Calamos Strategic Total Return Fund

CSQ

Exchange: Nasdaq
SEC CIK: 0001275214

SEC filings (opens in a new tab)

No open-market purchases or sales by Calamos Strategic Total Return Fund insiders were filed in the last 90 days; 223 institutions reported holding it in 13F filings for Q2 2026, worth $801.0M in total; no superinvestor holds it.

Q3 2025 vs. Q2 2025

How the institutions holding Calamos Strategic Total Return Fund changed between Q2 2025 and Q3 2025.

All holders in Q3 2025 All holders in Q2 2025

13F holders of CSQ: Q2 2025 compared with Q3 2025
Measure	Q2 2025	Of which not filed for Q3 2025	Q3 2025	Change
Holders	202	4	209	+11
Shares	35.3M	87.3K	37.4M	+2.16M (+6.1%)
Value	$644.5M	$1.59M	$721.5M	+$78.5M (+12.2%)

4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (23)

Institutions that held Calamos Strategic Total Return Fund at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to CSQ in Q3 2025
Institution	Shares	Value	% of portfolio
PMG Family Office LLC	156,767	$3.02M	3.38%
Pensionmark Financial Group, LLC	137,800	$2.66M	0.05%
Wolverine Asset Management LLC	92,123	$1.78M	0.03%
Balyasny Asset Management LLC	64,418	$1.24M	0.00%
QTR Family Wealth, LLC	32,301	$623.1K	0.30%
Doliver Advisors, LP	26,247	$506.3K	0.13%
CAPROCK Group, Inc.	19,739	$367.5K	0.01%
Mount Yale Investment Advisors, LLC	18,605	$358.9K	0.03%
Empower Advisory Group, LLC	18,409	$355.1K	0.00%
HRT Financial LP	15,538	$299.0K	0.00%
Walleye Capital LLC	14,595	$281.5K	0.00%
Lowe Brockenbrough & Co Inc	14,505	$279.8K	0.01%
Moseley Investment Management Inc	13,775	$265.7K	0.08%
Ashton Thomas Private Wealth, LLC	11,960	$230.7K	0.01%
Vestmark Advisory Solutions, Inc.	11,000	$212.2K	0.00%
Continuum Advisory, LLC	10,407	$200.8K	0.02%
CX Institutional	4,496	$87.0K	0.00%
Ronald Blue Trust, Inc.	1,298	$25.0K	0.00%
Wealthspire Advisors, LLC	1,154	$22.3K	0.00%
Hilltop National Bank	1,118	$21.6K	0.01%
Quent Capital, LLC	1,027	$19.8K	0.00%
Financial Life Planners	513	$9.90K	0.01%
Ameriflex Group, Inc.	300	$5.79K	0.00%

Sold out (12)

Institutions that held Calamos Strategic Total Return Fund at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of CSQ in Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Arete Wealth Advisors, LLC	34,356	$627.0K
Kovack Advisors, Inc.	30,825	$562.2K
Elequin Capital LP	20,704	$377.6K
Beacon Pointe Advisors, LLC	10,329	$188.4K
Creative Planning	10,250	$187.0K
Trust Co of Vermont	5,289	$96.5K
GHP Investment Advisors, Inc.	3,400	$62.0K
Transce3nd, LLC	707	$12.9K
Beaird Harris Wealth Management, LLC	325	$5.93K
FWL Investment Management, LLC	115	$2.10K
Tower Research Capital LLC (TRC)	24	$438
TSFG, LLC	2	$0

Not filed for Q3 2025 yet (4)

Institutions that held Calamos Strategic Total Return Fund at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CSQ in Q2 2025 that haven't filed for Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Good Life Advisors, LLC	41,287	$753.1K
EP Wealth Advisors, LLC	19,148	$349.3K
TFG Advisers LLC	14,690	$267.9K
Atria Wealth Solutions, Inc.	12,174	$222.1K