Aptamer Group Ownership

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

Recent Insider Transactions

AIM:APTA Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
08 Sep 25	BuyUK£49,999	Pathcelerate Limited	Company		5,000,000	UK£0.01

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of APTA?
Owner Type	Number of Shares	Ownership Percentage
Public Companies	7,650,000	0.221%
Individual Insiders	180,656,118	5.23%
Private Companies	410,489,432	11.9%
General Public	566,360,206	16.4%
Institutions	2,289,988,194	66.3%

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 73.5%.

Top Shareholders

Top 25 shareholders own 80.2% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
12.6%	Aberdeen Group Plc	434,235,284	UK£2.4m	9.31%	no data
11.9%	Hargreaves Lansdown Asset Management Ltd.	411,610,078	UK£2.3m	0.95%	0.01%
11.4%	Saxo Bank A/S	395,502,512	UK£2.2m	0%	0.1%
6.27%	Tracarta Ltd.	216,666,667	UK£1.2m	0%	no data
5.32%	Pathcelerate Limited	183,712,638	UK£1.0m	4.75%	no data
4.98%	Oberon Investments Group Plc	172,050,431	UK£946.3k	0%	0.41%
4.12%	Fiske plc	142,444,445	UK£783.4k	0%	0.28%
3.64%	HBOS Investment Fund Managers Limited	125,823,862	UK£692.0k	6.62%	no data
3.41%	Nicholas Slater	117,933,333	UK£648.6k	0%	no data
2.66%	Dowgate Capital Limited	91,757,684	UK£504.7k	0%	0.26%
2.39%	Barclays Bank PLC	82,422,955	UK£453.3k	21.7%	no data
1.46%	Seneca Partners Limited	50,495,726	UK£277.7k	0%	5.79%
1.4%	Method Investments & Advisory Limited	48,500,000	UK£266.7k	0%	1.55%
1.16%	Puma Investment Management Limited	40,166,667	UK£220.9k	1,980%	0.2%
0.95%	GHC Capital Markets Ltd.	32,973,040	UK£181.4k	14.3%	0.2%
0.9%	Peel Hunt LLP	30,977,204	UK£170.4k	1,570%	0.04%
0.74%	BIF GmbH	25,689,269	UK£141.3k	48%	no data
0.72%	Arron Tolley	24,907,625	UK£137.0k	7.17%	no data
0.68%	HSBC Global Asset Management (UK) Limited	23,492,000	UK£129.2k	8.03%	no data
0.66%	TrinityBridge Limited	22,887,351	UK£125.9k	217%	no data
0.65%	Raymond James Wealth Management Limited	22,621,748	UK£124.4k	8.7%	no data
0.62%	David Bunka	21,508,736	UK£118.3k	8.4%	no data
0.58%	Lombard Odier Darier Hentsch & Cie Asset Management	20,113,333	UK£110.6k	0%	no data
0.58%	Fidelity International Ltd	20,029,057	UK£110.2k	-15.2%	no data
0.36%	IG Group Holdings plc	12,583,358	UK£69.2k	-5.84%	0.01%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/06/03 04:35
End of Day Share Price	2026/06/03 00:00
Earnings	2025/12/31
Annual Earnings	2025/06/30

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

Aptamer Group PLC is covered by 2 analysts. 0 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
Alistair Campbell	Panmure Liberum
Edward Thomason	Panmure Liberum