Triglav's shares went down 0.84% to 35.50 euro, LJSE data showed.
Lender Nova Ljubljanska Banka (NLB) [LJE:NLBR] generated the highest single turnover among the blue chips on Wednesday - of 1.1 million euro. NLB share price grew 0.43% to 117.50 euro.
The blue-chip SBITOP index lost 0.11% and closed at 1,493.18 points on Tuesday. The SBITOP TR index, which also tracks dividend distribution, also fell 0.11% to end at 2,020.62 points.
The bourse's daily trading turnover came in at 1.9 million euro ($2.1 million) on Wednesday, up from 1.7 million euro generated on Tuesday.
($ = 0.9257 euro)