BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND SEC EDGAR Filings (CIK 0001045126)

SEC EDGAR filings, ownership reports, and insider transactions for BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND.

Business address
100 Bellevue Parkway, Wilmington, DE, 19809
State of incorporation
MA
Fiscal year end
31 December
Former names
BLACKROCK MUNIHOLDINGS INSURED INVESTMENT FUND (to 08 Nov 2010), BLACKROCK MUNIHOLDINGS FLORIDA INSURED FUND, INC. (to 27 Aug 2008), MUNIHOLDINGS FLORIDA INSURED FUND INC (to 10 May 2007)
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BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND has filed 390 SEC EDGAR filings since 09 Sep 1997

Latest Filings

Recent SEC filings for BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND including N-8F ORDR, N-8F NTC, N-8F and more.

Form type Document Filing Description Filing date Reporting date File number(s)
N-8F ORDR Open N-8F ORDR document View SEC filing for N-8F ORDR 25 Sep 2023 811-08349
N-8F NTC Open N-8F NTC document View SEC filing for N-8F NTC 28 Aug 2023 811-08349
N-8F Open N-8F document View SEC filing for N-8F BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 21 Jul 2023 811-08349
N-CEN Open N-CEN document View SEC filing for N-CEN 10 Nov 2022 31 Aug 2022 811-08349
N-PX Open N-PX document View SEC filing for N-PX BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 25 Aug 2022 30 Jun 2022 811-08349
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A MS AMENDMENT 10 May 2022 005-84454
N-CSRS Open N-CSRS document View SEC filing for N-CSRS BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 04 May 2022 28 Feb 2022 811-08349
NPORT-P Open NPORT-P document View SEC filing for NPORT-P 26 Apr 2022 28 Feb 2022 811-08349
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Apr 2022 11 Apr 2022
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 13 Apr 2022 005-84454
4 Open 4 document View SEC filing for 4 FORM 4 13 Apr 2022 11 Apr 2022
425 Open 425 document View SEC filing for 425 BLACKROCK MUNICIPAL INCOME FUND, INC. 11 Apr 2022 811-08349
25-NSE Open 25-NSE document View SEC filing for 25-NSE 11 Apr 2022 001-13399
40-17G Open 40-17G document View SEC filing for 40-17G BLACKROCK MULTI-REGISTRANT 40-17G 31 Mar 2022 811-08349
425 Open 425 document View SEC filing for 425 BR MUNIHOLDINGS INVESTMENT QUALITY FUND 18 Mar 2022 811-08349
425 Open 425 document View SEC filing for 425 BR MUNIHOLDINGS INVESTMENT QUALITY FUND 04 Mar 2022 811-08349
425 Open 425 document View SEC filing for 425 BR MUNIHOLDINGS INVESTMENT QUALITY FUND (ACTION LETTER) 24 Feb 2022 811-08349
425 Open 425 document View SEC filing for 425 BR MUNIHOLDINGS INVESTMENT QUALITY FUND (VOICE MAIL) 24 Feb 2022 811-08349
SC 13G Open SC 13G document View SEC filing for SC 13G MS INITIAL 09 Feb 2022 005-84454
425 Open 425 document View SEC filing for 425 BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 07 Feb 2022 811-08349
425 Open 425 document View SEC filing for 425 BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 07 Feb 2022 811-08349
NPORT-P Open NPORT-P document View SEC filing for NPORT-P 27 Jan 2022 30 Nov 2021 811-08349
425 Open 425 document View SEC filing for 425 BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 26 Jan 2022 811-08349
425 Open 425 document View SEC filing for 425 BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 20 Jan 2022 811-08349
425 Open 425 document View SEC filing for 425 BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 19 Jan 2022 811-08349
425 Open 425 document View SEC filing for 425 BLACKROCK MUNICIPAL INCOME FUND, INC.(MUI) 05 Jan 2022 811-08349
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 04 Jan 2022 005-84454
DEF 14A Open DEF 14A document View SEC filing for DEF 14A BR MUNICIPAL INCOME FUND INC (MUI) 22 Dec 2021 04 Feb 2022 811-08349
CORRESP Open CORRESP document View SEC filing for CORRESP 22 Dec 2021
PRE 14A Open PRE 14A document View SEC filing for PRE 14A BR MUNICIPAL INCOME FUND INC (MUI) 10 Dec 2021 04 Feb 2022 811-08349
N-CEN Open N-CEN document View SEC filing for N-CEN 12 Nov 2021 31 Aug 2021 811-08349
N-CSR Open N-CSR document View SEC filing for N-CSR BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 03 Nov 2021 31 Aug 2021 811-08349
NPORT-P Open NPORT-P document View SEC filing for NPORT-P 27 Oct 2021 31 Aug 2021 811-08349
425 Open 425 document View SEC filing for 425 BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 28 Sep 2021 811-08349
N-PX Open N-PX document View SEC filing for N-PX BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 27 Aug 2021 30 Jun 2021 811-08349
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 09 Aug 2021 30 Jul 2021
NPORT-P Open NPORT-P document View SEC filing for NPORT-P 28 Jul 2021 31 May 2021 811-08349
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 20 Jul 2021 811-08349
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 21 Jun 2021 10 Jun 2021
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 21 Jun 2021 10 Jun 2021
DEF 14A Open DEF 14A document View SEC filing for DEF 14A NON CLASSIFIED FUND N&P 08 Jun 2021 29 Jul 2021 811-08349
N-CSRS Open N-CSRS document View SEC filing for N-CSRS BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 03 May 2021 28 Feb 2021 811-08349
NPORT-P Open NPORT-P document View SEC filing for NPORT-P 27 Apr 2021 28 Feb 2021 811-08349
40-17G Open 40-17G document View SEC filing for 40-17G BLACKROCK MULTI-REGISTRANT 40-17G 12 Feb 2021 811-08349
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Feb 2021 29 Jan 2021
NPORT-P Open NPORT-P document View SEC filing for NPORT-P 27 Jan 2021 30 Nov 2020 811-08349
40-17G Open 40-17G document View SEC filing for 40-17G BLACKROCK MULTI-REGISTRANT 40-17G 14 Jan 2021 811-08349
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 12 Jan 2021 01 Jan 2021
N-CEN Open N-CEN document View SEC filing for N-CEN 13 Nov 2020 31 Aug 2020 811-08349
N-CSR Open N-CSR document View SEC filing for N-CSR BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 30 Oct 2020 31 Aug 2020 811-08349
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Oct 2020 27 Oct 2020
NPORT-P Open NPORT-P document View SEC filing for NPORT-P 28 Oct 2020 31 Aug 2020 811-08349
40-17G Open 40-17G document View SEC filing for 40-17G BLACKROCK MULTI-REGISTRANT 40-17G 23 Oct 2020 811-08349
N-PX Open N-PX document View SEC filing for N-PX BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 27 Aug 2020 30 Jun 2020 811-08349
CORRESP Open CORRESP document View SEC filing for CORRESP 19 Aug 2020
NPORT-P Open NPORT-P document View SEC filing for NPORT-P 30 Jul 2020 31 May 2020 811-08349
DEF 14A Open DEF 14A document View SEC filing for DEF 14A NON CLASSIFIED FUND N&P 09 Jun 2020 27 Jul 2020 811-08349
N-CSRS Open N-CSRS document View SEC filing for N-CSRS BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 04 May 2020 29 Feb 2020 811-08349
NPORT-P Open NPORT-P document View SEC filing for NPORT-P 27 Apr 2020 29 Feb 2020 811-08349
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A NONE 07 Apr 2020 005-84454
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A NONE 14 Feb 2020 005-84454
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Feb 2020 31 Jan 2020
NPORT-P Open NPORT-P document View SEC filing for NPORT-P 28 Jan 2020 30 Nov 2019 811-08349
N-CEN Open N-CEN document View SEC filing for N-CEN 14 Nov 2019 31 Aug 2019 811-08349
N-CSR Open N-CSR document View SEC filing for N-CSR BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 05 Nov 2019 31 Aug 2019 811-08349
N-PX Open N-PX document View SEC filing for N-PX BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 29 Aug 2019 30 Jun 2019 811-08349
NPORT-EX Open NPORT-EX document View SEC filing for NPORT-EX 29 Jul 2019 31 May 2019 811-08349
40-17G Open 40-17G document View SEC filing for 40-17G BLACKROCK FIXED-INCOME FIDELITY BOND 21 Jun 2019 811-08349
DEF 14A Open DEF 14A document View SEC filing for DEF 14A NON CLASSIFIED FUND N&P 11 Jun 2019 29 Jul 2019 811-08349
N-CSRS Open N-CSRS document View SEC filing for N-CSRS BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 03 May 2019 28 Feb 2019 811-08349
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A MS AMENDMENT 12 Feb 2019 005-84454
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Feb 2019 31 Jan 2019
N-CEN/A Open N-CEN/A document View SEC filing for N-CEN/A 25 Jan 2019 31 Aug 2018 811-08349
N-Q Open N-Q document View SEC filing for N-Q BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 22 Jan 2019 30 Nov 2018 811-08349
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Jan 2019 16 Jan 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Jan 2019 15 Jan 2019
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 04 Jan 2019 01 Jan 2019
40-17G Open 40-17G document View SEC filing for 40-17G BLACKROCK FIDELITY BOND FILING 20 Dec 2018 811-08349
N-CEN Open N-CEN document View SEC filing for N-CEN 13 Nov 2018 31 Aug 2018 811-08349
N-CSR Open N-CSR document View SEC filing for N-CSR BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 02 Nov 2018 31 Aug 2018 811-08349
N-PX Open N-PX document View SEC filing for N-PX BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 30 Aug 2018 30 Jun 2018 811-08349
N-Q Open N-Q document View SEC filing for N-Q BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 23 Jul 2018 31 May 2018 811-08349
DEF 14A Open DEF 14A document View SEC filing for DEF 14A NON CLASSIFIED FUND N&P 06 Jun 2018 30 Jul 2018 811-08349
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A MS AMENDMENT 16 May 2018 005-84454
N-CSRS Open N-CSRS document View SEC filing for N-CSRS BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 04 May 2018 28 Feb 2018 811-08349
NSAR-A Open NSAR-A document View SEC filing for NSAR-A 25 Apr 2018 28 Feb 2018 811-08349
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 16 Feb 2018 16 Feb 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Feb 2018 31 Jan 2018
N-Q Open N-Q document View SEC filing for N-Q BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 22 Jan 2018 30 Nov 2017 811-08349
40-17G Open 40-17G document View SEC filing for 40-17G BLACKROCK FIDELITY BOND FILING 17 Jan 2018 811-08349
N-CSR Open N-CSR document View SEC filing for N-CSR BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 03 Nov 2017 31 Aug 2017 811-08349
NSAR-B Open NSAR-B document View SEC filing for NSAR-B 30 Oct 2017 31 Aug 2017 811-08349
N-PX Open N-PX document View SEC filing for N-PX BLACKROCK MUNIHOLDING INVESTMENT QUALITY FUND 25 Aug 2017 30 Jun 2017 811-08349
N-Q Open N-Q document | Open XBRL data View SEC filing for N-Q BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 24 Jul 2017 31 May 2017 811-08349
CORRESP Open CORRESP document View SEC filing for CORRESP 21 Jul 2017
DEF 14A Open DEF 14A document View SEC filing for DEF 14A NON CLASSIFIED FUND N&P 07 Jun 2017 25 Jul 2017 811-08349
N-CSRS Open N-CSRS document View SEC filing for N-CSRS BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 03 May 2017 28 Feb 2017 811-08349
NSAR-A Open NSAR-A document View SEC filing for NSAR-A 25 Apr 2017 28 Feb 2017 811-08349
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A NONE 24 Apr 2017 005-84454
40-17G Open 40-17G document View SEC filing for 40-17G BLACKROCK FIDELITY BOND FILING 27 Feb 2017 811-08349
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A MSSB 13GA NO 327 14 Feb 2017 005-84454
N-Q Open N-Q document View SEC filing for N-Q BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 24 Jan 2017 30 Nov 2016 811-08349
N-CSR Open N-CSR document View SEC filing for N-CSR BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 03 Nov 2016 31 Aug 2016 811-08349
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 31 Oct 2016 28 Oct 2016
NSAR-B Open NSAR-B document View SEC filing for NSAR-B 28 Oct 2016 31 Aug 2016 811-08349
N-PX Open N-PX document View SEC filing for N-PX BLACKROCK MUNIHOLDING INVESTMENT QUALITY FUND 26 Aug 2016 30 Jun 2016 811-08349
N-Q Open N-Q document View SEC filing for N-Q BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 26 Jul 2016 31 May 2016 811-08349
DEF 14A Open DEF 14A document View SEC filing for DEF 14A BLACKROCK PROXY 09 Jun 2016 26 Jul 2016 811-08349
N-CSRS Open N-CSRS document | Open XBRL data View SEC filing for N-CSRS BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 03 May 2016 29 Feb 2016 811-08349
NSAR-A Open NSAR-A document | Open XBRL data View SEC filing for NSAR-A 28 Apr 2016 29 Feb 2016 811-08349
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 01 Apr 2016 01 Apr 2016
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 02 Mar 2016 01 Mar 2016
40-17G Open 40-17G document View SEC filing for 40-17G 17 Feb 2016 811-08349
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A ST MSSB AMENDMENT 11 Feb 2016 005-84454
N-Q Open N-Q document View SEC filing for N-Q BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 22 Jan 2016 30 Nov 2015 811-08349
N-CSR Open N-CSR document View SEC filing for N-CSR BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 03 Nov 2015 31 Aug 2015 811-08349
NSAR-B Open NSAR-B document View SEC filing for NSAR-B 28 Oct 2015 31 Aug 2015 811-08349
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 21 Sep 2015 18 Sep 2015
N-PX Open N-PX document View SEC filing for N-PX BLACKROCK MUNIHOLDING INVESTMENT QUALITY FUND 26 Aug 2015 30 Jun 2015 811-08349
N-Q Open N-Q document View SEC filing for N-Q BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 23 Jul 2015 31 May 2015 811-08349
DEF 14A Open DEF 14A document View SEC filing for DEF 14A BLACKROCK PROXY NON-CLASSIFIED 12 Jun 2015 29 Jul 2015 811-08349
N-CSRS Open N-CSRS document View SEC filing for N-CSRS BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 01 May 2015 28 Feb 2015 811-08349
NSAR-A Open NSAR-A document View SEC filing for NSAR-A 24 Apr 2015 28 Feb 2015 811-08349
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A MSSB AMENDMENT 17 Feb 2015 005-84454
N-Q Open N-Q document View SEC filing for N-Q BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 22 Jan 2015 30 Nov 2014 811-08349
CORRESP Open CORRESP document View SEC filing for CORRESP 16 Jan 2015
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDED SCHEDULE 13G 07 Jan 2015 005-84454
40-17G Open 40-17G document View SEC filing for 40-17G 40-17G 19 Dec 2014 811-08349
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Dec 2014 09 Dec 2014
N-CSR Open N-CSR document View SEC filing for N-CSR BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 03 Nov 2014 31 Aug 2014 811-08349
NSAR-B Open NSAR-B document View SEC filing for NSAR-B 29 Oct 2014 31 Aug 2014 811-08349
N-PX Open N-PX document View SEC filing for N-PX BLACKROCK MUNIHOLDING INVESTMENT QUALITY FUND 27 Aug 2014 30 Jun 2013 811-08349
N-Q Open N-Q document View SEC filing for N-Q BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 23 Jul 2014 31 May 2014 811-08349
DEFA14A Open DEFA14A document View SEC filing for DEFA14A BLACKROCK PROXY NON-CLASSIFIED BOARD 13 Jun 2014 811-08349
DEF 14A Open DEF 14A document View SEC filing for DEF 14A BLACKROCK PROXY NON-CLASSIFIED BOARD 13 Jun 2014 30 Jul 2014 811-08349
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 10 Jun 2014 06 Jun 2014
N-CSRS Open N-CSRS document View SEC filing for N-CSRS BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 01 May 2014 28 Feb 2014 811-08349
3 Open 3 document View SEC filing for 3 FORM 3 28 Apr 2014 17 Apr 2014
SC 13D Open SC 13D document View SEC filing for SC 13D NONE 28 Apr 2014 005-84454
NSAR-A Open NSAR-A document View SEC filing for NSAR-A 24 Apr 2014 28 Feb 2014 811-08349
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A ST MSSB AMENDMENT 10 Feb 2014 005-84454
N-Q Open N-Q document View SEC filing for N-Q BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 27 Jan 2014 30 Nov 2013 811-08349
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDED SCHEDULE 13G 22 Jan 2014 005-84454
40-17G Open 40-17G document View SEC filing for 40-17G 40-17G 04 Dec 2013 811-08349
N-CSR Open N-CSR document View SEC filing for N-CSR BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 04 Nov 2013 31 Aug 2013 811-08349
NSAR-B Open NSAR-B document View SEC filing for NSAR-B 28 Oct 2013 31 Aug 2013 811-08349
N-PX Open N-PX document View SEC filing for N-PX BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 28 Aug 2013 30 Jun 2013 811-08349
N-Q Open N-Q document View SEC filing for N-Q BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 25 Jul 2013 31 May 2013 811-08349
DEF 14A Open DEF 14A document View SEC filing for DEF 14A BLACKROCK PROXY NON-CLASSIFIED BOARD 13 Jun 2013 30 Jul 2013 811-08349
N-CSRS Open N-CSRS document View SEC filing for N-CSRS BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 01 May 2013 28 Feb 2013 811-08349
NSAR-A Open NSAR-A document View SEC filing for NSAR-A 25 Apr 2013 28 Feb 2013 811-08349
SC 13G Open SC 13G document View SEC filing for SC 13G ST MSSB INITIAL 14 Feb 2013 005-84454
CORRESP Open CORRESP document View SEC filing for CORRESP 29 Jan 2013
N-Q Open N-Q document View SEC filing for N-Q BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 24 Jan 2013 30 Nov 2012 811-08349
40-17G Open 40-17G document View SEC filing for 40-17G FORM 40-17G 18 Jan 2013 811-08349
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDED SCHEDULE 13G 15 Jan 2013 005-84454
CORRESP Open CORRESP document View SEC filing for CORRESP 07 Dec 2012
N-CSR Open N-CSR document View SEC filing for N-CSR BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 05 Nov 2012 31 Aug 2012 811-08349
NSAR-B Open NSAR-B document View SEC filing for NSAR-B 29 Oct 2012 31 Aug 2012 811-08349
N-PX Open N-PX document View SEC filing for N-PX BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 28 Aug 2012 30 Jun 2012 811-08349
N-Q Open N-Q document View SEC filing for N-Q 26 Jul 2012 31 May 2012 811-08349
DEFR14A Open DEFR14A document View SEC filing for DEFR14A NON CLASSIFIED FUND NOTICE AND PROXY 12 Jun 2012 811-08349
DEF 14A Open DEF 14A document View SEC filing for DEF 14A NON CLASSIFIED FUND NOTICE AND PROXY 11 Jun 2012 27 Jul 2012 811-08349
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 25 May 2012 22 May 2012
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 25 May 2012 22 May 2012
N-CSRS Open N-CSRS document View SEC filing for N-CSRS 01 May 2012 29 Feb 2012 811-08349
NSAR-A Open NSAR-A document View SEC filing for NSAR-A 24 Apr 2012 29 Feb 2012 811-08349
40-17G Open 40-17G document View SEC filing for 40-17G 03 Feb 2012 811-08349
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDED SCHEDULE 13G 27 Jan 2012 005-84454
N-Q Open N-Q document View SEC filing for N-Q 25 Jan 2012 30 Nov 2011 811-08349
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 10 Jan 2012 03 Jan 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Nov 2011 16 Nov 2011
N-CSR Open N-CSR document View SEC filing for N-CSR 07 Nov 2011 31 Aug 2011 811-08349
NSAR-B Open NSAR-B document View SEC filing for NSAR-B 31 Oct 2011 31 Aug 2011 811-08349
40-17G Open 40-17G document View SEC filing for 40-17G 25 Oct 2011 811-08349
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 09 Sep 2011 005-84454
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 09 Sep 2011 31 Aug 2011
N-PX Open N-PX document View SEC filing for N-PX BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND 29 Aug 2011 30 Jun 2011 811-08349
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Aug 2011 26 Jul 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND - SCH13D-A#1 01 Aug 2011 005-84454
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 28 Jul 2011 28 Jul 2011
N-Q Open N-Q document View SEC filing for N-Q 28 Jul 2011 31 May 2011 811-08349
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Jul 2011 21 Jul 2011
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Jul 2011 18 Jul 2011
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Jul 2011 23 May 2011
N-23C-2 Open N-23C-2 document View SEC filing for N-23C-2 01 Jul 2011 30 Jun 2011 817-00982
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFINITIVE ADDITIONAL MATERIALS 16 Jun 2011 811-08349
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 16 Jun 2011 16 Jun 2011 811-08349
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 May 2011 21 Apr 2011
N-CSRS Open N-CSRS document View SEC filing for N-CSRS 06 May 2011 28 Feb 2011 811-08349
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 May 2011 12 Jan 2011
NSAR-A Open NSAR-A document View SEC filing for NSAR-A 28 Apr 2011 28 Feb 2011 811-08349
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Apr 2011 25 Apr 2011
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 20 Apr 2011 14 Apr 2011
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Mar 2011 14 Oct 2010
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 18 Feb 2011 11 Feb 2011
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDED SCHEDULE 13G 07 Feb 2011 005-84454
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 04 Feb 2011 04 Feb 2011 811-08349
N-Q Open N-Q document View SEC filing for N-Q 26 Jan 2011 30 Nov 2010 811-08349
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Jan 2011 005-84454
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 11 Jan 2011 005-84454
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 18 Nov 2010 12 Nov 2010
N-CSR Open N-CSR document View SEC filing for N-CSR 08 Nov 2010 31 Aug 2010 811-08349
40-17G Open 40-17G document View SEC filing for 40-17G 05 Nov 2010 811-08349
NSAR-B Open NSAR-B document View SEC filing for NSAR-B 01 Nov 2010 31 Aug 2010 811-08349
8-K Open 8-K document View SEC filing for 8-K BLACKROCK MUNIHOLDINGS INSURED INVESTMENT FUND 09 Sep 2010 02 Sep 2010 811-08349
N-PX Open N-PX document View SEC filing for N-PX MFL 25 Aug 2010 30 Jun 2010 811-08349
N-Q Open N-Q document View SEC filing for N-Q 29 Jul 2010 31 May 2010 811-08349
DEF 14A Open DEF 14A document View SEC filing for DEF 14A PROXY STATEMENT 23 Jul 2010 02 Sep 2010 811-08349
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDED SCHEDULE 13G 10 May 2010 005-84454
N-CSRS Open N-CSRS document View SEC filing for N-CSRS 05 May 2010 28 Feb 2010 811-08349
NSAR-A Open NSAR-A document View SEC filing for NSAR-A 29 Apr 2010 28 Feb 2010 811-08349
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G AMENDMENT 12 Mar 2010 005-84454
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 08 Feb 2010 005-84454
N-Q Open N-Q document View SEC filing for N-Q 29 Jan 2010 30 Nov 2009 811-08349
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 22 Jan 2010 005-84454
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 20 Jan 2010 005-84454
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2010 15 Jan 2010

About this filer

BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND files with the SEC under CIK 0001045126. This page aggregates EDGAR filings and related ownership activity.

See insider transactions for this issuer.

FAQ

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