Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
FNDX vs MDY: how they differ
FNDX and MDY hold 5% of their weight in the same names, and FNDX returned more over the year.
Schwab Fundamental U.S. Large Company ETF and SPDR S&P MidCap 400 ETF Trust.
What they hold in common
By the books each fund has filed, FNDX and MDY hold 5% of their money in the same securities at the same weight.
| Holding | FNDX | MDY |
|---|---|---|
| HF Sinclair Corp | 0.13% | 0.29% |
| Ovintiv Inc | 0.13% | 0.40% |
| Arrow Electronics Inc | 0.11% | 0.30% |
| Reliance Inc | 0.11% | 0.53% |
| TD SYNNEX Corp | 0.10% | 0.55% |
| PBF Energy Inc | 0.10% | 0.11% |
| Avnet Inc | 0.10% | 0.20% |
| Alcoa Corp | 0.09% | 0.38% |
| Cleveland-Cliffs Inc | 0.09% | 0.15% |
| Ally Financial Inc | 0.09% | 0.35% |
| BorgWarner Inc | 0.09% | 0.38% |
| Macy's Inc | 0.09% | 0.17% |
| Only in FNDX | Only in MDY |
|---|---|
| Apple Inc 4.64% | TWILIO INC 0.86% |
| Intel Corp 2.57% | CARPENTER TECHNOLOGY CORP 0.85% |
| Alphabet Inc 2.38% | MKS INC 0.83% |
| Microsoft Corp 2.33% | CURTISS-WRIGHT CORP 0.77% |
| Exxon Mobil Corp 2.29% | ENTEGRIS INC 0.76% |
| Alphabet Inc 1.90% | NVENT ELECTRIC PLC 0.76% |
| Amazon.com Inc 1.86% | ATI INC 0.74% |
| Micron Technology Inc 1.60% | TECHNIPFMC PLC 0.73% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026 and May 31, 2026.
| FNDX Schwab Fundamental U.S. Large Company ETF | MDY SPDR S&P MidCap 400 ETF Trust | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | Schwab | State Street |
| What it is | Fundamental U.S. Large Company | S&P MidCap 400, book from IJH |
| Total return, 1 year | +26.1% | +13.0% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +8.6 pts | −4.5 pts |
| Expense ratio | 0.25% | 0.23% |
| Already in the S&P 500 | 91.2% | 0.0% |
| Holdings | 733 | 400 |
FNDX in plain words
FNDX is an index equity fund tracking the Fundamental U.S. Large Company. Over the year to Sep 11, 2026 it returned +26.1% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.25% a year. By its holdings filed for May 31, 2026, 91% of the fund by weight is stocks the S&P 500 also holds, across 733 positions, with the top ten at 22.5%.
MDY in plain words
MDY is an index equity fund tracking the S&P MidCap 400. Over the year to Sep 11, 2026 it returned +13.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.23% a year. By its holdings filed for Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 400 positions, with the top ten at 7.7%. It sat 5.3% below its high of Aug 14, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, FNDX or MDY?
- In the year to Sep 12, 2026, with distributions reinvested, FNDX returned +26.1% and MDY returned +13.0%, so FNDX returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, FNDX or MDY?
- FNDX charges 0.25% a year and MDY charges 0.23%, so MDY is cheaper. Fees come from each fund's prospectus.
- How much do FNDX and MDY overlap with the S&P 500?
- By their latest filed holdings, 91% of FNDX and 0% of MDY by weight is stocks the S&P 500 already holds. Between the two funds, 5% of their books are the same securities at the same weight.
Other comparisons
Where to next
Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, FNDX against MDY, data as of Sep 12, 2026. https://etfiq.com/compare/any/FNDX-MDY Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources