Who owns FRANKLIN STREET PROPERTIES CORP /MA/?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of FSP from SEC Form 13F filings across 112 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 112 institutions disclosed 56.8M shares of FRANKLIN STREET PROPERTIES CORP /MA/ worth $29.2M — about 54.7% of shares outstanding; the largest disclosed holder is PRIVATE MANAGEMENT GROUP INC. Source: SEC Form 13F filings, parsed by EvidInvest.
112
13F holders
$29.2M
value, 2026 filers
54.7%
of shares outstanding (56.8M sh)
26
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of FSP's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | PRIVATE MANAGEMENT GROUP INC | 10.2M | $5.2M | 0.1% | 9.8% | +1.1% |
| 2 | Newtyn Management, LLC | 7.2M | $3.7M | 0.5% | 6.9% | 0.0% |
| 3 | Converium Capital Inc. | 6.6M | $3.4M | 0.4% | 6.4% | 0.0% |
| 4 | BANK OF AMERICA CORP /DE/ | 4.8M | $2.5M | 0.0% | 4.6% | -3.5% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 3.7M | $1.9M | 0.0% | 3.6% | +3.3% |
| 6 | GUARDSMAN PRIVATE CAPITAL MANAGEMENT, INC. | 2.9M | $1.5M | 1.0% | 2.8% | 0.0% |
| 7 | ACADIAN ASSET MANAGEMENT LLC | 2.0M | $1.0M | 0.0% | 1.9% | -9.6% |
| 8 | RENAISSANCE TECHNOLOGIES LLC | 1.9M | $987,249 | 0.0% | 1.8% | +13.3% |
| 9 | BlackRock, Inc. | 1.4M | $716,072 | 0.0% | 1.3% | -76.8% |
| 10 | CONFLUENCE INVESTMENT MANAGEMENT LLC | 1.2M | $634,303 | 0.0% | 1.2% | 0.0% |
| 11 | MORGAN STANLEY | 1.2M | $605,158 | 0.0% | 1.1% | -32.7% |
| 12 | Cambria Investment Management, L.P. | 1.1M | $559,621 | 0.0% | 1% | +24.1% |
| 13 | RBF Capital, LLC | 958,456 | $493,605 | 0.0% | 0.9% | 0.0% |
| 14 | AQR CAPITAL MANAGEMENT LLC | 938,924 | $483,544 | 0.0% | 0.9% | +190.2% |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 909,782 | $468,681 | 0.0% | 0.9% | -59.8% |
| 16 | JANE STREET GROUP, LLCNEW | 854,669 | $440,154 | 0.0% | 0.8% | new |
| 17 | CITADEL ADVISORS LLC | 654,954 | $337,301 | 0.0% | 0.6% | +484.3% |
| 18 | GOLDMAN SACHS GROUP INC | 566,786 | $291,895 | 0.0% | 0.5% | +5.1% |
| 19 | MILLENNIUM MANAGEMENT LLCNEW | 524,705 | $270,223 | 0.0% | 0.5% | new |
| 20 | GSA CAPITAL PARTNERS LLP | 499,496 | $257,000 | 0.0% | 0.5% | -4.1% |
| 21 | VANGUARD FIDUCIARY TRUST CO | 490,602 | $252,660 | 0.0% | 0.5% | -6.1% |
| 22 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 442,807 | $228,045 | 0.0% | 0.4% | +1373.1% |
| 23 | DIMENSIONAL FUND ADVISORS LP | 423,310 | $218,086 | 0.0% | 0.4% | 0.0% |
| 24 | STATE STREET CORP | 420,203 | $216,405 | 0.0% | 0.4% | -73.7% |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 399,237 | $205,607 | 0.0% | 0.4% | -33.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.