abrdn Healthcare Investors — SC 13G/A Filings
54 SC 13G/A filings on record
This page lists all SC 13G/A filings submitted to the SEC by abrdn Healthcare Investors (HQH), sorted by most recent first. Each row links to the full filing on EdgarLookup. abrdn Healthcare Investors has filed 54 SC 13G/A documents with the SEC since 1995. To view all SEC filings by abrdn Healthcare Investors, see the full filings list.
All
13F-HR
13F-HR/A
3
3/A
4
40-17G
40-6C
40-APP
40-APP/A
497
497AD
8-K
CORRESP
DEF 14A
DEFA14A
EFFECT
N-2
N-2/A
N-30D
N-CEN
N-CSR
N-CSR/A
N-CSRS
N-PX
N-PX/A
N-Q
N-Q/A
NPORT-EX
NPORT-P
NSAR-A
NSAR-B
POS AMI
POS EX
PRE 14A
SC 13D
SC 13D/A
SC 13G
SC 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13G/A | MS AMENDMENT | 0000895421-24-000232 | Feb 12, 2024 | — |
| SC 13G/A | MS AMENDMENT | 0000895421-23-000203 | Feb 10, 2023 | — |
| SC 13G/A | MS AMENDMENT | 0000895421-22-000345 | Feb 11, 2022 | — |
| SC 13G/A | MS AMENDMENT | 0000895421-21-000211 | Feb 12, 2021 | — |
| SC 13G/A | MS AMENDMENT | 0000895421-20-000200 | Feb 13, 2020 | — |
| SC 13G/A | MSSB AMENDMENT | 0000895421-19-000270 | Feb 13, 2019 | — |
| SC 13G/A | MS AMENDMENT | 0000895421-18-000219 | Feb 13, 2018 | — |
| SC 13G/A | MSSB YE AMENDMENT | 0000895421-17-000117 | Feb 13, 2017 | — |
| SC 13G/A | MSSB AMENDMENT | 0000895421-16-000578 | Feb 11, 2016 | — |
| SC 13G/A | ST MSSB AMENDMENT | 0000895421-15-000171 | Feb 17, 2015 | — |
| SC 13G/A | AMENDED SCHEDULE 13G | 0001445546-15-000165 | Jan 12, 2015 | — |
| SC 13G/A | MSSB AMENDMENT | 0000895421-14-000310 | Apr 9, 2014 | — |
| SC 13G/A | ST MSSB AMENDMENT | 0000895421-14-000110 | Feb 10, 2014 | — |
| SC 13G/A | AMENDED SCHEDULE 13G | 0001445546-14-000192 | Jan 13, 2014 | — |
| SC 13G/A | AMENDED SCHEDULE 13G | 0001445546-13-003272 | Jul 10, 2013 | — |
| SC 13G/A | ST MSSB AMENDMENT | 0000895421-13-000196 | Feb 14, 2013 | — |
| SC 13G/A | H&Q HEALTHCARE INVESTORS SC 13G/A | 0000950152-05-004526 | May 16, 2005 | — |
| SC 13G/A | 13G/A | 0001047469-05-002440 | Feb 4, 2005 | — |
| SC 13G/A | 13G/A | 0001047469-05-002445 | Feb 4, 2005 | — |
| SC 13G/A | SC 13G/A | 0001047469-05-002444 | Feb 4, 2005 | — |
| SC 13G/A | 13G/A | 0001047469-05-002443 | Feb 4, 2005 | — |
| SC 13G/A | SC 13G/A | 0001047469-05-002442 | Feb 4, 2005 | — |
| SC 13G/A | SC 13G/A | 0001047469-05-002441 | Feb 4, 2005 | — |
| SC 13G/A | — | 0000938582-01-000016 | Feb 12, 2001 | — |
| SC 13G/A | — | 0000938582-00-000022 | Apr 7, 2000 | — |
| SC 13G/A | BIOTRANSPLANT FORM SC 13G/A | 0000950146-00-000166 | Feb 22, 2000 | — |
| SC 13G/A | CALYPTE BIOMEDICAL FORM SC 13G/A | 0000950146-00-000165 | Feb 22, 2000 | — |
| SC 13G/A | CUBIST PHARMACEUTICALS FORM SC 13G/A | 0000950146-00-000164 | Feb 22, 2000 | — |
| SC 13G/A | LJL BIOSYSTEMS FORM SC 13G/A | 0000950146-00-000162 | Feb 22, 2000 | — |
| SC 13G/A | EP MEDSYSTEMS FORM SC 13G/A | 0000950146-00-000163 | Feb 22, 2000 | — |
| SC 13G/A | BIOFIELD FORM SC 13G/A | 0000950146-00-000167 | Feb 22, 2000 | — |
| SC 13G/A | — | 0000938582-00-000012 | Feb 14, 2000 | — |
| SC 13G/A | — | 0000915656-99-000007 | Feb 16, 1999 | — |
| SC 13G/A | BIOFIELD FORM SC 13G/A | 0001029869-99-000228 | Feb 12, 1999 | — |
| SC 13G/A | CUBIST PHARMACEUTICALS FORM SC 13G/A | 0001029869-99-000229 | Feb 12, 1999 | — |
| SC 13G/A | CALYPTE BIOMEDICAL FORM SC 13G/A | 0001029869-99-000230 | Feb 12, 1999 | — |
| SC 13G/A | BIOJECT MEDICAL TECHNOLOGIES FORM SC 13G/A | 0001029869-99-000231 | Feb 12, 1999 | — |
| SC 13G/A | MARTEK BIOSCIENCES FORM SC 13G/A | 0001029869-99-000232 | Feb 12, 1999 | — |
| SC 13G/A | BIOTRANSPLANT FORM SC 13G/A | 0001029869-99-000233 | Feb 12, 1999 | — |
| SC 13G/A | CUBIST PHARMACEUTICALS FORM SC 13G/A | 0001029869-98-001182 | Oct 7, 1998 | — |
| SC 13G/A | SCHEDULE 13G, AMENDMENT NO. 2 | 0000915656-98-000008 | Feb 11, 1998 | — |
| SC 13G/A | MARTEK BIOSCIENCES FORM SC 13G/A | 0001029869-98-000132 | Feb 10, 1998 | — |
| SC 13G/A | CV THERAPEUTICS FORM SC 13G/A | 0001029869-98-000133 | Feb 10, 1998 | — |
| SC 13G/A | AMENDMENT NO. 3 | 0001029869-98-000126 | Feb 10, 1998 | — |
| SC 13G/A | CALYPTE BIOMEDICAL FORM SC 13G/A | 0001029869-98-000130 | Feb 10, 1998 | — |
| SC 13G/A | BIOFIELD FORM SC 13G/A | 0001029869-98-000128 | Feb 10, 1998 | — |
| SC 13G/A | BIOJECT MEDICAL TECHNOLOGIES FORM SC 13G/A | 0001029869-98-000129 | Feb 10, 1998 | — |
| SC 13G/A | BIOTRANSPLANT FORM SC 13G/A | 0001029869-98-000127 | Feb 10, 1998 | — |
| SC 13G/A | CUBIST PHARMACEUTICALS FORM SC 13G/A | 0001029869-98-000131 | Feb 10, 1998 | — |
| SC 13G/A | AMENDMENT NO. 2 | 0001029869-97-000616 | May 15, 1997 | — |