Who owns Calamos Strategic Total Return Fund?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of CSQ from SEC Form 13F filings across 224 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 224 institutions disclosed 38.8M shares of Calamos Strategic Total Return Fund worth $801.1M — about 24.2% of shares outstanding; the largest disclosed holder is BANK OF AMERICA CORP /DE/. Source: SEC Form 13F filings, parsed by EvidInvest.
224
13F holders
$801.1M
value, 2026 filers
24.2%
of shares outstanding (38.8M sh)
21
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of CSQ's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BANK OF AMERICA CORP /DE/ | 4.9M | $100.0M | 0.0% | 3% | +0.2% |
| 2 | MORGAN STANLEY | 4.3M | $88.4M | 0.0% | 2.7% | -1.5% |
| 3 | UBS Group AG | 3.9M | $81.0M | 0.0% | 2.5% | +0.7% |
| 4 | WELLS FARGO & COMPANY/MN | 3.0M | $62.6M | 0.0% | 1.9% | -0.6% |
| 5 | RAYMOND JAMES FINANCIAL INC | 2.4M | $48.4M | 0.0% | 1.5% | +10.8% |
| 6 | ROYAL BANK OF CANADA | 2.2M | $44.5M | 0.0% | 1.3% | +2.1% |
| 7 | Karpus Management, Inc. | 2.1M | $42.2M | 1.2% | 1.3% | +5.5% |
| 8 | LPL Financial LLC | 1.2M | $25.7M | 0.0% | 0.8% | +2.0% |
| 9 | Bensler, LLC | 1.2M | $23.7M | 2.1% | 0.7% | +3.4% |
| 10 | McGowan Group Asset Management, Inc. | 787,259 | $16.2M | 2.0% | 0.5% | -0.9% |
| 11 | Cetera Investment Advisers | 772,014 | $15.9M | 0.0% | 0.5% | -1.4% |
| 12 | Rockefeller Capital Management L.P. | 748,412 | $15.4M | 0.0% | 0.5% | +5.4% |
| 13 | Advisors Asset Management, Inc. | 699,531 | $14.4M | 0.2% | 0.4% | +7.8% |
| 14 | 1607 Capital Partners, LLC | 635,466 | $13.1M | 1.1% | 0.4% | +46.9% |
| 15 | Stratos Wealth Partners, LTD. | 527,617 | $10.8M | 0.1% | 0.3% | +0.3% |
| 16 | &PARTNERS | 501,570 | $10.2M | 0.0% | 0.3% | -9.7% |
| 17 | STIFEL FINANCIAL CORP | 412,706 | $8.5M | 0.0% | 0.3% | +6.2% |
| 18 | OSAIC HOLDINGS, INC. | 369,250 | $7.6M | 0.0% | 0.2% | +11.8% |
| 19 | RIVERNORTH CAPITAL MANAGEMENT, LLC | 351,534 | $7.2M | 0.3% | 0.2% | +103.8% |
| 20 | GUGGENHEIM CAPITAL LLC | 338,003 | $6.9M | 0.0% | 0.2% | +4.1% |
| 21 | TRUIST FINANCIAL CORP | 315,627 | $6.5M | 0.0% | 0.2% | +2.4% |
| 22 | AMERIPRISE FINANCIAL INC | 301,478 | $6.2M | 0.0% | 0.2% | +5.1% |
| 23 | Apollon Wealth Management, LLC | 274,887 | $5.7M | 0.1% | 0.2% | -2.2% |
| 24 | Janney Montgomery Scott LLC | 237,208 | $4.9M | 0.0% | 0.1% | +7.3% |
| 25 | Smith Asset Management Co., LLC | 226,606 | $4.7M | 3.7% | 0.1% | -1.4% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.