Calamos Advisors LLC Q2 2026 Filing

Filed July 31, 2026

Portfolio Value

$11.1T

Holdings

948

Report Date

Q2 2026

Filing Type

13F-HR

All Holdings (948 positions)

#	Stock	Shares	Value	% Portfolio	Type
401	RANGRANGE CAP ACQUISITION CORP I	147,613	$1.6B	0.01%
402	—SPACE ASSET ACQUISITION CORP	147,999	$1.6B	0.01%
403	—WEST ENCLAVE MERGER CORP	150,000	$1.5B	0.01%
404	—MOUNTAIN CREST ACQUISITION 6	150,000	$1.5B	0.01%
405	—HENNESSY CAP INVTS CORP VIII	150,000	$1.5B	0.01%
406	—AMPERCAP ACQUISITION CO	150,000	$1.5B	0.01%
407	—X3 ACQUISITION CORP LTD	149,843	$1.5B	0.01%
408	—HCM IV ACQUISITION CORP	148,010	$1.5B	0.01%
409	—PROEM ACQUISITION CORP I	148,010	$1.5B	0.01%
410	—APERTURE AC	150,000	$1.5B	0.01%
411	PDFSPDF SOLUTIONS INC	20,857	$1.5B	0.01%
412	—WHITE PEARL ACQUISITION CORP	140,000	$1.5B	0.01%
413	STMSTMICROELECTRONICS N V	19,251	$1.4B	0.01%
414	NVDANVIDIA CORPORATION	7,069,674	$1.4B	0.01%	Call
415	BACCBLUE ACQUISITION CORP.	123,189	$1.4B	0.01%
416	ETWEATON VANCE TAX-MANAGED GLOB	143,639	$1.4B	0.01%
417	VOVANGUARD INDEX FDS	17,156	$1.4B	0.01%
418	XNIEXVIRTUS EQUITY & CONV INCM FD	51,308	$1.4B	0.01%
419	SPYSTATE STR SPDR S&P 500 ETF T	2,113,408	$1.4B	0.01%	Put
420	COGTCOGENT BIOSCIENCES INC	35,546	$1.4B	0.01%
421	SOLVSOLVENTUM CORP	17,566	$1.4B	0.01%
422	MMTXMILUNA ACQUISITION CORP	125,000	$1.3B	0.01%
423	FEIMFREQUENCY ELECTRS INC	20,214	$1.3B	0.01%
424	PCAPPROCAP ACQUISITION CORP	128,835	$1.3B	0.01%
425	NATLNCR ATLEOS CORPORATION	30,500	$1.3B	0.01%
426	CBTYCALAMOS ETF TR	67,504	$1.3B	0.01%
427	CBTOCALAMOS ETF TR	66,870	$1.3B	0.01%
428	IONS 1.75 06/15/28IONIS PHARMACEUTICALS INC	847,000	$1.3B	0.01%
429	LWACLIGHTWAVE ACQUISITION CORP	123,208	$1.3B	0.01%
430	AMPXAMPRIUS TECHNOLOGIES INC	94,158	$1.3B	0.01%
431	NGSNATURAL GAS SVCS GROUP INC	30,246	$1.3B	0.01%
432	—ARCHIMEDES TECH SPAC PTNRS I	124,000	$1.3B	0.01%
433	CBTJCALAMOS ETF TR	74,312	$1.3B	0.01%
434	WTWISDOMTREE INC	75,415	$1.3B	0.01%
435	CBTACALAMOS ETF TR	63,705	$1.3B	0.01%
436	OYSEOYSTER ENTERPRISES II ACQUIS	123,093	$1.3B	0.01%
437	LAFALAFAYETTE ACQUISITION CORP	125,000	$1.3B	0.01%
438	—FUTUREWAVE ACQUISITION CORP	125,000	$1.3B	0.01%
439	THTARGET HOSPITALITY CORP	61,001	$1.2B	0.01%
440	KVACKEEN VISION ACQUISITION CORP	100,000	$1.2B	0.01%
441	LITE 1.5 12/15/29LUMENTUM HLDGS INC	98,000	$1.2B	0.01%
442	PWIPOWER INTEGRATIONS INC	14,339	$1.2B	0.01%
443	AAPLAPPLE INC	4,080,739	$1.2B	0.01%	Call
444	—SPARTACUS ACQUISITION CORP I	110,000	$1.2B	0.01%
445	KOPNKOPIN CORP	257,796	$1.2B	0.01%
446	XNROXNEUBERGER R/EST SECS INC FD	380,263	$1.2B	0.01%
447	LUNRINTUITIVE MACHINES INC	52,290	$1.1B	0.01%
448	—CALAMOS ETF TR	10,693,254	$1.1B	0.01%
449	AXINAXIOM INTELLIGENCE AC CORP 1	100,000	$1.1B	0.01%
450	—MUZERO ACQUISITION CORP	103,525	$1.1B	0.01%
451	CHECCHENGHE ACQUISITION III CO	100,000	$1.0B	0.01%
452	—ALDABRA 4 LQDTY OPP VEH INC	100,000	$1.0B	0.01%
453	SACSAFEGUARD ACQUISITION CORP	100,000	$1.0B	0.01%
454	LATAGALATA ACQUISITION CORP II	100,000	$1.0B	0.01%
455	FENIFIDELITY COVINGTON TRUST	25,432	$1.0B	0.01%
456	HVMCHIGHVIEW MERGER CORP	98,585	$1.0B	0.01%
457	CIB1NGRUPO CIBEST SA	12,800	$1.0B	0.01%
458	—M EVO GBL ACQUISITION CORP I	98,670	$1.0B	0.01%
459	ASGLIBERTY ALL-STAR GROWTH FD I	184,608	$1.0B	0.01%
460	DSACUDAEDALUS SPL ACQUISITION COR	98,317	$1.0B	0.01%
461	SYRESPYRE THERAPEUTICS INC	11,323	$1.0B	0.01%
462	AIOVIRTUS ARTIFICIAL INTELLIGEN	35,745	$1.0B	0.01%
463	—LEGATO MERGER CORP IV	98,437	$1.0B	0.01%
464	CQPCHENIERE ENERGY PARTNERS L P	16,365	$997.4M	0.01%
465	CRWVCOREWEAVE INC	10,000	$995.4M	0.01%
466	EOSEATON VANCE ENHANCED EQUITY	44,409	$978.8M	0.01%
467	SFSTIFEL FINL CORP	13,544	$945.0M	0.01%
468	LASRNLIGHT INC	13,544	$942.9M	0.01%
469	SCHJSCHWAB STRATEGIC TR	38,140	$940.5M	0.01%
470	CYRXCRYOPORT INC	59,740	$937.9M	0.01%
471	EMFTEMPLETON EMERGING MKTS FD	40,216	$933.8M	0.01%
472	—AEON ACQUISITION I CORP	90,000	$909.0M	0.01%
473	BBIO 2.5 03/15/27BRIDGEBIO PHARMA INC	500,000	$893.3M	0.01%
474	NMAINUVEEN MULTI ASSET INCOME FU	62,051	$879.3M	0.01%
475	EMOCLEARBRIDGE ENERGY MIDSTREAM	17,460	$874.7M	0.01%
476	MTH 1.75 05/15/28MERITAGE HOMES CORP	844,000	$874.3M	0.01%
477	BMEZBLACKROCK HEALTH SCIENCES TE	55,243	$848.0M	0.01%
478	LYTSLSI INDS INC OHIO	31,823	$845.9M	0.01%
479	SPIRSPIRE GLOBAL INC	45,414	$844.7M	0.01%
480	USIGISHARES TR	16,354	$838.8M	0.01%
481	CXCEMEX SA EURO MTN BE 144A	69,605	$835.3M	0.01%
482	IRMDIRADIMED CORP	8,671	$828.6M	0.01%
483	ETJEATON VANCE RISK-MANAGED DIV	98,648	$815.8M	0.01%
484	PDTHANCOCK JOHN PREM DIVID FD	62,921	$814.8M	0.01%
485	—COLUMBUS CIRCLE CAP CORP II	75,000	$809.3M	0.01%
486	TTITETRA TECHNOLOGIES INC DEL	70,649	$800.5M	0.01%
487	PEOADAM NAT RES FD INC	32,307	$798.6M	0.01%
488	CHPGCHAMPIONSGATE ACQUISITION CO	73,866	$794.1M	0.01%
489	AEIS 2.5 09/15/28ADVANCED ENERGY INDS	286,000	$791.0M	0.01%
490	MSFTMICROSOFT CORP	2,107,838	$786.1M	0.01%	Call
491	LFACLEAPFROG ACQUISITION CORP	73,670	$754.7M	0.01%
492	PSTGEVERPURE INC	9,569	$753.9M	0.01%
493	—AVERIN CAP ACQUISITION CORP	75,000	$752.3M	0.01%
494	—TEXAS VENTURES ACQUISITION I	75,000	$750.0M	0.01%
495	CBXJCALAMOS ETF TR	37,299	$737.4M	0.01%
496	AMZNAMAZON COM INC	3,092,300	$734.0M	0.01%	Call
497	GOOGLALPHABET INC	2,025,067	$723.3M	0.01%	Call
498	NUAIWNEW ERA ENERGY & DIGITAL INC	250,000	$717.5M	0.01%
499	GGNGAMCO GLOBAL GOLD NAT RES &	146,278	$708.0M	0.01%
500	AFRMAFFIRM HLDGS INC	8,650	$705.4M	0.01%

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