NSTS Bancorp, Inc. (NSTS) Institutional Ownership

Ownership Summary

The institutional landscape for NSTS Bancorp, Inc. (NASDAQ:NSTS) includes 20 filers as of the latest reporting cycle ending December 2025.

• The collective stake of institutional investors in NSTS Bancorp moved to 24.8% in December 2025, a shift up from the 24.4% reported for September 2025.
• On a quarter-over-quarter basis, institutional holdings shifted by 7.83%, with a year-over-year an increase of 5.26% in the count of filers.
• During the quarter, 7 institutions bought more NSTS Bancorp shares, 5 sold shares, and 8 of the 20 total investors held their position steady.
• Collectively, institutional investors increased their stake in NSTS Bancorp to 1.17Mn shares as of December 2025, a change that is up by 85.07K shares quarter on quarter and up 40.67K shares year over year.
• With 513.25K shares, ALLIANCEBERNSTEIN L.P. commands the largest institutional position in NSTS Bancorp as of December 31, 2025, equating to 10.86% of the company.
• Among the most significant buyers of NSTS Bancorp during December 2025 were GRAHAM CAPITAL WEALTH MANAGEMENT, LLC (69.53K), Focus Partners Wealth (60.73K), RENAISSANCE TECHNOLOGIES LLC (3.10K), HARBOUR INVESTMENTS, INC. (500), BlackRock, Inc. (160).
• Leading sellers of NSTS Bancorp stock in December 2025 included VANGUARD GROUP INC (30.35K), M3F, Inc. (11.44K), ALLIANCEBERNSTEIN L.P. (5.07K), GEODE CAPITAL MANAGEMENT, LLC (1.23K), NORTHERN TRUST CORP (883).
• The top 10 institutional holders of NSTS Bancorp for the quarter ending December 2025 included ALLIANCEBERNSTEIN L.P. (513.25K), VANGUARD GROUP INC (217.96K), RAFFLES ASSOCIATES LP (93.77K), GRAHAM CAPITAL WEALTH MANAGEMENT, LLC (69.53K), Focus Partners Wealth (60.73K), GEODE CAPITAL MANAGEMENT, LLC (45.38K), Creative Planning (45.00K), ROBERTS GLORE & CO INC /IL/ (36.50K), M3F, Inc. (26.66K), NORTHERN TRUST CORP (21.32K).