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
401
AF ACQUISITION CORP
750,000$7.4B40.34%
402
MASMASCO CORP
123,157$7.4B40.24%
403
AVYAVERY DENNISON CORP
39,968$7.3B40.04%
404
BMBLBUMBLE INC
116,099$7.2B39.51%
405
CSTLCASTLE BIOSCIENCES INC
105,761$7.2B39.50%
406
TURNING PT BRANDS INC
5,953,000$7.2B39.42%
407
SAMBOSTON BEER INC
5,979$7.2B39.34%
408
XYLXYLEM INC
68,280$7.2B39.18%
409
SPGSIMON PPTY GROUP INC NEW
62,893$7.2B39.03%
410
MAAMID-AMER APT CMNTYS INC
49,556$7.2B39.03%
411
SLQTSELECTQUOTE INC
242,217$7.1B39.00%
412
ADMARCHER DANIELS MIDLAND CO
124,711$7.1B38.78%
413
AVBAVALONBAY CMNTYS INC
38,241$7.1B38.49%
414
PINE TECHNOLOGY ACQUISITN CO
710,000$7.0B38.42%
415
MNSTMONSTER BEVERAGE CORP NEW
76,912$7.0B38.22%
416
DSPVIANT TECHNOLOGY INC
132,384$7.0B38.19%
417
EXPEEXPEDIA GROUP INC
40,601$7.0B38.12%
418
CHDCHURCH & DWIGHT INC
79,995$7.0B38.12%
419
TILRAY INC
7,400,000$7.0B37.99%
420
RPREALPAGE INC
79,850$7.0B37.99%
421
WELLWELLTOWER INC
97,091$7.0B37.94%
422
G&P ACQUISITION CORP
700,000$6.9B37.88%
423
MHKMOHAWK INDS INC
36,014$6.9B37.78%
424
TELTE CONNECTIVITY LTD
53,579$6.9B37.74%
425
PEGPUBLIC SVC ENTERPRISE GRP IN
114,699$6.9B37.67%
426
BNFT 1.25 12/15/23BENEFITFOCUS INC
7,500,000$6.9B37.58%
427
KHCKRAFT HEINZ CO
171,174$6.8B37.35%
428
AREALEXANDRIA REAL ESTATE EQ IN
41,568$6.8B37.26%
429
TABULA RASA HEALTHCARE INC
6,821,000$6.8B37.23%
430
ELVANTHEM INC
18,870$6.8B36.95%
431
EDCONSOLIDATED EDISON INC
90,186$6.7B36.80%
432
PSAPUBLIC STORAGE
27,290$6.7B36.74%
433
CMECME GROUP INC
32,922$6.7B36.68%
434
OPK 4.5 02/15/25OPKO HEALTH INC
5,000,000$6.7B36.63%
435
PRICELINE GRP INC
5,703,000$6.7B36.54%
436
GDGENERAL DYNAMICS CORP
36,542$6.6B36.20%
437
7HPHP INC
208,061$6.6B36.04%
438
WYWEYERHAEUSER CO MTN BE
185,431$6.6B36.01%
439
CMSCMS ENERGY CORP
107,713$6.6B35.97%
440
ITGARTNER INC
36,107$6.6B35.96%
441
NUENUCOR CORP
82,000$6.6B35.91%
442
ETRENTERGY CORP NEW
65,946$6.6B35.79%
443
VLOVALERO ENERGY CORP
91,218$6.5B35.63%
444
CTVACORTEVA INC
139,315$6.5B35.43%
445
MGM GROWTH PPTYS LLC
198,000$6.5B35.24%
446
FIVNFIVE9 INC
40,939$6.4B34.91%
447
PNRPENTAIR PLC
102,623$6.4B34.89%
448
DGXQUEST DIAGNOSTICS INC
49,810$6.4B34.88%
449
FQIDIGITAL RLTY TR INC
45,371$6.4B34.86%
450
KRKROGER CO
177,415$6.4B34.83%
451
RDFNREDFIN CORP
95,162$6.3B34.57%
452
VFCV F CORP
79,211$6.3B34.54%
453
GRWGGROWGENERATION CORP
127,291$6.3B34.51%
454
AWGASBURY AUTOMOTIVE GROUP INC
32,115$6.3B34.43%
455
CAECAE INC
221,362$6.3B34.41%
456
KELKELLOGG CO
99,309$6.3B34.29%
457
ZBHZIMMER BIOMET HOLDINGS INC
39,019$6.2B34.07%
458
AVYA 2.25 06/15/23AVAYA HLDGS CORP
5,000,000$6.2B33.90%
459
IPHIINPHI CORP
34,761$6.2B33.83%
460
CHNGUSDCHANGE HEALTHCARE INC
280,000$6.2B33.76%
461
DIGITAL TRANSFORMATN OPT COR
625,000$6.2B33.69%
462
MTBM & T BK CORP
40,722$6.2B33.68%
463
DRIDARDEN RESTAURANTS INC
43,477$6.2B33.68%
464
CNCCENTENE CORP DEL
96,517$6.2B33.65%
465
LOVELOVESAC COMPANY
108,686$6.2B33.56%
466
PENN 2.75 05/15/26PENN NATL GAMING INC
1,360,000$6.1B33.48%
467
VAREURVARIAN MED SYS INC
34,700$6.1B33.42%
468
W3UWESTERN UN CO
247,953$6.1B33.36%
469
FOURSHIFT4 PMTS INC
74,157$6.1B33.18%
470
FIREEYE INC
6,102,000$6.1B33.04%
471
NOKNOKIA CORP
1,520,000$6.0B32.84%
472
OREALTY INCOME CORP
94,608$6.0B32.78%
473
NEXTGEN ACQUISITION CORP II
600,000$5.9B32.40%
474
MAXMEDIAALPHA INC
165,456$5.9B31.98%
475
AEISADVANCED ENERGY INDS
53,191$5.8B31.68%
476
EWWISHARES INC
132,000$5.8B31.56%
477
MCHP 1.625 02/15/27MICROCHIP TECHNOLOGY INC.
2,538,000$5.8B31.47%
478
MBUUMALIBU BOATS INC
70,973$5.7B30.84%
479
EPDENTERPRISE PRODS PARTNERS L
253,985$5.6B30.51%
480
JKHYHENRY JACK & ASSOC INC
36,701$5.6B30.38%
481
TB SA ACQUISITION CORP
560,751$5.5B30.13%
482
MLAB 1.375 08/15/25MESA LABS INC
5,000,000$5.5B29.92%
483
MXIMMAXIM INTEGRATED PRODS INC
60,000$5.5B29.91%
484
CRCCANADIAN NAT RES LTD
177,130$5.5B29.83%
485
SIMOSILICON MOTION TECHNOLOGY CO
92,071$5.5B29.83%
486
PEB 1.75 12/15/26PEBBLEBROOK HOTEL TR
4,640,000$5.5B29.80%
487
AGILE GROWTH CORP
550,000$5.5B29.76%
488
ALLEALLEGION PLC
43,116$5.4B29.55%
489
AFLAFLAC INC
104,789$5.4B29.26%
490
RNGRINGCENTRAL INC
17,810$5.3B28.95%
491
GX ACQUISITION CORP II
533,506$5.3B28.90%
492
TWLVTWELVE SEAS INVESTMENT CO II
537,329$5.3B28.88%
493
AMGAFFILIATED MANAGERS GROUP IN
35,430$5.3B28.80%
494
UDRUDR INC
120,049$5.3B28.72%
495
FEFIRSTENERGY CORP
149,281$5.2B28.25%
496
STTSTATE STR CORP
61,602$5.2B28.23%
497
HRTG 5.875 08/01/37HERITAGE INS HLDGS INC
5,000,000$5.2B28.11%
498
QUOTIENT TECHNOLOGY INC
4,500,000$5.1B27.84%
499
TVTX 2.5 09/15/25RETROPHIN INC
5,000,000$5.1B27.75%
500
ASTREA ACQUISITION CORP
511,397$5.1B27.65%
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