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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

Rank Fund Capital Flow
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

Rank Fund Capital Flow
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
OSAM
226
O'Shaughnessy Asset Management
Connecticut
$1.58M -$23.6K -335 -2%
RIM
227
Rakuten Investment Management
Japan
$1.56M +$921K +13,048 New
PCM
228
Penserra Capital Management
California
$1.52M +$47.4K +671 +3%
UCFA
229
United Capital Financial Advisors
Texas
$1.5M +$188K +2,669 +15%
FDCDDQ
230
Federation des caisses Desjardins du Quebec
Quebec, Canada
$1.49M +$753K +10,672 +114%
Rafferty Asset Management
231
Rafferty Asset Management
New York
$1.47M +$95.8K +1,357 +7%
SC
232
SummitTX Capital
Texas
$1.47M +$324K +4,585 +30%
Teacher Retirement System of Texas
233
Teacher Retirement System of Texas
Texas
$1.47M -$221K -3,132 -14%
CL
234
Choreo LLC
Illinois
$1.45M -$610K -8,640 -31%
ACB
235
Aristotle Capital Boston
Massachusetts
$1.45M -$73.5K -1,042 -5%
DFCM
236
Dark Forest Capital Management
Puerto Rico
$1.45M +$970K +13,752 +241%
KBC Group
237
KBC Group
Belgium
$1.44M -$310K -4,390 -18%
OAM
238
Oppenheimer Asset Management
New York
$1.44M +$479K +6,789 +54%
CIBC Asset Management
239
CIBC Asset Management
Ontario, Canada
$1.4M -$1.69K -24 -0.1%
TRCT
240
Tower Research Capital (TRC)
New York
$1.38M +$666K +9,435 +103%
RIM
241
Redwood Investment Management
Arizona
$1.35M -$569K -8,056 -31%
Mariner
242
Mariner
Kansas
$1.31M +$554K +7,850 +80%
M&T Bank
243
M&T Bank
New York
$1.29M -$1.02M -14,513 -45%
AC
244
Arjuna Capital
North Carolina
$1.29M -$3.25K -46 -0.3%
SCA
245
Strathmore Capital Advisors
North Carolina
$1.28M +$1.22M +17,238 New
Nordea Investment Management
246
Nordea Investment Management
Sweden
$1.26M +$60.5K +858 +5%
OPERF
247
Oregon Public Employees Retirement Fund
Oregon
$1.26M +$308K +4,360 +35%
OAM
248
OP Asset Management
$1.24M – – –
MOACM
249
Mutual of America Capital Management
New York
$1.19M -$52.1K -738 -4%
NB
250
Norinchukin Bank
Japan
$1.12M +$23.9K +339 +2%
8 9
10
11 12

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.