Published registry · Registry rank 1616 · Portfolio as of 2026-06-30

AB DISCOVERY GROWTH FUND, INC.

CHCCX (Ab Discovery Growth Fund, Inc.) · CHCIX (Ab Discovery Growth Fund, Inc.) · CHCLX (Ab Discovery Growth Fund, Inc.) · CHCYX (Ab Discovery Growth Fund, Inc.) · CHCZX (Ab Discovery Growth Fund, Inc.)

The verdict

What the numbers say

This portfolio genuinely differs from the S&P MidCap 400 (81.8% active share). Its 1.69% fee buys real active management; whether it earned that fee is not something holdings can show.

81.8%: 78th percentile of 200 available values · source as of 2026-06-30vs the S&P MidCap 400 · fund as of 2026-06-30 · measured against the filed holdings of iShares Core S&P Mid-Cap ETF (IJH), as of 2026-06-30
99.9%S&P 500 Index · benchmark mismatch · fund as of 2026-06-30 · measured against the filed holdings of iShares Core S&P 500 ETF (IVV), as of 2026-06-30 · declared source as of 2025-07-31
1.69%: 95th percentile of 199 available values · source as of 2025-07-31SEC expense filing · as of 2025-07-31
CHCCX fee per active unit2.07%expense as of 2025-07-31; fund as of 2026-06-30; proxy as of 2026-06-30
Computed from SEC filings · fund portfolio as of 2026-06-30.
Data provenance

Run fffcd45a-98bb-4e8e-b699-e94626fa3ab3; method closet-index@3.0.0; fund accession 0001410368-26-086290; comparison periods and expense-filing links appear with their figures. Machine capture time: 2026-09-01T09:31:36.244Z.

Computed rule checks

1 warning · 0 checks clear · 2 checks need source inputs

Warning

· Rule 1

The fund’s filed benchmark and its closest approved index control point to different comparisons.

Methodology rule · visual rules si-visual-explainers@1.0.0

No positive-fee index control is available

· Rule 2

The active-share, filed-fee, or same-index control input needed for this warning is unavailable.

Methodology rule · visual rules si-visual-explainers@1.0.0

No complete licensed window with a filed fee

· Rule 3

No complete licensed window and filed headline fee are available together for this check.

Computed on licensed market-return history · filed fee as of 2025-07-31

Methodology rule · visual rules si-visual-explainers@1.0.0

Filed fees in dollars

SEC-convention illustration

Computed from SEC filings

Assumptions for each dollar figure: $100,000 starting amount · 5.0% annual return · annual compounding · fees deducted annually · 0.01% computed index-control baseline. Methodology.

Illustrated difference between each class’s filed expense ratio and the computed index-control baseline. Lowest-cost classes are omitted rather than compared with themselves. Computed from SEC filings.
Share class and filing10 years20 years30 years
CHCCX1.69% · SEC expense filing · as of 2025-07-31$24,243$73,025$165,335
CHCIX0.76% · SEC expense filing · as of 2025-07-31$11,258$35,375$83,399
CHCLX0.92% · SEC expense filing · as of 2025-07-31$13,567$42,317$99,052
CHCYX0.69% · SEC expense filing · as of 2025-07-31$10,238$32,273$76,329
CHCZX0.67% · SEC expense filing · as of 2025-07-31$9,945$31,380$74,283

Real trailing windows

Real trailing windows are not available for this registry mark.

The licensed-history computation was introduced after this immutable mark. No return history has been padded or extrapolated.

These figures are illustrations, not predictions or personalized advice. Returns and fees can differ. Read the research disclaimer.

Change the illustration

Return mode

Computed from SEC filings

Assumptions for the dollar figures below: $100,000 starting amount; 5.0% annual return; 20 years; annual compounding; fees deducted annually; 0.01% computed index-control baseline. CHCCX SEC expense filing, as of 2025-07-31. Methodology.

SEC-convention illustration for CHCCX; expense ratio filed as of 2025-07-31.
ResultAmount
Ending value at baseline$264,825
Ending value at filed expense ratio$191,799
Difference attributed to fee drag$73,025

This is an illustration, not a prediction or personalized advice. Returns and fees can differ. Read the research disclaimer.

Largest active differences vs the S&P MidCap 400

The bars are labeled and repeated in the table; color is not the only signal. Linked company names open Buy Like Buffett’s company record; Sensible Investor does not score stocks.

Guardant Health Inc+2.19%
SITIME CORP+1.79%
Granite Construction Inc+1.64%
CARPENTER TECHNOLOGY CORP+1.62%
Forgent Power Solutions Inc+1.59%
BrightSpring Health Services Inc+1.58%
Modine Manufacturing Co+1.57%
STERLING INFRASTRUCTURE INC+1.54%
Viking Holdings Ltd+1.49%
Marex Group PLC+1.43%
HoldingFundS&P MidCap 400Difference
Guardant Health Inc2.19%0.00%+2.19%
SITIME CORP2.25%0.46%+1.79%
Granite Construction Inc1.64%0.00%+1.64%
CARPENTER TECHNOLOGY CORP2.46%0.85%+1.62%
Forgent Power Solutions Inc1.59%0.00%+1.59%
BrightSpring Health Services Inc1.58%0.00%+1.58%
Modine Manufacturing Co1.57%0.00%+1.57%
STERLING INFRASTRUCTURE INC2.25%0.71%+1.54%
Viking Holdings Ltd1.49%0.00%+1.49%
Marex Group PLC1.43%0.00%+1.43%

Source and verification

SEC N-PORT filing · filed 2026-08-26 · period 2026-06-30

SEC expense filing · period 2025-07-31

Immutable verification record · Active-share method

Cite these figures

Each snippet includes the figure’s source-event date and immutable verification URL.

Best-fit active share

Sensible Investor, “AB DISCOVERY GROWTH FUND, INC. — best-fit active share,” 81.8% versus the S&P MidCap 400, fund portfolio as of 2026-06-30; measured against the filed holdings of iShares Core S&P Mid-Cap ETF (IJH), as of 2026-06-30. https://sensible-investor.com/registry/chccx/as-of/fffcd45a-98bb-4e8e-b699-e94626fa3ab3

CHCCX filed expense ratio

Sensible Investor, “AB DISCOVERY GROWTH FUND, INC. — filed expense ratio,” 1.69% for CHCCX, as of 2025-07-31. https://sensible-investor.com/registry/chccx/as-of/fffcd45a-98bb-4e8e-b699-e94626fa3ab3

CHCCX fee per active unit

Sensible Investor, “AB DISCOVERY GROWTH FUND, INC. — fee per unit of active management,” 2.07% using the CHCCX expense ratio as of 2025-07-31 and fund portfolio as of 2026-06-30. https://sensible-investor.com/registry/chccx/as-of/fffcd45a-98bb-4e8e-b699-e94626fa3ab3

AB DISCOVERY GROWTH FUND, INC. active-share record · Sensible Investor