Boston Properties
618 hedge funds and large institutions have $12.1B invested in Boston Properties in 2025 Q4 according to their latest regulatory filings, with 81 funds opening new positions, 214 increasing their positions, 213 reducing their positions, and 72 closing their positions.
85% more call options, than puts
Call options by funds: $83.8M | Put options by funds: $45.2M
13% more first-time investments, than exits
New positions opened: 81 | Existing positions closed: 72
10.97% more ownership
Funds ownership: 102.52% → 113.49% (+11%)
0% more repeat investments, than reductions
Existing positions increased: 214 | Existing positions reduced: 213
0% more capital invested
Capital invested by funds: $12.1B → $12.1B (+$44.4M)
0% more funds holding
Funds holding: 618 → 618 (0)
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Cohen & Steers
New York
|
+$320M |
| 2 |
UBS AM
Chicago,
Illinois
|
+$134M |
| 3 |
Daiwa Securities Group
Tokyo,
Japan
|
+$74.9M |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$46.1M |
| 5 |
BlackRock
New York
|
+$36.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Allspring Global Investments
Charlotte,
North Carolina
|
-$56.6M |
| 2 |
Morgan Stanley
New York
|
-$26.9M |
| 3 |
Massachusetts Financial Services
Boston,
Massachusetts
|
-$26.1M |
| 4 |
BAMCO Inc
New York
|
-$24.2M |
| 5 |
Bank of New York Mellon
New York
|
-$21.4M |
BXP Hedge Fund Activity: Q4 2025 in Review
618 institutional investors reported a position in Boston Properties (BXP) for Q4 2025, worth a combined $12.1B — up 0.37% from $12.1B a quarter earlier.
Buyers outnumbered sellers: 81 funds opened new BXP positions and 72 closed out — a net gain of 9 holders — while 214 added to existing stakes and 213 trimmed.
The largest buyer was Cohen & Steers, adding an estimated $320M. The largest seller was Allspring Global Investments, cutting an estimated $56.6M.
- 618 institutional investors held Boston Properties (BXP) as of Q4 2025, unchanged from Q3 2025.
- Funds reported $12.1B of Boston Properties stock for Q4 2025, up 0.37% quarter-over-quarter.
- 81 funds opened new Boston Properties positions in Q4 2025 and 72 closed out, a net change of +9 holders.
- The largest Boston Properties buyer in Q4 2025 was Cohen & Steers, an estimated $320M added.
- The largest Boston Properties seller in Q4 2025 was Allspring Global Investments, an estimated $56.6M sold.
Based on aggregated 13F filings for Q4 2025.