Calamos Advisors LLC Q2 2025 Filing
Filed August 8, 2025
Portfolio Value
$25.4B
Holdings
879
Report Date
Q2 2025
Filing Type
13F-HR
All Holdings (879 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 501 | REGNREGENERON PHARMACEUTICALS | 12,272 | $6.4B | 25.36% | |
| 502 | LYFT 0.625 03/01/29LYFT INC | 6,000,000 | $6.4B | 25.35% | |
| 503 | LITELUMENTUM HLDGS INC | 67,614 | $6.4B | 25.30% | |
| 504 | IRTC 1.5 09/01/29IRHYTHM TECHNOLOGIES INC | 5,000,000 | $6.4B | 25.16% | |
| 505 | PRUPRUDENTIAL FINL INC | 59,451 | $6.4B | 25.14% | |
| 506 | EMBJEMBRAER S.A. | 111,899 | $6.4B | 25.07% | |
| 507 | SPB 3.375 06/01/29SPECTRUM BRANDS INC | 7,000,000 | $6.4B | 25.04% | |
| 508 | CNCCENTENE CORP DEL | 117,062 | $6.4B | 25.01% | |
| 509 | PCRX 2.125 05/15/29PACIRA BIOSCIENCES INC | 6,500,000 | $6.4B | 25.01% | |
| 510 | CLSCELESTICA INC | 59,484 | $6.3B | 24.90% | Call |
| 511 | BAND 0.5 04/01/28BANDWIDTH INC | 7,500,000 | $6.3B | 24.84% | |
| 512 | PINSPINTEREST INC | 172,500 | $6.2B | 24.35% | |
| 513 | MARMARRIOTT INTL INC NEW | 22,609 | $6.2B | 24.31% | |
| 514 | INFA1EURINFORMATICA INC | 253,567 | $6.2B | 24.30% | |
| 515 | 7HPHP INC | 252,343 | $6.2B | 24.29% | |
| 516 | —STELLAR V CAP CORP | 600,000 | $6.2B | 24.24% | |
| 517 | UDRUDR INC | 146,244 | $6.0B | 23.50% | |
| 518 | VERX 0.75 05/01/29VERTEX INC | 5,000,000 | $5.9B | 23.33% | |
| 519 | ONON SEMICONDUCTOR CORP | 111,063 | $5.8B | 22.91% | |
| 520 | WYWEYERHAEUSER CO MTN BE | 225,885 | $5.8B | 22.84% | |
| 521 | BAXBAXTER INTL INC | 190,254 | $5.8B | 22.68% | |
| 522 | MTCHMATCH GROUP INC NEW | 185,843 | $5.7B | 22.60% | |
| 523 | CRSCARPENTER TECHNOLOGY CORP | 20,112 | $5.6B | 21.88% | |
| 524 | —HCM II ACQUISITION CORP | 500,000 | $5.5B | 21.85% | |
| 525 | SBXDSILVERBOX CORP IV | 500,000 | $5.5B | 21.57% | |
| 526 | SITMSITIME CORP | 25,626 | $5.5B | 21.49% | |
| 527 | BABAALIBABA GROUP HLDG LTD | 47,740 | $5.4B | 21.31% | |
| 528 | GPNGLOBAL PMTS INC | 66,770 | $5.3B | 21.04% | |
| 529 | CZRCAESARS ENTERTAINMENT INC NE | 188,200 | $5.3B | 21.03% | |
| 530 | FNFABRINET | 18,100 | $5.3B | 20.99% | |
| 531 | TECK/BTECK RESOURCES LTD | 131,000 | $5.3B | 20.82% | |
| 532 | STWD 6.75 07/15/27STARWOOD PPTY TR INC | 5,000,000 | $5.3B | 20.73% | |
| 533 | IVWISHARES TR | 47,520 | $5.2B | 20.59% | |
| 534 | JACSJACKSON ACQUISITION CO II | 500,000 | $5.2B | 20.57% | |
| 535 | AGXARGAN INC | 23,427 | $5.2B | 20.33% | |
| 536 | HTDCORCEPT THERAPEUTICS INC | 69,207 | $5.1B | 19.99% | |
| 537 | VLTOVERALTO CORP | 49,775 | $5.0B | 19.78% | |
| 538 | VRNS 1.25 08/15/25VARONIS SYS INC | 3,034,000 | $5.0B | 19.76% | |
| 539 | SHOPSHOPIFY INC | 52,000 | $5.0B | 19.52% | Call |
| 540 | MLAB 1.375 08/15/25MESA LABS INC | 5,000,000 | $4.9B | 19.28% | |
| 541 | LINCLINCOLN EDL SVCS CORP | 212,061 | $4.9B | 19.24% | |
| 542 | UTIUNIVERSAL TECHNICAL INST INC | 141,394 | $4.8B | 18.86% | |
| 543 | BIIBBIOGEN INC | 36,970 | $4.6B | 18.28% | |
| 544 | MTN 0 01/01/26VAIL RESORTS INC | 4,642,000 | $4.5B | 17.87% | |
| 545 | TMDX 1.5 06/01/28TRANSMEDICS GROUP INC | 2,824,000 | $4.5B | 17.86% | |
| 546 | WB 1.375 12/01/30WEIBO CORP | 4,000,000 | $4.5B | 17.80% | |
| 547 | TIGOMILLICOM INTL CELLULAR S A | 119,770 | $4.5B | 17.66% | |
| 548 | DOWDOW INC | 168,968 | $4.5B | 17.61% | |
| 549 | EIXEDISON INTL | 85,873 | $4.4B | 17.44% | |
| 550 | NTRANATERA INC | 26,122 | $4.4B | 17.37% | |
| 551 | CYBRCYBERARK SOFTWARE LTD | 10,780 | $4.4B | 17.26% | |
| 552 | IVEISHARES TR | 22,435 | $4.4B | 17.26% | |
| 553 | GPN 1.5 03/01/31GLOBAL PMTS INC | 4,752,000 | $4.3B | 16.75% | |
| 554 | WCNWASTE CONNECTIONS INC | 22,639 | $4.2B | 16.64% | |
| 555 | ETENERGY TRANSFER L P | 230,990 | $4.2B | 16.48% | |
| 556 | CRDOCREDO TECHNOLOGY GROUP HOLDI | 45,022 | $4.2B | 16.41% | |
| 557 | VRNAVERONA PHARMA PLC | 43,907 | $4.2B | 16.35% | |
| 558 | APPAPPLOVIN CORP | 11,793 | $4.1B | 16.25% | |
| 559 | WGSGENEDX HOLDINGS CORP | 44,575 | $4.1B | 16.20% | |
| 560 | —TRANSLATIONAL DEV ACQUISITIO | 375,000 | $3.9B | 15.53% | |
| 561 | SMCISUPER MICRO COMPUTER INC | 79,222 | $3.9B | 15.28% | |
| 562 | FIVEFIVE BELOW INC | 29,570 | $3.9B | 15.27% | |
| 563 | RDDTREDDIT INC | 28,500 | $3.8B | 15.09% | Call |
| 564 | AESAES CORP | 359,808 | $3.8B | 14.90% | |
| 565 | LRNSTRIDE INC | 25,934 | $3.8B | 14.82% | |
| 566 | AREALEXANDRIA REAL ESTATE EQ IN | 50,637 | $3.7B | 14.48% | |
| 567 | HUBBHUBBELL INC | 8,617 | $3.5B | 13.85% | |
| 568 | SEZLSEZZLE INC | 19,607 | $3.5B | 13.83% | |
| 569 | MOALTRIA GROUP INC | 58,750 | $3.4B | 13.56% | |
| 570 | CELHCELSIUS HLDGS INC | 72,595 | $3.4B | 13.26% | |
| 571 | BROSDUTCH BROS INC | 49,220 | $3.4B | 13.25% | |
| 572 | TMTOYOTA MOTOR CORP | 18,600 | $3.3B | 12.92% | Put |
| 573 | EPDENTERPRISE PRODS PARTNERS L | 105,810 | $3.3B | 12.92% | |
| 574 | STRLSTERLING INFRASTRUCTURE INC | 14,181 | $3.3B | 12.88% | |
| 575 | BYND 0 03/15/27BEYOND MEAT INC | 36,755,000 | $3.2B | 12.78% | |
| 576 | ITUBITAU UNIBANCO HLDG S A | 477,001 | $3.2B | 12.75% | |
| 577 | MTBASIMPLIFY EXCHANGE TRADED FUN | 64,144 | $3.2B | 12.65% | |
| 578 | NHICUNEWHOLD INVT CORP III | 300,000 | $3.2B | 12.58% | |
| 579 | SGHCSUPER GROUP SGHC LIMITED | 290,624 | $3.2B | 12.55% | |
| 580 | ELFE L F BEAUTY INC | 23,925 | $3.0B | 11.72% | |
| 581 | MAMAMAMAS CREATIONS INC | 356,862 | $3.0B | 11.66% | |
| 582 | MRCYMERCURY SYS INC | 54,954 | $3.0B | 11.65% | |
| 583 | RBCRBC BEARINGS INC | 7,665 | $2.9B | 11.61% | |
| 584 | QQQEDIREXION SHS ETF TR | 33,400 | $2.9B | 11.46% | Call |
| 585 | PEGAPEGASYSTEMS INC | 52,997 | $2.9B | 11.29% | |
| 586 | VWOBVANGUARD WHITEHALL FDS | 43,311 | $2.8B | 11.14% | |
| 587 | FORLFOUR LEAF ACQUISITION CORP | 231,000 | $2.7B | 10.56% | |
| 588 | IJRISHARES TR | 24,180 | $2.6B | 10.40% | |
| 589 | CVNACARVANA CO | 7,805 | $2.6B | 10.35% | |
| 590 | BTU 3.25 03/01/28PEABODY ENGR CORP | 2,500,000 | $2.6B | 10.14% | |
| 591 | HDBHDFC BANK LTD | 33,266 | $2.6B | 10.04% | |
| 592 | SMFGSUMITOMO MITSUI FINL GROUP I | 168,076 | $2.5B | 10.00% | |
| 593 | WFC 7.5 PERP LWELLS FARGO CO NEW | 2,158 | $2.5B | 9.97% | |
| 594 | ESEESCO TECHNOLOGIES INC | 13,047 | $2.5B | 9.85% | |
| 595 | ADPTADAPTIVE BIOTECHNOLOGIES COR | 214,605 | $2.5B | 9.84% | |
| 596 | IM8NINSMED INC | 22,952 | $2.3B | 9.09% | |
| 597 | NENOBLE CORP PLC | 86,428 | $2.3B | 9.03% | |
| 598 | DTDYNATRACE INC | 40,827 | $2.3B | 8.87% | |
| 599 | GDDYGODADDY INC | 12,463 | $2.2B | 8.83% | |
| 600 | ATGEADTALEM GLOBAL ED INC | 17,365 | $2.2B | 8.70% |