BlackRock Taxable Municipal Bond Trust
US ˙ NYSE ˙ US09248X1000

SecurityBBN / BlackRock Taxable Municipal Bond Trust
InstitutionUBS Group AG
Latest Disclosed Ownership803,371 shares
Latest Disclosed Value $ 12,990,509
UBS Group AG reports 1.10% decrease in ownership of BBN / BlackRock Taxable Municipal Bond Trust

On May 5, 2026 - UBS Group AG filed a 13F-HR form disclosing ownership of 803,371 shares of BlackRock Taxable Municipal Bond Trust (US:BBN) valued at $12,990,509 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 29, 2026 disclosing 812,297 shares of BlackRock Taxable Municipal Bond Trust. This represents a change in shares of -1.10% during the quarter. The current value of the position is $12,845,902 USD.

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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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 BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 803,371 -8,926 -1.10 12,991 -2.01 0.0004
2026-01-29 2025-12-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 812,297 4,953 0.61 13,257 -1.08 0.0004
2025-11-13 2025-09-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 807,344 -352,640 -30.40 13,402 -28.29 0.0021
2025-08-14 2025-06-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,159,984 52,077 4.70 18,687 1.13 0.0032
2025-05-13 2025-03-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,107,907 14,462 1.32 18,480 4.84 0.0034
2025-02-14 2024-12-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,093,445 -40,835 -3.60 17,626 -12.79 0.0033
2024-11-14 2024-09-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,134,280 37,200 3.39 20,213 12.68 0.0044
2024-08-14 2024-06-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,097,080 -18,967 -1.70 17,937 -1.64 0.0044
2024-05-13 2024-03-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,116,047 82,849 8.02 18,236 8.55 0.0045
2024-02-09 2023-12-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,033,198 69,403 7.20 16,800 14.98 0.0050
2023-11-09 2023-09-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 963,795 -332,696 -25.66 14,611 -32.07 0.0050
2023-08-11 2023-06-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,296,491 -204,061 -13.60 21,509 -20.01 0.0073
2023-05-12 2023-03-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,500,552 -103,681 -6.46 26,890 -0.47 0.0098
2023-02-08 2022-12-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,604,233 1,511 0.09 27,015 2.59 0.0101
2022-11-10 2022-09-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,602,722 -69,364 -4.15 26,333 -17.80 0.0115
2022-08-10 2022-06-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,672,086 277,887 19.93 32,037 4.35 0.0132
2022-05-16 2022-03-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,394,199 74,920 5.68 30,701 -11.11 0.0102
2022-02-14 2021-12-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,319,279 -239,888 -15.39 34,539 -13.97 0.0099
2021-11-15 2021-09-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,559,167 13,788 0.89 40,148 0.77 0.0126
2021-08-13 2021-06-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,545,379 149,402 10.70 39,840 15.78 0.0128
2021-05-12 2021-03-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,395,977 253,000 22.14 34,411 11.67 0.0114
2021-02-11 2020-12-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,142,977 31,407 2.83 30,814 6.95 0.0104
2020-11-12 2020-09-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,111,570 4,426 0.40 28,812 4.43 0.0109
2020-07-31 2020-06-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 1,107,144 130,231 13.33 27,590 29.55 0.0117
2020-05-01 2020-03-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 976,913 -16,892 -1.70 21,297 -11.96 0.0100
2020-02-14 2019-12-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 993,805 180,211 22.15 24,189 20.27 0.0084
2019-11-14 2019-09-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 813,594 -163,508 -16.73 20,112 -13.22 0.0077
2019-08-14 2019-06-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 977,102 42,087 4.50 23,177 10.51 0.0089
2019-05-14 2019-03-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 935,015 -10,467 -1.11 20,972 5.52 0.0087
2019-02-14 2018-12-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 945,482 82,788 9.60 19,874 8.67 0.0090
2018-11-14 2018-09-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 862,694 25,180 3.01 18,289 -1.19 0.0072
2018-08-14 2018-06-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 837,514 -13,979 -1.64 18,509 -3.48 0.0080
2018-05-15 2018-03-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 851,493 41,493 5.12 19,176 2.09 0.0083
2018-02-14 2017-12-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 810,000 50,930 6.71 18,784 5.89 0.0077
2017-11-14 2017-09-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 759,070 -86,854 -10.27 17,739 -8.47 0.0082
2017-11-14 2017-06-30 13F/A-1 BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 845,924 12,552 1.51 19,380 3.86 0.0100
2017-08-14 2017-06-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 845,924 19,380
2017-11-14 2017-03-31 13F/A-1 BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 833,372 12,824 1.56 18,659 5.28 0.0102
2017-05-12 2017-03-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 833,372 18,659
2017-02-14 2016-12-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 820,548 23,134 2.90 17,724 -7.27 0.0098
2016-11-14 2016-09-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 797,414 127,868 19.10 19,114 17.10 0.0114
2016-08-12 2016-06-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 669,546 14,131 2.16 16,323 8.33 0.0103
2016-05-12 2016-03-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 655,415 -194,087 -22.85 15,068 -15.46 0.0101
2016-02-16 2015-12-31 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 849,502 112,042 15.19 17,823 19.76 0.0116
2015-11-13 2015-09-30 13F BLACKROCK TAX MUNICPAL BD TR SHS 09248X100 737,460 89,898 13.88 14,882 15.66 0.0105
2015-08-14 2015-06-30 13F BLACKROCK BUILD AMER BD TR SHS 09248X100 647,562 -86,577 -11.79 12,867 -22.69 0.0086
2015-05-14 2015-03-31 13F BLACKROCK BUILD AMER BD TR SHS 09248X100 734,139 -104,369 -12.45 16,643 -10.43 0.0115
2015-02-17 2014-12-31 13F BLACKROCK BUILD AMER BD TR SHS 09248X100 838,508 838,508 18,581 0.0130
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.