Lord Abbett Developing Growth R4 (LADSX)

Fund Assets	2.22B
Expense Ratio	0.94%
Min. Investment	$1,000
Turnover	112.00%
Dividend (ttm)	n/a
Dividend Yield	n/a
Dividend Growth	n/a
Payout Frequency	n/a
Ex-Dividend Date	n/a

Previous Close	30.35
YTD Return	19.52%
1-Year Return	29.47%
5-Year Return	8.29%
52-Week Low	23.80
52-Week High	35.42
Beta (5Y)	1.13
Holdings	93
Inception Date	Jun 30, 2015

About LADSX

Lord Abbett Developing Growth Fund, Inc. Class R4 is a mutual fund primarily focused on achieving long-term capital appreciation by investing in the equity securities of small-cap U.S. companies. Managed with an active investment strategy, the fund seeks out businesses the portfolio managers believe demonstrate above-average, long-term growth potential and are positioned within dynamic sectors such as technology, healthcare, industrials, and consumer cyclical industries. With total net assets of approximately $1.88 billion as of March 2025, the portfolio is composed of around 86 holdings, with the top ten accounting for nearly a quarter of total assets. The fund is particularly relevant for retirement accounts, offering a medium share class suitable for workplace retirement plans. It maintains an annual dividend distribution and features a competitive net expense ratio of 0.94%. Lord Abbett Developing Growth Fund, Inc. Class R4 plays a significant role within the small-cap growth equity category, serving investors seeking exposure to innovative and emerging U.S. companies with potential for long-term growth.

• Fund Family: Lord Abbett
• Category: Small Growth
• Performance Rating: Above Average
• Risk Rating: High
• Stock Exchange: NASDAQ
• Ticker Symbol: LADSX
• Share Class: Class R4
• Index: Russell 2000 Growth TR

Performance

LADSX had a total return of 29.47% in the past year, including dividends. Since the fund's inception, the average annual return has been 12.48%.

Equivalent Funds

These are funds that follow the same index from the other major fund companies.

Symbol	Provider	Name	Expense Ratio
FECGX	Fidelity	Fidelity Small Cap Growth Index Fund	0.05%
FCIGX	Fidelity	Fidelity Advisor Small Cap Growth I	0.92%
FCPGX	Fidelity	Fidelity Small Cap Growth Fund	0.88%
FCTGX	Fidelity	Fidelity Advisor Small Cap Growth M	1.42%
FCCGX	Fidelity	Fidelity Advisor Small Cap Growth C	1.92%

Other Share Classes

These are alternative share classes of the same fund, from the same provider.

Symbol	Share Class	Expense Ratio
LADVX	Class R6	0.60%
LOGWX	Class F3	0.60%
LADYX	Class I	0.69%
LADTX	Class R5	0.69%

Top 10 Holdings

23.86% of assets

Name	Symbol	Weight
Guardant Health, Inc.	GH	3.55%
SiTime Corporation	SITM	2.77%
Comfort Systems USA, Inc.	FIX	2.56%
Sterling Infrastructure, Inc.	STRL	2.56%
Carpenter Technology Corporation	CRS	2.32%
DigitalOcean Holdings, Inc.	DOCN	2.21%
MACOM Technology Solutions Holdings, Inc.	MTSI	2.08%
Semtech Corporation	SMTC	2.01%
JFrog Ltd.	FROG	1.90%
Nova Ltd.	NVMI	1.89%

Data Sources: Tiingo, Twelve Data, and more

Historical data is provided by Tiingo. Delayed stock pricing data is provided by Twelve Data. Several fund data points are also provided by Finnhub.

Last checked:

Aug 27, 2026

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