Calamos Strategic Total Return Fund
Sponsor: Calamos · Inception Apr 1, 2004 · Pays monthly
Market priceShare price
$19.79
-1.49% ($-0.30)
NAVAsset value per share
$22.18
as of Oct 14, 2026 · Nasdaq NAV symbol
Premium / discountPrice vs. assets
10.78% discount *
Indicative: latest price vs latest reported NAV
Distribution rate (price)Payout rate
8.19%
regular, annualised · on NAV 7.30%
Expense ratioAnnual cost
Not reported
no tagged fee table
LeverageBorrowing
Not reported
senior securities not tagged
Quote status: Market closed — last regular-session price · last trade Oct 16, 2026, 4:00 PM EDT (exchange time, ET) · retrieved Oct 16, 2026, 5:45 PM EDTRegular-session prices; extended-hours quotes are not displayed.
Full portfolio as filed on SEC Form N-PORT for the month ending Jul 31, 2026, filed Sep 29, 2026. 820 positions; weights are percent of net assets as reported. Weights sum to 100.0% — leverage, cash, derivatives and short positions mean totals need not equal 100%. This is a historical report, not a live portfolio.
Asset class
| Asset class | % net assets | Value |
|---|---|---|
| Equity (common) | 70.83% | $3.4B |
| Equity (preferred) | 4.35% | $212M |
| Debt | 22.06% | $1.1B |
| Loans | 2.62% | $128M |
| Derivative (equity) | 0.13% | $6.3M |
| ABS (other) | 0.02% | $945K |
Country (top 12)
| Country (top 12) | % net assets | Value |
|---|---|---|
| United States | 94.98% | $4.6B |
| Ireland | 0.94% | $45.9M |
| Cayman Islands | 0.85% | $41.2M |
| Israel | 0.62% | $30.1M |
| Canada | 0.40% | $19.4M |
| Switzerland | 0.33% | $16.3M |
| Finland | 0.29% | $13.9M |
| Japan | 0.28% | $13.7M |
| Liberia | 0.24% | $11.9M |
| Bermuda | 0.23% | $11.1M |
| Australia | 0.21% | $10.3M |
| Netherlands | 0.15% | $7.4M |
Region
| Region | % net assets | Value |
|---|---|---|
| United States | 94.98% | $4.6B |
| Developed Europe | 2.00% | $97.3M |
| Offshore domiciles | 1.32% | $64.2M |
| Middle East | 0.62% | $30.1M |
| Canada | 0.40% | $19.4M |
| Japan | 0.28% | $13.7M |
| Australia & New Zealand | 0.21% | $10.3M |
| Other | 0.11% | $5.3M |
| Asia ex-Japan | 0.08% | $4M |
Issuer type
| Issuer type | % net assets | Value |
|---|---|---|
| Corporate | 96.71% | $4.7B |
| Other | 1.74% | $84.9M |
| Registered fund | 1.52% | $73.9M |
| U.S. government agency | 0.03% | $1.3M |
Fair-value level
| Fair-value level | % net assets | Value |
|---|---|---|
| Level 1 | 74.88% | $3.6B |
| Level 2 | 25.12% | $1.2B |
Level 3 = valued with unobservable inputs (typically private or illiquid).
Long / short
| Long / short | % net assets | Value |
|---|---|---|
| Long | 99.87% | $4.9B |
| N/A | 0.13% | $6.3M |
All allocation percentages use net assets as the denominator (N-PORT convention). A position's share of invested assets may differ from its share of the whole fund including cash and leverage.
| Security | Identifier | Type | Issuer | Country | Balance | Units | Value (USD) | Weight | FV level |
|---|---|---|---|---|---|---|---|---|---|
| BASF COATINGS | — | Loan | CORP | United States | 665,000 | principal | $669K | 0.01% | 2 |
| Ineos US Finance LLC | XAG4768PAN15 | Loan | CORP | United States | 702,078 | principal | $667K | 0.01% | 2 |
| KNIFE RIVER HOLDCO | 49889LAG1 | Loan | CORP | United States | 656,704 | principal | $657K | 0.01% | 2 |
| ARCOSA INC | 039653AA8 | Debt | CORP | United States | 670,000 | principal | $656K | 0.01% | 2 |
| VIASAT INC | 92552VAR1 | Debt | CORP | United States | 650,000 | principal | $651K | 0.01% | 2 |
| NCL CORPORATION LTD | 62886HBZ3 | Debt | CORP | Bermuda | 681,000 | principal | $648K | 0.01% | 2 |
| DANA INC | 235825AJ5 | Debt | CORP | United States | 647,000 | principal | $646K | 0.01% | 2 |
| VENTURE GLOBAL LNG INC | 92332YAE1 | Debt | CORP | United States | 635,000 | principal | $646K | 0.01% | 2 |
| VENTURE GLOBAL LNG INC | 92332YAC5 | Debt | CORP | United States | 600,000 | principal | $643K | 0.01% | 2 |
| CHS/COMMUNITY HEALTH SYS | 12543DBJ8 | Debt | CORP | United States | 663,000 | principal | $640K | 0.01% | 2 |
| VENTURE GLOBAL LNG INC | 92332YAD3 | Debt | CORP | United States | 600,000 | principal | $639K | 0.01% | 2 |
| DELUXE CORP | 248019AW1 | Debt | CORP | United States | 615,000 | principal | $637K | 0.01% | 2 |
| STONEPEAK MOTION/FINCO | 86185LAA7 | Debt | CORP | XX | 640,000 | principal | $637K | 0.01% | 2 |
| BOMBARDIER INC | 097751CA7 | Debt | CORP | Canada | 600,000 | principal | $633K | 0.01% | 2 |
| SYNERGY INFRASTRUCTURE H | 87191JAA2 | Debt | CORP | United States | 605,000 | principal | $633K | 0.01% | 2 |
| TREEHOUSE FOODS INC | 89468XAX3 | Loan | CORP | United States | 630,000 | principal | $633K | 0.01% | 2 |
| NEPTUNE BIDCO US INC | 640695AA0 | Debt | CORP | United States | 620,000 | principal | $632K | 0.01% | 2 |
| NEWELL BRANDS INC | 651229BG0 | Debt | CORP | United States | 605,000 | principal | $632K | 0.01% | 2 |
| BRANDYWINE OPER PARTNERS | 105340AS2 | Debt | OTHER | United States | 600,000 | principal | $631K | 0.01% | 2 |
| GENESIS ENERGY LP/FIN | 37185LAR3 | Debt | CORP | United States | 605,000 | principal | $630K | 0.01% | 2 |
| VISTRA CORP | 92840MAC6 | Debt | CORP | United States | 625,000 | principal | $629K | 0.01% | 2 |
| GEN DIGITAL INC | 668771AK4 | Debt | CORP | United States | 625,000 | principal | $626K | 0.01% | 2 |
| NEWMARK GROUP INC | 65158NAD4 | Debt | CORP | United States | 600,000 | principal | $626K | 0.01% | 2 |
| ADIENT GLOBAL HOLDINGS | 00687YAD7 | Debt | CORP | Jersey | 605,000 | principal | $625K | 0.01% | 2 |
| ARCOSA INC | 039653AC4 | Debt | CORP | United States | 605,000 | principal | $625K | 0.01% | 2 |
| HERC HOLDINGS INC | 42704LAG9 | Debt | CORP | United States | 605,000 | principal | $625K | 0.01% | 2 |
| HERC HOLDINGS INC | 42704LAF1 | Debt | CORP | United States | 605,000 | principal | $624K | 0.01% | 2 |
| CLEAR CHANNEL OUTDOOR HO | 18453HAF3 | Debt | CORP | United States | 600,000 | principal | $624K | 0.01% | 2 |
| CLARIOS GLOBAL LP/US FIN | 18060TAE5 | Debt | CORP | XX | 615,000 | principal | $624K | 0.01% | 2 |
| CUSHMAN & WAKEFIELD US | 23166MAC7 | Debt | CORP | United States | 595,000 | principal | $623K | 0.01% | 2 |
| ARCHES BUYER INC | 039524AF0 | Debt | CORP | United States | 620,000 | principal | $623K | 0.01% | 2 |
| VFH PARENT / VALOR CO | 91824YAA6 | Debt | CORP | United States | 600,000 | principal | $623K | 0.01% | 2 |
| NEWELL BRANDS INC | 651229BF2 | Debt | CORP | United States | 615,000 | principal | $622K | 0.01% | 2 |
| ARES FINANCE CO | 04018VAA1 | Debt | CORP | United States | 620,000 | principal | $621K | 0.01% | 2 |
| MAGNOLIA OIL GAS/MAG FIN | 559665AC8 | Debt | CORP | United States | 620,000 | principal | $621K | 0.01% | 2 |
| BELL CANADA | 0778FPAQ2 | Debt | CORP | Canada | 615,000 | principal | $620K | 0.01% | 2 |
| OSAIC HOLDINGS INC | 00791GAC1 | Debt | CORP | United States | 609,000 | principal | $618K | 0.01% | 2 |
| QTS Thunder Managing Issuer LLC | — | Loan | CORP | United States | 625,000 | principal | $617K | 0.01% | 2 |
| WILLIAM CARTER | 96926JAG2 | Debt | CORP | United States | 600,000 | principal | $616K | 0.01% | 2 |
| TRANSDIGM INC | 89364MCG7 | Loan | CORP | United States | 613,463 | principal | $615K | 0.01% | 2 |
| ACADEMY LTD | 00401YAB6 | Debt | CORP | United States | 620,000 | principal | $614K | 0.01% | 2 |
| SIRIUS XM RADIO LLC | 82966BAA3 | Debt | CORP | United States | 625,000 | principal | $614K | 0.01% | 2 |
| QNITY ELECTRONICS INC | 74743LAB6 | Debt | CORP | United States | 610,000 | principal | $613K | 0.01% | 2 |
| AMNEAL PHARMACEUTICALS L | 03168LAA3 | Debt | CORP | United States | 595,000 | principal | $613K | 0.01% | 2 |
| BLOCK INC | 852234AT0 | Debt | CORP | United States | 615,000 | principal | $612K | 0.01% | 2 |
| OPEN TEXT CORP | 683715AF3 | Debt | CORP | Canada | 600,000 | principal | $612K | 0.01% | 2 |
| NEWELL BRANDS INC | 651229BE5 | Debt | CORP | United States | 605,000 | principal | $612K | 0.01% | 2 |
| MPH ACQUISITION HOLDINGS | 553283AE2 | Debt | CORP | United States | 1,015,175 | principal | $612K | 0.01% | 2 |
| BRINK'S CO/THE | 109696AD6 | Debt | CORP | United States | 600,000 | principal | $612K | 0.01% | 2 |
| HERC HOLDINGS INC | 42704LAE4 | Debt | CORP | United States | 600,000 | principal | $611K | 0.01% | 2 |
| ROCKET COS INC | 77311WAA9 | Debt | CORP | United States | 605,000 | principal | $610K | 0.01% | 2 |
| Cincinnati Bell Inc | 17187MAU4 | Loan | CORP | United States | 609,141 | principal | $609K | 0.01% | 2 |
| Avis Budget Car Rental LLC | 05377JAU6 | Loan | CORP | United States | 613,800 | principal | $609K | 0.01% | 2 |
| CHURCHILL DOWNS INC | 171484AJ7 | Debt | CORP | United States | 600,000 | principal | $609K | 0.01% | 2 |
| VOYAGER PARENT LLC | 92921EAA0 | Debt | CORP | United States | 572,000 | principal | $608K | 0.01% | 2 |
| ENERSYS | 29275YAF9 | Debt | CORP | United States | 600,000 | principal | $608K | 0.01% | 2 |
| FORESTAR GROUP INC | 346232AG6 | Debt | CORP | United States | 605,000 | principal | $608K | 0.01% | 2 |
| Chinos Intermediate Holdings A Inc | 16961YAB4 | Loan | CORP | United States | 728,900 | principal | $606K | 0.01% | 2 |
| CHEMOURS CO | 163851AL2 | Debt | CORP | United States | 622,000 | principal | $606K | 0.01% | 2 |
| GGAM FINANCE LTD | 36170JAE6 | Debt | CORP | Cayman Islands | 605,000 | principal | $605K | 0.01% | 2 |
| ASHTON WOODS USA/FINANCE | 045086AR6 | Debt | CORP | United States | 605,000 | principal | $605K | 0.01% | 2 |
| UNIVISION COMMUNICATIONS | 914906AZ5 | Debt | CORP | United States | 605,000 | principal | $604K | 0.01% | 2 |
| VENTURE GLOBAL LNG INC | 92332YAG6 | Debt | CORP | United States | 620,000 | principal | $604K | 0.01% | 2 |
| ONEMAIN FINANCE CORP | 682691AJ9 | Debt | CORP | United States | 605,000 | principal | $604K | 0.01% | 2 |
| PetSmart Inc | 71677HAN5 | Loan | CORP | United States | 598,500 | principal | $601K | 0.01% | 2 |
| Boots Group Bidco Ltd | 09947PAB7 | Loan | CORP | United States | 597,000 | principal | $600K | 0.01% | 2 |
| GRAY MEDIA INC | 389375AP1 | Debt | CORP | United States | 605,000 | principal | $599K | 0.01% | 2 |
| PATRICK INDUSTRIES INC | 703343AH6 | Debt | CORP | United States | 605,000 | principal | $598K | 0.01% | 2 |
| AMYNTA AGENCY/WARRANTY | 03238AAA3 | Debt | CORP | United States | 610,000 | principal | $597K | 0.01% | 2 |
| UNITED NATURAL FOODS INC | 91116KAE5 | Loan | CORP | United States | 588,738 | principal | $595K | 0.01% | 2 |
| CHURCHILL DOWNS INC | 12511VAA6 | Debt | CORP | United States | 596,000 | principal | $595K | 0.01% | 2 |
| NCL CORPORATION LTD | 62886HBR1 | Debt | CORP | Bermuda | 605,000 | principal | $594K | 0.01% | 2 |
| LITHIA MOTORS INC | 536797AJ2 | Debt | CORP | United States | 600,000 | principal | $593K | 0.01% | 2 |
| GRAHAM HOLDINGS CO | 384637AC8 | Debt | CORP | United States | 605,000 | principal | $593K | 0.01% | 2 |
| CLOUD SOFTWARE GRP LLC | 18912UAC6 | Debt | CORP | United States | 625,000 | principal | $592K | 0.01% | 2 |
| ENCOMPASS HEALTH CORP | 29261AAB6 | Debt | CORP | United States | 600,000 | principal | $587K | 0.01% | 2 |
| WELLS FARGO & COMPANY | 95002YAA1 | Debt | CORP | United States | 560,000 | principal | $585K | 0.01% | 2 |
| NCL CORPORATION LTD | 62886HBY6 | Debt | CORP | Bermuda | 610,000 | principal | $584K | 0.01% | 2 |
| PPL CAPITAL FUNDING INC | 69352PAC7 | Debt | CORP | United States | 591,000 | principal | $584K | 0.01% | 2 |
| INEOS FINANCE PLC | XAG4768PAU57 | Loan | CORP | United States | 625,000 | principal | $581K | 0.01% | 2 |
| FERTITTA ENTERTAINMENT | 31556TAA7 | Debt | CORP | United States | 596,000 | principal | $580K | 0.01% | 2 |
| Clear Channel Outdoor Holdings Inc | 18452RAF2 | Loan | CORP | United States | 575,870 | principal | $578K | 0.01% | 2 |
| SV RNO PROPERTY OWNER 1 | 78488XAA2 | Debt | CORP | United States | 620,000 | principal | $577K | 0.01% | 2 |
| BATH & BODY WORKS INC | 501797AL8 | Debt | CORP | United States | 570,000 | principal | $577K | 0.01% | 2 |
| WR GRACE HOLDING LLC | 92943GAF8 | Debt | CORP | United States | 605,000 | principal | $576K | 0.01% | 2 |
| ENERGIZER HOLDINGS INC | 29272WAG4 | Debt | CORP | United States | 605,000 | principal | $575K | 0.01% | 2 |
| CAPITAL ONE FINANCIAL CO | 14040HCF0 | Debt | CORP | United States | 573,000 | principal | $572K | 0.01% | 2 |
| STONEPEAK MOTION FINCO LLC | — | Loan | CORP | United Kingdom | 570,000 | principal | $571K | 0.01% | 2 |
| FAIR ISAAC CORP | 303250AF1 | Debt | CORP | United States | 586,000 | principal | $569K | 0.01% | 2 |
| TIME WARNER CABLE LLC | 88732JAJ7 | Debt | CORP | United States | 595,000 | principal | $566K | 0.01% | 2 |
| GOODYEAR TIRE & RUBBER | 382550BR1 | Debt | CORP | United States | 635,000 | principal | $565K | 0.01% | 2 |
| LIBERTY MUTUAL GROUP INC | 53079EBM5 | Debt | CORP | United States | 567,000 | principal | $564K | 0.01% | 2 |
| ROGERS COMMUNICATIONS IN | 775109DH1 | Debt | CORP | Canada | 561,000 | principal | $564K | 0.01% | 2 |
| Cloud Software Group Inc | 88632NBL3 | Loan | CORP | United States | 625,000 | principal | $562K | 0.01% | 2 |
| ADVANCE AUTO PARTS | 00751YAK2 | Debt | CORP | United States | 538,000 | principal | $552K | 0.01% | 2 |
| JELDWEN HOLDING | 47580PAA1 | Debt | CORP | United States | 900,000 | principal | $550K | 0.01% | 2 |
| UWM HOLDINGS LLC | 903522AB6 | Debt | CORP | United States | 605,000 | principal | $541K | 0.01% | 2 |
| SCRIPPS ESCROW II INC | 81105DAA3 | Debt | CORP | United States | 591,000 | principal | $540K | 0.01% | 2 |
| BUCKEYE PARTNERS LP | 118230AM3 | Debt | CORP | United States | 600,000 | principal | $537K | 0.01% | 2 |
| DISH DBS CORP | 25470XBD6 | Debt | CORP | United States | 588,000 | principal | $533K | 0.01% | 2 |
| EW SCRIPPS CO | 811054AH8 | Debt | CORP | United States | 605,000 | principal | $529K | 0.01% | 2 |
| GRAPHIC PACKAGING INTERN | 38869AAC1 | Debt | CORP | United States | 551,000 | principal | $523K | 0.01% | 2 |
| CCO HLDGS LLC/CAP CORP | 1248EPCQ4 | Debt | CORP | United States | 596,000 | principal | $521K | 0.01% | 2 |
| GENERAL MOTORS CO | 37045VAJ9 | Debt | CORP | United States | 600,000 | principal | $513K | 0.01% | 2 |
| ZI TECH LLC/ZI FIN CORP | 98981BAA0 | Debt | CORP | United States | 592,000 | principal | $494K | 0.01% | 2 |
| GROUP 1 AUTOMOTIVE INC | 398905AN9 | Debt | CORP | United States | 511,000 | principal | $493K | 0.01% | 2 |
| TRANSCANADA PIPELINES | 89352HBL2 | Debt | CORP | Canada | 475,000 | principal | $475K | 0.01% | 2 |
| TIME WARNER CABLE LLC | 88732JAN8 | Debt | CORP | United States | 480,000 | principal | $475K | 0.01% | 2 |
| WOLFSPEED INC | 977852AS1 | Debt | CORP | United States | 548,674 | principal | $471K | 0.01% | 2 |
| DIRECTV FIN LLC/COINC | 25461LAD4 | Debt | CORP | United States | 450,000 | principal | $471K | 0.01% | 2 |
| CHARLOTTE BUYER INC | 160924AA4 | Debt | CORP | United States | 465,000 | principal | $470K | 0.01% | 2 |
| DISH DBS CORP | 25470XBF1 | Debt | CORP | United States | 485,000 | principal | $468K | 0.01% | 2 |
| BOMBARDIER INC | 097751CC3 | Debt | CORP | Canada | 450,000 | principal | $465K | 0.01% | 2 |
| TRANSDIGM INC | 893647BT3 | Debt | CORP | United States | 450,000 | principal | $464K | 0.01% | 2 |
| RR DONNELLEY & SONS CO | 257867BK6 | Debt | CORP | United States | 455,000 | principal | $464K | 0.01% | 2 |
| DIRECTV FINANCING LLC | 254945AA6 | Debt | CORP | United States | 454,000 | principal | $463K | 0.01% | 2 |
| FIRST CITIZENS BANCSHARE | 31959XAA1 | Debt | CORP | United States | 460,000 | principal | $463K | 0.01% | 2 |
| BUCKEYE PARTNERS LP | 118230AV3 | Debt | CORP | United States | 452,000 | principal | $463K | 0.01% | 2 |
| WILLIAMS SCOTSMAN INC | 96949VAM5 | Debt | CORP | United States | 450,000 | principal | $458K | 0.01% | 2 |
| DOMINION ENERGY INC | 25746UDV8 | Debt | CORP | United States | 450,000 | principal | $454K | 0.01% | 2 |
| CITIZENS FINANCIAL GROUP | 174610BD6 | Debt | CORP | United States | 450,000 | principal | $449K | 0.01% | 2 |
| GRAY MEDIA INC | 389286AA3 | Debt | CORP | United States | 600,000 | principal | $444K | 0.01% | 2 |
| FAIR ISAAC CORP | 303250AG9 | Debt | CORP | United States | 454,000 | principal | $440K | 0.01% | 2 |
| DISCOVERY HOLDINGS INC | 254948AR3 | Debt | CORP | United States | 615,000 | principal | $430K | 0.01% | 2 |
| DIRECTV FINANCING LLC | 25460HAJ1 | Loan | CORP | United States | 413,049 | principal | $416K | 0.01% | 2 |
| KOHL'S CORPORATION | 500255AV6 | Debt | CORP | United States | 603,000 | principal | $416K | 0.01% | 2 |
| TELEPHONE & DATA SYS | 879433761 | Preferred | CORP | United States | 21,134 | shares | $404K | 0.01% | 1 |
| ENBRIDGE INC | 29250NBC8 | Debt | CORP | Canada | 395,000 | principal | $395K | 0.01% | 2 |
| Audacy Capital Corp | 05070XAB7 | Loan | CORP | United States | 456,384 | principal | $393K | 0.01% | 2 |
| BOMBARDIER INC | 097751CB5 | Debt | CORP | Canada | 376,000 | principal | $393K | 0.01% | 2 |
| WHIRLPOOL CORP | 963320BF2 | Debt | CORP | United States | 385,000 | principal | $383K | 0.01% | 2 |
| EVEREST REINSURANCE HLDG | 299808AE5 | Debt | CORP | United States | 405,000 | principal | $383K | 0.01% | 2 |
| ENERGY TRANSFER LP | 29273VBM1 | Debt | CORP | United States | 385,000 | principal | $380K | 0.01% | 2 |
| ENERGY TRANSFER LP | 29273VBN9 | Debt | CORP | United States | 385,000 | principal | $380K | 0.01% | 2 |
| MPH ACQUISITION HOLDINGS | 553283AG7 | Debt | CORP | United States | 490,730 | principal | $378K | 0.01% | 2 |
| WHIRLPOOL CORP | 963320BG0 | Debt | CORP | United States | 385,000 | principal | $365K | 0.01% | 2 |
| T-MOBILE USA INC | 87264A105 | Preferred | CORP | United States | 15,775 | shares | $364K | 0.01% | 1 |
| Mobility Global Inc | 60744M106 | Equity | CORP | United States | 17,757 | shares | $362K | 0.01% | 1 |
| HUNTINGTON BANCSHARES | 446150AV6 | Debt | CORP | United States | 350,000 | principal | $345K | 0.01% | 2 |
| AXIS SPECIALTY FINANCE | 05463HAC5 | Debt | CORP | United States | 350,000 | principal | $343K | 0.01% | 2 |
| VISTRA CORP | 92840MAB8 | Debt | CORP | United States | 340,000 | principal | $342K | 0.01% | 2 |
| Cheniere Energy Partners LP | 16411Q101 | Equity | CORP | United States | 5,050 | shares | $333K | 0.01% | 1 |
| BANK OF AMERICA CORP | 06055HAH6 | Debt | CORP | United States | 325,000 | principal | $332K | 0.01% | 2 |
| OAK-EAGLE ACQUIRECO INC | 67124CAB9 | Debt | CORP | United States | 310,000 | principal | $326K | 0.01% | 2 |
| CITIGROUP INC | 172967QK0 | Debt | CORP | United States | 325,000 | principal | $324K | 0.01% | 2 |
| M/I HOMES INC | 55305BAS0 | Debt | CORP | United States | 325,000 | principal | $322K | 0.01% | 2 |
| CITIZENS FINANCIAL GROUP | 174610BL8 | Debt | CORP | United States | 325,000 | principal | $322K | 0.01% | 2 |
| US BANCORP | 902973AZ9 | Debt | CORP | United States | 320,000 | principal | $319K | 0.01% | 2 |
| KEYCORP | 493267AK4 | Debt | CORP | United States | 320,000 | principal | $319K | 0.01% | 2 |
| VIKING CRUISES LTD | 92676XAG2 | Debt | CORP | Bermuda | 300,000 | principal | $314K | 0.01% | 2 |
| STONEX ESCROW ISSUER LLC | 86189AAA7 | Debt | CORP | United States | 309,000 | principal | $314K | 0.01% | 2 |
| ADVANCE AUTO PARTS | 00751YAL0 | Debt | CORP | United States | 303,000 | principal | $313K | 0.01% | 2 |
| SYNERGY INFRASTRUCTURE H | 87191JAB0 | Debt | CORP | United States | 310,000 | principal | $313K | 0.01% | 2 |
| COLUMBUS MCKINNON CORP | 199333AK1 | Debt | CORP | United States | 310,000 | principal | $313K | 0.01% | 2 |
| PRESTIGE BRANDS INC | 74112BAN5 | Debt | CORP | United States | 310,000 | principal | $311K | 0.01% | 2 |
| CHARLOTTE BUYER INC | 12568YAJ3 | Loan | CORP | United States | 310,000 | principal | $311K | 0.01% | 2 |
| BOMBARDIER INC | 097751CD1 | Debt | CORP | Canada | 300,000 | principal | $309K | 0.01% | 2 |
| LEVEL 3 FINANCING INC | 527298CN1 | Debt | CORP | United States | 303,000 | principal | $309K | 0.01% | 2 |
| VENTURE GLOBAL PLAQUE | 922966AE6 | Debt | CORP | United States | 303,000 | principal | $308K | 0.01% | 2 |
| STANDARD BUILDING SOLUTI | 853191AA2 | Debt | CORP | United States | 305,000 | principal | $306K | 0.01% | 2 |
| UNITED AIR 2019-2 B PTT | 90932KAA7 | Debt | CORP | United States | 314,058 | principal | $306K | 0.01% | 2 |
| GENERAL MOTORS FINL CO | 37045XDB9 | Debt | CORP | United States | 310,000 | principal | $305K | 0.01% | 2 |
| VENTURE GLOBAL LNG INC | 92332YAH4 | Debt | CORP | United States | 310,000 | principal | $304K | 0.01% | 2 |
| TRANSDIGM INC | 893647BV8 | Debt | CORP | United States | 298,000 | principal | $303K | 0.01% | 2 |
| ENBRIDGE INC | 29250NBN4 | Debt | CORP | Canada | 296,000 | principal | $302K | 0.01% | 2 |
| QVC INC | 747262AW3 | Debt | CORP | United States | 600,000 | principal | $301K | 0.01% | 2 |
| BLOCK INC | 852234AU7 | Debt | CORP | United States | 302,000 | principal | $300K | 0.01% | 2 |
| WR GRACE HOLDING LLC | 92943GAH4 | Debt | CORP | United States | 310,000 | principal | $298K | 0.01% | 2 |
| ENCOMPASS HEALTH CORP | 29261AAA8 | Debt | CORP | United States | 300,000 | principal | $297K | 0.01% | 2 |
| TRUIST FINANCIAL CORP | 89832QAD1 | Debt | CORP | United States | 295,000 | principal | $295K | 0.01% | 2 |
| T-MOBILE USA INC | 87264A204 | Preferred | CORP | United States | 13,961 | shares | $285K | 0.01% | 1 |
| OPEN TEXT INC | 683720AA4 | Debt | CORP | United States | 305,000 | principal | $282K | 0.01% | 2 |
| TWILIO INC | 90138FAD4 | Debt | CORP | United States | 298,000 | principal | $279K | 0.01% | 2 |
| CLARITEV CORP | 62548MAA8 | Debt | CORP | United States | 461,424 | principal | $276K | 0.01% | 2 |
| DISCOVERY HOLDINGS INC | 254948AQ5 | Debt | CORP | United States | 310,000 | principal | $276K | 0.01% | 2 |
| CAPITAL ONE FINANCIAL CO | 14040HDK8 | Debt | CORP | United States | 275,000 | principal | $274K | 0.01% | 2 |
| BP CAPITAL MARKETS PLC | 05565QDV7 | Debt | CORP | United Kingdom | 280,000 | principal | $274K | 0.01% | 2 |
| IHEARTCOMMUNICATIONS INC | 45174HBM8 | Debt | CORP | United States | 310,000 | principal | $272K | 0.01% | 2 |
| BANK OF AMERICA CORP | 06055HAB9 | Debt | CORP | United States | 270,000 | principal | $272K | 0.01% | 2 |
| FARM CREDIT BK OF TEXAS | 30767EAE9 | Debt | USGA | United States | 250,000 | principal | $260K | 0.01% | 2 |
| COMPEER FINANCIAL ACA | 20453QAC6 | Debt | CORP | United States | 250,000 | principal | $256K | 0.01% | 2 |
| LAND O'LAKES INC | 514666AN6 | Debt | CORP | United States | 290,000 | principal | $251K | 0.01% | 2 |
| LOCKTON INC | 54007RAK6 | Loan | CORP | United States | 250,000 | principal | $250K | 0.01% | 2 |
| TELEPHONE & DATA SYS | 879433787 | Preferred | CORP | United States | 11,953 | shares | $245K | 0.01% | 1 |
| GUITAR CENTER 3L NOTES | — | Debt | CORP | United States | 811,387 | principal | $243K | 0.00% | 2 |
| ALGONQUIN PWR & UTILITY | 015857AH8 | Debt | CORP | Canada | 245,000 | principal | $243K | 0.00% | 2 |
| CSC HOLDINGS LLC | 126307BD8 | Debt | CORP | United States | 1,110,000 | principal | $238K | 0.00% | 2 |
| MERCER INTL INC | 588056BC4 | Debt | CORP | United States | 530,000 | principal | $237K | 0.00% | 2 |
| NORTHERN TRUST CORP | 665859AQ7 | Debt | CORP | United States | 230,000 | principal | $230K | 0.00% | 2 |
| EMBECTA CORP | 29082KAB1 | Debt | CORP | United States | 298,000 | principal | $229K | 0.00% | 2 |
| CMS ENERGY CORP | 125896BU3 | Debt | CORP | United States | 235,000 | principal | $229K | 0.00% | 2 |
| PARTNERRE FINANCE B LLC | 70213BAC5 | Debt | CORP | United States | 237,000 | principal | $226K | 0.00% | 2 |
| NATIONAL RURAL UTIL COOP | 637432PB5 | Debt | CORP | United States | 218,000 | principal | $225K | 0.00% | 2 |
| DELTA AIR LINES/SKYMILES | 830867AB3 | Debt | CORP | XX | 221,250 | principal | $221K | 0.00% | 2 |
| QWEST CORP | 74913G865 | Preferred | CORP | United States | 12,750 | shares | $209K | 0.00% | 1 |
| HUNTINGTON BANCSHARES | 446150AT1 | Debt | CORP | United States | 210,000 | principal | $209K | 0.00% | 2 |
| ALLIANZ SE | 018820AD2 | Debt | CORP | Germany | 200,000 | principal | $198K | 0.00% | 2 |
| CNO FINANCIAL GROUP INC | 12621E301 | Preferred | CORP | United States | 11,953 | shares | $197K | 0.00% | 1 |
| AFFILIATED MANAGERS GROU | 008252850 | Preferred | CORP | United States | 9,250 | shares | $187K | 0.00% | 1 |
| COREWEAVE FINANCING DDTL V LLC | — | Loan | CORP | United States | 185,000 | principal | $186K | 0.00% | 2 |
| JETBLUE 2019-1 CLASS B | 477165AA2 | Debt | CORP | United States | 178,982 | principal | $175K | 0.00% | 2 |
| SCRIPPS ESCROW II INC | 81105DAB1 | Debt | CORP | United States | 295,000 | principal | $173K | 0.00% | 2 |
| CITIGROUP INC | 17327CAV5 | Debt | CORP | United States | 170,000 | principal | $172K | 0.00% | 2 |
| WINTRUST FINANCIAL CORP | 97650W702 | Preferred | CORP | United States | 6,400 | shares | $168K | 0.00% | 1 |
| DOMINION ENERGY INC | 25746UDT3 | Debt | CORP | United States | 162,000 | principal | $166K | 0.00% | 2 |
| AMERICAN EXPRESS CO | 025816CH0 | Debt | CORP | United States | 165,000 | principal | $165K | 0.00% | 2 |
| CITIGROUP INC | 172967QJ3 | Debt | CORP | United States | 164,000 | principal | $165K | 0.00% | 2 |
| STATE STREET CORP | 857477CM3 | Debt | CORP | United States | 160,000 | principal | $165K | 0.00% | 2 |
| NEXTERA ENERGY CAPITAL | 65339KDB3 | Debt | CORP | United States | 160,000 | principal | $164K | 0.00% | 2 |
| BANK OF NY MELLON CORP | 064058AW0 | Debt | CORP | United States | 165,000 | principal | $164K | 0.00% | 2 |
| TRUIST FINANCIAL CORP | 89832QAK5 | Debt | CORP | United States | 165,000 | principal | $163K | 0.00% | 2 |
| BATH & BODY WORKS INC | 501797AR5 | Debt | CORP | United States | 161,000 | principal | $163K | 0.00% | 2 |
| ENERGY TRANSFER LP | 29273VAX8 | Debt | CORP | United States | 155,000 | principal | $163K | 0.00% | 2 |
| FORD MOTOR COMPANY | 345370845 | Preferred | CORP | United States | 7,860 | shares | $160K | 0.00% | 1 |
| PHILLIPS 66 CO | 718547BA9 | Debt | CORP | United States | 160,000 | principal | $159K | 0.00% | 2 |
| CITIGROUP INC | 172967PJ4 | Debt | CORP | United States | 155,000 | principal | $158K | 0.00% | 2 |
| NEXTERA ENERGY CAPITAL | 65339KCB4 | Debt | CORP | United States | 160,000 | principal | $158K | 0.00% | 2 |
| UMB FINANCIAL CORP | 902788405 | Preferred | CORP | United States | 5,900 | shares | $156K | 0.00% | 1 |
| CITIGROUP INC | 172967PE5 | Debt | CORP | United States | 150,000 | principal | $155K | 0.00% | 2 |
| GENERAL MOTORS FINL CO | 37045XCM6 | Debt | CORP | United States | 155,000 | principal | $155K | 0.00% | 2 |
| ROGERS COMMUNICATIONS IN | 775109BS9 | Debt | CORP | Canada | 155,000 | principal | $154K | 0.00% | 2 |
| ANNALY CAPITAL MGMT | 035710870 | Preferred | OTHER | United States | 5,970 | shares | $154K | 0.00% | 1 |
| ARCH CAPITAL GROUP LTD | 03939A404 | Preferred | CORP | Bermuda | 9,294 | shares | $153K | 0.00% | 1 |
| GOLDMAN SACHS GROUP INC | 38141GC28 | Debt | CORP | United States | 150,000 | principal | $152K | 0.00% | 2 |
| COREBRIDGE FINANCIAL INC | 21871XAP4 | Debt | CORP | United States | 145,000 | principal | $147K | 0.00% | 2 |
| AT&T INC | 00206R706 | Preferred | CORP | United States | 8,482 | shares | $145K | 0.00% | 1 |
| PNC FINANCIAL SERVICES | 693475BF1 | Debt | CORP | United States | 140,000 | principal | $141K | 0.00% | 2 |
| ALLSTATE CORP | 020002BB6 | Debt | CORP | United States | 140,000 | principal | $140K | 0.00% | 2 |
| FIFTH THIRD BANCORP | 316773837 | Preferred | CORP | United States | 5,400 | shares | $140K | 0.00% | 1 |
| PNC FINANCIAL SERVICES | 693475BD6 | Debt | CORP | United States | 140,000 | principal | $140K | 0.00% | 2 |
| CHS/COMMUNITY HEALTH SYS | 12543DBM1 | Debt | CORP | United States | 149,000 | principal | $138K | 0.00% | 2 |
| BERKLEY (WR) CORPORATION | 084423805 | Preferred | CORP | United States | 7,375 | shares | $137K | 0.00% | 1 |
| CHARLES SCHWAB CORP | 808513BJ3 | Debt | CORP | United States | 147,000 | principal | $136K | 0.00% | 2 |
| AFFILIATED MANAGERS GROU | 008252827 | Preferred | CORP | United States | 5,813 | shares | $133K | 0.00% | 1 |
| SELECTIVE INSURANCE GROU | 816300503 | Preferred | CORP | United States | 8,314 | shares | $132K | 0.00% | 1 |
| GLOBAL NET LEASE INC | 379378508 | Preferred | OTHER | United States | 5,461 | shares | $130K | 0.00% | 1 |
| VODAFONE GROUP PLC | 92857WBQ2 | Debt | CORP | United Kingdom | 125,000 | principal | $128K | 0.00% | 2 |
| RENAISSANCERE HOLDINGS L | 75968N309 | Preferred | CORP | Bermuda | 5,950 | shares | $123K | 0.00% | 1 |
| CULLEN/FROST BANKERS INC | 229899307 | Preferred | CORP | United States | 7,442 | shares | $123K | 0.00% | 1 |
| BROOKFIELD PROPERTY PART | BMG162491648 | Preferred | CORP | Bermuda | 8,773 | shares | $122K | 0.00% | 1 |
| PARAMOUNT GLOBAL | 92556HAE7 | Debt | CORP | United States | 141,000 | principal | $117K | 0.00% | 2 |
| NEXTERA ENERGY CAPITAL | 65339KCW8 | Debt | CORP | United States | 115,000 | principal | $117K | 0.00% | 2 |
| WESBANCO INC | 950810887 | Preferred | CORP | United States | 4,270 | shares | $109K | 0.00% | 1 |
| FIRST HORIZON CORP | 320517840 | Preferred | CORP | United States | 4,350 | shares | $107K | 0.00% | 1 |
| TRUIST FINANCIAL CORP | 89832QAF6 | Debt | CORP | United States | 108,000 | principal | $107K | 0.00% | 2 |
| PIONEER OPCO LLC | — | Loan | CORP | United States | 105,000 | principal | $106K | 0.00% | 2 |
| MPH Acquisition Holdings LLC | 55328HAP6 | Loan | CORP | United States | 105,252 | principal | $106K | 0.00% | 2 |
| PRESTIGE BRANDS INC | — | Loan | CORP | United States | 105,000 | principal | $105K | 0.00% | 2 |
| BROOKFIELD RENEWABLE PAR | BMG162582313 | Preferred | CORP | Bermuda | 6,000 | shares | $102K | 0.00% | 1 |
| ARRAY DIGITAL INFRA INC | 911684702 | Preferred | CORP | United States | 5,300 | shares | $101K | 0.00% | 1 |
Equities show share counts; bonds and loans show principal amount. Coupon, maturity and ratings are shown where the filing discloses them. Source: SEC N-PORT via market-data vendor re-serve, position-level.
Holdings reports on file
| Report date | Filed | Positions | Σ weight | Net assets (calc.) | Coverage |
|---|---|---|---|---|---|
| Jul 31, 2026 | Sep 29, 2026 | 820 | 100.0% | $4.9B | full |
| Apr 30, 2026 | Jun 26, 2026 | 804 | 100.0% | $4.8B | full |
| Jan 31, 2026 | Mar 31, 2026 | 813 | 100.0% | $4.7B | full |
| Oct 31, 2025 | Dec 23, 2025 | 815 | 100.0% | $4.6B | full |
Net assets here are calculated from position values ÷ reported weights (median across positions), not a reported figure.
CEF Explorer research page for Calamos Strategic Total Return Fund. Figures carry their own dates and sources; a discount to NAV does not guarantee convergence or any return. This is not investment advice.