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

Ownership Summary

Franklin Street Properties Corp /Ma/ (NYSE:FSP) has 114 institutional investors that have filed 13F reports for the period ending December 2025.

• Their combined ownership stood at 58.3% of outstanding shares in December 2025, down from 61.0% in September 2025.
• Their total shares held in FSP decreased -3.82% from the prior quarter, while the number of investors in Franklin Street Properties stayed flat year over year.
• Activity in FSP broke down as 46 buyers, 39 sellers, and 29 unchanged among 114 total holders.
• Combined, these investors held 60.48Mn shares in FSP for December 2025, down by 2.4Mn shares quarter on quarter, and down 2.49Mn shares year over year.
• As of December 31, 2025, the biggest holder of Franklin Street Properties is PRIVATE MANAGEMENT GROUP INC at 10.05Mn shares, representing 9.7% of shares outstanding.
• Top purchasers of FSP stock for the quarter ending December 2025 included VANGUARD CAPITAL MANAGEMENT LLC (3.62Mn), UBS Group AG (1.14Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (533.57K), Cambria Investment Management, L.P. (532.01K), VANGUARD FIDUCIARY TRUST CO (522.65K).
• The largest sales of FSP for the quarter ending December 2025 came from Madison Avenue Partners, LP (1.17Mn), D. E. Shaw & Co., Inc. (584.65K), CITADEL ADVISORS LLC (397.5K), Morgan Stanley (297.47K), ACADIAN ASSET MANAGEMENT LLC (238.92K).
• Per Business Quant, the top 10 investors in FSP for the quarter ending December 2025 include PRIVATE MANAGEMENT GROUP INC (10.05Mn), Newtyn Management, LLC (7.15Mn), BlackRock, Inc. (5.99Mn), Bank Of America Corp /De/ (4.96Mn), VANGUARD CAPITAL MANAGEMENT LLC (3.62Mn), GUARDSMAN PRIVATE CAPITAL MANAGEMENT, INC. (2.87Mn), GEODE CAPITAL MANAGEMENT, LLC (2.26Mn), ACADIAN ASSET MANAGEMENT LLC (2.21Mn), RBF Capital, LLC (1.92Mn), Morgan Stanley (1.75Mn).