The largest holder of Bxp stock is Cohen & Steers Capital Management, Inc., with 22.8 million shares (14.27% of the company), worth about $1.55 billion as of September 25, 2026. The 10 largest holders together own 66.3%.
In Q2 2026, 579 institutional holdings reports listed shares worth $12.60 billion.
Insiders reported 19 transactions in the last two years: 9 sales worth $6.62 million and no purchases. The newest one on file is from February 27, 2026 (Spann Hilary J., Officer).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through February 27, 2026.

2026Q2
| Holder | Shares | % of company | Value |
|---|---|---|---|
| Cohen & Steers Capital Management, Inc. | 22.8 million | 14.27% | $1.5B |
| BlackRock Advisors LLC | 14.7 million | 9.21% | $1.0B |
| Vanguard Portfolio Management LLC | 13.0 million | 8.12% | $881.0M |
| Vanguard Capital Management LLC | 10.1 million | 6.30% | $683.0M |
| State Street Corporation | 9.8 million | 6.17% | $669.0M |
| First Eagle Investment Management LLC | 9.5 million | 5.93% | $644.0M |
| APG Asset Management US, Inc. | 7.2 million | 4.53% | $492.0M |
| Norges Bank Investment Management | 6.5 million | 4.06% | $441.0M |
| Norges Bank (13F) | 6.5 million | 4.06% | $441.0M |
| Invesco Advisers, Inc. | 5.8 million | 3.63% | $394.0M |
As of September 25, 2026.
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 579 | – | $12.6B |
| Q1 2026 | 561 | 169.0 million | $8.8B |
| Q4 2025 | 651 | 181.0 million | $12.2B |
| Q3 2025 | 665 | 165.0 million | $12.3B |
| Q2 2025 | 650 | 171.0 million | $11.6B |
| Q1 2025 | 645 | 167.0 million | $11.2B |
| Q4 2024 | 661 | 162.0 million | $12.0B |
| Q3 2024 | 626 | 164.0 million | $13.2B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Spann Hilary J. | Feb 27, 2026 | Officer | Sale at price 59.69 per share. | $327,997 |
| Spann Hilary J. | Feb 25, 2026 | Officer | -- | – |
| Thomas Owen D | Feb 13, 2026 | Chief Executive Officer | Sale at price 61.22 per share. | $73,341 |
| Spann Hilary J. | Feb 5, 2026 | Officer | Sale at price 63.31 per share. | $75,592 |
| Spann Hilary J. | Jan 30, 2026 | Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Ritchey Raymond A | Dec 1, 2025 | Officer | Sale at price 72.18 per share. | $2.6M |
| Ritchey Raymond A | Nov 26, 2025 | Officer | -- | – |
| Otteni Peter V | Nov 25, 2025 | Officer | Sale at price 72.65 per share. | $300,470 |
| Otteni Peter V | Nov 17, 2025 | Officer | -- | – |
| Stroman John J | Nov 12, 2025 | Officer | Sale at price 72.17 per share. | $1.2M |
| Labelle Michael E. | Nov 7, 2025 | Chief Financial Officer | Sale at price 72.34 per share. | $970,952 |
| Kevorkian Eric G | Nov 6, 2025 | Officer | Stock Gift at price 0.00 per share. | – |
Newest 12 of 19 insider transactions in the last two years.
Cohen & Steers Capital Management, Inc., with 14.27% of the company (as of September 25, 2026). Next: BlackRock Advisors LLC (9.21%) and Vanguard Portfolio Management LLC (8.12%).
579 institutional holdings reports listed Bxp shares in Q2 2026 worth $12.60 billion.
In the last two years insiders reported 9 sales and no purchases (19 transactions in all); the newest on file is from February 27, 2026.