Optima bank Ownership

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

Recent Insider Transactions

ATSE:OPTIMA Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
15 Dec 25	Sell€39,521	Theofanis Voutsaras	Individual		5,000	€7.90

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 OPTIMA?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	19,501,279	8.82%
Public Companies	19,806,504	8.96%
Institutions	41,595,756	18.8%
General Public	140,189,917	63.4%

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

Top Shareholders

Top 25 shareholders own 34.08% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
8.96%	Motor Oil (Hellas) Corinth Refineries S.A.	19,806,504	€234.7m	0%	no data
7.27%	Ioannis Vardinoyannis	16,066,575	€190.4m	0%	no data
3.4%	Vanguard Capital Management, LLC	7,525,272	€89.2m	0.52%	no data
2.85%	FMR LLC	6,306,427	€74.7m	4.51%	no data
2.83%	Capital Research and Management Company	6,250,342	€74.1m	2.81%	no data
1.47%	Strategic Advisers LLC	3,241,707	€38.4m	27%	0.01%
1.34%	BlackRock, Inc.	2,973,463	€35.2m	11.1%	no data
0.81%	George Taniskidis	1,792,509	€21.2m	0%	no data
0.8%	Eaton Vance Management	1,767,159	€20.9m	0%	no data
0.44%	Amundi Asset Management SAS	962,198	€11.4m	-2.84%	no data
0.42%	Janus Henderson Group Ltd.	928,091	€11.0m	0%	no data
0.36%	Financiere de l'Echiquier	800,000	€9.5m	0%	0.08%
0.34%	Mirae Asset Global Investments Co., Ltd.	748,473	€8.9m	4.09%	0.01%
0.34%	Fidelity International Ltd	748,257	€8.9m	0%	no data
0.32%	JP Morgan Asset Management	706,089	€8.4m	0.07%	no data
0.27%	Aguja Capital GmbH	600,000	€7.1m	0%	3.36%
0.25%	Kayne Anderson Rudnick Investment Management, LLC	550,986	€6.5m	-20.6%	0.02%
0.24%	William Blair Investment Management, LLC	533,455	€6.3m	29.2%	0.01%
0.22%	East Capital Asset Management AB	478,146	€5.7m	0%	1.27%
0.21%	East Capital AB	454,534	€5.4m	0%	2.95%
0.2%	Jackson National Asset Management, LLC	450,747	€5.3m	0%	0.06%
0.2%	Dimensional Fund Advisors LP	433,992	€5.1m	10.5%	no data
0.19%	American Century Investment Management Inc	417,679	€4.9m	0.83%	no data
0.19%	Vontobel Asset Management AG	411,477	€4.9m	0%	0.03%
0.18%	Eurobank Mutual Fund Management Co.	397,962	€4.7m	0%	0.84%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/09/09 17:35
End of Day Share Price	2026/09/09 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 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

Optima bank S.A. is covered by 5 analysts. 3 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
Stamatios Draziotis	Eurobank Equities Investment Firm S.A.
Andreas Souvleros	Eurobank Equities Investment Firm S.A.
Alexander Demetriou	Jefferies LLC