Security Snapshot

CALAMOS STRATEGIC TOTAL RETURN FUND - COM SH BEN INT (CSQ) Institutional Ownership

CUSIP: 128125101

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

214

Shares (Excl. Options)

38,506,352

Price

$17.12

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Type / Class
Equity / COM SH BEN INT
Symbol
CSQ on Nasdaq
Price per share
$18.85
All holders as of 31 Mar 2026
Q1 2026
Total 13F shares
38,506,352
Total reported value
$659,488,217
% of total 13F portfolios
0%
Share change
+118,824
Value change
-$1,981,555
Number of holders
214
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Key facts

  • CSQ - CALAMOS STRATEGIC TOTAL RETURN FUND - COM SH BEN INT is tracked under CUSIP 128125101.
  • 214 institutions reported positions in Q1 2026.
  • Schedule 13D/13G significant owner rows are not currently available.

Change

  • Holder count moved from 214 to 214 between Q4 2025 and Q1 2026.
  • Reported value moved from $740,988,430 to $659,488,217.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 214 institutions filings for Q1 2026.

Open SEC Evidence

Security key

128125101

Latest holder period

Q1 2026

13F holders

214

13D/G owners

0

CIK / CUSIP context first

Open Q1 2026 holders CSQ full holder history CALAMOS STRATEGIC TOTAL RETURN FUND SEC filings CALAMOS STRATEGIC TOTAL RETURN FUND insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

As of 31 Mar 2026, 214 institutional investors reported holding 38,506,352 shares of CALAMOS STRATEGIC TOTAL RETURN FUND - COM SH BEN INT (CSQ).

Institutional Holders of CALAMOS STRATEGIC TOTAL RETURN FUND - COM SH BEN INT (CSQ) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 38,506,352 $659,488,217 -$1,981,555 $17.12 214
2025 Q4 38,589,240 $740,988,430 +$20,633,797 $19.20 214
2025 Q3 37,398,136 $721,264,774 +$38,378,218 $19.29 207
2025 Q2 35,155,065 $641,223,683 +$16,158,613 $18.24 198
2025 Q1 34,202,883 $553,467,961 +$6,713,093 $16.18 197
2024 Q4 34,062,815 $603,476,698 +$12,446,241 $17.71 200
2024 Q3 33,055,678 $573,603,301 +$14,321,020 $17.35 187
2024 Q2 32,322,662 $544,103,042 +$12,557,554 $16.84 185
2024 Q1 31,399,577 $513,633,933 +$13,637,391 $16.37 174
2023 Q4 30,508,813 $453,723,464 +$7,167,319 $14.87 170
2023 Q3 30,030,619 $422,524,016 +$5,120,444 $14.07 166
2023 Q2 29,631,108 $437,031,995 +$7,103,549 $14.75 157
2023 Q1 29,310,158 $410,348,482 +$2,801,146 $14.00 166
2022 Q4 29,056,198 $389,836,150 +$5,045,696 $13.42 161
2022 Q3 28,602,989 $357,645,639 +$10,403,533 $12.50 153
2022 Q2 27,924,683 $366,197,751 +$8,990,461 $13.11 150
2022 Q1 27,117,626 $475,320,089 -$363,589 $17.53 156
2021 Q4 27,131,162 $523,157,246 +$5,728,227 $19.29 163
2021 Q3 25,937,930 $459,633,412 +$10,978,609 $17.72 141
2021 Q2 25,312,458 $460,420,191 +$11,626,214 $18.19 143
2021 Q1 24,673,925 $425,144,354 -$13,058,802 $17.23 143
2020 Q4 25,425,137 $401,465,131 +$3,305,960 $15.79 145
2020 Q3 25,160,860 $338,666,402 +$4,786,153 $13.46 130
2020 Q2 24,758,275 $307,770,074 -$4,468,542 $12.43 123
2020 Q1 24,730,257 $241,850,104 -$5,777,091 $9.77 134
2019 Q4 24,915,841 $338,861,281 +$2,626,925 $13.60 130
2019 Q3 24,694,876 $314,266,506 +$3,739,877 $12.72 127
2019 Q2 24,396,536 $311,319,356 -$4,898,946 $12.76 123
2019 Q1 24,800,023 $307,256,792 -$570,365 $12.39 129
2018 Q4 24,903,470 $263,749,398 +$4,119,958 $10.59 129
2018 Q3 24,201,532 $325,185,606 +$11,599,356 $13.44 127
2018 Q2 23,338,683 $295,636,833 -$4,171,018 $12.67 121
2018 Q1 23,710,779 $280,912,082 -$26,651,809 $11.83 120
2017 Q4 25,912,275 $313,021,091 +$13,202,063 $12.08 124
2017 Q3 24,552,364 $297,821,287 +$8,842,795 $12.13 106
2017 Q2 23,801,056 $279,424,507 +$3,256,991 $11.74 102
2017 Q1 23,539,542 $262,649,843 +$8,093,175 $11.16 105
2016 Q4 22,883,848 $235,281,482 +$3,768,414 $10.27 111
2016 Q3 22,538,289 $231,597,856 +$2,905,620 $10.28 99
2016 Q2 22,678,704 $224,239,777 +$5,380,857 $9.88 110
2016 Q1 22,060,420 $209,644,008 -$18,510,508 $9.51 112
2015 Q4 23,833,211 $235,579,817 +$25,484,252 $9.90 115
2015 Q3 21,471,438 $199,599,618 +$1,718,943 $9.29 97
2015 Q2 20,650,534 $226,489,691 +$965,131 $10.97 97
2015 Q1 20,079,276 $225,930,981 +$7,000,833 $11.26 103
2014 Q4 18,678,107 $213,659,439 -$1,350,084 $11.44 94
2014 Q3 19,067,071 $222,985,713 +$3,084,394 $11.70 87
2014 Q2 18,793,482 $225,687,302 +$6,060,512 $12.01 90
2014 Q1 18,561,398 $206,393,271 +$68,947 $11.12 97
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