Calamos Advisors LLC Q1 2021 Filing

Filed April 12, 2021

Portfolio Value

$18.3B

Holdings

885

Report Date

Q1 2021

Filing Type

13F-HR

All Holdings (885 positions)

#StockSharesValue% PortfolioType
501
MARRIOTT VACTINS WORLDWID CO
3,887,000$5.0B27.54%
502
STRATIM CLOUD ACQUISITION CO
500,000$5.0B27.28%
503
TUATARA CAPITAL ACQUISITN CO
500,000$5.0B27.28%
504
TECH AND ENERGY TRANSITION
500,000$5.0B27.28%
505
BYTE ACQUISITION CORP
500,000$5.0B27.28%
506
FTAC HERA ACQUISITION CORP
500,000$5.0B27.25%
507
DHC ACQUISITION CORP
500,000$5.0B27.25%
508
PRO 1 05/15/24PROS HOLDINGS INC
5,000,000$5.0B27.16%
509
KISMET ACQUISITION TWO CORP
500,000$5.0B27.11%
510
PERIDOT ACQUISITION CORP II
500,000$5.0B27.11%
511
ACCELERATE ACQUISITION CORP
500,000$5.0B27.09%
512
LANDCADIA HOLDINGS IV INC
500,000$5.0B27.00%
513
FORUM MERGER IV CORP
500,000$5.0B27.00%
514
MAGNUM OPUS ACQUISITION LTD
500,000$4.9B26.98%
515
ATHENA TECHNOLOGY ACQUISI CO
500,000$4.9B26.98%
516
KISMET ACQUISITION THREE COR
500,000$4.9B26.95%
517
DISRUPTIVE ACQUISITION CORP
500,000$4.9B26.95%
518
AFRICAN GOLD ACQUISITION COR
500,000$4.9B26.95%
519
BUILD ACQUISITION CORP
500,000$4.9B26.92%
520
PWP FORWARD ACQUISITION CORP
500,000$4.9B26.92%
521
HOPE BANCORP INC
5,000,000$4.9B26.78%
522
ICADUSDICAD INC
230,432$4.9B26.67%
523
OPRXOPTIMIZERX CORP
99,327$4.8B26.42%
524
PSXPHILLIPS 66
59,320$4.8B26.39%
525
AZEKAZEK CO INC
114,563$4.8B26.28%
526
PEOEXELON CORP
109,632$4.8B26.16%
527
REGNREGENERON PHARMACEUTICALS
10,117$4.8B26.11%
528
AZTABROOKS AUTOMATION INC NEW
58,063$4.7B25.86%
529
STIMNEURONETICS INC
379,618$4.7B25.61%
530
RADIUS HEALTH INC
5,000,000$4.7B25.55%
531
CDLXCARDLYTICS INC
42,494$4.7B25.43%
532
EVH 1.5 10/15/25EVOLENT HEALTH INC
5,000,000$4.7B25.39%
533
CHRDOASIS PETROLEUM INC
76,863$4.6B24.90%
534
EXPIEXP WORLD HLDGS INC
99,976$4.6B24.84%
535
TREXTREX CO INC
49,475$4.5B24.71%
536
RVNC 1.75 02/15/27REVANCE THERAPEUTICS INC
4,000,000$4.5B24.69%
537
KEYKEYCORP
226,225$4.5B24.66%
538
PRUPRUDENTIAL FINL INC
49,275$4.5B24.49%
539
XYZSQUARE INC
19,650$4.5B24.34%
540
FOXAFOX CORP
122,983$4.4B24.23%
541
RXR ACQUISITION CORP
450,000$4.4B24.18%
542
SGRYSURGERY PARTNERS INC
100,128$4.4B24.18%
543
ITHAX ACQUISITION CORP
441,806$4.4B24.17%
544
EOGEOG RES INC
60,917$4.4B24.10%
545
NINISOURCE INC
182,714$4.4B24.03%
546
GRUBHUB INC
73,000$4.4B23.89%
547
REGREGENCY CTRS CORP
77,165$4.4B23.87%
548
PIIPOLARIS INC
32,510$4.3B23.68%
549
VRNSVARONIS SYS INC
84,501$4.3B23.67%
550
NTAPNETAPP INC
59,360$4.3B23.53%
551
PENNPENN NATL GAMING INC
41,137$4.3B23.52%
552
OKEONEOK INC NEW
84,512$4.3B23.35%
553
ULTAULTA BEAUTY INC
13,821$4.3B23.31%
554
LQDISHARES TR
32,500$4.2B23.06%
555
FUSION ACQUISITION CORP II
425,000$4.2B23.02%
556
FTHMFATHOM HOLDINGS INC
114,377$4.2B22.86%
557
EIXEDISON INTL
70,804$4.1B22.63%
558
INTERCEPT PHARMACEUTICALS IN
5,000,000$4.1B22.56%
559
LEGLEGGETT & PLATT INC
89,180$4.1B22.21%
560
PRAHPRA HEALTH SCIENCES INC
26,500$4.1B22.17%
561
NVEEUSDNV5 GLOBAL INC
41,747$4.0B22.00%
562
DECKDECKERS OUTDOOR CORP
12,140$4.0B21.89%
563
SONYSONY CORP
37,752$4.0B21.83%
564
ATECALPHATEC HLDGS INC
253,261$4.0B21.82%
565
WYNNWYNN RESORTS LTD
31,776$4.0B21.73%
566
ROSS ACQUISITION CORP II
400,000$4.0B21.73%
567
MASON INDUSTRIAL TECHNOLGY I
400,000$4.0B21.69%
568
ESM ACQUISITION CORPORATION
400,000$4.0B21.69%
569
FLAME ACQUISITION CORP
400,000$4.0B21.67%
570
PENG 2.25 02/15/26SMART GLOBAL HLDGS INC
3,000,000$4.0B21.63%
571
DENEURDENBURY INC
82,258$3.9B21.49%
572
EWZISHARES INC
117,000$3.9B21.35%Call
573
LENLENNAR CORP
38,550$3.9B21.29%
574
STWDSTARWOOD PPTY TR INC
157,699$3.9B21.28%
575
SEACOR HOLDINGS INC
4,000,000$3.9B21.20%
576
ICEINTERCONTINENTAL EXCHANGE IN
34,775$3.9B21.19%
577
SOUTH JERSEY INDS INC
100,000$3.9B21.00%
578
ICHRICHOR HOLDINGS
71,524$3.8B20.99%
579
PVHPVH CORPORATION
35,934$3.8B20.72%
580
COLLEGIUM PHARMACEUTICAL INC
3,500,000$3.8B20.71%
581
TTDTHE TRADE DESK INC
5,824$3.8B20.70%
582
GOLDEN ARROW MERGER CORP
380,000$3.8B20.63%
583
OTISOTIS WORLDWIDE CORP
55,020$3.8B20.54%
584
FRTEURFEDERAL RLTY INVT TR
37,076$3.8B20.52%
585
ONEWONEWATER MARINE INC
92,757$3.7B20.22%
586
MLB1MERCADOLIBRE INC
2,495$3.7B20.04%
587
YETIYETI HLDGS INC
50,552$3.6B19.91%
588
ITUBITAU UNIBANCO HLDG S A
734,940$3.6B19.89%Call
589
AERAERCAP HOLDINGS NV
62,000$3.6B19.87%
590
WDCWESTERN DIGITAL CORP.
54,433$3.6B19.82%
591
OXYOCCIDENTAL PETE CORP
135,324$3.6B19.65%
592
ITAMAR MED LTD
148,548$3.6B19.41%
593
ASHRDBX ETF TR
92,000$3.6B19.38%Call
594
WARRIOR TECHNOLOGIES ACQUI C
355,783$3.5B19.21%
595
VMCVULCAN MATLS CO
20,585$3.5B18.95%
596
TAILWIND TWO ACQUISITION COR
350,000$3.5B18.86%
597
CELHCELSIUS HLDGS INC
71,820$3.5B18.83%
598
PRPLPURPLE INNOVATION INC
107,513$3.4B18.56%
599
SHAKSHAKE SHACK INC
30,111$3.4B18.53%
600
AGRIFY CORP
271,571$3.4B18.49%
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