abrdn Life Sciences Investors reports

Company location: Philadelphia, PA
Fiscal year end: 30 September

abrdn Life Sciences Investors has filed 515 SEC EDGAR filings since 13 Dec 1995

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SEC filing history

Showing 1-25 of 383 matching filings.

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OWNERSHIP DOCUMENT

Filing date: 20 Jul 2026
Reporting date: 16 Jul 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

OWNERSHIP DOCUMENT

Filing date: 11 Jun 2026
Reporting date: 09 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

N-CSRS File 811-06565

N-CSRS

Filing date: 08 Jun 2026
Reporting date: 31 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

NPORT-P File 811-06565

NPORT-P filing

Filing date: 29 May 2026
Reporting date: 31 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 811-06565

DEF 14A

Filing date: 07 Apr 2026
Reporting date: 27 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A File 005-48561

SCHEDULE 13G/A filing

Filing date: 06 Mar 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

NPORT-P File 811-06565

NPORT-P filing

Filing date: 27 Feb 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13D/A File 005-48561

SCHEDULE 13D/A filing

Filing date: 23 Feb 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13D/A File 005-48561

SCHEDULE 13D/A filing

Filing date: 11 Feb 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13D/A File 005-48561

SCHEDULE 13D/A filing

Filing date: 08 Jan 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

OWNERSHIP DOCUMENT

Filing date: 19 Dec 2025
Reporting date: 09 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

OWNERSHIP DOCUMENT

Filing date: 18 Dec 2025
Reporting date: 16 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

N-CSR File 811-06565

N-CSR

Filing date: 08 Dec 2025
Reporting date: 30 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

N-CEN File 811-06565

N-CEN filing

Filing date: 08 Dec 2025
Reporting date: 30 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

NPORT-P File 811-06565

NPORT-P filing

Filing date: 26 Nov 2025
Reporting date: 30 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13D/A File 005-48561

SCHEDULE 13D/A filing

Filing date: 24 Nov 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13D/A File 005-48561

SCHEDULE 13D/A filing

Filing date: 26 Sep 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 23 Sep 2025
Reporting date: 19 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 19 Sep 2025
Reporting date: 17 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 17 Sep 2025
Reporting date: 15 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 15 Sep 2025
Reporting date: 11 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 04 Sep 2025
Reporting date: 02 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13D/A File 005-48561

SCHEDULE 13D/A filing

Filing date: 03 Sep 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 02 Sep 2025
Reporting date: 29 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

N-PX File 811-06565

N-PX filing

Filing date: 29 Aug 2025
Reporting date: 30 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing