NSTS Bancorp, Inc. (NSTS) Institutional Ownership

Ownership Summary

According to SEC filings for the period ending September 2025, NSTS Bancorp, Inc. (NASDAQ:NSTS) is held by 17 institutional firms.

• Institutional ownership in NSTS Bancorp edged up to 24.4% in September 2025, compared to 22.3% in June 2025.
• The company experienced a 0.36% quarterly change in institutional shares held, alongside an increase of 21.43% in total owners annually.
• Of these 17 institutional investors, 5 increased their holdings in NSTS Bancorp, while 3 of them reduced positions, and 9 investors maintained their exposure.
• This class of investors increased its holdings in NSTS Bancorp to 1.15Mn shares for the 13F-cycle ending September 2025, up by 4.12K shares quarter on quarter, and up 115.64K shares year over year.
• ALLIANCEBERNSTEIN L.P.'s holding of 518.32K shares as of September 30, 2025 makes it the primary institutional investor in NSTS Bancorp, owning 10.97% of the stock.
• Among the most significant buyers of NSTS Bancorp during September 2025 were Kovitz Investment Group Partners, LLC (6.98K), ALLIANCEBERNSTEIN L.P. (3.02K), BlackRock, Inc. (125), GEODE CAPITAL MANAGEMENT, LLC (55), BARCLAYS PLC (1).
• Leading sellers of NSTS Bancorp stock in September 2025 included Miracle Mile Advisors, LLC (3.49K), NORTHERN TRUST CORP (2.53K), BANK OF AMERICA CORP /DE/ (42).
• The top 10 institutional holders of NSTS Bancorp for the quarter ending September 2025 included ALLIANCEBERNSTEIN L.P. (518.32K), VANGUARD GROUP INC (248.31K), RAFFLES ASSOCIATES LP (93.77K), Kovitz Investment Group Partners, LLC (53.53K), GEODE CAPITAL MANAGEMENT, LLC (46.61K), Creative Planning (45.00K), M3F, Inc. (38.10K), ROBERTS GLORE & CO INC /IL/ (36.50K), NORTHERN TRUST CORP (22.21K), RENAISSANCE TECHNOLOGIES LLC (14.40K).