Columbia Financial CLBK Institutional Ownership

Updated Oct 11, 2026

Columbia Financial, Inc. (NASDAQ:CLBK) was reported as a holding by 123 institutional investors in 13F filings for the quarter ended June 30, 2026.

• Collectively, these holders controlled 15.73% of Columbia Financial's outstanding shares in Q2 2026, up from 12.81% in Q1 2026.
• Total holdings of CLBK shares rose 22.90% from Q1 2026, and the holder count rose 3.36% from Q2 2025.
• Of the 123 holders of CLBK in Q2 2026, 71 added to their positions, 27 reduced their stakes and 25 left their positions unchanged.
• The aggregate institutional position in Columbia Financial was 16.37Mn shares at the end of Q2 2026, up 3.05Mn from the prior quarter and up 3.5Mn from a year earlier.
• BlackRock, Inc. held the largest position in CLBK at 2.45Mn shares as of June 30, 2026, or 2.35% of shares outstanding.
• Holders that added the most shares of Columbia Financial in Q2 2026 were Ursa Fund Management, LLC (+775.89K shares), State Street Corp (+307.08K shares), Two Sigma Investments, LP (+139.54K shares), BlackRock, Inc. (+136.17K shares) and Citadel Advisors LLC (+129.34K shares).
• Holders that trimmed the most shares of Columbia Financial in Q2 2026 while keeping a position were D. E. Shaw & Co., Inc. (-108.91K shares), Morgan Stanley (-72.14K shares), Tudor Investment Corp (-48.65K shares), Goldman Sachs Group Inc (-40.64K shares) and Vanguard Capital Management LLC (-25.58K shares).
• Per Business Quant data, the 10 largest holders of Columbia Financial at the end of Q2 2026 were BlackRock, Inc. (2.45Mn shares), Dimensional Fund Advisors LP (2.1Mn shares), Ursa Fund Management, LLC (1.28Mn shares), State Street Corp (1.23Mn shares), Vanguard Capital Management LLC (1.18Mn shares), Vanguard Portfolio Management LLC (1.12Mn shares), Geode Capital Management, LLC (786K shares), Renaissance Technologies LLC (718.96K shares), One Fin Capital Management LP (580K shares) and Weiss Asset Management LP (504.55K shares).