BlackRock Utilities, Infrastructure & Power Opportunities Trust

Symbol
BUI on NYSE
Business address
100 Bellevue Parkway, Wilmington, DE, 19809-3700
State of incorporation
DE
Fiscal year end
31 October
Former names
BlackRock Utility & Infrastructure Trust (to 22 Nov 2017)
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BlackRock Utilities, Infrastructure & Power Opportunities Trust has filed 284 SEC EDGAR filings since 02 Sep 2011

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
NPORT-P Open Document Open Filing 26 Nov 2025 30 Sep 2025 811-22606
424B3 Open Document Open Filing BLACKROCK GLOBAL 424B3 26 Nov 2025 333-285516
424B3 Open Document Open Filing UIP OPPORTUNITIES TRUST 19 Nov 2025 333-285516
N-CSRS Open Document | Data Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 04 Sep 2025 30 Jun 2025 811-22606
N-PX Open Document Open Filing 28 Aug 2025 30 Jun 2025 811-22606
NPORT-P Open Document Open Filing 26 Aug 2025 30 Jun 2025 811-22606
POS EX Open Document | Data Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 05 Jun 2025 333-285516
424B5 Open Document | Data Open Filing UIP OPPORTUNITIES TRUST 05 Jun 2025 333-285516
EFFECT Open Document Open Filing 02 Jun 2025 333-285516
NPORT-P Open Document Open Filing 28 May 2025 31 Mar 2025 811-22606
N-2/A Open Document | Data Open Filing UIP OPPORTUNITIES TRUST N-2 23 May 2025 811-22606,333-285516
40-17G/A Open Document Open Filing BLACKROCK FIXED-INCOME COMPLEX BOARD 23 May 2025 811-22606
DEF 14A Open Document | Data Open Filing CLASSIFIED FUND N&P 22 May 2025 11 Jul 2025 811-22606
3 Open Document Open Filing 3 16 May 2025 08 May 2025
N-CEN Open Document Open Filing 17 Mar 2025 31 Dec 2024 811-22606
N-CSR Open Document | Data Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 07 Mar 2025 31 Dec 2024 811-22606
N-2 Open Document Open Filing UIP OPPORTUNITIES TRUST N-2 03 Mar 2025 811-22606,333-285516
NPORT-P Open Document Open Filing 25 Feb 2025 31 Dec 2024 811-22606
40-17G Open Document Open Filing BLACKROCK FIXED-INCOME COMPLEX BOARD 18 Feb 2025 811-22606
4 Open Document Open Filing 4 04 Feb 2025 31 Jan 2025
4 Open Document Open Filing 4 04 Feb 2025 31 Jan 2025
4 Open Document Open Filing 4 04 Feb 2025 31 Jan 2025
4 Open Document Open Filing 4 04 Feb 2025 31 Jan 2025
8-K Open Document | Data Open Filing 8-K 21 Jan 2025 20 Jan 2025 811-22606
424B3 Open Document Open Filing BLACKROCK GLOBAL 424B3 23 Dec 2024 333-262272
NPORT-P Open Document Open Filing 26 Nov 2024 30 Sep 2024 811-22606
4 Open Document Open Filing 4 29 Oct 2024 28 Oct 2024
N-CSRS Open Document | Data Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 05 Sep 2024 30 Jun 2024 811-22606
N-PX Open Document Open Filing 27 Aug 2024 30 Jun 2024 811-22606
NPORT-P Open Document Open Filing 26 Aug 2024 30 Jun 2024 811-22606
DEF 14A Open Document | Data Open Filing CLASSIFIED FUND N&P 05 Jun 2024 26 Jul 2024 811-22606
NPORT-P Open Document Open Filing 28 May 2024 31 Mar 2024 811-22606
N-CEN Open Document Open Filing 14 Mar 2024 31 Dec 2023 811-22606
N-CSR Open Document | Data Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 06 Mar 2024 31 Dec 2023 811-22606
NPORT-P Open Document Open Filing 26 Feb 2024 31 Dec 2023 811-22606
4 Open Document Open Filing 4 02 Feb 2024 31 Jan 2024
4 Open Document Open Filing 4 02 Feb 2024 31 Jan 2024
4 Open Document Open Filing 4 02 Feb 2024 31 Jan 2024
4 Open Document Open Filing 4 02 Feb 2024 31 Jan 2024
40-17G Open Document Open Filing BLACKROCK FIXED-INCOME COMPLEX BOARD 26 Jan 2024 811-22606
NPORT-P Open Document Open Filing 28 Nov 2023 30 Sep 2023 811-22606
3 Open Document Open Filing FORM 3 SUBMISSION 14 Sep 2023 09 Sep 2023
N-CSRS Open Document | Data Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 01 Sep 2023 30 Jun 2023 811-22606
NPORT-P Open Document Open Filing 25 Aug 2023 30 Jun 2023 811-22606
N-PX Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 25 Aug 2023 30 Jun 2023 811-22606
CORRESP Open Document Open Filing 04 Aug 2023
3 Open Document Open Filing FORM 3 SUBMISSION 06 Jul 2023 01 Jul 2023
424B3 Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 13 Jun 2023 333-262272
3 Open Document Open Filing FORM 3 SUBMISSION 08 Jun 2023 01 Jun 2023
424B3 Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 31 May 2023 333-262272
NPORT-P Open Document Open Filing 26 May 2023 31 Mar 2023 811-22606
DEF 14A Open Document | Data Open Filing CLASSIFIED FUND N&P 23 May 2023 811-22606
40-17G Open Document Open Filing BLACKROCK FIXED-INCOME COMPLEX BOARD 24 Mar 2023 811-22606
N-CEN Open Document Open Filing 10 Mar 2023 31 Dec 2022 811-22606
N-CSR Open Document | Data Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 06 Mar 2023 811-22606
NPORT-P Open Document Open Filing 24 Feb 2023 31 Dec 2022 811-22606
4 Open Document Open Filing FORM 4 SUBMISSION 02 Feb 2023 31 Jan 2023
4 Open Document Open Filing FORM 4 SUBMISSION 02 Feb 2023 31 Jan 2023
4 Open Document Open Filing FORM 4 SUBMISSION 02 Feb 2023 31 Jan 2023
424B3 Open Document | Data Open Filing CEF SECURITIES LENDING PROSPECTUS SUPP - IXBRL 03 Jan 2023 333-262272
NPORT-P Open Document Open Filing 25 Nov 2022 30 Sep 2022 811-22606
N-CSRS Open Document | Data Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 01 Sep 2022 811-22606
NPORT-P Open Document Open Filing 25 Aug 2022 30 Jun 2022 811-22606
N-PX Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 25 Aug 2022 30 Jun 2022 811-22606
424B3 Open Document Open Filing BR UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 18 Jul 2022 333-262272
DEF 14A Open Document Open Filing CLASSIFIED FUND N&P 03 Jun 2022 25 Jul 2022 811-22606
NPORT-P Open Document Open Filing 26 May 2022 31 Mar 2022 811-22606
40-17G Open Document Open Filing BLACKROCK MULTI-REGISTRANT 40-17G 31 Mar 2022 811-22606
N-CEN Open Document Open Filing 15 Mar 2022 31 Dec 2021 811-22606
POS EX Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 11 Mar 2022 333-262272
424B2 Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 11 Mar 2022 333-262272
EFFECT Open Document Open Filing 04 Mar 2022 333-262272
N-2/A Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 04 Mar 2022 811-22606,333-262272
N-2/A Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 03 Mar 2022 811-22606,333-262272
CORRESP Open Document Open Filing 02 Mar 2022
N-CSR Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 02 Mar 2022 31 Dec 2021 811-22606
NPORT-P Open Document Open Filing 25 Feb 2022 31 Dec 2021 811-22606
4 Open Document Open Filing FORM 4 SUBMISSION 02 Feb 2022 31 Jan 2022
4 Open Document Open Filing FORM 4 SUBMISSION 02 Feb 2022 31 Jan 2022
4 Open Document Open Filing FORM 4 SUBMISSION 02 Feb 2022 31 Jan 2022
N-2 Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 21 Jan 2022 811-22606,333-262272
NPORT-P Open Document Open Filing 24 Nov 2021 30 Sep 2021 811-22606
N-CSRS Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 02 Sep 2021 30 Jun 2021 811-22606
N-PX Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 27 Aug 2021 30 Jun 2021 811-22606
NPORT-P Open Document Open Filing 26 Aug 2021 30 Jun 2021 811-22606
3 Open Document Open Filing FORM 3 SUBMISSION 09 Aug 2021 30 Jul 2021
DEFA14A Open Document Open Filing BR CLASSIFIED FUND 20 Jul 2021 811-22606
3 Open Document Open Filing FORM 3 SUBMISSION 21 Jun 2021 10 Jun 2021
3 Open Document Open Filing FORM 3 SUBMISSION 21 Jun 2021 10 Jun 2021
DEF 14A Open Document Open Filing CLASSIFIED FUND N&P 08 Jun 2021 29 Jul 2021 811-22606
NPORT-P Open Document Open Filing 27 May 2021 31 Mar 2021 811-22606
424B2 Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 30 Apr 2021 333-233279
486BPOS Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 29 Apr 2021 811-22606,333-233279
424B3 Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 13 Apr 2021 333-233279
N-CEN Open Document Open Filing 15 Mar 2021 31 Dec 2020 811-22606
N-CSR Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 05 Mar 2021 31 Dec 2020 811-22606
NPORT-P Open Document Open Filing 25 Feb 2021 31 Dec 2020 811-22606
40-17G Open Document Open Filing BLACKROCK MULTI-REGISTRANT 40-17G 12 Feb 2021 811-22606
4 Open Document Open Filing FORM 4 SUBMISSION 02 Feb 2021 29 Jan 2021
4 Open Document Open Filing FORM 4 SUBMISSION 02 Feb 2021 29 Jan 2021
4 Open Document Open Filing FORM 4 SUBMISSION 02 Feb 2021 29 Jan 2021
40-17G Open Document Open Filing BLACKROCK MULTI-REGISTRANT 40-17G 14 Jan 2021 811-22606
3 Open Document Open Filing FORM 3 SUBMISSION 12 Jan 2021 01 Jan 2021
NPORT-P Open Document Open Filing 25 Nov 2020 30 Sep 2020 811-22606
N-PX/A Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 13 Nov 2020 30 Jun 2020 811-22606
40-17G Open Document Open Filing BLACKROCK MULTI-REGISTRANT 40-17G 23 Oct 2020 811-22606
N-CSRS Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 04 Sep 2020 30 Jun 2020 811-22606
424B3 Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 27 Aug 2020 333-233279
NPORT-P Open Document Open Filing 27 Aug 2020 30 Jun 2020 811-22606
N-PX Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 27 Aug 2020 30 Jun 2020 811-22606
DEF 14A Open Document Open Filing CLASSIFIED FUND N&P 09 Jun 2020 27 Jul 2020 811-22606
N-CEN/A Open Document Open Filing 03 Jun 2020 31 Dec 2019 811-22606
NPORT-P Open Document Open Filing 01 Jun 2020 31 Mar 2020 811-22606
497 Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 29 Apr 2020 333-233279
486BPOS Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 27 Apr 2020 811-22606,333-233279
497 Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 26 Mar 2020 333-233279
N-CEN Open Document Open Filing 13 Mar 2020 31 Dec 2019 811-22606
497 Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 10 Mar 2020 333-233279
N-CSR Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 06 Mar 2020 31 Dec 2019 811-22606
NPORT-P Open Document Open Filing 27 Feb 2020 31 Dec 2019 811-22606
4 Open Document Open Filing FORM 4 SUBMISSION 04 Feb 2020 31 Jan 2020
4 Open Document Open Filing FORM 4 SUBMISSION 04 Feb 2020 31 Jan 2020
4 Open Document Open Filing FORM 4 SUBMISSION 04 Feb 2020 31 Jan 2020
497 Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 27 Nov 2019 333-233279
NPORT-P Open Document Open Filing 27 Nov 2019 30 Sep 2019 811-22606
POS EX Open Document Open Filing BR UTILTS, INFRASCTRE & POWER OPP TRUST 15 Oct 2019 333-233279
497 Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 10 Oct 2019 333-233279
EFFECT Open Document Open Filing 09 Oct 2019 333-233279
N-2/A Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 04 Oct 2019 811-22606,333-233279
CORRESP Open Document Open Filing 04 Oct 2019
N-CSRS Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 03 Sep 2019 30 Jun 2019 811-22606
N-PX Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 29 Aug 2019 30 Jun 2019 811-22606
N-2 Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 14 Aug 2019 811-22606,333-233279
40-17G Open Document Open Filing BLACKROCK FIXED-INCOME FIDELITY BOND 21 Jun 2019 811-22606
DEF 14A Open Document Open Filing CLASSIFIED FUND N&P 11 Jun 2019 29 Jul 2019 811-22606
NPORT-EX Open Document Open Filing 29 May 2019 31 Mar 2019 811-22606
N-CEN Open Document Open Filing 18 Mar 2019 31 Dec 2018 811-22606
N-CSR Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 08 Mar 2019 31 Dec 2018 811-22606
SC 13G/A Open Document Open Filing MS AMENDMENT 13 Feb 2019 005-88700
4 Open Document Open Filing FORM 4 SUBMISSION 04 Feb 2019 31 Jan 2019
4 Open Document Open Filing FORM 4 SUBMISSION 04 Feb 2019 31 Jan 2019
4 Open Document Open Filing FORM 4 SUBMISSION 04 Feb 2019 31 Jan 2019
4 Open Document Open Filing FORM 4 SUBMISSION 17 Jan 2019 16 Jan 2019
4 Open Document Open Filing FORM 4 SUBMISSION 16 Jan 2019 15 Jan 2019
3 Open Document Open Filing FORM 3 SUBMISSION 04 Jan 2019 01 Jan 2019
40-17G Open Document Open Filing BLACKROCK FIDELITY BOND FILING 20 Dec 2018 811-22606
N-Q Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 21 Nov 2018 30 Sep 2018 811-22606
N-CSRS Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 04 Sep 2018 30 Jun 2018 811-22606
N-PX Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 30 Aug 2018 30 Jun 2018 811-22606
DEF 14A Open Document Open Filing CLASSIFIED FUND N&P 06 Jun 2018 30 Jul 2018 811-22606
N-Q Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 22 May 2018 31 Mar 2018 811-22606
N-CSR Open Document Open Filing BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST 08 Mar 2018 31 Dec 2017 811-22606
NSAR-B Open Document Open Filing 01 Mar 2018 31 Dec 2017 811-22606
3 Open Document Open Filing FORM 3 SUBMISSION 16 Feb 2018 16 Feb 2018
SC 13G Open Document Open Filing MS INITIAL 12 Feb 2018 005-88700
4 Open Document Open Filing FORM 4 SUBMISSION 02 Feb 2018 31 Jan 2018
4 Open Document Open Filing FORM 4 SUBMISSION 02 Feb 2018 31 Jan 2018
4 Open Document Open Filing FORM 4 SUBMISSION 02 Feb 2018 31 Jan 2018
40-17G Open Document Open Filing BLACKROCK FIDELITY BOND FILING 17 Jan 2018 811-22606
N-Q Open Document Open Filing BLACKROCK UTILITY & INFRASTRUCTURE TRUST 22 Nov 2017 30 Sep 2017 811-22606
N-CSRS Open Document Open Filing BLACKROCK UTILITY & INFRASTRUCTURE TRUST 05 Sep 2017 30 Jun 2017 811-22606
NSAR-A Open Document Open Filing 28 Aug 2017 30 Jun 2017 811-22606
N-PX Open Document Open Filing BLACKROCK UTILITY AND INFRASTRUCTURE TRUST 25 Aug 2017 30 Jun 2017 811-22606
DEF 14A Open Document Open Filing CLASSIFIED FUND N&P 07 Jun 2017 25 Jul 2017 811-22606
N-Q Open Document Open Filing BLACKROCK UTILITY & INFRASTRUCTURE TRUST 23 May 2017 31 Mar 2017 811-22606
CORRESP Open Document Open Filing 03 Apr 2017
3 Open Document Open Filing FORM 3 SUBMISSION 15 Mar 2017 15 Mar 2017
N-CSR Open Document Open Filing BLACKROCK UTILITY & INFRASTRUCTURE TRUST 06 Mar 2017 31 Dec 2016 811-22606
3 Open Document Open Filing FORM 3 SUBMISSION 02 Mar 2017 01 Mar 2017
40-17G Open Document Open Filing BLACKROCK FIDELITY BOND FILING 27 Feb 2017 811-22606
NSAR-B Open Document Open Filing 27 Feb 2017 31 Dec 2016 811-22606
4/A Open Document Open Filing FORM 4/A SUBMISSION 16 Feb 2017 31 Jan 2017
4 Open Document Open Filing FORM 4 SUBMISSION 02 Feb 2017 31 Jan 2017
4 Open Document Open Filing FORM 4 SUBMISSION 02 Feb 2017 31 Jan 2017
4 Open Document Open Filing FORM 4 SUBMISSION 02 Feb 2017 31 Jan 2017
N-Q Open Document Open Filing BLACKROCK UTILITY & INFRASTRUCTURE TRUST 22 Nov 2016 30 Sep 2016 811-22606
8-K Open Document Open Filing 8-K 28 Oct 2016 28 Oct 2016 811-22606
N-CSRS Open Document Open Filing BLACKROCK UTILITY & INFRASTRUCTURE TRUST 02 Sep 2016 30 Jun 2016 811-22606
NSAR-A Open Document Open Filing 26 Aug 2016 30 Jun 2016 811-22606
N-PX Open Document Open Filing BLACKROCK UTILITY AND INFRASTRUCTURE TRUST 26 Aug 2016 30 Jun 2016 811-22606
DEF 14A Open Document Open Filing BLACKROCK PROXY STATEMENT 09 Jun 2016 26 Jul 2016 811-22606
N-Q Open Document | Data Open Filing BLACKROCK UTILITY & INFRASTRUCTURE TRUST 23 May 2016 31 Mar 2016 811-22606
3 Open Document Open Filing FORM 3 SUBMISSION 01 Apr 2016 01 Apr 2016
3 Open Document Open Filing FORM 3 SUBMISSION 02 Mar 2016 01 Mar 2016
N-CSR Open Document Open Filing BLACKROCK UTILITY & INFRASTRUCTURE TRUST 01 Mar 2016 31 Dec 2015 811-22606
NSAR-B Open Document Open Filing 26 Feb 2016 31 Dec 2015 811-22606
40-17G Open Document Open Filing 17 Feb 2016 811-22606
SC 13G/A Open Document Open Filing ST MSSB EXIT 11 Feb 2016 005-88700
3 Open Document Open Filing FORM 3 SUBMISSION 04 Jan 2016 31 Dec 2015
N-Q Open Document Open Filing BLACKROCK UTILITY & INFRASTRUCTURE TRUST 24 Nov 2015 30 Sep 2015 811-22606
3 Open Document Open Filing FORM 3 SUBMISSION 21 Sep 2015 18 Sep 2015
N-CSRS Open Document Open Filing BLACKROCK UTILITY & INFRASTRUCTURE TRUST 03 Sep 2015 30 Jun 2015 811-22606
N-PX Open Document Open Filing BLACKROCK UTILITY AND INFRASTRUCTURE TRUST 26 Aug 2015 30 Jun 2015 811-22606
NSAR-A Open Document Open Filing 25 Aug 2015 30 Jun 2015 811-22606
DEF 14A Open Document Open Filing BLACKROCK PROXY STATEMENT CLASSIFIED BOARD 12 Jun 2015 29 Jul 2015 811-22606
N-Q Open Document Open Filing BLACKROCK UTILITY & INFRASTRUCTURE TRUST 22 May 2015 31 Mar 2015 811-22606
4 Open Document Open Filing FORM 4 SUBMISSION 24 Mar 2015 23 Mar 2015
N-CSR Open Document Open Filing BLACKROCK UTILITY & INFRASTRUCTURE TRUST 27 Feb 2015 31 Dec 2014 811-22606
NSAR-BT Open Document Open Filing 27 Feb 2015 31 Dec 2014 811-22606
SC 13G Open Document Open Filing MSSB INITIAL 17 Feb 2015 005-88700
CORRESP Open Document Open Filing 16 Jan 2015
3 Open Document Open Filing FORM 3 SUBMISSION 06 Jan 2015 31 Dec 2014
N-CSR Open Document Open Filing BLACKROCK UTILITY & INFRASTRUCTURE TRUST 05 Jan 2015 31 Oct 2014 811-22606
NSAR-B Open Document Open Filing 24 Dec 2014 31 Oct 2014 811-22606
40-17G Open Document Open Filing 40-17G 19 Dec 2014 811-22606
N-Q Open Document Open Filing BLACKROCK UTILITY & INFRASTRUCTURE TRUST 25 Sep 2014 31 Jul 2014 811-22606
N-PX Open Document Open Filing BLACKROCK UTILITY AND INFRASTRUCTURE TRUST 27 Aug 2014 30 Jun 2014 811-22606
N-CSRS Open Document Open Filing BLACKROCK UTILITY & INFRASTRUCTURE TRUST 01 Jul 2014 30 Apr 2014 811-22606
NSAR-A Open Document Open Filing 26 Jun 2014 30 Apr 2014 811-22606
DEFA14A Open Document Open Filing BLACKROCK BUILD AMERICA BOND TRUST 13 Jun 2014 811-22606
DEF 14A Open Document Open Filing BLACKROCK PROXY STATEMENT CLASSIFIED BOARD 13 Jun 2014 30 Jul 2014 811-22606
3 Open Document Open Filing FORM 3 SUBMISSION 10 Jun 2014 06 Jun 2014
N-Q Open Document Open Filing BLACKROCK UTILITY & INFRASTRUCTURE TRUST 25 Mar 2014 31 Jan 2014 811-22606
N-CSR Open Document Open Filing BLACKROCK UTILITY & INFRASTRUCTURE TRUST 02 Jan 2014 31 Oct 2013 811-22606