LADPX — Lord Abbett Developing Growth Fund INC
Data updated: 2026-06-29
LADPX — Lord Abbett Developing Growth Fund INC data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Mid Cap Growth Equity · $2.22B AUM · 1.14% expense ratio · 56.2% 1-yr return. From SEC regulatory filings.
LADPX Fund Overview
LADPX — Lord Abbett Developing Growth Fund INC is a US mutual fund managed by Lord Abbett Developing Growth Fund, Inc., categorised as United States Mid Cap Growth Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Lord Abbett Developing Growth Fund, Inc.
- Category: United States Mid Cap Growth Equity
- Assets under management: $2.22B
- 1-year return: 56.2%
- Ticker: LADPX
- SEC CIK: 0000276914
- SEC series ID: S000006834
- Share class ID: C000018476
LADPX Holdings
Top 10 holdings of Lord Abbett Developing Growth Fund INC by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Comfort Systems USA Inc | 3.60% |
| Bloom Energy Corp | 3.23% |
| Sterling Infrastructure Inc | 2.77% |
| Fidelity Investments | 2.62% |
| SiTime Corp | 2.53% |
| Guardant Health Inc | 2.35% |
| MACOM Technology Solutions Holdings Inc | 2.33% |
| Fabrinet | 2.23% |
| Carpenter Technology Corp | 2.09% |
| Nova Ltd | 1.99% |
LADPX Portfolio Allocation
Asset-class allocation of Lord Abbett Developing Growth Fund INC by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.6% |
| Cash & Equivalents | 3.4% |
LADPX Performance
Total returns for LADPX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 16.9% |
| 1 year | 56.2% |
| 3 years (annualised) | 18.5% |
| 5 years (annualised) | 0.5% |
LADPX Risk Information
Risk metrics for LADPX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 20.0%
LADPX Costs and Fees
LADPX costs about $114 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.14%
- Gross expense ratio: 1.14%
- Portfolio turnover: 112%
- Brokerage commissions: 10.65 bps of average net assets (SEC N-CEN)
LADPX Cashflows
Over the 12 months to 2026-04, Lord Abbett Developing Growth Fund INC had net outflows of $438.21M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$18.05M |
| 2026-03 | −$22.54M |
| 2026-02 | −$21.19M |
| 2026-01 | −$29.91M |
| 2025-12 | −$23.20M |
| 2025-11 | −$16.01M |
LADPX Debt Constituents
No individual debt constituents are reported in Lord Abbett Developing Growth Fund INC's latest SEC N-PORT filing.
LADPX Prospectus and SEC Filings
Official Lord Abbett Developing Growth Fund INC filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Mid Cap Growth Equity funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.