Triglav's shares advanced 1.04% on Friday, closing at 39 euro, LJSE data showed.
Nova Ljubljanska Banka [LJE:NLBR] was the sole decliner among the blue-chips, as its shares lost 2.40% to end at 65.20 euro.
The blue-chip SBITOP index ended at 1,172.97 points, up 0.03%, whereas the SBITOP TR index, which also tracks dividend distribution, closed at 1,459.25 points, 0.02% higher compared with the previous trading day.
The bourse's total trading turnover increased to 1.3 million euro ($1.33 million) on Friday from 795,300 euro on Thursday.
Fuel and petrol retailer Petrol [LJE:PETG] dominated trading on Friday, as its shares switched hands in transactions worth a total of 582,524 euro. Petrol's shares closed 0.81% higher at 500 euro.
($ = 0.9747 euro)