Boston Properties
538 hedge funds and large institutions have $8.79B invested in Boston Properties in 2026 Q1 according to their latest regulatory filings, with 73 funds opening new positions, 158 increasing their positions, 235 reducing their positions, and 143 closing their positions.
6.78% less ownership
Funds ownership: 113.49% → 106.71% (-6.8%)
13% less funds holding
Funds holding: 618 → 538 (-80)
23% less call options, than puts
Call options by funds: $37.3M | Put options by funds: $48.7M
28% less capital invested
Capital invested by funds: $12.1B → $8.79B (-$3.35B)
33% less repeat investments, than reductions
Existing positions increased: 158 | Existing positions reduced: 235
33% less funds holding in top 10
Funds holding in top 10: 3 → 2 (-1)
49% less first-time investments, than exits
New positions opened: 73 | Existing positions closed: 143
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
First Eagle Investment Management
New York
|
+$357M |
| 2 |
Cohen & Steers
New York
|
+$329M |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$139M |
| 4 |
Invesco
Atlanta,
Georgia
|
+$130M |
| 5 |
Daiwa Securities Group
Tokyo,
Japan
|
+$75.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Boston Partners
Boston,
Massachusetts
|
-$207M |
| 2 |
Allspring Global Investments
Charlotte,
North Carolina
|
-$124M |
| 3 |
BlackRock
New York
|
-$112M |
| 4 |
CIM
Centersquare Investment Management
Conshohocken,
Pennsylvania
|
-$104M |
| 5 |
VOYA Investment Management
Atlanta,
Georgia
|
-$87.3M |
BXP Hedge Fund Activity: Q1 2026 in Review
538 institutional investors reported a position in Boston Properties (BXP) for Q1 2026, worth a combined $8.79B — down 28% from $12.1B a quarter earlier.
Sellers outnumbered buyers: 143 funds closed out of BXP and 73 opened new positions — a net loss of 70 holders — while 235 trimmed existing stakes and 158 added.
The largest buyer was First Eagle Investment Management, adding an estimated $357M. The largest seller was Boston Partners, cutting an estimated $207M.
- 538 institutional investors held Boston Properties (BXP) as of Q1 2026, down from 618 in Q4 2025.
- Funds reported $8.79B of Boston Properties stock for Q1 2026, down 28% quarter-over-quarter.
- 73 funds opened new Boston Properties positions in Q1 2026 and 143 closed out, a net change of -70 holders.
- The largest Boston Properties buyer in Q1 2026 was First Eagle Investment Management, an estimated $357M added.
- The largest Boston Properties seller in Q1 2026 was Boston Partners, an estimated $207M sold.
Based on aggregated 13F filings for Q1 2026.