Calamos Advisors LLC Q2 2021 Filing

Filed July 22, 2021

Portfolio Value

$21.9B

Holdings

932

Report Date

Q2 2021

Filing Type

13F-HR

All Holdings (932 positions)

#StockSharesValue% PortfolioType
501
LEGLEGGETT & PLATT INC
115,439$6.0B27.33%
502
ARTISAN ACQUISITION CORP
600,000$6.0B27.30%
503
FOXAFOX CORP
159,194$5.9B27.01%
504
ASANASANA INC
95,139$5.9B26.97%
505
AVYA 2.25 06/15/23AVAYA HLDGS CORP
5,000,000$5.9B26.96%
506
PACKRANPAK HOLDINGS CORP
232,758$5.8B26.62%
507
OTISOTIS WORLDWIDE CORP
71,219$5.8B26.61%
508
STIMNEURONETICS INC
363,468$5.8B26.60%
509
NINISOURCE INC
236,512$5.8B26.48%
510
MLAB 1.375 08/15/25MESA LABS INC
5,000,000$5.8B26.35%
511
SHAKSHAKE SHACK INC
52,838$5.7B25.84%
512
MCHP 1.625 02/15/27MICROCHIP TECHNOLOGY INC.
2,540,000$5.7B25.83%
513
FRTEURFEDERAL RLTY INVT TR
47,943$5.6B25.66%
514
ASHRDBX ETF TR
138,500$5.6B25.65%Call
515
COHERUS BIOSCIENCES INC
5,467,000$5.6B25.64%
516
MGNIMAGNITE INC
165,272$5.6B25.55%
517
AZTABROOKS AUTOMATION INC NEW
58,443$5.6B25.44%
518
AGILE GROWTH CORP
550,000$5.5B25.06%
519
ESTAESTABLISHMENT LABS HLDGS INC
62,671$5.5B25.01%
520
AMGAFFILIATED MANAGERS GROUP IN
35,430$5.5B24.96%
521
OXYOCCIDENTAL PETE CORP
173,852$5.4B24.84%
522
TWLVTWELVE SEAS INVESTMENT CO II
537,329$5.4B24.45%
523
GRWGGROWGENERATION CORP
111,170$5.3B24.43%
5243,201,000$5.3B24.37%
525
GX ACQUISITION CORP II
533,506$5.3B24.32%
526
EIXEDISON INTL
91,650$5.3B24.21%
527
OPRXOPTIMIZERX CORP
85,450$5.3B24.17%
528
PEB 1.75 12/15/26PEBBLEBROOK HOTEL TR
4,640,000$5.3B24.05%
529
BOOTBOOT BARN HLDGS INC
61,747$5.2B23.71%
530
TUATARA CAPITAL ACQUISITN CO
500,000$5.1B23.39%
531
PRO 1 05/15/24PROS HOLDINGS INC
5,000,000$5.1B23.36%
532
ASTREA ACQUISITION CORP
511,397$5.1B23.32%
533
BYTE ACQUISITION CORP
500,000$5.1B23.28%
534
SAIASAIA INC
24,284$5.1B23.25%
535
AFRICAN GOLD ACQUISITION COR
500,000$5.1B23.10%
536
ACCELERATE ACQUISITION CORP
500,000$5.0B23.05%
537
WYNNWYNN RESORTS LTD
41,131$5.0B22.98%
538
HZNPHORIZON THERAPEUTICS PUB L
53,678$5.0B22.96%
539
FTAC HERA ACQUISITION CORP
500,000$5.0B22.95%
540
DHC ACQUISITION CORP
500,000$5.0B22.94%
541
MAGNUM OPUS ACQUISITION LTD
500,000$5.0B22.91%
542
WDCWESTERN DIGITAL CORP.
70,351$5.0B22.88%
543
PVHPVH CORPORATION
46,513$5.0B22.86%
544
STRATIM CLOUD ACQUISITION CO
500,000$5.0B22.84%
545
ANGEL POND HOLDINGS CORP
500,000$5.0B22.84%
546
KISMET ACQUISITION TWO CORP
500,000$5.0B22.84%
547
SKYDECK ACQUISITION CORP
500,000$5.0B22.84%
548
TECH AND ENERGY TRANSITION
500,000$5.0B22.84%
549
KISMET ACQUISITION THREE COR
500,000$5.0B22.82%
550
PERIDOT ACQUISITION CORP II
500,000$5.0B22.82%
551
FORUM MERGER IV CORP
500,000$5.0B22.82%
552
DISRUPTIVE ACQUISITION CORP
500,000$5.0B22.78%
553
ATHENA TECHNOLOGY ACQUISI CO
500,000$5.0B22.78%
554
LANDCADIA HOLDINGS IV INC
500,000$5.0B22.73%
555
PWP FORWARD ACQUISITION CORP
500,000$5.0B22.73%
556
BUILD ACQUISITION CORP
500,000$5.0B22.73%
557
THUNDER BRDG CAP PRTNRS IV I
500,000$5.0B22.68%
558
TLG ACQUISITION ONE CORP
500,000$5.0B22.66%
559
CLBRCOLOMBIER ACQUISITION CORP
500,000$5.0B22.66%
560
HOPE BANCORP INC
5,000,000$4.9B22.55%
561
DIODDIODES INC
61,881$4.9B22.55%
562
YETIYETI HLDGS INC
53,718$4.9B22.54%
563
XYZSQUARE INC
19,800$4.8B22.05%
564
NGVTINGEVITY CORP
59,200$4.8B22.01%
565
HRTG 5.875 08/01/37HERITAGE INSURANCE HLDGS INC
5,000,000$4.8B21.99%
566
EVH 1.5 10/15/25EVOLENT HEALTH INC
5,000,000$4.8B21.95%
567
CUTREURCUTERA INC
95,602$4.7B21.42%
568
MARRIOTT VACATIONS WORLDWIDE
3,912,000$4.7B21.39%
569
RVNC 1.75 02/15/27REVANCE THERAPEUTICS INC
4,000,000$4.7B21.38%
570
KEYKEYCORP
226,225$4.7B21.35%
571
RADIUS HEALTH INC
5,000,000$4.6B21.22%
572
ZSZSCALER INC
21,001$4.5B20.73%
573
QUOTIENT TECHNOLOGY INC
4,500,000$4.5B20.72%
574
ICHRICHOR HOLDINGS
84,224$4.5B20.70%
575
INTERCEPT PHARMACEUTICALS IN
5,000,000$4.5B20.65%
576
ZZFCARPARTS COM INC
221,391$4.5B20.60%
577
RXR ACQUISITION CORP
450,000$4.5B20.48%
578
TREXTREX CO INC
43,841$4.5B20.47%
579
GIGINTERNATIONAL1 INC
443,787$4.5B20.41%
580
ITHAX ACQUISITION CORP
441,806$4.4B20.19%
581
EB 5 12/01/25EVENTBRITE INC
2,500,000$4.4B20.04%
582
PRAHPRA HEALTH SCIENCES INC
26,500$4.4B20.00%
583
AWGASBURY AUTOMOTIVE GROUP INC
25,496$4.4B19.96%
584
TVTX 2.5 09/15/25RETROPHIN INC
5,000,000$4.3B19.56%
585
EPDENTERPRISE PRODS PARTNERS L
176,470$4.3B19.45%
586
FUSION ACQUISITION CORP II
425,000$4.2B19.40%
587
NTRANATERA INC
37,055$4.2B19.22%
588
PRCHPORCH GROUP INC
216,489$4.2B19.13%
589
SGRYSURGERY PARTNERS INC
62,161$4.1B18.92%
590
ICEINTERCONTINENTAL EXCHANGE IN
34,775$4.1B18.86%
591
STWDSTARWOOD PPTY TR INC
157,699$4.1B18.86%
592
PENG 2.25 02/15/26SMART GLOBAL HLDGS INC
3,000,000$4.1B18.80%
593
AEISADVANCED ENERGY INDS
36,112$4.1B18.60%
594
FLAME ACQUISITION CORP
400,000$4.1B18.55%
595
DECKDECKERS OUTDOOR CORP
10,496$4.0B18.42%
596
MASON INDUSTRIAL TECHNOLGY I
400,000$4.0B18.40%
597
GROWTH CAP ACQUISITION CORP
401,201$4.0B18.30%
598
ESM ACQUISITION CORPORATION
400,000$4.0B18.28%
599
ROSS ACQUISITION CORP II
400,000$4.0B18.22%
600
TDYTELEDYNE TECHNOLOGIES INC
9,515$4.0B18.21%
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