NPORT-P false 0000898031 XXXXXXXX S000007139 C000155671 C000054925 C000155672 C000054927 C000184531 C000054926 C000019521 C000019522 C000155670 C000019524 LORD ABBETT SECURITIES TRUST 811-07538 0000898031 5493002HV0D15KTWO412 90 HUDSON STREET JERSEY CITY 07302 201-827-2000 Lord Abbett Alpha Strategy Fund S000007139 549300SWW68LOHCN3898 2023-10-31 2023-07-31 N 650853407.30 519327.50 650334079.80 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 0.00000000 N Lord Abbett Micro Cap Growth Fund 549300VL8AMXUES9JL76 54400V104 3479971.95000000 NS USD 63857485.19000000 9.819181736506 Long EC RF US N 1 N N N Lord Abbett International Opportunities Fund DJROU6QIURETNZO2HV24 543915813 6763836.00000000 NS USD 127363031.86000000 19.58424689955 Long EC RF US N 1 N N N Lord Abbett Focused Small Cap Value Fund 549300TBYNRWTGRQG753 54400W102 2385444.97000000 NS USD 67174130.41000000 10.32917272775 Long EC RF US N 1 N N N Lord Abbett Value Opportunities Fund 549300DSLIHMAFWXRD49 54400A506 7134325.03000000 NS USD 131913669.73000000 20.28398538956 Long EC RF US N 1 N N N Lord Abbett Small Cap Value Fund 5493007UOPFNCNRUAX11 543913800 6766624.12000000 NS USD 131949170.32000000 20.28944421313 Long EC RF US N 1 N N N Lord Abbett Developing Growth Fund Inc 549300HWJ2W28SDTJF85 544006505 5059476.43000000 NS USD 127954159.02000000 19.67514282187 Long EC RF US N 1 N N N Fixed Income Clearing Corp 549300H47WTHXPU08X20 000000000 486651.42000000 PA USD 486651.42000000 0.074830988428 Long RA CORP US N 2 Repurchase N 2.80000000 2023-08-01 580500.00000000 USD 496440.88000000 USD UST N N N 2023-08-28 LORD ABBETT SECURITIES TRUST Michael Hebert Michael Hebert Chief Financial Officer XXXX