← All Mutual Funds

LORD ABBETT DEVELOPING GROWTH FUND, INC.

CIK: 0000276914 Equity
Report date: 2026-03-30
AUM $2.0B
Expense Ratio
Category Equity
State MD
Fiscal Year End
Inception Date
Manager
Latest Filing 2026-03-30

Holdings

From latest SEC N-PORT filing · US-listed stocks only

66 positions
# Security Name CUSIP Asset Type Weight % Value ($M) Quantity
1 AVAV AeroVironment Inc Since 2026-05-10 008073108 Equity (Common)
0.87%
$17.69 63,556
2 AGYS Agilysys Inc Since 2026-05-10 00847J105 Equity (Common)
0.34%
$6.95 80,151
3 AMKR Amkor Technology Inc Since 2026-05-10 031652100 Equity (Common)
0.47%
$9.49 196,310
4 ACLX Arcellx Inc Since 2026-05-10 03940C100 Equity (Common)
0.82%
$16.57 242,517
5 AGX Argan Inc Since 2026-05-10 04010E109 Equity (Common)
0.56%
$11.38 32,799
6 ALAB Astera Labs Inc Since 2026-05-10 04626A103 Equity (Common)
0.93%
$18.85 125,138
7 BELFB Bel Fuse Inc Since 2026-05-10 077347300 Equity (Common)
0.53%
$10.81 53,756
8 BOOT Boot Barn Holdings Inc Since 2026-05-10 099406100 Equity (Common)
0.74%
$15.07 84,436
9 BBIO Bridgebio Pharma Inc Since 2026-05-10 10806X102 Equity (Common)
2.11%
$42.87 554,755
10 CECO CECO Environmental Corp Since 2026-05-10 125141101 Equity (Common)
0.52%
$10.64 157,848
11 CALX Calix Inc Since 2026-05-10 13100M509 Equity (Common)
1.03%
$20.90 467,821
12 CELC Celcuity Inc Since 2026-05-10 15102K100 Equity (Common)
0.79%
$15.95 145,799
13 CELH Celsius Holdings Inc Since 2026-05-10 15118V207 Equity (Common)
0.92%
$18.66 355,606
14 CGON CG oncology Inc Since 2026-05-10 156944100 Equity (Common)
0.74%
$15.05 289,171
15 COGT Cogent Biosciences Inc Since 2026-05-10 19240Q201 Equity (Common)
1.17%
$23.83 663,487
16 FIX Comfort Systems USA Inc Since 2026-05-10 199908104 Equity (Common)
3.06%
$62.20 54,458
17 ROAD Construction Partners Inc Since 2026-05-10 21044C107 Equity (Common)
1.70%
$34.55 314,421
18 BROS Dutch Bros Inc Since 2026-05-10 26701L100 Equity (Common)
0.47%
$9.58 176,097
19 QBTS D-Wave Quantum Inc Since 2026-05-10 26740W109 Equity (Common)
0.84%
$17.13 807,127
20 EVR Evercore Inc Since 2026-05-10 29977A105 Equity (Common)
1.22%
$24.70 69,906
21 FIGR Figure Technology Solutions Inc Since 2026-05-10 349381103 Equity (Common)
1.13%
$23.02 404,670
22 GH Guardant Health Inc Since 2026-05-10 40131M109 Equity (Common)
3.68%
$74.78 655,744
23 HTFL HeartFlow Inc Since 2026-05-10 42238D107 Equity (Common)
0.59%
$12.09 404,576
24 HNGE Hinge Health Inc Since 2026-05-10 433313103 Equity (Common)
0.74%
$15.00 429,764
25 HUT Hut 8 Corp Since 2026-05-10 44812J104 Equity (Common)
0.48%
$9.79 175,403
26 IESC IES Holdings Inc Since 2026-05-10 44951W106 Equity (Common)
1.16%
$23.64 62,154
27 IRTC IRhythm Holdings Inc Since 2026-05-10 450056106 Equity (Common)
1.49%
$30.23 195,651
28 KRMN Karman Holdings Inc Since 2026-05-10 485924104 Equity (Common)
2.27%
$46.06 443,732
29 KTOS Kratos Defense & Security Solutions Inc Since 2026-05-10 50077B207 Equity (Common)
1.68%
$34.09 330,915
30 LTH Life Time Group Holdings Inc Since 2026-05-10 53190C102 Equity (Common)
0.55%
$11.24 385,225
31 LOAR Loar Holdings Inc Since 2026-05-10 53947R105 Equity (Common)
0.49%
$9.93 144,729
32 LYFT Lyft Inc Since 2026-05-10 55087P104 Equity (Common)
0.85%
$17.18 1,018,540
33 MKSI MKS Inc Since 2026-05-10 55306N104 Equity (Common)
0.98%
$19.87 84,419
34 MP MP Materials Corp Since 2026-05-10 553368101 Equity (Common)
0.48%
$9.72 165,432
35 MTSI MACOM Technology Solutions Holdings Inc Since 2026-05-10 55405Y100 Equity (Common)
1.75%
$35.59 162,463
36 MDGL Madrigal Pharmaceuticals Inc Since 2026-05-10 558868105 Equity (Common)
1.98%
$40.17 82,089
37 MRCY Mercury Systems Inc Since 2026-05-10 589378108 Equity (Common)
1.50%
$30.54 325,284
38 MIAX Miami International Holdings Inc Since 2026-05-10 59356Q108 Equity (Common)
0.72%
$14.62 350,296
39 MIR Mirion Technologies Inc Since 2026-05-10 60471A101 Equity (Common)
1.54%
$31.29 1,259,667
40 MIRM Mirum Pharmaceuticals Inc Since 2026-05-10 604749101 Equity (Common)
1.34%
$27.18 263,316
41 NTRA Natera Inc Since 2026-05-10 632307104 Equity (Common)
1.25%
$25.41 109,940
42 NXT Nextpower Inc Since 2026-05-10 65290E101 Equity (Common)
1.92%
$38.98 332,877
43 NUVL Nuvalent Inc Since 2026-05-10 670703107 Equity (Common)
0.72%
$14.62 142,107
44 PTCT PTC Therapeutics Inc Since 2026-05-10 69366J200 Equity (Common)
1.23%
$25.00 330,938
45 PLNT Planet Fitness Inc Since 2026-05-10 72703H101 Equity (Common)
1.25%
$25.30 277,890
46 RMBS Rambus Inc Since 2026-05-10 750917106 Equity (Common)
1.92%
$39.02 342,828
47 RDDT Reddit Inc Since 2026-05-10 75734B100 Equity (Common)
1.47%
$29.85 165,563
48 RVMD Revolution Medicines Inc Since 2026-05-10 76155X100 Equity (Common)
0.45%
$9.20 94,855
49 RYTM Rhythm Pharmaceuticals Inc Since 2026-05-10 76243J105 Equity (Common)
1.02%
$20.66 201,474
50 RBRK Rubrik Inc Since 2026-05-10 781154109 Equity (Common)
0.39%
$7.95 142,130
51 WGS GeneDx Holdings Corp Since 2026-05-10 81663L200 Equity (Common)
1.33%
$27.01 280,558
52 TTAN ServiceTitan Inc Since 2026-05-10 81764X103 Equity (Common)
0.65%
$13.18 168,213
53 STRL Sterling Infrastructure Inc Since 2026-05-10 859241101 Equity (Common)
1.48%
$30.02 83,887
54 TARS Tarsus Pharmaceuticals Inc Since 2026-05-10 87650L103 Equity (Common)
1.33%
$27.11 420,038
55 TERN Terns Pharmaceuticals Inc Since 2026-05-10 880881107 Equity (Common)
1.29%
$26.17 756,230
56 TMDX TransMedics Group Inc Since 2026-05-10 89377M109 Equity (Common)
0.76%
$15.50 115,709
57 U Unity Software Inc Since 2026-05-10 91332U101 Equity (Common)
1.06%
$21.45 737,123
58 WLDN Willdan Group Inc Since 2026-05-10 96924N100 Equity (Common)
0.51%
$10.32 81,815
59 WWD Woodward Inc Since 2026-05-10 980745103 Equity (Common)
1.19%
$24.26 76,333
60 XMTR Xometry Inc Since 2026-05-10 98423F109 Equity (Common)
1.16%
$23.66 414,107
61 YSS York Space Systems Inc Since 2026-05-10 987084100 Equity (Common)
0.15%
$3.05 89,886
62 CRDO Credo Technology Group Holding Ltd Since 2026-05-10 Equity (Common)
2.29%
$46.56 371,644
63 FN Fabrinet Since 2026-05-10 Equity (Common)
1.75%
$35.45 72,429
64 FTAI FTAI Aviation Ltd Since 2026-05-10 Equity (Common)
0.99%
$20.08 73,746
65 FROG JFrog Ltd Since 2026-05-10 Equity (Common)
1.21%
$24.66 450,076
66 NVMI Nova Ltd Since 2026-05-10 Equity (Common)
2.26%
$45.91 100,273