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Lord Abbett Developing Growth Fund Inc

Filed by Lord Abbett Developing Growth Fund, Inc.. What this fund reported holding in its latest quarterly NPORT-P. Positions are ordered by share of the fund rather than by size, because that is what separates a conviction from a rounding error.

Positions
41
matched to a ticker
Fund size
$2.3B
the filing's own figure
Matched value
$977.7M
of the positions below
As of
2026-07-31
S000006834

What it holds

Largest share of the fund first.

Company% of fundValue
GHGuardant Health Inc2.95%$65.6M
COGTCogent Biosciences Inc1.85%$41.2M
AGXArgan Inc1.79%$39.7M
LSCCLattice Semiconductor Corp1.71%$38.1M
BELFBBel Fuse Inc1.54%$34.1M
STRLSterling Infrastructure Inc1.52%$33.7M
MDGLMadrigal Pharmaceuticals Inc1.50%$33.3M
LFUSLittelfuse Inc1.48%$32.9M
FIXComfort Systems USA Inc1.35%$30M
ROADConstruction Partners Inc1.34%$29.7M
LGNLegence Corp1.33%$29.6M
IMAXImax Corp1.32%$29.4M
BBIOBridgeBio Pharma Inc1.28%$28.5M
MOG.AMoog Inc1.22%$27.2M
MTSIMACOM Technology Solutions Holdings Inc1.22%$27.2M
SMTCSemtech Corp1.21%$27M
SPXCSPX Technologies Inc1.18%$26.2M
CRSCarpenter Technology Corp1.13%$25.1M
COCOVita Coco Company Inc1.12%$24.9M
VSECVSE Corp1.09%$24.1M
PRAXPraxis Precision Medicines Inc1.06%$23.6M
RBCRBC Bearings Inc1.04%$23.2M
SAIASaia Inc1.02%$22.7M
ARWRArrowhead Pharmaceuticals Inc0.95%$21.1M
SPHRSphere Entertainment Co0.92%$20.4M
CGNXCognex Corp0.91%$20.2M
MIAXMiami International Holdings Inc0.90%$20.1M
CECOCECO Environmental Corp0.89%$19.7M
YOUClear Secure Inc0.86%$19.1M
MKSIMKS Incorporated0.85%$18.8M
KRYSKrystal Biotech Inc0.80%$17.8M
ALGMAllegro Microsystems Inc0.75%$16.6M
ALABAstera Labs, Inc0.60%$13.3M
TWSTTwist Bioscience Corp0.57%$12.6M
AXSMAxsome Therapeutics Inc0.55%$12.1M
TTANServiceTitan Inc0.54%$12.1M
LSTRLandstar System Inc0.50%$11.1M
RMBSRambus Inc0.50%$11M
MTZMasTec Inc0.47%$10.4M
PLPlanet Labs PBC0.11%$2.4M
AMKRAmkor Technology Inc0.08%$1.9M

Source: NPORT-P filings, via EDGAR. Positions arrive by CUSIP, and only a CUSIP verified against a ticker is kept — so this is what we could match, not everything the fund holds, and the matched value is therefore below the fund's own size. A balance is shares where the filing says `NS` and a principal amount where it says `PA`, which is why it is not labelled shares in both cases.

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