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Calamos Advisors LLC
Period ended Sep 30, 2026 · Latest filing Nov 2, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Sep 30, 2026: $33,495,498,309
More quarters will appear as history becomes available.
Top holdings
Top 10 at Sep 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- NVIDIA CORPORATION · COM · 67066G104 · shares: $1,634,939,077
- CALAMOS ETF TR · TAX AWA COLL ETF · 12811T514 · shares: $1,610,990,328
- APPLE INC · COM · 037833100 · shares: $1,326,958,152
- STATE STR SPDR S&P 500 ETF T · TR UNIT · 78462F103 · shares · PUT: $1,138,002,803
- MICROSOFT CORP · COM · 594918104 · shares: $1,103,177,633
- AMAZON COM INC · COM · 023135106 · shares: $808,943,708
- ALPHABET INC · CAP STK CL A · 02079K305 · shares: $747,370,319
- STATE STR SPDR S&P 500 ETF T · TR UNIT · 78462F103 · shares · CALL: $704,278,787
- META PLATFORMS INC · CL A · 30303M102 · shares: $541,154,697
- BROADCOM INC · COM · 11135F101 · shares: $502,734,806
Reported holdings
1,023 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| EVERPURE INC | CL A | 74624M102 | — | 26,868 shares | $3,513,797 |
| LIVE OAK ACQUISITION CORP VI | UNIT 08/24/2031 | G5509W123 | — | 350,000 shares | $3,503,500 |
| THREE LIONS ACQUISITION CORP | UNIT 09/01/2031 | G88765121 | — | 350,000 shares | $3,500,000 |
| RUSH STREET INTERACTIVE INC | COM | 782011100 | — | 171,243 shares | $3,481,370 |
| OCEANLIGHT ACQUISITION CORP | UNIT 07/09/2031 | G8280M132 | — | 345,000 shares | $3,474,150 |
| SPDR SERIES TRUST | ST BLOO HIGH ETF | 78468R622 | — | 37,365 shares | $3,465,604 |
| INSMED INC | COM PAR $.01 | 457669307 | — | 29,859 shares | $3,408,106 |
| LULULEMON ATHLETICA INC | COM | 550021109 | — | 35,284 shares | $3,393,968 |
| FRANKLIN TEMPLETON ETF TR | SENIOR LOAN ETF | 35473P595 | — | 146,337 shares | $3,365,751 |
| MANHATTAN ASSOCIATES INC | COM | 562750109 | — | 16,541 shares | $3,286,697 |
| WISDOMTREE INC | COM | 97717P104 | — | 129,918 shares | $3,155,708 |
| APOGEE ACQUISITION CORP | UNIT 03/27/2031 | G04126127 | — | 300,000 shares | $3,154,500 |
| VERNAL CAP ACQUISITION CORP | UNIT 99/99/9999 | G93Y7F122 | — | 300,000 shares | $3,150,000 |
| SUPER MICRO COMPUTER INC | COM NEW | 86800U302 | — | 76,283 shares | $3,132,943 |
| ULTRA CLEAN HLDGS INC | COM | 90385V107 | — | 38,448 shares | $3,116,595 |
| ALUSSA ENERGY ACQUISIT CORP | UNIT 99/99/9999 | G0233J126 | — | 300,000 shares | $3,109,500 |
| DUCOMMUN INC DEL | COM | 264147109 | — | 18,104 shares | $3,105,560 |
| QDRO ACQUISITION CORP | UNIT 01/28/2031 | G7310E128 | — | 300,000 shares | $3,079,500 |
| BEYOND MEAT INC | DEBT 10.340%10/1 | 08862EAD1 | — | 6,806,746 principal | $3,077,602 |
| GORES HOLDINGS XI INC | UNIT 06/24/2031 | G40008123 | — | 300,000 shares | $3,054,000 |
| ENERGY TRANSITION SPL OPPORT | UNIT 99/99/9999 | G23017125 | — | 300,000 shares | $3,045,000 |
| SPDR SERIES TRUST | ST PORT HIGH ETF | 78468R606 | — | 134,589 shares | $3,040,366 |
| BLUE WTR ACQUISITION CORP IV | UNIT 99/99/9999 | G1368A120 | — | 300,000 shares | $3,033,000 |
| TRANSMEDICS GROUP INC | NOTE 1.500% 6/0 | 89377MAB5 | — | 2,574,000 principal | $3,027,951 |
| RF ACQUISITION CORP III | UNIT 01/28/2031 | G7537X115 | — | 300,000 shares | $3,027,000 |
| EAST WEST AVE ACQUISITION CO | UNIT 07/14/2031 | 275913200 | — | 300,000 shares | $3,012,000 |
| KRAKACQUISITION CORPORATION | UNIT 12/23/2030 | G5315G122 | — | 295,998 shares | $2,995,500 |
| FREEDOM METALS ACQUISITION | UNIT 07/01/2031 | G25507123 | — | 300,000 shares | $2,988,000 |
| ISHARES TR | MSCI ACWI EX US | 464288240 | — | 39,476 shares | $2,985,175 |
| CARPENTER TECHNOLOGY CORP | COM | 144285103 | — | 7,495 shares | $2,914,206 |
| BANDWIDTH INC | COM CL A | 05988J103 | — | 47,880 shares | $2,906,795 |
| MAYWOOD ACQUISITION CORP 2 | UNIT 03/06/2031 | G5T117128 | — | 275,000 shares | $2,880,625 |
| JAZZ PHARMACEUTICALS PLC | SHS USD | G50871105 | — | 12,366 shares | $2,862,976 |
| CECO ENVIRONMENTAL CORP | COM | 125141101 | — | 40,452 shares | $2,817,077 |
| OCEANHAWK ACQUISITION CORP | UNIT 05/19/2031 | G6722R115 | — | 275,000 shares | $2,807,750 |
| UBER TECHNOLOGIES INC | NOTE 5/1 | 90353TAS9 | — | 2,684,000 principal | $2,797,909 |
| PROTAGONIST THERAPEUTICS INC | COM | 74366E102 | — | 19,156 shares | $2,698,889 |
| GUARDANT HEALTH INC | NOTE 11/1 | 40131MAB5 | — | 1,967,000 principal | $2,693,046 |
| AXSOME THERAPEUTICS INC. | COM | 05464T104 | — | 14,577 shares | $2,687,853 |
| AXON ENTERPRISE INC | COM | 05464C101 | — | 6,283 shares | $2,654,693 |
| PRECIGEN INC | COM | 74017N105 | — | 307,363 shares | $2,631,027 |
| IRON DOME ACQUISITION I CORP | UNIT 02/27/2031 | G4949K120 | — | 250,000 shares | $2,602,500 |
| INDIGO ACQUISITION CORP | UNIT 07/01/2030 | G4791J122 | — | 250,000 shares | $2,592,500 |
| PLUTONIAN ACQUISITION CORP I | UNIT 99/99/9999 | G71382124 | — | 250,000 shares | $2,562,500 |
| 10X GENOMICS INC | CL A COM | 88025U109 | — | 28,116 shares | $2,540,562 |
| SEADRILL LTD | COM | G7997W102 | — | 56,750 shares | $2,535,023 |
| VICTORY PORTFOLIOS II | CORE BD ETF | 92647N527 | — | 56,712 shares | $2,531,822 |
| SOUTHERN CROSS ACQUISITION I | UNIT 06/12/2031 | G82934129 | — | 250,000 shares | $2,517,500 |
| SPDR SERIES TRUST | ST STR P500ETF | 78464A854 | — | 28,045 shares | $2,517,319 |
| SOUTHERN CROSS ACQUISITION I | UNIT 07/09/2031 | G82941132 | — | 250,000 shares | $2,508,750 |
| FOREFRONT TECHNOLOGY HOLDING | UNIT 04/30/2031 | G3624C122 | — | 247,477 shares | $2,506,942 |
| BLUEROCK ACQUISITION CORP II | UNIT 09/22/2031 | G1195W121 | — | 250,000 shares | $2,500,000 |
| LAFAYETTE DIGITAL ACQUISITIO | UNIT 12/23/2030 | G5345D123 | — | 248,000 shares | $2,497,360 |
| INTERPRIVATE INVTS PARTNERS | UNIT 05/27/2031 | G49097127 | — | 250,000 shares | $2,487,500 |
| SNOW ROTHSCHILD ACQUISITION | UNIT 05/22/2031 | G8251A125 | — | 250,000 shares | $2,477,500 |
| MEDPACE HLDGS INC | COM | 58506Q109 | — | 3,874 shares | $2,418,073 |
| JANUS DETROIT STR TR | HENDRSON AAA CL | 47103U845 | — | 47,481 shares | $2,396,366 |
| BBB FOODS INC | CL A COM | G0896C103 | — | 45,100 shares | $2,374,064 |
| ALEXANDRIA REAL ESTATE EQ IN | COM | 015271109 | — | 48,758 shares | $2,314,055 |
| NATERA INC | COM | 632307104 | — | 5,516 shares | $2,279,818 |
| ATI INC | COM | 01741R102 | — | 12,004 shares | $2,273,558 |
| PELICAN ACQUISITION II CORP | UNIT 06/11/2031 | G69822123 | — | 225,000 shares | $2,264,625 |
| PARSONS CORP DEL | NOTE 2.625% 3/0 | 70202LAD4 | — | 2,379,000 principal | $2,244,967 |
| CARTESIAN GROWTH CORP IV | UNIT 06/08/2031 | G19316127 | — | 225,000 shares | $2,227,500 |
| WELLS FARGO & CO | PERP PFD CNV A | 949746804 | — | 2,063 shares | $2,225,956 |
| ABONY ACQUISITION CORP I | UNIT 01/29/2031 | G00582125 | — | 213,890 shares | $2,203,067 |
| DIGITALOCEAN HLDGS INC | COM | 25402D102 | — | 16,413 shares | $2,189,330 |
| LUCID GROUP INC | COM NEW | 549498202 | — | 525,000 shares | $2,136,750 |
| VISHAY INTERTECHNOLOGY INC | COM | 928298108 | — | 65,011 shares | $2,116,108 |
| TTM TECHNOLOGIES INC | COM | 87305R109 | — | 17,017 shares | $2,090,368 |
| SHREYA ACQUISITION GROUP | UNIT 99/99/9999 | G8116J121 | — | 200,000 shares | $2,070,000 |
| COLOMBIER ACQUISITION CORP I | UNIT 99/99/9999 | G2284A129 | — | 197,352 shares | $2,057,395 |
| AMERICAN DRIVE ACQUISITION C | UNIT 12/04/2030 | G0R91M121 | — | 197,792 shares | $2,057,037 |
| EQV VENTURES AC CORP. II | UNIT 06/30/2032 | G3106Q110 | — | 196,912 shares | $2,055,761 |
| SOLARIUS CAPITAL ACQU CORP | UNIT 07/10/2030 | G82617120 | — | 197,506 shares | $2,054,062 |
| LONG TABLE GROWTH CORP | UNIT 05/29/2031 | G5701H122 | — | 200,000 shares | $2,053,000 |
| BOA ACQUISITION CORP II | UNIT 07/27/2031 | G1R08A127 | — | 200,000 shares | $2,037,000 |
| APPIAN CORP | CL A | 03782L101 | — | 57,754 shares | $2,036,984 |
| YORKVILLE INTL CAP CORP | UNIT 06/05/2031 | G98665121 | — | 198,568 shares | $2,036,315 |
| KEYSTONE ACQUISITION CORP | UNIT 05/28/2031 | G52539114 | — | 200,000 shares | $2,036,000 |
| ALPEX ACQUISITION CORP | UNIT 06/05/2031 | G63325123 | — | 200,000 shares | $2,034,000 |
| CH4 NATURAL SOLUTIONS CORP | UNIT 99/99/9999 | G2104X127 | — | 200,000 shares | $2,030,000 |
| LAUNCHPAD CADENZA ACQU CORP | UNIT 12/15/2030 | G6001S123 | — | 197,792 shares | $2,015,500 |
| PATRIOT ACQUISITION CORP | UNIT 05/11/2031 | G6951A122 | — | 200,000 shares | $2,012,000 |
| SHARKNINJA INC | COM SHS | G8068L108 | — | 11,133 shares | $2,005,276 |
| VINE HILL CAP INVTS CORP II | UNIT 11/25/2030 | G9709D125 | — | 197,241 shares | $2,001,996 |
| SAMOS ENERGY ACQUISITION COR | UNIT 99/99/9999 | G7862H123 | — | 200,000 shares | $1,988,000 |
| FIVE BELOW INC | COM | 33829M101 | — | 8,929 shares | $1,960,541 |
| HALOZYME THERAPEUTICS INC | NOTE 0.250% 3/0 | 40637HAD1 | — | 1,352,000 principal | $1,953,718 |
| THE TRADE DESK INC | COM CL A | 88339J105 | — | 160,137 shares | $1,948,867 |
| FIDELITY COVINGTON TRUST | ENHANCED SML CAP | 31609A206 | — | 42,557 shares | $1,912,937 |
| PETROLEO BRASILEIRO S A | SPONSORED ADR | 71654V408 | CALL | 117,400 shares | $1,897,184 |
| PAYMENTUS HOLDINGS INC | COM CL A | 70439P108 | — | 61,901 shares | $1,896,647 |
| SCHRODINGER INC | COM | 80810D103 | — | 60,036 shares | $1,864,118 |
| PALVELLA THERAPEUTICS INC NE | COM | 697947109 | — | 13,361 shares | $1,842,883 |
| HARVARD AVE ACQUISITION CORP | UNIT 10/03/2030 | G4330A129 | — | 175,000 shares | $1,841,875 |
| D BORAL ACQUISITION I CORP | UNIT 01/30/2031 | G2616T127 | — | 175,000 shares | $1,799,000 |
| FORTUNEX ACQUISITION CORP | UNIT 05/19/2031 | G3645W123 | — | 175,000 shares | $1,780,625 |
| FUTURE MONEY ACQUISITION COR | UNIT 03/16/2031 | G3700S124 | — | 175,000 shares | $1,774,500 |
| JAB ACQUISITION CORP I | UNIT 06/05/2031 | G50004129 | — | 175,000 shares | $1,774,500 |