CSQNasdaqFiscal year ends October 31
CALAMOS STRATEGIC TOTAL RETURN FUND
$19.95+0.16 (+0.81%)
Close on Oct 19, 2026
- Market cap
- –
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
39M
Shares held, 13F filers
Institutional holders
221
19 new, 12 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Thrivent Financial For Lutherans | 720,000 | 22.20% | 13G (passive) amendment | Sep 6, 2024 |
| The Lincoln National Life Insurance Company | 640,000 | 10.60% | 13G (passive) | Aug 26, 2026 |
| Apollo Management Holdings GP, LLC | 608,000 | 15.20% | 13G (passive) amendment | Jun 18, 2026 |
| BlackRock Portfolio Management LLC | 2,200,000 | 36.40% | 13G (passive) | Aug 31, 2026 |
| AISG GP Ltd. | 1,920,000 | 48.00% | 13G (passive) amendment | Mar 31, 2025 |
| Athene Annuity and Life Company | 1,920,000 | 48.00% | 13G (passive) amendment | Dec 31, 2025 |
| Apollo Capital Management, L.P. | 1,920,000 | 48.00% | 13G (passive) amendment | Mar 31, 2026 |
| Apollo Insurance Solutions Group LP | 1,920,000 | 48.00% | 13G (passive) amendment | Dec 31, 2024 |
| Apollo Life Asset GP, LLC | 1,920,000 | 48.00% | 13G (passive) amendment | Sep 30, 2025 |
| Equitable Holdings, Inc. | 1,200,000 | 19.90% | 13G (passive) | Aug 31, 2026 |
| The Northwestern Mutual Life Insurance Company | – | 37.50% | 13G (passive) | Sep 9, 2024 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of CSQ | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Bank Of America Corp /De/ | 4,865,484 | – | $100.03M | +7,949 | 0.01% |
| Morgan Stanley | 4,298,735 | – | $88.38M | −67,478 | 0.00% |
| UBS Group AG | 3,937,493 | – | $80.95M | +28,995 | 0.01% |
| Wells Fargo & Company/Mn | 3,045,129 | – | $62.61M | −17,612 | 0.01% |
| Raymond James Financial Inc | 2,356,479 | – | $48.45M | +230,339 | 0.01% |
| Royal Bank of Canada | 2,162,971 | – | $44.47M | +44,755 | 0.01% |
| Karpus Management, Inc. | 2,052,204 | – | $42.19M | +107,581 | 1.21% |
| LPL Financial LLC | 1,248,517 | – | $25.67M | +24,445 | 0.01% |
| Bensler, LLC | 1,152,865 | – | $23.70M | +38,166 | 2.10% |
| McGowan Group Asset Management, Inc. | 787,259 | – | $16.19M | −7,438 | 1.97% |
| Cetera Investment Advisers | 772,014 | – | $15.87M | −10,612 | 0.01% |
| Rockefeller Capital Management L.P. | 748,412 | – | $15.39M | +38,235 | 0.02% |
| Advisors Asset Management, Inc. | 699,531 | – | $14.38M | +50,453 | 0.22% |
| 1607 Capital Partners, LLC | 635,466 | – | $13.07M | +202,825 | 1.14% |
| Stratos Wealth Partners, LTD. | 527,617 | – | $10.85M | +1,829 | 0.11% |
| &partners | 501,570 | – | $10.23M | −53,622 | 0.04% |
| Stifel Financial Corp | 412,706 | – | $8.49M | +24,171 | 0.01% |
| Osaic Holdings, Inc. | 369,250 | – | $7.59M | +38,894 | 0.01% |
| Rivernorth Capital Management, LLC | 351,534 | – | $7.23M | +179,071 | 0.34% |
| Guggenheim Capital LLC | 338,003 | – | $6.95M | +13,458 | 0.04% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|
| Q2 2026 | 221 | 39M | 19 / 85 | 49 / 12 | 2M | 1M |
| Q1 2026 | 217 | 39M | 20 / 78 | 50 / 12 | 3M | 3M |
| Q4 2025 | 214 | 39M | 30 / 76 | 48 / 23 | 3M | 2M |
| Q3 2025 | 208 | 38M | 23 / 66 | 49 / 12 | 3M | 3M |
| Q2 2025 | 201 | 38M | 16 / 78 | 55 / 13 | 4M | 1M |
| Q1 2025 | 200 | 34M | 19 / 67 | 54 / 20 | 1M | 1M |
| Q4 2024 | 202 | 34M | 30 / 68 | 48 / 12 | 4M | 1M |
| Q3 2024 | 189 | 33M | 14 / 64 | 49 / 11 | 2M | 1M |
| Q2 2024 | 188 | 33M | 25 / 56 | 55 / 13 | 2M | 9M |
| Q1 2024 | 176 | 39M | 20 / 59 | 48 / 14 | 6M | 1M |
| Q4 2023 | 172 | 35M | 20 / 53 | 51 / 13 | 6M | 1M |
| Q3 2023 | 167 | 30M | 22 / 45 | 48 / 14 | 1M | 1M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of CSQ | Value | % of fund | As of |
|---|---|---|---|---|---|
| RiverNorth Active Income ETF | 35,884 | – | $722.70K | 1.84% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | Latest filing |
|---|---|---|---|
| John S. Koudounis | Vice President | 16,742 | Sep 9, 2025 |
| Walter M. Kelly | Chief Compliance Officer | – | Aug 4, 2025 |
| Thomas E. Herman | VP and CFO | 23,190 | Jan 31, 2025 |
| Thomas P. Kiley III | Vice President | – | Dec 27, 2024 |
| National Life Insurance Co /In/ Lincoln | 10% owner | 640,000 | Sep 3, 2026 |
| MetLife Investment Management, LLC | 10% owner | 0 | Aug 26, 2026 |
| Jeffrey S. Phlegar | – | – | Sep 12, 2025 |
| Hugh Armstrong | – | – | Sep 9, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| MetLife Investment Management, LLC 10% owner | Aug 24, 2026 | Other | −600,000 | $25.00 | $15.00M | 0 |
| Thomas E. Herman VP and CFO | Jan 30, 2025 | Buy | +11,507 | $18.39 | $211.61K | 23,190 |
| Thomas E. Herman VP and CFO | Jan 29, 2025 | Buy | +11,683 | $18.23 | $212.98K | 11,683 |
| Financial For Lutherans Thrivent 10% owner | Sep 6, 2024 | Other | +660,000 | $25.00 | $16.50M | 0 |
| MetLife Investment Management, LLC 10% owner | Sep 6, 2024 | Other | −148,000 | – | – | 0 |
| MetLife Investment Management, LLC 10% owner | Sep 6, 2024 | Other | −160,000 | – | – | 0 |
| MetLife Investment Management, LLC 10% owner | Sep 6, 2024 | Other | −1,044,000 | – | – | 0 |
| MetLife Investment Management, LLC 10% owner | Sep 6, 2024 | Other | −148,000 | – | – | 0 |
| John S. Koudounis Vice President | Dec 6, 2023 | Sale | −9,476 | $14.16 | $134.18K | 912 |
| John S. Koudounis Vice President | Dec 6, 2023 | Sale | −1,731 | $14.18 | $24.55K | 10,388 |
| John S. Koudounis Vice President | Dec 6, 2023 | Sale | −100 | $14.17 | $1.42K | 13,310 |
| John S. Koudounis Vice President | Dec 6, 2023 | Sale | −912 | $14.19 | $12.94K | 0 |
| John S. Koudounis Vice President | Dec 6, 2023 | Sale | −1,191 | $14.17 | $16.88K | 12,119 |
| MetLife Investment Management, LLC 10% owner | Sep 6, 2022 | Other | −652,000 | – | – | 0 |
| Financial For Lutherans Thrivent 10% owner | Sep 6, 2022 | Other | −180,000 | $25.01 | $4.50M | 0 |
| MetLife Investment Management, LLC 10% owner | May 24, 2022 | Buy | +320,000 | $25.00 | $8.00M | 320,000 |
| MetLife Investment Management, LLC 10% owner | Aug 24, 2021 | Buy | +600,000 | $25.00 | $15.00M | 600,000 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +300 | $16.75 | $5.03K | 9,500 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +150 | $16.74 | $2.51K | 9,200 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +100 | $16.75 | $1.68K | 9,050 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +100 | $16.76 | $1.68K | 8,950 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +300 | $16.77 | $5.03K | 8,850 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +150 | $16.76 | $2.51K | 8,550 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +600 | $16.77 | $10.06K | 8,400 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +200 | $16.78 | $3.36K | 7,800 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +200 | $16.78 | $3.36K | 7,600 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +400 | $16.79 | $6.72K | 7,400 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +3,100 | $16.78 | $52.02K | 7,000 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +200 | $16.77 | $3.35K | 3,900 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +500 | $16.79 | $8.40K | 3,700 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +100 | $16.77 | $1.68K | 3,200 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +2,500 | $16.76 | $41.90K | 3,100 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +100 | $16.77 | $1.68K | 600 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +500 | $16.76 | $8.38K | 500 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +35 | $16.78 | $587 | 13,410 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +187 | $16.78 | $3.14K | 13,375 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +2,807 | $16.80 | $47.16K | 13,188 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +615 | $16.79 | $10.33K | 10,381 |
| John S. Koudounis Vice President | Feb 12, 2021 | Buy | +266 | $16.77 | $4.46K | 9,766 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +1,400 | $15.77 | $22.08K | 4,790 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +500 | $15.77 | $7.89K | 3,390 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +200 | $15.78 | $3.16K | 2,890 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +100 | $15.78 | $1.58K | 2,690 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +600 | $15.78 | $9.47K | 2,590 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +100 | $15.77 | $1.58K | 1,990 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +600 | $15.78 | $9.47K | 1,890 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +100 | $15.77 | $1.58K | 1,290 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +95 | $15.77 | $1.50K | 1,190 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +95 | $15.75 | $1.50K | 1,095 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +300 | $15.76 | $4.73K | 1,000 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +700 | $15.75 | $11.03K | 700 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +280 | $15.75 | $4.41K | 5,070 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +285 | $15.76 | $4.49K | 5,355 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +30 | $15.80 | $474 | 15,830 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +319 | $15.80 | $5.04K | 5,974 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +500 | $15.81 | $7.91K | 6,474 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +1,141 | $15.81 | $18.04K | 7,615 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +3,909 | $15.80 | $61.76K | 11,524 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +200 | $15.81 | $3.16K | 11,724 |
| John S. Koudounis Vice President | Dec 18, 2020 | Buy | +2,476 | $15.81 | $39.15K | 14,200 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.