NPORT-P false 0000826732 XXXXXXXX S000052577 C000165048 C000165049 C000165050 CALAMOS INVESTMENT TRUST/IL 811-05443 0000826732 3MM2UW658H6KOU4WEW86 2020 CALAMOS COURT C/O CALAMOS ADVISORS LLC NAPERVILLE 60563 630-245-7200 Calamos Phineus Long/Short Fund S000052577 549300I27XACB1YRF538 2025-10-31 2025-04-30 N 1448314891.07 437958593.43 1010356297.64 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 483491871.32000000 UST S&P 500 SP500 US Global Jets ETF 549300UL07KE1VGTTL75 26922A842 940000.00000000 NS USD 18630800.00000000 1.843983161535 Long EC RF US N 1 N N MORGAN STANLEY PRIME BROKER CA N/A 000000000 -389.58000000 NS -282.59000000 -0.00002796934 Short STIV CORP CA N 1 N N N SPDR S&P 500 ETF Trust 549300NZAMSJ8FXPQQ63 78462F103 -570500.00000000 NS USD -316365070.00000000 -31.3122282445 Short EC RF US N 1 N N N L3Harris Technologies Inc 549300UTE50ZMDBG8A20 502431109 185000.00000000 NS USD 40703700.00000000 4.028648120972 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -3916.00000000 NC USD -362230.00000000 -0.03585170903 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Written Wells Fargo & Co. Wells Fargo & Co. 100.00000000 62.50000000 USD 2025-06-20 XXXX -45153.17000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 2710.00000000 NC USD 55555.00000000 0.005498555324 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Purchased Alphabet, Inc. Alphabet, Inc. 100.00000000 150.00000000 USD 2025-05-02 XXXX -1382121.00000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 2380.00000000 NC USD 205870.00000000 0.020375980283 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Purchased 3M Co. 3M Co. 100.00000000 130.00000000 USD 2025-05-16 XXXX -396338.43000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 5500.00000000 NC USD 3591500.00000000 0.355468660747 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Purchased SPDR S&P 500 ETF Trust SPDR S&P 500 ETF Trust 100.00000000 560.00000000 USD 2025-05-02 XXXX -874654.28000000 N N N Union Pacific Corp 549300LMMRSZZCZ8CL11 907818108 104500.00000000 NS USD 22536470.00000000 2.230546793506 Long EC CORP US N 1 N N N BAE Systems PLC 8SVCSVKSGDWMW2QHOH83 000000000 1013000.00000000 NS 23484011.59000000 2.324329708722 Long EC CORP GB N 2 N N N UnitedHealth Group Inc 549300GHBMY8T5GXDE41 91324P102 66500.00000000 NS USD 27360760.00000000 2.708030826739 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 1200.00000000 NC USD 13200.00000000 0.001306469809 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Purchased Boeing Co. Boeing Co. 100.00000000 170.00000000 USD 2025-05-02 XXXX -135055.50000000 N N N Wells Fargo & Co PBLD0EJDB5FWOLXP3B76 949746101 293800.00000000 NS USD 20862738.00000000 2.064889192924 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -1040.00000000 NC USD -309400.00000000 -0.03062286054 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Written Amazon.com, Inc. Amazon.com, Inc. 100.00000000 160.00000000 USD 2025-06-20 XXXX -25517.86000000 N N N Deutsche Lufthansa AG 529900PH63HYJ86ASW55 000000000 689000.00000000 NS 4950907.67000000 0.490016015297 Long EC CORP DE N 2 N N N Palo Alto Networks Inc 549300QXR2YVZV231H43 697435105 -55000.00000000 NS USD -10281150.00000000 -1.01757667310 Short EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 1040.00000000 NC USD 204360.00000000 0.020226528055 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Purchased Amazon.com, Inc. Amazon.com, Inc. 100.00000000 195.00000000 USD 2025-05-02 XXXX -135749.90000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 4950.00000000 NC USD 11026125.00000000 1.091310562991 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Purchased SPDR S&P 500 ETF Trust SPDR S&P 500 ETF Trust 100.00000000 540.00000000 USD 2025-05-16 XXXX 5988889.41000000 N N N 3M Co LUZQVYP4VS22CLWDAR65 88579Y101 238000.00000000 NS USD 33060580.00000000 3.272170429107 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 7740.00000000 NC USD 1130040.00000000 0.111845692716 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Purchased Pinterest, Inc. Pinterest, Inc. 100.00000000 24.00000000 USD 2025-05-16 XXXX 113338.75000000 N N N State Street Global Advisors 5493008BJIBKQ5KTIF74 857509301 41639965.75000000 NS USD 41639965.75000000 4.121315010087 Long STIV RF US N 1 N N RTX Corp I07WOS4YJ0N7YRFE7309 75513E101 -95000.00000000 NS USD -11982350.00000000 -1.18595291858 Short EC CORP US N 1 N N N Marriott International Inc/MD 225YDZ14ZO8E1TXUSU86 571903202 102500.00000000 NS USD 24454450.00000000 2.420378836369 Long EC CORP US N 1 N N N BILL Holdings Inc 549300IBF9VZZIGOZW63 090043100 338000.00000000 NS USD 15402660.00000000 1.524478051552 Long EC CORP US N 1 N N Alphabet Inc 5493006MHB84DD0ZWV18 02079K305 271000.00000000 NS USD 43034800.00000000 4.259368709881 Long EC CORP US N 1 N N N GBP CASH HELD AT MS N/A 000000000 -13.20000000 NS -17.59000000 -0.00000174096 Short STIV CORP GB N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -780.00000000 NC USD -518700.00000000 -0.05133832502 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Microsoft Corp. Microsoft Corp. 100.00000000 430.00000000 USD 2025-07-18 XXXX -191878.80000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -2938.00000000 NC USD -465673.00000000 -0.04608997846 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Wells Fargo & Co. Wells Fargo & Co. 100.00000000 75.00000000 USD 2025-06-20 XXXX -127942.86000000 N N N Zimmer Biomet Holdings Inc 2P2YLDVPES3BXQ1FRB91 98956P102 353000.00000000 NS USD 36376650.00000000 3.600378409573 Long EC CORP US N 1 N N N Celestica Inc 549300J3CG5T6RZWLN53 15101Q207 116000.00000000 NS USD 9900600.00000000 0.979911742335 Long EC CORP CA N 1 N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 400.00000000 NC USD 13000.00000000 0.001286674812 N/A DE DE N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Purchased SAP SE SAP SE 100.00000000 250.00000000 USD 2025-05-16 XXXX -286142.18000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 2500.00000000 NC USD 206250.00000000 0.020413590778 N/A DE CA N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Purchased Celestica, Inc. Celestica, Inc. 100.00000000 100.00000000 USD 2025-05-16 XXXX -1238421.13000000 N N N Microsoft Corp INR2EJN1ERAN0W5ZP974 594918104 116500.00000000 NS USD 46047790.00000000 4.557579351715 Long EC CORP US N 1 N N N IQVIA Holdings Inc 549300W3R20NM4KQPH86 46266C105 110000.00000000 NS USD 17057700.00000000 1.688285611703 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 780.00000000 NC USD 129480.00000000 0.012815281134 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Purchased Microsoft Corp. Microsoft Corp. 100.00000000 370.00000000 USD 2025-05-02 XXXX -616822.09000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -3560.00000000 NC USD -352440.00000000 -0.03488274392 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Written Reddit, Inc. Reddit, Inc. 100.00000000 60.00000000 USD 2025-07-18 XXXX 152321.54000000 N N N Constellation Brands Inc 5493005GKEG8QCVY7037 21036P108 109500.00000000 NS USD 20535630.00000000 2.032513683337 Long EC CORP US N 1 N N N NVIDIA Corp 549300S4KLFTLO7GSQ80 67066G104 312000.00000000 NS USD 33983040.00000000 3.363470894314 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 1780.00000000 NC USD 333750.00000000 0.033032901440 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Purchased Reddit, Inc. Reddit, Inc. 100.00000000 100.00000000 USD 2025-05-02 XXXX -446269.59000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -3295.00000000 NC USD -1408612.50000000 -0.13941740188 N/A DE TW N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Taiwan Semiconductor Manufacturing Co. Ltd. Taiwan Semiconductor Manufacturing Co. Ltd. 100.00000000 180.00000000 USD 2025-06-20 XXXX -760309.97000000 N N N Apple Inc HWUPKR0MPOU8FGXBT394 037833100 -93000.00000000 NS USD -19762500.00000000 -1.95599315272 Short EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -1850.00000000 NC USD -212750.00000000 -0.02105692818 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Written L3Harris Technologies, Inc. L3Harris Technologies, Inc. 100.00000000 190.00000000 USD 2025-06-20 XXXX 211399.16000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -5500.00000000 NC USD -3899500.00000000 -0.38595295630 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written SPDR S&P 500 ETF Trust SPDR S&P 500 ETF Trust 100.00000000 590.00000000 USD 2025-07-18 XXXX -2089797.91000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 1850.00000000 NC USD 272875.00000000 0.027007799192 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Purchased L3Harris Technologies, Inc. L3Harris Technologies, Inc. 100.00000000 210.00000000 USD 2025-05-16 XXXX -659663.85000000 N N N Booz Allen Hamilton Holding Corp 529900JPV47PIUWMA015 099502106 216000.00000000 NS USD 25924320.00000000 2.565859198438 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -1010.00000000 NC USD -79790.00000000 -0.00789721410 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Walmart, Inc. Walmart, Inc. 100.00000000 99.00000000 USD 2025-05-09 XXXX 26836.96000000 N N N Reddit Inc N/A 75734B100 178000.00000000 NS USD 20749460.00000000 2.053677504506 Long EC CORP US N 1 N N N Canadian Pacific Kansas City Ltd N/A 13646K108 400000.00000000 NS USD 28988000.00000000 2.869086882291 Long EC CORP CA N 1 N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 1500.00000000 NC USD 746250.00000000 0.073860082996 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Purchased Wells Fargo & Co. Wells Fargo & Co. 100.00000000 66.00000000 USD 2025-05-02 XXXX 504852.52000000 N N N Flex Ltd 549300EAQH74YHD07T53 000000000 607000.00000000 NS USD 20844380.00000000 2.063072210138 Long EC CORP SG N 1 N N N ServiceNow Inc 549300HJTQM36M0E1G39 81762P102 12500.00000000 NS USD 11937625.00000000 1.181526262357 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 1975.00000000 NC USD 1930562.50000000 0.191077395618 N/A DE TW N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Purchased Taiwan Semiconductor Manufacturing Co. Ltd. Taiwan Semiconductor Manufacturing Co. Ltd. 100.00000000 160.00000000 USD 2025-05-16 XXXX 1039221.40000000 N N N Fabrinet 5493004TETZ6IYF7CV44 000000000 126500.00000000 NS USD 25940090.00000000 2.567420033961 Long EC CORP KY N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -1250.00000000 NC USD -87500.00000000 -0.00866031123 N/A DE CA N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Celestica, Inc. Celestica, Inc. 100.00000000 120.00000000 USD 2025-06-20 XXXX 300315.83000000 N N N Oracle Corp 1Z4GXXU7ZHVWFCD8TV52 68389X105 197500.00000000 NS USD 27792200.00000000 2.750732594523 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -9070.00000000 NC USD -784555.00000000 -0.07765131981 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written SPDR S&P Regional Banking ETF SPDR S&P Regional Banking ETF 100.00000000 54.50000000 USD 2025-05-02 XXXX -412956.36000000 N N N Boeing Co/The RVHJWBXLJ1RFUBSY1F30 097023105 316000.00000000 NS USD 57903840.00000000 5.731031729623 Long EC CORP US N 1 N N N MKS Instruments Inc 549300KEQATBHAGVF505 55306N104 95500.00000000 NS USD 6698370.00000000 0.662971074228 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -1130.00000000 NC USD -121475.00000000 -0.01202298637 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Bill Holdings, Inc. Bill Holdings, Inc. 100.00000000 46.50000000 USD 2025-05-02 XXXX -15288.90000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 2800.00000000 NC USD 198800.00000000 0.019676227135 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Purchased SPDR S&P 500 ETF Trust SPDR S&P 500 ETF Trust 100.00000000 540.00000000 USD 2025-05-02 XXXX -1164544.78000000 N N N Datadog Inc 549300F6JNO0KRPO1K63 23804L103 90000.00000000 NS USD 9194400.00000000 0.910015607511 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 2600.00000000 NC USD 71500.00000000 0.007076711469 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Purchased Sysco Corp. Sysco Corp. 100.00000000 75.00000000 USD 2025-05-16 XXXX -266453.07000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -2800.00000000 NC USD -16800.00000000 -0.00166277975 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Written SPDR S&P 500 ETF Trust SPDR S&P 500 ETF Trust 100.00000000 520.00000000 USD 2025-05-02 XXXX 312197.87000000 N N N Morgan Stanley IGJSJL3JD5P30I6NJZ34 617446448 223000.00000000 NS USD 25738660.00000000 2.547483502613 Long EC CORP US N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -600.00000000 NC USD -735000.00000000 -0.07274661440 N/A DE DE N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written SAP SE SAP SE 100.00000000 290.00000000 USD 2025-06-20 XXXX -465119.95000000 N N N SPDR S&P Regional Banking ETF 549300EFWJBKUN6WJX52 78464A698 907000.00000000 NS USD 49095910.00000000 4.859266984793 Long EC RF US N 1 N N CACI International Inc SYRPI2D1O9WRTS2WX210 127190304 61000.00000000 NS USD 27930070.00000000 2.764378275786 Long EC CORP US N 1 N N Pinterest Inc N/A 72352L106 774000.00000000 NS USD 19597680.00000000 1.939680095603 Long EC CORP US N 1 N N N United Airlines Holdings Inc 98450079DA0B78DD6764 910047109 343450.00000000 NS USD 23636229.00000000 2.339395424684 Long EC CORP US N 1 N N N EUR CASH AT MERRILL LYNCH N/A 989VYA909 18027.31000000 NS 20422.25000000 0.002021291899 Long STIV CORP NL N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -2380.00000000 NC USD -153510.00000000 -0.01519365003 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Written 3M Co. 3M Co. 100.00000000 115.00000000 USD 2025-06-20 XXXX 167712.50000000 N N N Taiwan Semiconductor Manufacturing Co Ltd 549300KB6NK5SBD14S87 874039100 197500.00000000 NS USD 32921275.00000000 3.258382718739 Long EC CORP TW N 1 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -515.00000000 NC USD -217587.50000000 -0.02153571967 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Written UnitedHealth Group, Inc. UnitedHealth Group, Inc. 100.00000000 390.00000000 USD 2025-05-16 XXXX 81426.99000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -1200.00000000 NC USD -1602000.00000000 -0.15855792691 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Boeing Co. Boeing Co. 100.00000000 170.00000000 USD 2025-05-02 XXXX -1310442.68000000 N N N Eurex Deutschland 529900LN3S50JPU47S06 000000000 12000.00000000 NC 67971.03000000 0.006727431714 N/A DE DE N 1 Eurex Deutschland 529900LN3S50JPU47S06 Call Purchased Deutsche Lufthansa AG Deutsche Lufthansa AG 100.00000000 7.00000000 EUR 2025-06-20 XXXX -270824.80000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -2710.00000000 NC USD -296745.00000000 -0.02937033209 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written Alphabet, Inc. Alphabet, Inc. 100.00000000 180.00000000 USD 2025-06-20 XXXX -28431.33000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 1690.00000000 NC USD 477425.00000000 0.047253132495 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Purchased Bill Holdings, Inc. Bill Holdings, Inc. 100.00000000 43.00000000 USD 2025-05-09 XXXX 40852.45000000 N N N Amazon.com Inc ZXTILKJKG63JELOEG630 023135106 153000.00000000 NS USD 28216260.00000000 2.792703926912 Long EC CORP US N 1 N N N Eurex Deutschland 529900LN3S50JPU47S06 000000000 -12000.00000000 NC -509782.73000000 -0.05045573835 N/A DE DE N 1 Eurex Deutschland 529900LN3S50JPU47S06 Put Written Deutsche Lufthansa AG Deutsche Lufthansa AG 100.00000000 6.20000000 EUR 2025-06-20 XXXX -147419.62000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -2380.00000000 NC USD -216580.00000000 -0.02143600237 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written 3M Co. 3M Co. 100.00000000 155.00000000 USD 2025-06-20 XXXX 66563.56000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -2800.00000000 NC USD -396200.00000000 -0.03921388929 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Call Written SPDR S&P 500 ETF Trust SPDR S&P 500 ETF Trust 100.00000000 565.00000000 USD 2025-05-02 XXXX -108047.64000000 N N N Options Clearing Corp. 549300CII6SLYGKNHA04 000000000 -6550.00000000 NC USD -3641800.00000000 -0.36044710252 N/A DE US N 1 Options Clearing Corp. 549300CII6SLYGKNHA04 Put Written SPDR S&P 500 ETF Trust SPDR S&P 500 ETF Trust 100.00000000 470.00000000 USD 2025-08-15 XXXX 6616030.23000000 N N N 2025-05-19 CALAMOS INVESTMENT TRUST/IL Stephen Atkins Stephen Atkins Treasurer