BDYN vs SPYM: Differences, Returns & Fees
BDYN and SPYM hold 50% of their weight in the same names, and SPYM returned +17.3% over the year. Net assets: $3.2bn on Oct 9, 2026 for iShares Dynamic Equity Active ETF, and $178.5bn on Oct 8, 2026 for State Street SPDR Portfolio S&P 500 ETF.
SPYM costs 0.37 points a year less; their one-year returns differ by 4.1 points; SPYM is far larger, $178.5bn against $3.1bn.
| BDYN | SPYM | |
|---|---|---|
| Expense ratio | 0.39% | 0.02% |
| Net assets, as of Oct 8, 2026 | $3.1bn | $178.5bn |
| Total return, 1 year | +13.2% | +17.3% |
| What it tracks | No index, actively managed | S&P 500 Index ? |
| Holdings in common | 50% | |
| Top ten holdings, share of the fund | 29.6% | 39.0% |
Holdings in common uses holdings dated Oct 8, 2026 and Oct 9, 2026.
What they hold in common
By the books each fund has filed, BDYN and SPYM hold 50% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated Oct 8, 2026 and Oct 9, 2026.
half
50% in common
On the same fields
BDYN and SPYM on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.
About BDYN
BDYN is actively managed and tracks no index. Over the year to Oct 9, 2026 it returned +13.2% with distributions reinvested, against +16.2% for its benchmark, the MSCI World Index. The prospectus expense ratio is 0.39% a year. By its holdings published by its issuer for Oct 9, 2026, 67% of the fund by weight is stocks the S&P 500 also holds, across 371 positions, with the top ten at 29.6%.
About SPYM
SPYM tracks the S&P 500. Over the year to Oct 9, 2026 it returned +17.3% with distributions reinvested, against +17.3% for its benchmark, the S&P 500 Index ?. The prospectus expense ratio is 0.02% a year. By its holdings published by its issuer for Oct 8, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 506 positions, with the top ten at 39.0%.
Questions people ask
- Which returned more over the last year, BDYN or SPYM?
- In the year to Oct 9, 2026, with distributions reinvested, BDYN returned +13.2% and SPYM +17.3%.
- Which is cheaper, BDYN or SPYM?
- SPYM is cheaper, by 0.37 percentage points a year. That is about $37 on $10,000 held for a year. Fees come from each fund's prospectus.
ETFIQ links to the documents behind every figure; a link is not an endorsement. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, BDYN against SPYM, data as of Oct 9, 2026. https://etfiq.com/compare/any/bdyn-vs-spym
ETFIQ. (Oct 9, 2026). BDYN against SPYM. Retrieved from https://etfiq.com/compare/any/bdyn-vs-spym
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