Ticker · CUSIP 101121101

BXP

REIT
BOSTON PROPERTIES INC
Real Estate·REIT - Office
···Share
Holders (tracked)
17
Combined shares
17,257,102
Combined value
$1.16B
Last close
$58.05
Quarter
2025Q4
Price · 1Y$58.05-2.87 (-4.71%)H $76.36 · L $50.74 · Avg Vol 1.9M
Congress buyCongress sell
$50.00$60.00$70.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+5 vs previous quarter over the last 8.
17162024Q12025Q4
Price is -14.0% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

22 events
  1. Ken Griffin (Citadel Advisors) added2026-02-17
    +648,546 shares · 2025Q4
    Position
  2. D.E. Shaw & Co. trimmed2026-02-17
    −96,340 shares · 2025Q4
    Position
  3. Izzy Englander (Millennium Mgmt) opened position2026-02-17
    +21,433 shares · 2025Q4
    Position
  4. T. Rowe Price trimmed2026-02-17
    −18,444 shares · 2025Q4
    Position
  5. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +17,100 shares · 2025Q4
    Position
  6. Wellington Management trimmed2026-02-17
    −30,954 shares · 2025Q4
    Position
  7. Ron Baron (Baron Capital / BAMCO) trimmed2026-02-17
    −340,477 shares · 2025Q4
    Position
  8. AQR Capital Management trimmed2026-02-17
    −15,088 shares · 2025Q4
    Position
  9. Norges Bank (Norway SWF) opened position2026-02-10
    +10,216,641 shares · 2025Q4
    Position
  10. Ken Fisher (Fisher Asset Mgmt) added2026-02-09
    +76,946 shares · 2025Q4
    Position
  11. First Eagle Investment Management trimmed2026-02-04
    −121,618 shares · 2025Q4
    Position
  12. Paul Tudor Jones (Tudor Investment) exited2025-12-09
    −7,562 shares · 2025Q3
    Position
  13. Wellington Management trimmed2025-11-14
    −4,434 shares · 2025Q3
    Position
  14. Ron Baron (Baron Capital / BAMCO) trimmed2025-11-14
    −28,349 shares · 2025Q3
    Position
  15. AQR Capital Management added2025-11-14
    +123,278 shares · 2025Q3
    Position
  16. D.E. Shaw & Co. added2025-11-14
    +154,000 shares · 2025Q3
    Position
  17. T. Rowe Price added2025-11-14
    +617,885 shares · 2025Q3
    Position
  18. Izzy Englander (Millennium Mgmt) exited2025-11-14
    −930,752 shares · 2025Q3
    Position
  19. Renaissance Technologies exited2025-11-13
    −29,100 shares · 2025Q3
    Position
  20. Norges Bank (Norway SWF) exited2025-11-13
    −10,180,607 shares · 2025Q3
    Position
  21. Ken Fisher (Fisher Asset Mgmt) added2025-11-12
    +39,682 shares · 2025Q3
    Position
  22. First Eagle Investment Management trimmed2025-11-12
    −7,455 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for BXP →
Follow-the-investor returns
If you'd copied each holder of BXP…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Ken Griffin (Citadel Advisors)2016Q1$67.74-14.3%$6.4M
Ken Griffin (Citadel Advisors)2016Q1$67.74-14.3%$6.4M
Ken Griffin (Citadel Advisors)2016Q1$67.74-14.3%$6.4M
Paul Tudor Jones (Tudor Investment)2016Q1$67.81-14.4%$557K
Paul Tudor Jones (Tudor Investment)2016Q1$67.81-14.4%$557K
Izzy Englander (Millennium Mgmt)2016Q2$67.92-14.5%$546K
Izzy Englander (Millennium Mgmt)2016Q2$67.92-14.5%$546K
Izzy Englander (Millennium Mgmt)2016Q2$67.92-14.5%$546K
Ron Baron (Baron Capital / BAMCO)2016Q1$68.02-14.7%$11.8M
Ken Fisher (Fisher Asset Mgmt)2025Q1$68.13-14.8%$19.0M
D.E. Shaw & Co.2016Q1$70.02-17.1%$4.2M
D.E. Shaw & Co.2016Q1$70.02-17.1%$4.2M
AQR Capital Management2016Q1$72.49-19.9%$9.3M
T. Rowe Price2016Q1$74.64-22.2%$46.9M
Wellington Management2016Q1$75.48-23.1%$573K
First Eagle Investment Management2020Q2$79.92-27.4%$198.0M
Norges Bank (Norway SWF)2016Q1$123.62-53.0%$593.1M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions3
Added to2
Trimmed6
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
16
$1.56T
2022Q2
17
$1.08T
2022Q3
17
$3.01B
2022Q4
16
$2.55B
2023Q1
17
$2.08B
2023Q2
18
$2.13B
2023Q3
16
$2.16B
2023Q4
13
$2.63B
2024Q1
16
$2.40B
2024Q2
16
$2.28B
2024Q3
13
$1.42B
2024Q4
17
$1.30B
2025Q1
16
$394.6M
2025Q2
17
$1.12B
2025Q3
12
$517.7M
2025Q4
17
$1.16B
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2026-02-20Julia LetlowSell$1K – $15KPDF ↗
2025-12-19Gilbert CisnerosSell$1K – $15KPDF ↗
2025-11-18Gilbert CisnerosBuy$1K – $15KPDF ↗
2024-10-23Julia LetlowBuy$1K – $15KPDF ↗

Who owns BXP

17 super-investors · 2025Q4
Tracked stake
17.26M
shares
Combined value
$1.16B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New6Added4Trim7
#ManagerSharesValue
1Norges Bank
Norway SWF
10.22M$689M
2First Eagle Investment Management3.41M$230M
3Ken Griffin
Citadel Advisors
1.75M$118M
4T. Rowe Price808.7K$55M
5Ken Fisher
Fisher Asset Mgmt
327.3K$22M
6Ron Baron
Baron Capital / BAMCO
203.0K$14M
7AQR Capital Management160.7K$11M
8Ken Griffin
Citadel Advisors
110.9K$7M
9Ken Griffin
Citadel Advisors
75.4K$5M
10D.E. Shaw & Co.73.1K$5M
11Izzy Englander
Millennium Mgmt
31.3K$2M
12D.E. Shaw & Co.30.0K$2M
13Izzy Englander
Millennium Mgmt
21.4K$1M
14Wellington Management9.9K$666K
15Paul Tudor Jones
Tudor Investment
9.6K$648K
16Izzy Englander
Millennium Mgmt
9.4K$634K
17Paul Tudor Jones
Tudor Investment
7.5K$506K

Recent moves

20 transactions
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