SELECT DISTINCT PARTY.NAME INVESTOR_NAME FROM OKC_K_HEADERS_B OKL , OKC_K_PARTY_ROLES_V PARTY_ROLE , OKX_PARTIES_V PARTY WHERE OKL.SCS_CODE = 'INVESTOR' AND OKL.ID = PARTY_ROLE.DNZ_CHR_ID AND PARTY_ROLE.RLE_CODE = 'INVESTOR' AND PARTY_ROLE.OBJECT1_ID1 = PARTY.ID1