	2.31%
6.68%	Janus Henderson Group Ltd.	1,359,514	€39.0m	60.1%	0.01%
5.01%	RA Capital Management, L.P.	1,020,410	€29.3m	0%	0.25%
3.77%	BlackRock, Inc.	766,819	€22.0m	278%	no data
3.54%	Parkman Healthcare Partners LLC	721,181	€20.7m	75.4%	2.11%
3.11%	Vanguard Capital Management, LLC	632,912	€18.2m	12.6%	no data
2.67%	Alexander Schornstein	543,523	€15.6m	0%	no data
2.26%	Point72 Asset Management, L.P.	460,593	€13.2m	33.9%	0.02%
2.13%	Seven Fleet Capital Management LP	433,147	€12.4m	671%	2.07%
1.47%	Millennium Management LLC	298,807	€8.6m	27.9%	0.01%
1.46%	Blackstone Alternative Asset Management L.P.	296,855	€8.5m	0%	0.63%
1.38%	Geode Capital Management, LLC	280,424	€8.1m	111%	no data
1.19%	Schonfeld Strategic Advisors LLC	242,153	€7.0m	101%	0.04%
1.13%	Columbia Management Investment Advisers, LLC	230,000	€6.6m	0%	no data
1.11%	DV Equities, LLC	226,415	€6.5m	0%	0.96%
1.02%	Aberdeen Group Plc	207,047	€5.9m	0%	no data
0.93%	Affinity Asset Advisors, LLC	190,000	€5.5m	0%	0.26%
0.86%	The B Group, Inc.	175,706	€5.0m	0%	2.67%
0.84%	State Street Investment Management	171,931	€4.9m	203%	no data
0.84%	StemPoint Capital LP	170,378	€4.9m	-8.12%	0.88%
0.79%	Squadron Capital Management LLC	160,000	€4.6m	0%	1.66%
0.74%	Woodline Partners LP	150,780	€4.3m	0%	0.01%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/08/21 17:39
End of Day Share Price	2026/08/21 00:00
Earnings	2026/06/30
Annual Earnings	2025/12/31

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

Assembly Biosciences, Inc. is covered by 12 analysts. 4 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
Brian Skorney	Baird
Madhu Kumar	B. Riley Securities, Inc.
Irina Rivkind Koffler	Cantor Fitzgerald & Co.