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Boston Properties
BXP

617 hedge funds and large institutions have $12.1B invested in Boston Properties in 2025 Q3 according to their latest regulatory filings, with 78 funds opening new positions, 226 increasing their positions, 210 reducing their positions, and 67 closing their positions.

New
Increased
Maintained
Reduced
Closed

16% more first-time investments, than exits

New positions opened: 78 | Existing positions closed: 67

1% more funds holding

Funds holding: 610 → 617 (+7)

8% more repeat investments, than reductions

Existing positions increased: 226 | Existing positions reduced: 210

5% more capital invested

Capital invested by funds: $11.5B → $12.1B (+$574M)

0% more call options, than puts

Call options by funds: $126M | Put options by funds: $125M

5.24% less ownership

Funds ownership: 107.76% → 102.52% (-5.2%)

40% less funds holding in top 10

Funds holding in top 10: 5 → 3 (-2)

Holders
617
Holders Change
+7
Holders Change %
+1.15%
% of All Funds
8.1%
Holding in Top 10
3
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-40%
% of All Funds
0.04%
New
78
Increased
226
Reduced
210
Closed
67
Calls
$126M
Puts
$125M
Net Calls
+$158K
Net Calls Change
-$12.9M

Top Buyers

1
Cohen & Steers
Cohen & Steers
New York
+$407M
2
Invesco
Invesco
Georgia
+$85.2M
3
Morgan Stanley
Morgan Stanley
New York
+$69.5M
4
Daiwa Securities Group
Daiwa Securities Group
Japan
+$61.7M
5
Deutsche Bank
Deutsche Bank
Germany
+$59.7M

Top Sellers

1
UBS AM
UBS AM
Illinois
-$189M
2
BlackRock
BlackRock
New York
-$120M
3
SM
Senvest Management
New York
-$95.9M
4
Allspring Global Investments
Allspring Global Investments
North Carolina
-$87.7M
5
JP Morgan Chase
JP Morgan Chase
New York
-$73M
Name Holding Trade Value Shares
Change 		Change in
Stake
Robeco Institutional Asset Management
76
Robeco Institutional Asset Management
Netherlands
$15.4M -$1.3M -18,438 -8%
Prudential Financial
77
Prudential Financial
New Jersey
$14.7M -$11.8M -167,547 -46%
Citigroup
78
Citigroup
New York
$13.8M -$3.6M -50,967 -21%
UIC
79
Uniplan Investment Counsel
Wisconsin
$13.8M +$3.01M +42,587 +30%
HF
80
HRT Financial
New York
$13.6M +$12.9M +183,186 New
Zurich Cantonal Bank
81
Zurich Cantonal Bank
Switzerland
$13.2M +$384K +5,439 +3%
AQR Capital Management
82
AQR Capital Management
Connecticut
$13.1M +$8.7M +123,278 +235%
PHAM
83
Pacific Heights Asset Management
California
$13M +$1.76M +25,000 +17%
Raymond James Financial
84
Raymond James Financial
Florida
$12.8M -$1.52M -21,535 -11%
D.E. Shaw & Co
85
D.E. Shaw & Co
New York
$12.6M +$10.9M +154,000 +1,000%
AIM
86
AXA Investment Managers
France
$12.4M +$11.7M +166,258 New
Bank of Montreal
87
Bank of Montreal
Ontario, Canada
$11.7M -$378K -5,353 -3%
New York State Common Retirement Fund
88
New York State Common Retirement Fund
New York
$11.5M -$466K -6,600 -4%
ZIM
89
Zacks Investment Management
Illinois
$11.3M +$66K +935 +0.6%
Allianz Asset Management
90
Allianz Asset Management
Germany
$11.1M +$3.87M +54,803 +58%
WTC
91
WhitTier Trust Company
Nevada
$10.6M +$220K +3,124 +2%
Swedbank
92
Swedbank
Sweden
$10.5M +$1.22M +17,253 +14%
Macquarie Group
93
Macquarie Group
Australia
$10.5M +$713K +10,105 +8%
Aviva
94
Aviva
United Kingdom
$10.2M +$176K +2,501 +2%
Commonwealth Equity Services
95
Commonwealth Equity Services
Massachusetts
$10.1M +$671K +9,503 +7%
HI
96
Horizon Investments
North Carolina
$9.97M +$9.31M +131,888 +5,759%
RCA
97
Riverview Capital Advisers
Massachusetts
$9.91M -$71.1K -1,007 -0.7%
GAM
98
Gotham Asset Management
New York
$9.89M +$6.69M +94,810 +248%
State Board of Administration of Florida Retirement System
99
State Board of Administration of Florida Retirement System
Florida
$9.84M -$165K -2,345 -2%
Susquehanna International Group
100
Susquehanna International Group
Pennsylvania
$9.26M -$5.41M -76,622 -38%
2 3
4
5 6

BXP Hedge Fund Activity: Q3 2025 in Review

617 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Boston Properties (BXP) for Q3 2025, worth a combined $12.1B — up 5% from $11.5B a quarter earlier.

Buyers outnumbered sellers: 78 funds opened new BXP positions and 67 closed out — a net gain of 11 holders — while 226 added to existing stakes and 210 trimmed.

The largest buyer was Cohen & Steers, adding an estimated $407M. The largest seller was UBS AM, cutting an estimated $189M.

  • 617 institutional investors held Boston Properties (BXP) as of Q3 2025, up from 610 in Q2 2025.
  • Funds reported $12.1B of Boston Properties stock for Q3 2025, up 5% quarter-over-quarter.
  • 78 funds opened new Boston Properties positions in Q3 2025 and 67 closed out, a net change of +11 holders.
  • The largest Boston Properties buyer in Q3 2025 was Cohen & Steers, an estimated $407M added.
  • The largest Boston Properties seller in Q3 2025 was UBS AM, an estimated $189M sold.

Based on aggregated 13F filings for Q3 2025.