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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
Adage Capital Partners
51
Adage Capital Partners
Massachusetts
$27.8M -$2.3M -32,569 -8%
AIIMS
52
Analyst IMS Investment Management Services
Israel
$25.3M +$4.02K +57 +0%
BNP Paribas Financial Markets
53
BNP Paribas Financial Markets
France
$24.6M -$915K -12,971 -4%
RhumbLine Advisers
54
RhumbLine Advisers
Massachusetts
$24.5M -$486K -6,885 -2%
SAM
55
Storebrand Asset Management
Norway
$24.5M +$13.5K +191 +0.1%
California Public Employees Retirement System
56
California Public Employees Retirement System
California
$23.5M -$263K -3,733 -1%
First Manhattan
57
First Manhattan
New York
$23.3M +$679K +9,624 +3%
TWC
58
The Woodbridge Company
Ontario, Canada
$22.3M – – –
Asset Management One
59
Asset Management One
Japan
$22.3M +$547K +7,757 +3%
WT
60
Whittier Trust
California
$22.2M +$617K +8,745 +3%
CCM
61
Causeway Capital Management
California
$21.7M +$1.32M +18,712 +7%
ACM
62
Adelante Capital Management
California
$21.2M +$10.9M +153,998 +117%
Wells Fargo
63
Wells Fargo
California
$20.4M +$3.41M +48,290 +21%
LIMS
64
Lasalle Investment Management Securities
Maryland
$20M -$5.46M -77,356 -22%
Nomura Asset Management
65
Nomura Asset Management
Japan
$19.7M +$658K +9,320 +4%
California State Teachers Retirement System (CalSTRS)
66
California State Teachers Retirement System (CalSTRS)
California
$19.6M +$2.92M +41,387 +19%
Ohio Public Employees Retirement System (OPERS)
67
Ohio Public Employees Retirement System (OPERS)
Ohio
$19.2M +$72.5K +1,028 +0.4%
Natixis Advisors
68
Natixis Advisors
Massachusetts
$19.2M +$2.69M +38,109 +17%
AllianceBernstein
69
AllianceBernstein
Tennessee
$18.8M -$2.51M -35,546 -12%
LA
70
Linden Advisors
New York
$18.7M +$17.8M +251,871 New
Fisher Asset Management
71
Fisher Asset Management
Washington
$18.6M +$2.8M +39,682 +19%
DSA
72
Davis Selected Advisers
Arizona
$17.8M +$2.13M +30,130 +14%
Universal-Beteiligungs- und Servicegesellschaft
73
Universal-Beteiligungs- und Servicegesellschaft
Germany
$17.7M +$3.68M +52,156 +28%
1832 Asset Management
74
1832 Asset Management
Ontario, Canada
$17.1M +$16.3M +230,507 New
WorldQuant Millennium Advisors
75
WorldQuant Millennium Advisors
New York
$16.8M +$6.08M +86,106 +62%
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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.