Calamos Advisors LLC Q1 2023 Filing

Filed May 4, 2023

Portfolio Value

$20.5B

Holdings

1,115

Report Date

Q1 2023

Filing Type

13F-HR

All Holdings (1,115 positions)

#StockSharesValue% PortfolioType
301
A4SAMERIPRISE FINL INC
54,183$16.6B81.11%
302
ACIALBERTSONS COS INC
798,403$16.6B81.02%
30310,000,000$16.3B79.60%
304
CECELANESE CORP DEL
147,701$16.1B78.55%
30516,030,000$15.9B77.71%
306
IONS 0 04/01/26IONIS PHARMACEUTICALS INC
17,258,000$15.8B77.15%
307
RENEFCARTESIAN GROWTH CORP II
1,500,000$15.7B76.85%
308
CBRRFCHAIN BRIDGE I
1,500,000$15.7B76.78%
309
WINVINVESTCORP EUROPE ACQUISITIO
1,500,000$15.7B76.63%
310
GTLS 6.75 12/15/25 BCHART INDS INC
293,335$15.7B76.63%
311
LAMF GLOBAL VENTURES CORP I
1,500,000$15.7B76.56%
312
CRESCERA CAP ACQUISITION COR
1,500,000$15.7B76.56%
313
DP CAP ACQUISITION CORP I
1,500,000$15.7B76.56%
314
BATTERY FUTURE ACQUISITION C
1,500,000$15.7B76.48%
315
PROOF ACQUISITION CORP I
1,500,000$15.6B76.41%
316
INFINITE ACQUISITION CORP
1,500,000$15.6B76.30%
317
ST ENERGY TRANSITION I LTD
1,500,000$15.6B76.30%
31815,000,000$15.6B76.15%
319
AEAEALTENERGY ACQUISITION CORP
1,500,000$15.6B76.04%
320
ITGARTNER INC
47,756$15.6B75.98%
321
VMG CONSUMER ACQUISITION COR
1,500,000$15.6B75.97%
322
NEW PROVIDENCE ACQSITN CORP
1,500,000$15.5B75.93%
323
TRINE II ACQUISITION CORP
1,485,784$15.5B75.90%
324
TTGT 0 12/15/26TECHTARGET INC
20,000,000$15.5B75.59%
325
ZBHZIMMER BIOMET HOLDINGS INC
119,286$15.4B75.27%
326
EWEDWARDS LIFESCIENCES CORP
185,670$15.4B75.02%
327
SGENUSDSEAGEN INC
75,808$15.3B74.96%
32820,003,000$15.3B74.92%
329
INFINERA CORP
15,000,000$15.3B74.86%
330
VLOVALERO ENERGY CORP
109,448$15.3B74.62%
331
NXPINXP SEMICONDUCTORS N V
81,890$15.3B74.58%
332
RDFN 0 10/15/25REDFIN CORP
21,186,000$15.3B74.53%
333
SOSOUTHERN CO
217,130$15.1B73.78%
334
MPWRMONOLITHIC PWR SYS INC
29,248$14.6B71.50%
335
MGMMGM RESORTS INTERNATIONAL
328,400$14.6B71.24%
336
FISVFISERV INC
128,466$14.5B70.92%
337
HCAHCA HEALTHCARE INC
54,895$14.5B70.69%
338
BLBLFBILIBILI INC
12,000,000$14.5B70.62%
339
RCF ACQUISITION CORP
1,373,044$14.4B70.17%
340
CARRCARRIER GLOBAL CORPORATION
312,891$14.3B69.91%
341
HLF 2.625 03/15/24HERBALIFE NUTRITION LTD
15,000,000$14.2B69.59%
342
ETNEATON CORP PLC
82,970$14.2B69.43%
343
JBHTHUNT J B TRANS SVCS INC
80,847$14.2B69.28%
344
AEPAMERICAN ELEC PWR CO INC
153,452$14.0B68.19%
34517,000,000$14.0B68.18%
346
CITHE CIGNA GROUP
54,327$13.9B67.80%
347
WGO 1.5 04/01/25WINNEBAGO INDS INC
12,500,000$13.8B67.34%
348
APHAMPHENOL CORP NEW
167,189$13.7B66.72%
349
PRGSPROGRESS SOFTWARE CORP
12,500,000$13.6B66.45%
350
AIZASSURANT INC
112,113$13.5B65.74%
351
TSMTAIWAN SEMICONDUCTOR MFG LTD
165,610$13.5B65.73%Call
35215,000,000$13.3B64.74%
353
KMBKIMBERLY-CLARK CORP
97,902$13.1B64.18%
354
HCMAHCM ACQUISITION CO
1,250,000$13.1B64.10%
355
ADMARCHER DANIELS MIDLAND CO
164,436$13.1B63.97%
356
VAHANNA TECH EDGE ACQSTN I C
1,250,000$13.1B63.92%
357
EVCOEVEREST CONSOLIDATOR ACQ COR
1,250,000$13.1B63.76%
358
MOTIVE CAPITAL CORP II
1,250,000$13.0B63.70%
359
BLUE OCEAN ACQUISITION CORP
1,250,000$13.0B63.70%
360
AWMSKYWORKS SOLUTIONS INC
110,404$13.0B63.61%
361
PPYAPAPAYA GRWT OPPORTUNITY CORP
1,250,000$13.0B63.55%
362
ATSG 1.125 10/15/24AIR TRANS SVCS GROUP INC
13,685,000$13.0B63.46%
363
ATLANTIC COASTAL AQSTN CORP
1,250,000$13.0B63.43%
364
NVCR 0 11/01/25NOVOCURE LTD
15,000,000$13.0B63.37%
365
PRAA 3.5 06/01/23PRA GROUP INC
13,000,000$13.0B63.35%
366
MBVIM3 BRIGADE ACQUISITION III
1,250,000$12.9B63.13%
367
CBOECBOE GLOBAL MKTS INC
96,086$12.9B62.99%
368
ENPHYS ACQUISITION CORP
1,250,000$12.8B62.33%
369
RGENREPLIGEN CORP
8,216,000$12.7B61.79%
370
BKBANK NEW YORK MELLON CORP
277,070$12.6B61.49%
371
PCARPACCAR INC
171,745$12.6B61.40%
372
WFC 7.5 PERP LWELLS FARGO CO NEW
10,685$12.6B61.38%
373
LPSN 0 12/15/26LIVEPERSON INC
20,842,000$12.6B61.36%
374
TDOC 1.25 06/01/27TELADOC HEALTH INC
16,250,000$12.6B61.34%
375
IRONWOOD PHARMACEUTICALS INC
12,500,000$12.6B61.30%
376
TRVTRAVELERS COMPANIES INC
73,198$12.5B61.27%
377
ENTERPRISE 4.0 TEC ACQSTN CO
1,200,000$12.5B61.24%
37815,000,000$12.4B60.78%
379
TRIP 0.25 04/01/26TRIPADVISOR INC
15,000,000$12.4B60.61%
380
JAMF 0.125 09/01/26JAMF HLDG CORP
15,000,000$12.4B60.58%
38120,000,000$12.3B60.26%
382
VRSKVERISK ANALYTICS INC
64,196$12.3B60.15%
383
CLCOLGATE PALMOLIVE CO
162,938$12.2B59.80%
384
PDD HOLDINGS INC
6,750,000$12.2B59.43%
38513,484,000$12.0B58.74%
386
LI 0.25 05/01/28LI AUTO INC
10,710,000$12.0B58.60%
387
ALSALLSTATE CORP
108,236$12.0B58.57%
388
TERTERADYNE INC
111,306$12.0B58.44%
389
DDDUPONT DE NEMOURS INC
165,937$11.9B58.16%
39010,500,000$11.9B57.91%
39113,457,000$11.8B57.86%
392
TGNATEGNA INC
700,000$11.8B57.81%
393
XELXCEL ENERGY INC
173,837$11.7B57.25%
394
PAYXPAYCHEX INC
102,066$11.7B57.12%
395
AONAON PLC
36,987$11.7B56.95%
396
KRKROGER CO
234,671$11.6B56.58%
397
CMRC 0.25 10/01/26BIGCOMMERCE HLDGS INC
15,000,000$11.5B55.94%
398
EDCONSOLIDATED EDISON INC
119,289$11.4B55.74%
399
JCIJOHNSON CTLS INTL PLC
189,332$11.4B55.68%
400
LABORATORY CORP AMER HLDGS
49,385$11.3B55.33%
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