Pioneer Bancorp, Inc./MD (PBFS) Institutional Ownership

Ownership Summary

Pioneer Bancorp, Inc./MD (NASDAQ:PBFS) currently has 73 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

• The collective stake of institutional investors in Pioneer Bancorp moved to 23.5% in December 2025, a shift up from the 23.0% reported for September 2025.
• On a quarter-over-quarter basis, institutional holdings shifted by 3.12%, with a year-over-year an increase of 12.31% in the count of filers.
• During the quarter, 32 institutions bought more Pioneer Bancorp shares, 24 sold shares, and 17 of the 73 total investors held their position steady.
• The total number of shares held by institutions in Pioneer Bancorp increased to 5.84Mn as of December 2025, a net change of up by 176.51K shares quarter on quarter, and down 429.71K shares year over year.
• As of December 31, 2025, M3F, Inc. held Pioneer Bancorp's largest shareholding position with over 2.03Mn shares, representing 8.20% of total outstanding shares.
• Among the most significant buyers of Pioneer Bancorp during December 2025 were M3F, Inc. (149.77K), Tripletail Wealth Management, LLC (23.32K), VANGUARD GROUP INC (15.20K), ALLIANCEBERNSTEIN L.P. (6.78K), AQR CAPITAL MANAGEMENT LLC (5.49K).
• Leading sellers of Pioneer Bancorp stock in December 2025 included RENAISSANCE TECHNOLOGIES LLC (13.78K), MILLENNIUM MANAGEMENT LLC (9.40K), CITADEL ADVISORS LLC (7.72K), NORTHERN TRUST CORP (7.18K), Private Capital Management, LLC (3.02K).
• The top 10 institutional holders of Pioneer Bancorp for the quarter ending December 2025 included M3F, Inc. (2.03Mn), VANGUARD GROUP INC (652.47K), BlackRock, Inc. (615.35K), ALLIANCEBERNSTEIN L.P. (488.26K), Private Capital Management, LLC (362.43K), GEODE CAPITAL MANAGEMENT, LLC (252.87K), DIMENSIONAL FUND ADVISORS LP (216.06K), STATE STREET CORP (180.70K), First Pacific Advisors, LP (166.97K), NORTHERN TRUST CORP (77.06K).