Isabella Bank ISBA Institutional Ownership

Updated Oct 10, 2026

Isabella Bank Corp (NASDAQ:ISBA) was held by 59 institutional investors that filed 13F reports for the quarter ended June 30, 2026.

• These investors held 20.43% of Isabella Bank's outstanding shares at the end of Q2 2026, up from 13.69% in Q1 2026.
• Total shares held in Isabella Bank rose 55.22% from Q1 2026, while the number of holders rose 268.75% from Q2 2025.
• Of these 59 holders, 43 added to their positions, 5 reduced their stakes and 11 left their positions unchanged.
• The aggregate institutional position in Isabella Bank was 1.56Mn shares at the end of Q2 2026, up 554.34K from the prior quarter and up 1.27Mn from a year earlier.
• BlackRock, Inc. was the top holder of Isabella Bank as of June 30, 2026, with 467.43K shares, or 6.13% of shares outstanding.
• Among existing holders, the largest additions to Isabella Bank in Q2 2026 came from BlackRock, Inc. (+367.23K shares), Geode Capital Management, LLC (+95.85K shares), State Street Corp (+64.53K shares), Northern Trust Corp (+38.73K shares) and Vanguard Capital Management LLC (+25.55K shares).
• Among holders that kept a stake in Isabella Bank, the biggest sellers in Q2 2026 were Marshall Wace, LLP (-33.81K shares), Qube Research & Technologies Ltd (-14.18K shares), UBS Group AG (-9.95K shares), Morgan Stanley (-6.12K shares) and Citigroup Inc (-298 shares).
• According to Business Quant data, the leading holders of ISBA for Q2 2026 were BlackRock, Inc. (467.43K shares), Vanguard Capital Management LLC (299.6K shares), Geode Capital Management, LLC (176.25K shares), State Street Corp (86.58K shares), Northern Trust Corp (53.47K shares), Vanguard Portfolio Management LLC (46.74K shares), Vanguard Fiduciary Trust Co (46.48K shares), Harbour Investments, Inc. (32.99K shares), Victory Capital Management Inc (31K shares) and Goldman Sachs Group Inc (27.46K shares).