1、 UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington,DC 20549FORM 10-Q(Mark One)QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended September 30,2025 ORTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE A
2、CT OF 1934For the transition period from toCommission File No.000-29961 ALLIANCEBERNSTEIN L.P.(Exact name of registrant as specified in its charter)Delaware 13-4064930(State or other jurisdiction of incorporation or organization)(I.R.S.Employer Identification No.)501 Commerce Street,Nashville,TN 372
3、03(Address of principal executive offices)(Zip Code)(615)622-0000(Registrants telephone number,including area code)Indicate by check mark whether the registrant(1)has filed all reports required to be filed by Section 13 or 15(d)of the Securities Exchange Act of 1934 during the preceding 12 months(or
4、 for such shorter period that the registrant was required to file such reports),and(2)has been subject to such filing requirements for the past 90 days.Yes No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to R
5、ule 405 of Regulation S-T(232.405 of this chapter)during the preceding 12 months(or for such shorter period that the registrant was required to submit such files).Yes No Indicate by check mark whether the registrant is a large accelerated filer,an accelerated filer,a non-accelerated filer,smaller re
6、porting company,or an emerging growth company.See definition of“large accelerated filer,”“accelerated filer,”“smaller reporting company,”and“emerging growth company”in Rule 12b-2 of the Exchange Act.(Check one):Large accelerated filer Accelerated filer Non-accelerated filer Smaller reporting company