보스턴 프로퍼티, Inc.
MX ˙ BMV ˙ US1011211018
SecurityMX:BXP / Boston Properties, Inc.
InstitutionHighTower Advisors, LLC
Latest Disclosed Ownership26,715 shares
Latest Disclosed Value $ 1,386,662
HighTower Advisors, LLC ownership in BXP / Boston Properties, Inc.

On May 5, 2026 - HighTower Advisors, LLC filed a 13F-HR form disclosing ownership of 26,715 shares of Boston Properties, Inc. (MX:BXP) valued at $1,386,662 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 6, 2026 disclosing 28,070 shares of Boston Properties, Inc.. This represents a change in shares of -4.83% during the quarter.

HighTower Advisors, LLC has a history of taking positions in derivatives of the underlying security (BXP) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD and put options representing 0 of underlying shares valued at $0 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

MX:BXP / Boston Properties, Inc. Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-05 2026-03-31 13F BXP COM 101121101 26,715 -1,355 -4.83 1,387 -26.82 0.0015
2026-02-06 2025-12-31 13F BXP COM 101121101 28,070 -627 -2.18 1,894 -11.20 0.0021
2025-11-07 2025-09-30 13F BXP COM 101121101 28,697 -186 -0.64 2,133 9.50 0.0024
2025-08-11 2025-06-30 13F BXP COM 101121101 28,883 -114 -0.39 1,949 0.00 0.0024
2025-05-13 2025-03-31 13F BXP COM 101121101 28,997 593 2.09 1,948 -7.77 0.0026
2025-02-07 2024-12-31 13F BXP COM 101121101 28,404 367 1.31 2,112 -6.18 0.0029
2024-11-14 2024-09-30 13F BXP COM 101121101 28,037 529 1.92 2,251 33.04 0.0032
2024-08-13 2024-06-30 13F BOSTON PROPERTIES COM 101121101 27,508 1,090 4.13 1,692 -1.91 0.0026
2024-05-06 2024-03-31 13F BOSTON PROPERTIES COM 101121101 26,418 31 0.12 1,725 -6.15 0.0028
2024-02-12 2023-12-31 13F BOSTON PROPERTIES COM 101121101 26,387 -730 -2.69 1,838 14.37 0.0031
2023-11-08 2023-09-30 13F BOSTON PROPERTIES COM 101121101 27,117 11,951 78.80 1,607 85.14 0.0030
2023-08-14 2023-06-30 13F BOSTON PROPERTIES COM 101121101 15,166 -1,441 -8.68 868 -1.92 0.0017
2023-05-12 2023-03-31 13F BOSTON PROPERTIES COM 101121101 16,607 -2,382 -12.54 885 -30.91 0.0019
2023-02-09 2022-12-31 13F BOSTON PROPERTIES COM 101121101 18,989 -7,334 -27.86 1,281 -35.04 0.0029
2022-11-09 2022-09-30 13F BOSTON PROPERTIES COM 101121101 26,323 -6,789 -20.50 1,972 -33.36 0.0053
2022-08-10 2022-06-30 13F BOSTON PROPERTIES COM 101121101 33,112 -638 -1.89 2,959 -32.01 0.0076
2022-05-12 2022-03-31 13F BOSTON PROPERTIES COM 101121101 33,750 13,843 69.54 4,352 89.80 0.0097
2022-02-10 2021-12-31 13F BOSTON PROPERTIES COM 101121101 19,907 1,739 9.57 2,293 16.40 0.0050
2021-11-12 2021-09-30 13F BOSTON PROPERTIES COM 101121101 18,168 -798 -4.21 1,970 -9.22 0.0053
2021-08-06 2021-06-30 13F BOSTON PROPERTIES COM 101121101 18,966 1,085 6.07 2,170 19.30 0.0063
2021-05-10 2021-03-31 13F BOSTON PROPERTIES COM 101121101 17,881 2,325 14.95 1,819 23.83 0.0057
2021-02-10 2020-12-31 13F BOSTON PROPERTIES COM 101121101 15,556 5,227 50.61 1,469 78.93 0.0061
2020-11-13 2020-09-30 13F BOSTON PROPERTIES COM 101121101 10,329 -60 -0.58 821 -12.38 0.0040
2020-08-10 2020-06-30 13F BOSTON PPTYS LTD PARTNERSHIP COM 101121101 10,389 2,424 30.43 937 28.36 0.0051
2020-05-21 2020-03-31 13F BOSTON PROPERTIES COM 101121101 7,965 -116 -1.44 730 -34.76 0.0047
2020-02-14 2019-12-31 13F BOSTON PROPERTIES COM 101121101 8,081 -230 -2.77 1,119 3.52 0.0066
2019-11-12 2019-09-30 13F BOSTON PROPERTIES COM 101121101 8,311 301 3.76 1,081 4.34 0.0059
2019-08-13 2019-06-30 13F BOSTON PROPERTIES COM 101121101 8,010 -677 -7.79 1,036 -10.69 0.0062
2019-05-15 2019-03-31 13F BOSTON PROPERTIES COM 101121101 8,687 325 3.89 1,160 23.01 0.0077
2019-02-14 2018-12-31 13F BOSTON PROPERTIES COM 101121101 8,362 -167 -1.96 943 -9.93 0.0072
2018-11-09 2018-09-30 13F BOSTON PROPERTIES COM 101121101 8,529 273 3.31 1,047 0.96 0.0075
2018-08-14 2018-06-30 13F BOSTON PROPERTIES COM 101121101 8,256 104 1.28 1,037 3.39 0.0081
2018-05-15 2018-03-31 13F BOSTON PROPERTIES COM 101121101 8,152 76 0.94 1,003 -4.57 0.0084
2018-02-14 2017-12-31 13F BOSTON PROPERTIES COM 101121101 8,076 261 3.34 1,051 9.59 0.0086
2017-11-14 2017-09-30 13F BOSTON PROPERTIES COM 101121101 7,815 163 2.13 959 1.91 0.0082
2017-09-22 2017-06-30 13F/A-1 BOSTON PROPERTIES COM 101121101 7,652 140 1.86 941 -5.33 0.0084
2017-08-14 2017-06-30 13F BOSTON PROPERTIES COM 101121101 7,652 140 941
2017-05-15 2017-03-31 13F BOSTON PROPERTIES COM 101121101 7,512 -4,591 -37.93 994 -34.91 0.0095
2017-02-10 2016-12-31 13F BOSTON PROPERTIES COM 101121101 12,103 -786 -6.10 1,527 -13.14 0.0166
2016-11-14 2016-09-30 13F BOSTON PROPERTIES COM 101121101 12,889 -673 -4.96 1,758 -1.95 0.0204
2016-08-11 2016-06-30 13F BOSTON PROPERTIES COM 101121101 13,562 -757 -5.29 1,793 -1.54 0.0227
2016-05-16 2016-03-31 13F BOSTON PROPERTIES COM 101121101 14,319 5,140 56.00 1,821 55.77 0.0059
2016-05-18 2015-12-31 13F/A-1 BOSTON PROPERTIES COM 101121101 9,179 749 8.88 1,169 16.90 0.0139
2016-02-12 2015-12-31 13F BOSTON PROPERTIES COM 101121101 9,179 1,169
2015-11-16 2015-09-30 13F BOSTON PROPERTIES COM 101121101 8,430 6,343 303.93 1,000 295.26 0.0132
2015-08-11 2015-06-30 13F BOSTON PROPERTIES COM 101121101 2,087 -5,326 -71.85 253 -75.72 0.0041
2015-05-15 2015-03-31 13F BOSTON PROPERTIES COM 101121101 7,413 522 7.58 1,042 17.47 0.0155
2015-02-17 2014-12-31 13F BOSTON PROPERTIES COM 101121101 6,891 -5 -0.07 887 11.15 0.0136
2014-11-14 2014-09-30 13F BOSTON PROPERTIES COM 101121101 6,896 211 3.16 798 1.01 0.0135
2014-08-13 2014-06-30 13F BOSTON PROPERTIES COM 101121101 6,685 -115 -1.69 790 1.41 0.0137
2014-05-15 2014-03-31 13F BOSTON PROPERTIES COM 101121101 6,800 -488 -6.70 779 6.42 0.0152
2014-02-14 2013-12-31 13F BOSTON PROPERTIES COM 101121101 7,288 918 14.41 732 7.49 0.0150
2013-11-15 2013-09-30 13F BOSTON PROPERTIES COM 101121101 6,370 -2,589 -28.90 681 -27.94 0.0170
2013-08-14 2013-06-30 13F BOSTON PROPERTIES COM 101121101 8,959 8,959 945 0.0257
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2021-11-12 2021-09-30 13F BOSTON PROPERTIES COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2021-08-06 2021-06-30 13F BOSTON PROPERTIES COM Call 27,800 24 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2023-11-08 2023-09-30 13F BOSTON PROPERTIES COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2023-08-14 2023-06-30 13F BOSTON PROPERTIES COM Put 200 0.00 18 800.00 n/a n/a n/a
2023-05-12 2023-03-31 13F BOSTON PROPERTIES COM Put 200 3 n/a n/a n/a
2022-02-10 2021-12-31 13F BOSTON PROPERTIES COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2021-11-12 2021-09-30 13F BOSTON PROPERTIES COM Put 300 2 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.