Security key
128125101
CALAMOS STRATEGIC TOTAL RETURN FUND - COM SH BEN INT (CSQ)
CUSIP: 128125101
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / COM SH BEN INT
- Total 13F shares
- 183,875
- Total 13F value
- $3,774,661
- Share change
- +2,385
- SEC-reported price per share
- $20.56
- Number of holders
- 12
- Value change
- +$52,715
- Number of buys
- 6
- Number of sells
- 3
Report period
Q2 2026
Institutions
12
Top holders
10
CSQ full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q1 2026
CALAMOS STRATEGIC TOTAL RETURN FUND SEC filings
Broader feeds
Reporting periods
Holder history for CUSIP 128125101
Recent filing periods:
Ownership snapshot
Top reported holders of CSQ - CALAMOS STRATEGIC TOTAL RETURN FUND - COM SH BEN INT (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Apollo Management Holding...
Disclosed value leader
BANK OF AMERICA CORP /DE/
Comparable rows
2/15
Latest evidence
31 Mar 2026
13D/G
3/4/5
13F
Lead comparable stake: 48%
13 rows are not safely comparable across share classes.
13D/G row: Apollo Management Holdings GP, LLC
Showing 1-6 of 15 holder rows.
Quick read
Apollo Management Holdings GP, LLC leads the comparable SEC ownership view at 48%.
2 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Apollo Management Holdings GP, LLC's linked filing trail.
Comparable ownership
Top 2
Apollo Management Holdings GP, LLC
48%
THRIVENT FINANCIAL FOR LUTHERANS
22%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Apollo Management Holdings GP, LLC |
13D/G
3/4/5
10%+ Owner
|
48%
|
—
1,920,000 shares
|
$0 | 31 Mar 2026 |
| THRIVENT FINANCIAL FOR LUTHERANS |
3/4/5
13D/G
10%+ Owner
|
22%
from 13D/G
|
—
720,000 shares
|
— | 06 Sep 2024 |
| Equitable Holdings, Inc. |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
1,600,000 shares
|
— | 24 Aug 2021 |
| NORTHWESTERN MUTUAL LIFE INSURANCE CO |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
1,200,000 shares
|
— | 09 Sep 2024 |
| Voya Financial, Inc. |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
680,000 shares
|
— | 24 May 2022 |
| ARCH CAPITAL GROUP LTD. |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
280,000 shares
|
— | 24 Aug 2021 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
12
Shares
183,875
Rows available
12
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
216
Q2 2026 holders
12
Holder diff
-204
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend