Form N-CSRS - Certified Shareholder Report, Semi-Annual:
SEC Accession No. 0001104659-25-063508
Filing Date
2025-06-27
Accepted
2025-06-27 12:16:27
Documents
30
Period of Report
2025-04-30
Effectiveness Date
2025-06-27

Document Format Files

Seq Description Document Type Size
1 N-CSRS tm2516045d4_ncsrs.htm   iXBRL N-CSRS 10310799
2 EXHIBIT 99.CERT tm2516045d4_ex99-cert.htm EX-99.CERT 14350
3 EXHIBIT 99.906CERT tm2516045d4_ex99-906cert.htm EX-99.906CERT 5311
8 GRAPHIC j25160456_aa001.jpg GRAPHIC 179177
9 GRAPHIC j25160456_aa002.jpg GRAPHIC 54717
10 GRAPHIC j25160456_aa003.jpg GRAPHIC 47778
11 GRAPHIC j25160456_aa004.jpg GRAPHIC 13067
12 GRAPHIC j25160456_aa005.jpg GRAPHIC 19206
13 GRAPHIC j25160456_ga006.jpg GRAPHIC 19740
14 GRAPHIC j25160456_gc007.jpg GRAPHIC 19794
15 GRAPHIC j25160456_ge008.jpg GRAPHIC 22176
16 GRAPHIC j25160456_gg009.jpg GRAPHIC 15652
17 GRAPHIC j25160456_gi010.jpg GRAPHIC 20092
18 GRAPHIC j25160456_gk011.jpg GRAPHIC 21282
19 GRAPHIC j25160456_gm001.jpg GRAPHIC 18992
20 GRAPHIC j25160456_ia013.jpg GRAPHIC 4392
21 GRAPHIC j25160456_za014.jpg GRAPHIC 12366
22 GRAPHIC j25160456_za015.jpg GRAPHIC 47778
  Complete submission text file 0001104659-25-063508.txt   13518852

Data Files

Seq Description Document Type Size
4 XBRL TAXONOMY EXTENSION SCHEMA ck0001275214-20250430.xsd EX-101.SCH 23411
5 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE ck0001275214-20250430_def.xml EX-101.DEF 35963
6 XBRL TAXONOMY EXTENSION LABEL LINKBASE ck0001275214-20250430_lab.xml EX-101.LAB 66653
7 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE ck0001275214-20250430_pre.xml EX-101.PRE 40911
32 EXTRACTED XBRL INSTANCE DOCUMENT tm2516045d4_ncsrs_htm.xml XML 428554
Mailing Address 2020 CALAMOS COURT C/O CALAMOS ADVISORS LLC NAPERVILLE IL 60563
Business Address 2020 CALAMOS COURT C/O CALAMOS ADVISORS LLC NAPERVILLE IL 60563 6302451046
CALAMOS STRATEGIC TOTAL RETURN FUND (Filer) CIK: 0001275214 (see all company filings)

EIN.: 043785941 | Fiscal Year End: 1031
Type: N-CSRS | Act: 40 | File No.: 811-21484 | Film No.: 251084169