Registry rank 2012 · Portfolio as of 2026-03-31

Loomis Sayles Small Cap Growth Fund

LCGRX · LSSIX · LSSNX

Best-fit active share89.5%vs IWM · fund as of 2026-03-31 · proxy as of 2026-03-31
Declared-benchmark active share99.3%Russell 3000® Index · benchmark mismatch · fund as of 2026-03-31 · proxy as of 2026-03-31 · declared source as of 2025-09-30
LCGRX expense ratio1.18%SEC expense filing · as of 2025-09-30
LCGRX fee per active unit1.32%expense as of 2025-09-30; fund as of 2026-03-31; proxy as of 2026-03-31

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. Computed from SEC filings.
Share class and filing10 years20 years30 years
LCGRX1.18% · SEC expense filing · as of 2025-09-30$17,252$53,174$123,046
LSSIX0.93% · SEC expense filing · as of 2025-09-30$13,711$42,744$100,008
LSSNX0.82% · SEC expense filing · as of 2025-09-30$12,128$38,002$89,351

Real trailing windows

Computed on licensed market-return history

Trailing windows use IWM adjusted-close total-return history through 2026-07-29 and the same filed index-control fee baseline as the convention table. Methodology.

Dollar fee drag over actual trailing proxy-return windows. Each result below is computed on licensed market-return history.
Share class and filing10 years20 years30 years
LCGRXFiled fee as of 2025-09-30$27,417Computed on licensed market-return history
2016-07-29 to 2026-07-29 · proxy return 10.52% annualized
$105,584Computed on licensed market-return history
2006-07-31 to 2026-07-29 · proxy return 8.84% annualized
Proxy history begins 2000 — no full 30-year window
LSSIXFiled fee as of 2025-09-30$21,778Computed on licensed market-return history
2016-07-29 to 2026-07-29 · proxy return 10.52% annualized
$84,809Computed on licensed market-return history
2006-07-31 to 2026-07-29 · proxy return 8.84% annualized
Proxy history begins 2000 — no full 30-year window
LSSNXFiled fee as of 2025-09-30$19,259Computed on licensed market-return history
2016-07-29 to 2026-07-29 · proxy return 10.52% annualized
$75,375Computed on licensed market-return history
2006-07-31 to 2026-07-29 · proxy return 8.84% annualized
Proxy history begins 2000 — no full 30-year window

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. LCGRX SEC expense filing, as of 2025-09-30. Methodology.

SEC-convention illustration for LCGRX; expense ratio filed as of 2025-09-30.
ResultAmount
Ending value at baseline$264,825
Ending value at filed expense ratio$211,651
Difference attributed to fee drag$53,174

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

Largest active differences vs IWM

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.

HoldingFundIWMDifference
RBC Bearings Inc2.28%0.00%+2.28%
ESCO Technologies, Inc.2.50%0.25%+2.25%
MACOM Technology Solutions Holdings Inc2.11%0.00%+2.11%
ATI Inc2.00%0.00%+2.00%
Ligand Pharmaceuticals, Inc.2.08%0.13%+1.95%
Advanced Energy Industries, Inc.2.13%0.42%+1.71%
Construction Partners, Inc.1.78%0.18%+1.60%
AAR Corp.1.70%0.15%+1.55%
Establishment Labs Holdings Inc1.53%0.00%+1.53%
Sterling Infrastructure, Inc.1.94%0.41%+1.53%

Source and verification

SEC N-PORT filing · filed 2026-05-29 · period 2026-03-31

SEC expense filing · period 2025-09-30

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, “Loomis Sayles Small Cap Growth Fund — best-fit active share,” 89.5% versus IWM, fund portfolio as of 2026-03-31. https://sensible-investor.com/registry/lcgrx/as-of/363649da-fcfb-4007-87ef-de06de7710ca

LCGRX filed expense ratio

Sensible Investor, “Loomis Sayles Small Cap Growth Fund — filed expense ratio,” 1.18% for LCGRX, as of 2025-09-30. https://sensible-investor.com/registry/lcgrx/as-of/363649da-fcfb-4007-87ef-de06de7710ca

LCGRX fee per active unit

Sensible Investor, “Loomis Sayles Small Cap Growth Fund — fee per unit of active management,” 1.32% using the LCGRX expense ratio as of 2025-09-30 and fund portfolio as of 2026-03-31. https://sensible-investor.com/registry/lcgrx/as-of/363649da-fcfb-4007-87ef-de06de7710ca