ROME (Reuters) - Bailed-out lender Monte dei Paschi di Siena (MPS) launched on Friday a 13.3 billion euro ($13.9 billion) all-share buyout offer for Mediobanca, in the latest surprise twist of a complex Italian banking saga.

The following table sets out the key shareholders in the financial groups involved. Data as of Jan. 23.

Market Cap (mln Value

euros) of

stake

46,262 mln

GENERALI euros

MEDIOBANCA 13.1 6,060

DELFIN 9.93 4,594

CALTAGIRONE 6.92 3,201

BENETTON 4.8 2,221

12,731

MEDIOBANCA

DELFIN 19.81 2,522

CALTAGIRONE 7.76 988

BLACKROCK 4.23 539

MEDIOLANUM 3.49 444

8,778

MPS

MEF 11.73 1,030

DELFIN 9.78 858

CALTAGIRONE 5.03 442

BANCO BPM 5 439

ANIMA 3.99 350

2,126

ANIMA

BANCO BPM 22.4 476

POSTE 11.95 254

FSI 9.77 208

CALTAGIRONE 3.46 74

12,508

BANCO BPM

CREDIT AGRICOLE 15.1 1,889

BLACKROCK 5.04 630

JPMORGAN 3.06 383

CALTAGIRONE 2 250

(Compiled by Stefano Bernabei, editing by Gavin Jones)