Ticker · CUSIP 101121101

BXP

REIT

BOSTON PROPERTIES INC

Real Estate·REIT - Office

···Share

Holders (tracked)

Combined shares

17,257,102

Combined value

$1.16B

Last close

$58.05

Quarter

2025Q4

Price is -14.0% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$58.05-2.87 (-4.71%)H $76.36 · L $50.74 · Avg Vol 1.9M

Congress buyCongress sell

Tracked holders · last 8 quarters

+5 vs previous quarter over the last 8.

SEC event timeline

22 events

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

Investor	First in	Cost basis	Return	Position 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 Management	2016Q1	$72.49	-19.9%	$9.3M
T. Rowe Price	2016Q1	$74.64	-22.2%	$46.9M
Wellington Management	2016Q1	$75.48	-23.1%	$573K
First Eagle Investment Management	2020Q2	$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

Norges Bank (Norway SWF)
+10,216,641
$689.4M
Izzy Englander (Millennium Mgmt)
+21,433
$1.4M
Paul Tudor Jones (Tudor Investment)
+17,100
$1.2M

Added to2

Ken Griffin (Citadel Advisors)
+648,546
$43.8M
Ken Fisher (Fisher Asset Mgmt)
+76,946
$5.2M

Trimmed6

Ron Baron (Baron Capital / BAMCO)
−340,477
$23.0M
First Eagle Investment Management
−121,618
$8.2M
D.E. Shaw & Co.
−96,340
$6.5M
Wellington Management
−30,954
$2.1M
AQR Capital Management
−15,088
$1.0M
T. Rowe Price
−18,444
$1K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	16	44,289,467	$1.56T	—
2022Q2	17	45,731,589	$1.08T	+1
2022Q3	17	40,125,255	$3.01B	—
2022Q4	16	37,701,618	$2.55B	-1
2023Q1	17	38,434,696	$2.08B	+1
2023Q2	18	36,966,715	$2.13B	+1
2023Q3	16	36,333,233	$2.16B	-2
2023Q4	13	37,535,496	$2.63B	-3
2024Q1	16	36,737,340	$2.40B	+3
2024Q2	16	37,013,316	$2.28B	—
2024Q3	13	17,668,316	$1.42B	-3
2024Q4	17	17,429,927	$1.30B	+4
2025Q1	16	5,873,405	$394.6M	-1
2025Q2	17	16,572,115	$1.12B	+1
2025Q3	12	6,964,557	$517.7M	-5
2025Q4	17	17,257,102	$1.16B	+5

Congress members trading this stock

Date	Member	Type	Amount range	Filing
2026-02-20	Julia Letlow	Sell	$1K – $15K	PDF ↗
2025-12-19	Gilbert Cisneros	Sell	$1K – $15K	PDF ↗
2025-11-18	Gilbert Cisneros	Buy	$1K – $15K	PDF ↗
2024-10-23	Julia Letlow	Buy	$1K – $15K	PDF ↗

Who owns BXP

17 super-investors · 2025Q4

Tracked stake

17.26M

Combined value

$1.16B

% of shares outstanding

—

shares-out unknown

Quarter action mix

New6Added4Trim7

#	Manager	Shares	Value	% of book	Last action
1	Norges Bank Norway SWF	10.22M	$689M	0.1%	New+10.22M
2	First Eagle Investment Management	3.41M	$230M	0.4%	Trim−121.6K
3	Ken Griffin Citadel Advisors	1.75M	$118M	0.0%	Added+648.5K
4	T. Rowe Price	808.7K	$55M	0.0%	Trim−18.4K
5	Ken Fisher Fisher Asset Mgmt	327.3K	$22M	0.0%	Added+76.9K
6	Ron Baron Baron Capital / BAMCO	203.0K	$14M	0.0%	Trim−340.5K
7	AQR Capital Management	160.7K	$11M	0.0%	Trim−15.1K
8	Ken Griffin Citadel Advisors	110.9K	$7M	0.0%	Added+648.5K
9	Ken Griffin Citadel Advisors	75.4K	$5M	0.0%	Added+648.5K
10	D.E. Shaw & Co.	73.1K	$5M	0.0%	Trim−96.3K
11	Izzy Englander Millennium Mgmt	31.3K	$2M	0.0%	New+21.4K
12	D.E. Shaw & Co.	30.0K	$2M	0.0%	Trim−96.3K
13	Izzy Englander Millennium Mgmt	21.4K	$1M	0.0%	New+21.4K
14	Wellington Management	9.9K	$666K	0.0%	Trim−31.0K
15	Paul Tudor Jones Tudor Investment	9.6K	$648K	0.0%	New+17.1K
16	Izzy Englander Millennium Mgmt	9.4K	$634K	0.0%	New+21.4K
17	Paul Tudor Jones Tudor Investment	7.5K	$506K	0.0%	New+17.1K

Recent moves

20 transactions

NEWPaul Tudor Jones (Tudor Investment)
+17,100 · 2025Q4
TRIMRon Baron (Baron Capital / BAMCO)
−340,477 · 2025Q4
TRIMAQR Capital Management
−15,088 · 2025Q4
NEWIzzy Englander (Millennium Mgmt)
+21,433 · 2025Q4
TRIMT. Rowe Price
−18,444 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+648,546 · 2025Q4
TRIMD.E. Shaw & Co.
−96,340 · 2025Q4
TRIMWellington Management
−30,954 · 2025Q4
NEWNorges Bank (Norway SWF)
+10,216,641 · 2025Q4
ADDKen Fisher (Fisher Asset Mgmt)
+76,946 · 2025Q4
TRIMFirst Eagle Investment Management
−121,618 · 2025Q4
SOLDPaul Tudor Jones (Tudor Investment)
−7,562 · 2025Q3
SOLDIzzy Englander (Millennium Mgmt)
−930,752 · 2025Q3
ADDAQR Capital Management
+123,278 · 2025Q3
ADDT. Rowe Price
+617,885 · 2025Q3
TRIMWellington Management
−4,434 · 2025Q3
TRIMRon Baron (Baron Capital / BAMCO)
−28,349 · 2025Q3
ADDD.E. Shaw & Co.
+154,000 · 2025Q3
SOLDRenaissance Technologies
−29,100 · 2025Q3
SOLDNorges Bank (Norway SWF)
−10,180,607 · 2025Q3

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