Mabion was created by four local pharmaceutical companies – most of whom are the largest shareholders to this day.

Shareholding structure

*Mr Maciej Wieczorek holds 100% of the share capital of Glatton Sp. z o.o. and indirectly, through Glatton Sp. z o.o., 58.81% of the share capital of Celon Pharma S.A. and 68.17% of the total number of votes in Celon Pharma S.A.
No.	Shareholder	Number of shares	Number of votes	Share in total number of votes	Participation in the share capital
1.	Twiti Investments Limited	2 674 617	3 268 917	18,44%	16,55%
2.	Maciej Wieczorek through:*	1 717 485	2 210 335	12,47%	10,63%
	Glatton Sp. z o.o.	1 097 135	1 097 135	6,19%	6,79%
	Celon Pharma S.A.	620 350	1 113 200	6,28%	3,84%
3.	Polfarmex S.A.	1 474 346	1 957 196	11,04%	9,12%
4.	Other	10 295 878	10 295 878	58,06%	63,70%
	Total	16 162 326	17 732 326	100%	100%