Security Snapshot

CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND - SH BEN INT (CHI) Institutional Ownership

CUSIP: 128117108

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

Latest Period

Q1 2026

Institutions Reporting

132

Shares (Excl. Options)

17,826,484

Price

$10.74

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Type / Class
Equity / SH BEN INT
Symbol
CHI on Nasdaq
Price per share
$12.03
All holders as of 31 Mar 2026
Q1 2026
Total 13F shares
17,826,484
Total reported value
$191,491,889
% of total 13F portfolios
0%
Share change
+435,430
Value change
+$4,720,153
Number of holders
132
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • CHI - CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND - SH BEN INT is tracked under CUSIP 128117108.
  • 132 institutions reported positions in Q1 2026.
  • Schedule 13D/13G significant owner rows are not currently available.

What Changed

  • Holder count moved from 143 to 132 between Q4 2025 and Q1 2026.
  • Reported value moved from $184,964,791 to $191,491,889.

Why This Matters

  • 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.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 132 institutions filings for Q1 2026.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 128117108?
CUSIP 128117108 identifies CHI - CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND - SH BEN INT in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q1 2026 holders report and the ownership history table below.

As of 31 Mar 2026, 132 institutional investors reported holding 17,826,484 shares of CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND - SH BEN INT (CHI).

Institutional Holders of CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND - SH BEN INT (CHI) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 17,826,484 $191,491,889 +$4,720,153 $10.74 132
2025 Q4 17,645,470 $184,964,791 +$3,534,006 $10.48 143
2025 Q3 17,070,691 $184,146,319 +$5,131,316 $10.79 129
2025 Q2 16,979,241 $178,624,693 +$15,593,733 $10.52 134
2025 Q1 15,493,867 $148,591,554 +$271,215 $9.59 118
2024 Q4 15,424,559 $184,135,726 +$5,352,899 $11.94 124
2024 Q3 14,763,906 $171,869,534 -$6,065,648 $11.64 112
2024 Q2 15,157,268 $176,428,960 +$12,208,350 $11.64 109
2024 Q1 14,050,533 $159,483,568 -$995,482 $11.35 106
2023 Q4 14,193,414 $147,042,279 -$1,334,368 $10.36 111
2023 Q3 14,102,245 $148,633,069 +$577,155 $10.54 108
2023 Q2 14,015,139 $156,968,608 +$2,590,862 $11.20 107
2023 Q1 13,781,998 $144,983,759 +$917,309 $10.52 114
2022 Q4 13,834,422 $145,444,759 +$4,118,200 $10.51 107
2022 Q3 13,371,913 $129,391,450 -$1,822,719 $9.66 101
2022 Q2 13,617,851 $146,008,611 +$3,053,117 $10.72 108
2022 Q1 13,165,436 $173,801,089 -$2,217,703 $13.21 112
2021 Q4 13,429,228 $202,889,847 +$1,411,658 $15.11 105
2021 Q3 13,339,769 $199,726,153 -$2,830,368 $14.97 101
2021 Q2 13,515,913 $205,053,679 -$8,497,456 $15.17 103
2021 Q1 14,098,495 $200,608,799 -$14,293,315 $14.22 105
2020 Q4 14,985,975 $203,040,880 +$13,808,185 $13.54 109
2020 Q3 14,036,204 $154,556,394 +$4,967,033 $11.00 96
2020 Q2 13,484,717 $143,572,181 +$819,205 $10.64 90
2020 Q1 13,404,853 $111,913,659 +$6,684,430 $8.34 95
2019 Q4 12,593,089 $138,619,170 +$3,792,403 $11.00 95
2019 Q3 11,686,596 $121,690,170 +$4,866,086 $10.41 85
2019 Q2 11,216,632 $117,841,719 +$1,518,989 $10.50 85
2019 Q1 11,084,849 $112,453,639 -$6,442,883 $10.14 96
2018 Q4 11,923,434 $105,660,211 +$13,216,920 $8.86 89
2018 Q3 10,072,737 $121,154,631 +$3,455,915 $12.04 87
2018 Q2 9,857,530 $116,159,936 +$1,259,797 $11.79 88
2018 Q1 8,998,133 $99,841,206 -$35,056,827 $11.10 88
2017 Q4 12,138,366 $135,812,775 +$5,022,511 $11.19 87
2017 Q3 11,595,505 $133,686,440 -$1,507,318 $11.53 79
2017 Q2 11,716,442 $131,925,985 -$16,902,803 $11.26 84
2017 Q1 13,263,886 $146,003,207 +$15,057,668 $11.00 87
2016 Q4 11,990,145 $121,311,134 +$10,853,449 $10.09 91
2016 Q3 10,961,692 $113,254,694 -$23,063,442 $10.33 87
2016 Q2 13,202,739 $130,235,932 -$19,253,801 $9.83 81
2016 Q1 15,252,766 $144,312,057 +$14,046,531 $9.49 80
2015 Q4 13,873,970 $137,669,060 +$43,005,029 $9.91 89
2015 Q3 11,006,771 $108,835,388 +$13,669,945 $9.89 84
2015 Q2 9,262,292 $113,107,747 -$5,531,562 $12.21 77
2015 Q1 9,593,397 $124,417,369 +$1,224,082 $12.98 75
2014 Q4 9,446,669 $121,208,195 +$3,451,145 $12.84 77
2014 Q3 9,086,793 $122,834,851 -$5,644,173 $13.53 77
2014 Q2 9,554,112 $133,925,923 +$6,417,433 $14.03 77
2014 Q1 9,028,097 $124,507,629 -$4,573,083 $13.81 72
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