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
701
SPSCSPS COMM INC
17,301$2.6B12.86%
7026,500,000$2.6B12.77%
703
PONO CAP THREE INC
255,000$2.6B12.74%
704
AVALON ACQUISITION INC
250,000$2.6B12.73%
705
EB 5 12/01/25EVENTBRITE INC
2,500,000$2.6B12.63%
706
CECOCECO ENVIRONMENTAL CORP
184,428$2.6B12.59%
707
INTEINTEGRAL ACQUISITION CORP 1
250,000$2.6B12.56%
708
FINNOVATE ACQUISITION CORP
244,983$2.6B12.50%
709
SILVERBOX CORP III
250,000$2.5B12.31%
710
CAKE 0.375 06/15/26CHEESECAKE FACTORY INC
3,009,000$2.5B12.25%
711
CLHCLEAN HARBORS INC
17,498$2.5B12.18%
712
CONMED CORP
2,016,000$2.5B12.14%
713
APLSAPELLIS PHARMACEUTICALS INC
35,645$2.3B11.47%
714
BLACK MOUNTAIN ACQ CORP
225,500$2.3B11.44%
715
BANDBANDWIDTH INC
3,000,000$2.3B11.40%
716
EG ACQUISITION CORP
225,000$2.3B11.18%
717
TAUSDTRAVELCENTERS OF AMERICA INC
50,900$2.3B11.13%Call
718
EEFT 0.75 03/15/49EURONET WORLDWIDE INC
2,325,000$2.3B11.04%
719
DIODDIODES INC
24,154$2.2B10.94%
720
OPY ACQUISITION CORP I
218,489$2.2B10.76%
721
WKWORKIVA INC
21,450$2.2B10.72%
722
RIORIO TINTO PLC
30,700$2.2B10.67%Call
7235,000,000$2.1B10.42%
724
EXLSEXLSERVICE HOLDINGS INC
13,020$2.1B10.29%
725
SIMOSILICON MOTION TECHNOLOGY CO
32,135$2.1B10.28%
726
ICONIC SPORTS ACQUISITION CO
200,000$2.1B10.26%
727
LATAGALATA ACQUISITION CORP
200,000$2.1B10.15%
728
SRPTSAREPTA THERAPEUTICS INC
15,016$2.1B10.10%
729
CBZCBIZ INC
41,794$2.1B10.10%
730
INMDINMODE LTD
63,951$2.0B9.98%
731
B RILEY PRIN 250 MERGER CORP
200,000$2.0B9.92%
732
EXTREXTREME NETWORKS
106,007$2.0B9.89%
733
KNSLKINSALE CAP GROUP INC
6,703$2.0B9.82%
734
IMXIINTERNATIONAL MNY EXPRESS IN
78,019$2.0B9.82%
735
BELFBBEL FUSE INC
53,327$2.0B9.78%
736
FIVEFIVE BELOW INC
9,474$2.0B9.53%
737
HPHELMERICH & PAYNE INC
53,800$1.9B9.39%
738
IVWISHARES TR
29,816$1.9B9.30%
739
ITUBITAU UNIBANCO HLDG S A
389,288$1.9B9.26%
740
PRO 2.25 09/15/27PROS HOLDINGS INC
2,000,000$1.9B9.24%
741
SSTISHOTSPOTTER INC
47,483$1.9B9.11%
742
BOOTBOOT BARN HLDGS INC
24,097$1.8B9.01%
743
WBAWALGREENS BOOTS ALLIANCE INC
52,650$1.8B8.89%
744
UUNITY SOFTWARE INC
54,001$1.8B8.55%
745
LGNDLIGAND PHARMACEUTICALS INC
23,696$1.7B8.51%
746
FNAUSDPARAGON 28 INC
100,745$1.7B8.40%
747
RELYREMITLY GLOBAL INC
98,239$1.7B8.13%
748
SESEA LTD
19,200$1.7B8.11%
749
ACCRETION ACQUISITION CORP
160,000$1.6B8.05%
750
CIENCIENA CORP
31,095$1.6B7.97%
751
AGYSAGILYSYS INC
19,291$1.6B7.77%
752
COCOVITA COCO CO INC
80,552$1.6B7.71%
753
FINTECH ECOSYSTEM DEVE
150,000$1.6B7.71%
754
LIBERTY RES ACQUISITION CORP
150,000$1.6B7.69%
755
PDFSPDF SOLUTIONS INC
36,876$1.6B7.63%
756
SCHXSCHWAB STRATEGIC TR
30,758$1.5B7.26%
757
PHRPHREESIA INC
45,871$1.5B7.23%
758
CHRCHURCHILL DOWNS INC
5,679$1.5B7.13%
759
CETUS CAP ACQUISITION CORP
140,000$1.4B7.08%
760
TDWTIDEWATER INC NEW
32,661$1.4B7.03%
761
WSCWILLSCOT MOBIL MINI HLDNG CO
30,641$1.4B7.01%
762
FRPTFRESHPET INC
21,627$1.4B6.98%
763
VMIVALMONT INDS INC
4,474$1.4B6.97%
764
BLUE WHALE ACQUISITION CORP
141,132$1.4B6.85%
765
TXRHTEXAS ROADHOUSE INC
12,785$1.4B6.74%
766
G2CEVERI HLDGS INC
79,883$1.4B6.69%
767
SONYSONY GROUP CORPORATION
14,779$1.3B6.54%
768
ACWXISHARES TR
26,707$1.3B6.36%
769
SKWDSKYWARD SPECIALTY INS GROUP
56,534$1.2B6.03%
770
IRMDIRADIMED CORP
31,209$1.2B5.99%
771
OGNORGANON & CO
51,781$1.2B5.94%
772
STRLSTERLING INFRASTRUCTURE INC
32,067$1.2B5.93%
773
FWRGFIRST WATCH RESTAURANT GROUP
75,533$1.2B5.92%
774
PWSCPOWERSCHOOL HOLDINGS INC
60,773$1.2B5.88%
775
BCEBCE INC
26,843$1.2B5.87%
776
SITMSITIME CORP
8,440$1.2B5.86%
777
NGGNATIONAL GRID PLC
17,645$1.2B5.86%
778
NTRANATERA INC
21,521$1.2B5.83%
779
UFPTUFP TECHNOLOGIES INC
8,947$1.2B5.67%
780
MKTXMARKETAXESS HLDGS INC
2,895$1.1B5.53%
781
SAPSAP SE
8,865$1.1B5.47%
782
CP.TOCANADIAN PAC RY LTD
14,539$1.1B5.46%
783
COLLCOLLEGIUM PHARMACEUTICAL INC
45,339$1.1B5.31%
784
IBEXIBEX LTD
44,248$1.1B5.26%
785
GREEN VISOR FIN TEC ACQ CORP
100,000$1.1B5.15%
786
PCAPAP ACQUISITION CORP
100,000$1.1B5.15%
787
PAIIPYROPHYTE ACQUISITION CORP
100,000$1.1B5.13%
788
SPORTSMAP TECH ACQUISITIN CO
100,000$1.0B5.08%
789
FTAC ZEUS ACQUISITION COR
100,000$1.0B5.03%
790
POWER & DIGITAL INFRASTRUCTU
100,000$1.0B5.01%
791
JAWS JUGGERNAUT ACQUISITN CO
100,000$1.0B5.00%
792
JAWS HURRICANE ACQUISITN COR
100,000$1.0B4.96%
793
ZIMMER ENERGY TRANSITION ACQ
100,000$1.0B4.95%
794
LUCKBOWLERO CORP
59,316$1.0B4.91%
795
AAONAAON INC
10,384$1.0B4.90%
796
FERGFERGUSON PLC NEW
7,474$999.0M4.88%
797
TCMDTACTILE SYS TECHNOLOGY INC
60,861$998.0M4.87%
798
SAIASAIA INC
3,611$982.0M4.80%
799
TTTRANE TECHNOLOGIES PLC
5,257$967.0M4.72%
800
BKLNINVESCO EXCH TRADED FD TR II
45,865$953.0M4.65%
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