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Holdings (Monthly) Guide ↗

Lord Abbett Micro-Cap Growth Fund

· Lord Abbett Securities Trust
Monthly Holdings $210M AUM 77 positions Period Jan 2026 Filed Mar 30, 2026 EDGAR ↗ ← All Funds
# Name Ticker Since Shares Value % Port Cat
1 Fidelity Investments 31607A703 Apr 2024 20,659,615 $20.7M 11.09% STIV
2 Cogent Biosciences Inc 19240Q201 Jan 2026 189,571 $6.8M 3.65% EC
3 Adaptive Biotechnologies Corp 00650F109 Jan 2026 331,189 $6.1M 3.29% EC
4 Celcuity Inc 15102K100 Jan 2026 49,989 $5.5M 2.93% EC
5 Applied Digital Corp 038169207 Jan 2026 157,350 $5.3M 2.86% EC
6 Willdan Group Inc 96924N100 Jan 2026 40,322 $5.1M 2.73% EC
7 Mirum Pharmaceuticals Inc 604749101 Jan 2026 48,388 $5.0M 2.68% EC
8 Primoris Services Corp 74164F103 Apr 2024 30,905 $4.6M 2.46% EC
9 Tarsus Pharmaceuticals Inc 87650L103 Apr 2024 69,486 $4.5M 2.41% EC
10 Centrus Energy Corp 15643U104 Jan 2026 15,012 $4.2M 2.24% EC
11 Terns Pharmaceuticals Inc 880881107 Jan 2026 119,779 $4.1M 2.22% EC
12 Terawulf Inc 88080T104 Jan 2026 300,170 $4.0M 2.15% EC
13 Mercury Systems Inc 589378108 Jan 2026 41,461 $3.9M 2.09% EC
14 Artivion Inc 228903100 Jan 2026 94,563 $3.9M 2.07% EC
15 TAT Technologies Ltd 000000000 Apr 2024 74,497 $3.8M 2.03% EC
16 CECO Environmental Corp 125141101 Jan 2026 56,025 $3.8M 2.03% EC
17 Xometry Inc 98423F109 Jan 2026 64,848 $3.7M 1.99% EC
18 VSE Corp 918284100 Jan 2026 16,170 $3.5M 1.90% EC
19 Bel Fuse Inc 077347300 Jan 2026 16,807 $3.4M 1.81% EC
20 Sterling Infrastructure Inc 859241101 Apr 2024 9,323 $3.3M 1.79% EC
21 PTC Therapeutics Inc 69366J200 Jan 2026 43,589 $3.3M 1.77% EC
22 Vita Coco Co Inc/The 92846Q107 Jan 2026 58,692 $3.1M 1.68% EC
23 Rhythm Pharmaceuticals Inc 76243J105 Apr 2024 29,959 $3.1M 1.65% EC
24 GeneDx Holdings Corp 81663L200 Jan 2026 31,584 $3.0M 1.63% EC
25 OSI Systems Inc 671044105 Apr 2024 11,846 $3.0M 1.59% EC
26 Pattern Group Inc 70339W104 Jan 2026 210,623 $2.9M 1.56% EC
27 nLight Inc 65487K100 Jan 2026 63,372 $2.9M 1.55% EC
28 Paymentus Holdings Inc 70439P108 Apr 2024 102,384 $2.7M 1.47% EC
29 Piper Sandler Cos 724078100 Apr 2024 7,900 $2.7M 1.47% EC
30 Praxis Precision Medicines Inc 74006W207 Jan 2026 8,553 $2.7M 1.44% EC
31 Cardinal Infrastructure Group Inc 14154A102 Jan 2026 106,377 $2.7M 1.44% EC
32 Calix Inc 13100M509 Jan 2026 59,088 $2.6M 1.42% EC
33 Mineralys Therapeutics Inc 603170101 Jan 2026 84,656 $2.6M 1.40% EC
34 Standex International Corp 854231107 Jan 2026 10,733 $2.6M 1.38% EC
35 Lindblad Expeditions Holdings Inc 535219109 Jan 2026 154,484 $2.6M 1.38% EC
36 Huron Consulting Group Inc 447462102 Jan 2026 14,352 $2.4M 1.30% EC
37 Citibank NA 000000000 Apr 2024 2,295,513 $2.3M 1.23% STIV
38 Agilysys Inc 00847J105 Apr 2024 25,684 $2.2M 1.20% EC
39 Universal Technical Institute Inc 913915104 Jan 2026 79,045 $2.2M 1.18% EC
40 Lincoln Educational Services Corp 533535100 Jan 2026 81,899 $2.2M 1.17% EC
41 Fixed Income Clearing Corp 000000000 Apr 2024 2,142,670 $2.1M 1.15% RA
42 Legence Corp 52476L109 Jan 2026 45,585 $2.1M 1.15% EC
43 Gilat Satellite Networks Ltd 000000000 Apr 2024 107,596 $2.1M 1.11% EC
44 BlackSky Technology Inc 09263B207 Jan 2026 92,596 $2.0M 1.10% EC
45 Miami International Holdings Inc 59356Q108 Jan 2026 46,350 $1.9M 1.04% EC
46 Arcellx Inc 03940C100 Apr 2024 28,015 $1.9M 1.03% EC
47 TransMedics Group Inc 89377M109 Apr 2024 14,110 $1.9M 1.01% EC
48 Ouster Inc 68989M202 Jan 2026 90,483 $1.9M 1.01% EC
49 CG oncology Inc 156944100 Jan 2026 33,821 $1.8M 0.94% EC
50 HeartFlow Inc 42238D107 Jan 2026 58,380 $1.7M 0.94% EC
51 Dave Inc 23834J201 Jan 2026 10,523 $1.7M 0.92% EC
52 IMAX Corp 45245E109 Jan 2026 49,269 $1.7M 0.92% EC
53 AAR Corp 000361105 Jan 2026 15,537 $1.6M 0.88% EC
54 ORIC Pharmaceuticals Inc 68622P109 Jan 2026 153,981 $1.6M 0.85% EC
55 Sphere Entertainment Co 55826T102 Jan 2026 15,980 $1.5M 0.82% EC
56 Ambarella Inc 000000000 Apr 2024 21,755 $1.4M 0.75% EC
57 Omada Health Inc 68170A108 Jan 2026 90,255 $1.3M 0.72% EC
58 Kestra Medical Technologies Ltd 000000000 Apr 2024 53,754 $1.3M 0.71% EC
59 Arlo Technologies Inc 04206A101 Apr 2024 104,403 $1.3M 0.71% EC
60 Newamsterdam Pharma Co NV 000000000 Apr 2024 40,034 $1.2M 0.67% EC
61 Red Violet Inc 75704L104 Jan 2026 27,393 $1.2M 0.67% EC
62 Beta Bionics Inc 08659B102 Jan 2026 87,326 $1.2M 0.65% EC
63 Powell Industries Inc 739128106 Jan 2026 2,677 $1.2M 0.64% EC
64 Travere Therapeutics Inc 89422G107 Jan 2026 37,867 $1.2M 0.63% EC
65 Billiontoone Inc 090168105 Jan 2026 13,130 $1.1M 0.58% EC
66 ThredUp Inc 88556E102 Jan 2026 208,395 $1.1M 0.57% EC
67 Argan Inc 04010E109 Jan 2026 3,008 $1.0M 0.56% EC
68 Innodata Inc 457642205 Jan 2026 18,150 $1.0M 0.54% EC
69 Chefs' Warehouse Inc/The 163086101 Jan 2026 15,618 $982K 0.53% EC
70 Ceribell Inc 15678C102 Jan 2026 45,890 $946K 0.51% EC
71 Warby Parker Inc 93403J106 Jan 2026 36,228 $924K 0.50% EC
72 Hinge Health Inc 433313103 Jan 2026 24,374 $851K 0.46% EC
73 Neptune Insurance Holdings Inc 64073B103 Jan 2026 31,435 $802K 0.43% EC
74 Zeta Global Holdings Corp 98956A105 Apr 2024 41,773 $776K 0.42% EC
75 Grid Dynamics Holdings Inc 39813G109 Apr 2024 93,831 $776K 0.42% EC
76 D-Wave Quantum Inc 26740W109 Jan 2026 34,230 $726K 0.39% EC
77 Black Rock Coffee Bar Inc 092244102 Jan 2026 24,736 $369K 0.20% EC