Ostin Technology Group Co., Ltd. (OST) Institutional Ownership

Ownership Summary

Ostin Technology Group Co., Ltd. (NASDAQ:OST) currently has 10 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

• Ostin Technology saw its institutional ownership percentage rose to 3.5% in December 2025 from 3.5% in September 2025.
• Quarterly data indicates a 1.05% shift in institutional share volume, and the annual owner count reflects an increase of 150.00%.
• Among the 10 institutional holders of Ostin Technology, 3 added to their stakes while 0 trimmed their positions and 7 held steady.
• The aggregate institutional position in Ostin Technology now stands at 79.63K shares as of December 2025, after investors increased their holdings (up by 829 shares quarter on quarter which is up 37.68K shares year over year).
• The top institutional stake in Ostin Technology as of December 31, 2025 belongs to CITADEL ADVISORS LLC, which owns 34.65K shares, or 1.52% of the company.
• Among the most significant buyers of Ostin Technology during December 2025 were BARCLAYS PLC (495), MORGAN STANLEY (174), WELLS FARGO & COMPANY/MN (160).
• The top 10 institutional holders of Ostin Technology for the quarter ending December 2025 included CITADEL ADVISORS LLC (34.65K), FNY Investment Advisers, LLC (23.16K), HRT FINANCIAL LP (13.55K), UBS Group AG (2.66K), MORGAN STANLEY (2.63K), BlackRock, Inc. (1.32K), BANK OF AMERICA CORP /DE/ (605), BARCLAYS PLC (495), Federation des caisses Desjardins du Quebec (403), WELLS FARGO & COMPANY/MN (160).