abrdn Healthcare Investors — All Filings
523 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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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 |
|---|---|---|---|---|
| NPORT-P | — | 0001410368-26-020672 | Feb 27, 2026 | Dec 31, 2025 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-25-123096 | Dec 19, 2025 | Dec 9, 2025 |
| N-CSR | N-CSR | 0001104659-25-119339 | Dec 8, 2025 | Sep 30, 2025 |
| N-CEN | — | 0001410368-25-033739 | Dec 8, 2025 | Sep 30, 2025 |
| NPORT-P | — | 0001410368-25-032524 | Nov 26, 2025 | Sep 30, 2025 |
| N-PX | — | 0001104659-25-085521 | Aug 29, 2025 | Jun 30, 2025 |
| NPORT-P | — | 0001410368-25-001787 | Aug 28, 2025 | Jun 30, 2025 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-25-069557 | Jul 22, 2025 | Jul 17, 2025 |
| N-CSRS | N-CSRS | 0001104659-25-057741 | Jun 9, 2025 | Mar 31, 2025 |
| NPORT-P | — | 0001752724-25-128174 | May 29, 2025 | Mar 31, 2025 |
| DEF 14A | DEF 14A | 0001104659-25-034659 | Apr 14, 2025 | May 28, 2025 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-25-026192 | Mar 20, 2025 | Mar 11, 2025 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-25-026182 | Mar 20, 2025 | Mar 11, 2025 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-25-026171 | Mar 20, 2025 | Mar 11, 2025 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-25-026159 | Mar 20, 2025 | Mar 11, 2025 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-25-026153 | Mar 20, 2025 | Mar 11, 2025 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-25-026148 | Mar 20, 2025 | Mar 11, 2025 |
| NPORT-P | — | 0001752724-25-047948 | Feb 28, 2025 | Dec 31, 2024 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-24-130670 | Dec 20, 2024 | Mar 13, 2024 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-24-130667 | Dec 20, 2024 | Dec 10, 2024 |
| N-CEN | — | 0001752724-24-283806 | Dec 16, 2024 | Sep 30, 2024 |
| N-CSR | N-CSR | 0001104659-24-126670 | Dec 9, 2024 | Sep 30, 2024 |
| NPORT-P | — | 0001752724-24-273643 | Nov 27, 2024 | Sep 30, 2024 |
| SC 13D/A | FORM SC 13D/A | 0001062993-24-019263 | Nov 18, 2024 | — |
| SC 13D/A | FORM SC 13D/A | 0001062993-24-017848 | Oct 22, 2024 | — |
| N-PX | — | 0001104659-24-095804 | Sep 3, 2024 | Jun 30, 2024 |
| NPORT-P | — | 0001752724-24-197831 | Aug 28, 2024 | Jun 30, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-080796 | Jul 18, 2024 | Jul 16, 2024 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-24-072766 | Jun 18, 2024 | Jun 12, 2024 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-24-072750 | Jun 18, 2024 | Jun 10, 2024 |
| N-CSRS | N-CSRS | 0001104659-24-069986 | Jun 10, 2024 | Mar 31, 2024 |
| NPORT-P | — | 0001752724-24-126556 | May 29, 2024 | Mar 31, 2024 |
| SC 13D/A | FORM SC 13D/A | 0001062993-24-009284 | May 3, 2024 | — |
| DEF 14A | DEF 14A | 0001104659-24-049994 | Apr 22, 2024 | Jun 25, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-046547 | Apr 12, 2024 | Apr 9, 2024 |
| 3 | PRIMARY DOCUMENT | 0002016058-24-000001 | Mar 22, 2024 | Mar 13, 2024 |
| SC 13D | FORM SC 13D | 0001062993-24-006470 | Mar 15, 2024 | — |
| NPORT-P | — | 0001752724-24-048656 | Feb 29, 2024 | Dec 31, 2023 |
| SC 13G/A | MS AMENDMENT | 0000895421-24-000232 | Feb 12, 2024 | — |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-002525 | Jan 9, 2024 | Dec 21, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-001270 | Jan 4, 2024 | Jan 2, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-000357 | Jan 2, 2024 | Dec 28, 2023 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-23-128719 | Dec 22, 2023 | Dec 13, 2023 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-23-128713 | Dec 22, 2023 | Dec 13, 2023 |
| N-CEN | — | 0001752724-23-276832 | Dec 12, 2023 | Sep 30, 2023 |
| N-CSR | N-CSR | 0001104659-23-124994 | Dec 11, 2023 | Sep 30, 2023 |
| NPORT-P | — | 0001752724-23-250945 | Nov 15, 2023 | Sep 30, 2023 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-23-114675 | Nov 6, 2023 | Oct 27, 2023 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-23-114674 | Nov 6, 2023 | Oct 27, 2023 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-23-114672 | Nov 6, 2023 | Oct 27, 2023 |