Registry rank 2357 · Portfolio as of 2026-03-31
Empower S&P Mid Cap 400 Index Fund
MXBUX · MXMDX · MXNZX
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.
| Share class and filing | 10 years | 20 years | 30 years |
|---|---|---|---|
| MXBUX0.80% · SEC expense filing · as of 2025-12-31 | $11,839 | $37,129 | $87,378 |
| MXMDX0.54% · SEC expense filing · as of 2025-12-31 | $8,031 | $25,493 | $60,706 |
| MXNZX0.19% · SEC expense filing · as of 2025-12-31 | $2,769 | $8,934 | $21,624 |
Real trailing windows
Computed on licensed market-return history
Trailing windows use IJH adjusted-close total-return history through 2026-07-29 and the same filed index-control fee baseline as the convention table. Methodology.
| Share class and filing | 10 years | 20 years | 30 years |
|---|---|---|---|
| MXBUXFiled fee as of 2025-12-31 | $19,357Computed on licensed market-return history 2016-07-29 to 2026-07-29 · proxy return 10.88% annualized | $91,053Computed on licensed market-return history 2006-07-31 to 2026-07-29 · proxy return 10.06% annualized | Proxy history begins 2000 — no full 30-year window |
| MXMDXFiled fee as of 2025-12-31 | $13,123Computed on licensed market-return history 2016-07-29 to 2026-07-29 · proxy return 10.88% annualized | $62,451Computed on licensed market-return history 2006-07-31 to 2026-07-29 · proxy return 10.06% annualized | Proxy history begins 2000 — no full 30-year window |
| MXNZXFiled fee as of 2025-12-31 | $4,520Computed on licensed market-return history 2016-07-29 to 2026-07-29 · proxy return 10.88% annualized | $21,855Computed on licensed market-return history 2006-07-31 to 2026-07-29 · proxy return 10.06% annualized | Proxy history begins 2000 — no full 30-year window |
Index-control tracking difference
Annualized fund NAV return minus the matched proxy return. Positive means the fund NAV return was higher over that window.
| Fund NAV class | 10 years | 20 years | 30 years |
|---|---|---|---|
| MXBUX | no exact shared fund NAV/proxy anchors for a full 10-year window | no exact shared fund NAV/proxy anchors for a full 20-year window | no exact shared fund NAV/proxy anchors for a full 30-year window |
| MXMDX | no exact shared fund NAV/proxy anchors for a full 10-year window | no exact shared fund NAV/proxy anchors for a full 20-year window | no exact shared fund NAV/proxy anchors for a full 30-year window |
| MXNZX | no exact shared fund NAV/proxy anchors for a full 10-year window | no exact shared fund NAV/proxy anchors for a full 20-year window | no exact shared fund NAV/proxy anchors for a 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
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. MXBUX SEC expense filing, as of 2025-12-31. Methodology.
| Result | Amount |
|---|---|
| Ending value at baseline | $264,825 |
| Ending value at filed expense ratio | $227,695 |
| Difference attributed to fee drag | $37,129 |
This is an illustration, not a prediction or personalized advice. Returns and fees can differ. Read the research disclaimer.
Largest active differences vs IJH
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.
| Holding | Fund | IJH | Difference |
|---|---|---|---|
| Corebridge Financial Inc. | 0.19% | 0.00% | +0.19% |
| Equitable Holdings Inc | 0.33% | 0.28% | +0.05% |
| Wesco International, Inc. | 0.42% | 0.41% | +0.01% |
| Crocs Inc | 0.13% | 0.13% | +0.00% |
| BellRing Intermediate Holdings Inc. | 0.06% | 0.06% | +0.00% |
| US Foods Holding Corp | 0.64% | 0.64% | -0.00% |
| United Therapeutics Corporation | 0.80% | 0.80% | -0.00% |
| Ovintiv Inc | 0.51% | 0.52% | -0.00% |
| Sensata Technologies Holding PLC | 0.16% | 0.16% | -0.00% |
| Vontier Corporation | 0.16% | 0.16% | +0.00% |
Source and verification
SEC N-PORT filing · filed 2026-05-20 · period 2026-03-31
SEC expense filing · period 2025-12-31
Cite these figures
Each snippet includes the figure’s source-event date and immutable verification URL.
Best-fit active share
Sensible Investor, “Empower S&P Mid Cap 400 Index Fund — best-fit active share,” 0.4% versus IJH, fund portfolio as of 2026-03-31. https://sensible-investor.com/registry/mxbux/as-of/363649da-fcfb-4007-87ef-de06de7710ca
MXBUX filed expense ratio
Sensible Investor, “Empower S&P Mid Cap 400 Index Fund — filed expense ratio,” 0.80% for MXBUX, as of 2025-12-31. https://sensible-investor.com/registry/mxbux/as-of/363649da-fcfb-4007-87ef-de06de7710ca