04/22/2024 3:13 PM | abrdn Healthcare Investors (Filer) Abrdn Healthcare Opportunities Fund (Filer) abrdn World Healthcare Fund (Filer)
| Form DEF 14A | |
04/12/2024 8:21 AM | Abrdn Healthcare Opportunities Fund (Issuer) Goetz Kathleen (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/22/2024 11:41 AM | Abrdn Healthcare Opportunities Fund (Issuer) Tse Loretta (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
02/29/2024 11:37 AM | Abrdn Healthcare Opportunities Fund (Filer)
| Form NPORT-P Monthly Portfolio Investments Report on Form NPORT | |
01/04/2024 1:23 PM | Abrdn Healthcare Opportunities Fund (Issuer) Reit Todd (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/02/2024 3:35 PM | Abrdn Healthcare Opportunities Fund (Issuer) Maher Bill (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/22/2023 1:06 PM | Abrdn Healthcare Opportunities Fund (Issuer) Akus Jason (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
|
12/22/2023 1:13 PM | Abrdn Healthcare Opportunities Fund (Issuer) Ritchie Ben (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
12/22/2023 1:16 PM | Abrdn Healthcare Opportunities Fund (Issuer) Duitz Joshua (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
12/12/2023 9:43 AM | Abrdn Healthcare Opportunities Fund (Filer)
| Form N-CEN Annual Report for Registered Investment Companies | |
11/15/2023 2:13 PM | Abrdn Healthcare Opportunities Fund (Filer)
| Form NPORT-P Monthly Portfolio Investments Report on Form NPORT | |
11/06/2023 2:41 PM | Abrdn Healthcare Opportunities Fund (Issuer) abrdn Inc. (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
11/06/2023 2:41 PM | Abrdn Healthcare Opportunities Fund (Issuer) Matsick Jaclyn Marie (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
11/06/2023 2:43 PM | Abrdn Healthcare Opportunities Fund (Issuer) Nichols Jennifer A (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
11/06/2023 2:44 PM | Abrdn Healthcare Opportunities Fund (Issuer) O'Connor James Joseph (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
11/06/2023 2:45 PM | Abrdn Healthcare Opportunities Fund (Issuer) Tooze Marika (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
11/06/2023 2:46 PM | Abrdn Healthcare Opportunities Fund (Issuer) DiMartino Rose (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
11/06/2023 2:47 PM | Abrdn Healthcare Opportunities Fund (Issuer) Maher Bill (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
11/06/2023 2:47 PM | Abrdn Healthcare Opportunities Fund (Issuer) Reit Todd (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
11/06/2023 2:48 PM | Abrdn Healthcare Opportunities Fund (Issuer) BIRD STEPHEN (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
10/13/2023 3:41 PM | Abrdn Healthcare Opportunities Fund (Filer) Tekla World Healthcare Fund (Filer)
| Form DEFA14A | |
10/10/2023 9:46 AM | Abrdn Healthcare Opportunities Fund (Filer)
| Form DEFA14A | |
10/05/2023 12:15 PM | TEKLA HEALTHCARE INVESTORS (Filer) Abrdn Healthcare Opportunities Fund (Filer) TEKLA LIFE SCIENCES INVESTORS (Filer) Tekla World Healthcare Fund (Filer)
| Form DEFA14A | |
10/02/2023 10:56 AM | TEKLA HEALTHCARE INVESTORS (Filer) Abrdn Healthcare Opportunities Fund (Filer) TEKLA LIFE SCIENCES INVESTORS (Filer) Tekla World Healthcare Fund (Filer)
| Form DEFA14A | |
09/27/2023 8:34 AM | Abrdn Healthcare Opportunities Fund (Filer)
| Form POS EX | |
09/15/2023 4:12 PM | TEKLA HEALTHCARE INVESTORS (Filer) Abrdn Healthcare Opportunities Fund (Filer) TEKLA LIFE SCIENCES INVESTORS (Filer) Tekla World Healthcare Fund (Filer)
| Form DEFA14A | |
09/15/2023 4:01 PM | TEKLA HEALTHCARE INVESTORS (Filer) Abrdn Healthcare Opportunities Fund (Filer) TEKLA LIFE SCIENCES INVESTORS (Filer) Tekla World Healthcare Fund (Filer)
| Form DEFA14A | |
09/12/2023 7:20 PM | TEKLA HEALTHCARE INVESTORS (Filer) Abrdn Healthcare Opportunities Fund (Filer) TEKLA LIFE SCIENCES INVESTORS (Filer) Tekla World Healthcare Fund (Filer)
| Form DEFA14A | |
09/12/2023 4:07 PM | Abrdn Healthcare Opportunities Fund (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
09/05/2023 4:08 PM | TEKLA HEALTHCARE INVESTORS (Filer) Abrdn Healthcare Opportunities Fund (Filer) TEKLA LIFE SCIENCES INVESTORS (Filer) Tekla World Healthcare Fund (Filer)
| Form DEFA14A | |
08/29/2023 2:44 PM | TEKLA HEALTHCARE INVESTORS (Filer) Abrdn Healthcare Opportunities Fund (Filer) TEKLA LIFE SCIENCES INVESTORS (Filer) Tekla World Healthcare Fund (Filer)
| Form DEFA14A | |
08/28/2023 2:31 PM | Abrdn Healthcare Opportunities Fund (Filer)
| Form NPORT-P Monthly Portfolio Investments Report on Form NPORT | |
08/25/2023 1:36 PM | Abrdn Healthcare Opportunities Fund (Filer)
| Form N-CSR/A | |
08/22/2023 4:02 PM | TEKLA HEALTHCARE INVESTORS (Filer) Abrdn Healthcare Opportunities Fund (Filer) TEKLA LIFE SCIENCES INVESTORS (Filer) Tekla World Healthcare Fund (Filer)
| Form DEFA14A | |
08/22/2023 2:36 PM | Abrdn Healthcare Opportunities Fund (Filer)
| Form N-CSR/A | |
08/14/2023 10:39 AM | TEKLA HEALTHCARE INVESTORS (Filer) Abrdn Healthcare Opportunities Fund (Filer) TEKLA LIFE SCIENCES INVESTORS (Filer) Tekla World Healthcare Fund (Filer)
| Form DEFA14A | |
08/11/2023 10:43 AM | TEKLA HEALTHCARE INVESTORS (Filer) Abrdn Healthcare Opportunities Fund (Filer) TEKLA LIFE SCIENCES INVESTORS (Filer) Tekla World Healthcare Fund (Filer)
| Form DEFA14A | |
08/04/2023 11:10 AM | Abrdn Healthcare Opportunities Fund (Filer)
| Form N-PX Annual Report of Proxy Voting Record of Registered Management Investment Company | |
08/04/2023 10:04 AM | TEKLA HEALTHCARE INVESTORS (Filer) Abrdn Healthcare Opportunities Fund (Filer) TEKLA LIFE SCIENCES INVESTORS (Filer) Tekla World Healthcare Fund (Filer)
| Form 40-17G | |
07/28/2023 4:05 PM | TEKLA HEALTHCARE INVESTORS (Filer) Abrdn Healthcare Opportunities Fund (Filer) TEKLA LIFE SCIENCES INVESTORS (Filer) Tekla World Healthcare Fund (Filer)
| Form DEFA14A | |
07/18/2023 3:29 PM | TEKLA HEALTHCARE INVESTORS (Filer) Abrdn Healthcare Opportunities Fund (Filer) TEKLA LIFE SCIENCES INVESTORS (Filer) Tekla World Healthcare Fund (Filer)
| Form DEFA14A | |
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07/11/2023 1:30 PM | TEKLA HEALTHCARE INVESTORS (Filer) Abrdn Healthcare Opportunities Fund (Filer) TEKLA LIFE SCIENCES INVESTORS (Filer) Tekla World Healthcare Fund (Filer)
| Form DEFA14A | |
07/10/2023 4:28 PM | TEKLA HEALTHCARE INVESTORS (Filer) Abrdn Healthcare Opportunities Fund (Filer) TEKLA LIFE SCIENCES INVESTORS (Filer) Tekla World Healthcare Fund (Filer)
| Form DEF 14A | |
06/27/2023 4:06 PM | TEKLA HEALTHCARE INVESTORS (Filer) Abrdn Healthcare Opportunities Fund (Filer) TEKLA LIFE SCIENCES INVESTORS (Filer) Tekla World Healthcare Fund (Filer)
| Form PRE 14A | |
06/06/2023 2:24 PM | Abrdn Healthcare Opportunities Fund (Filer)
| Form N-CSRS | |
05/15/2023 1:41 PM | Abrdn Healthcare Opportunities Fund (Filer)
| Form NPORT-P Monthly Portfolio Investments Report on Form NPORT | |