Franklin Street Properties Corp /Ma/ (FSP) Institutional Ownership

Ownership Summary

Franklin Street Properties Corp /Ma/ (NYSE:FSP) is held by 114 institutional investors per 13F filings through December 2025.

• Their combined ownership stood at 58.3% of outstanding shares in December 2025, down from 61.0% in September 2025.
• They decreased total shares held in Franklin Street Properties by -3.82% from the prior quarter, while the number of investors in FSP stayed flat year over year.
• During the quarter, 46 of these 114 funds increased positions in FSP, 39 reduced exposure, and 29 held steady.
• The aggregate institutional position in Franklin Street Properties amounted to 60.48Mn shares as of December 2025, down by 2.4Mn shares quarter on quarter, and down 2.49Mn shares year over year.
• PRIVATE MANAGEMENT GROUP INC holds the largest position in FSP at 10.12Mn shares as of December 31, 2025, or 9.76% of shares outstanding.
• Leading buyers of Franklin Street Properties shares for the quarter ending December 2025 were GUARDSMAN PRIVATE CAPITAL MANAGEMENT, INC. (2.87Mn), RBF Capital, LLC (958.46K), RENAISSANCE TECHNOLOGIES LLC (479.94K), GSA CAPITAL PARTNERS LLP (405.3K), ACADIAN ASSET MANAGEMENT LLC (337.44K).
• The biggest sellers of Franklin Street Properties for the quarter ending December 2025 included Bank Of America Corp /De/ (5.12Mn), Peapod Lane Capital LLC (1.78Mn), Madison Avenue Partners, LP (326.97K), Cambria Investment Management, L.P. (297.26K), Russell Investments Group, Ltd. (231.02K).
• According to Business Quant data, leading holders of FSP for December 2025 are PRIVATE MANAGEMENT GROUP INC (10.12Mn), Newtyn Management, LLC (7.15Mn), BlackRock, Inc. (6.02Mn), Bank Of America Corp /De/ (5.19Mn), VANGUARD GROUP INC (4.68Mn), GUARDSMAN PRIVATE CAPITAL MANAGEMENT, INC. (2.87Mn), ACADIAN ASSET MANAGEMENT LLC (2.45Mn), Madison Avenue Partners, LP (2.25Mn), Morgan Stanley (2.04Mn), RBF Capital, LLC (1.92Mn).