Calamos Convertible and High Income Fund
US ˙ NasdaqGS ˙ US12811P1084

SecurityCHY / Calamos Convertible and High Income Fund
InstitutionAdvisor Group Holdings, Inc.
Latest Disclosed Ownership301,151 shares
Latest Disclosed Value $ 3,279,604
Advisor Group Holdings, Inc. reports 6.56% increase in ownership of CHY / Calamos Convertible and High Income Fund

On May 15, 2026 - Advisor Group Holdings, Inc. filed a 13F-HR form disclosing ownership of 301,151 shares of Calamos Convertible and High Income Fund (US:CHY) valued at $3,279,534 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 282,618 shares of Calamos Convertible and High Income Fund. This represents a change in shares of 6.56% during the quarter. The current value of the position is $3,848,710 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 301,151 18,533 6.56 3,280 2.60 0.0028
2026-02-17 2025-12-31 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 282,618 12,891 4.78 3,196 7.32 0.0047
2025-11-14 2025-09-30 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 269,727 -30,748 -10.23 2,979 -9.81 0.0042
2025-09-04 2025-06-30 13F/A-1 CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 300,475 21,804 7.82 3,302 17.34 0.0059
2025-08-13 2025-06-30 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 262,066 -16,605 3,172 0.0037
2025-05-12 2025-03-31 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 278,671 7,715 2.85 2,815 -14.44 0.0063
2025-06-06 2024-12-31 13F/A-1 CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 270,956 -21,138 -7.24 3,290 -5.60 0.0074
2025-02-07 2024-12-31 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 268,923 -23,171 3,212 0.0082
2024-11-13 2024-09-30 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 292,094 -46,691 -13.78 3,485 -7.83 0.0079
2024-08-13 2024-06-30 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 338,785 -43,939 -11.48 3,781 -16.35 0.0089
2024-05-10 2024-03-31 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 382,724 11,483 3.09 4,520 6.13 0.0101
2024-02-12 2023-12-31 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 371,241 -40,202 -9.77 4,258 -7.25 0.0075
2023-11-13 2023-09-30 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 411,443 72,490 21.39 4,592 20.63 0.0068
2023-08-21 2023-06-30 13F/A-1 CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 338,953 24,153 7.67 3,806 10.74 0.0068
2023-08-10 2023-06-30 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 338,953 24,153 3,806 0.0010
2023-05-12 2023-03-31 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 314,800 4,721 1.52 3,438 5.04 0.0065
2023-02-10 2022-12-31 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 310,079 10,634 3.55 3,272 8.27 0.0066
2022-11-14 2022-09-30 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 299,445 390 0.13 3,022 -9.52 0.0069
2022-08-10 2022-06-30 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 299,055 -3,469 -1.15 3,340 -21.69 0.0074
2022-05-04 2022-03-31 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 302,524 8,627 2.94 4,265 -10.30 0.0083
2022-02-03 2021-12-31 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 293,897 -934 -0.32 4,755 3.19 0.0090
2021-11-05 2021-09-30 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 294,831 4,201 1.45 4,608 -2.85 0.0096
2021-08-02 2021-06-30 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 290,630 6,954 2.45 4,743 12.13 0.0103
2021-05-13 2021-03-31 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 283,676 3,979 1.42 4,230 5.88 0.0102
2021-02-10 2020-12-31 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 279,697 -2,667 -0.94 3,995 21.10 0.0107
2020-11-12 2020-09-30 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 282,364 405 0.14 3,299 3.29 0.0099
2020-08-14 2020-06-30 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 281,959 -51,336 -15.40 3,194 8.64 0.0107
2020-05-18 2020-03-31 13F CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 333,295 333,295 2,940 0.0120
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.