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., 55.8% of the share capital of Celon Pharma S.A. and 65.4% of the total number of votes in Celon Pharma S.A.(based on the interim report of Celon Pharma S.A. for Q1 2025).
No. Shareholder Number of shares Number of votes Share in total
number of votes
Participation in
the share capital
1. Twiti Investments Limited 1 917 982 2 512 282 11,87% 14,17%
2. Maciej Wieczorek through:* 1 717 485 2 210 335 10,63% 12,47%
Glatton Sp. z o.o. 1 097 135 1 097 135 6,79% 6,19%
Celon Pharma S.A. 620 350 1 113 200 3,84% 6,28%
3. Polfarmex S.A. 1 474 346 1 957 196 9,12% 11,04%
4. Other 11 052 513 11 052 513 68,38% 62,33%
Total 16 162 326 17 732 326 100% 100%