Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
DYNF vs VBK: how they differ
DYNF and VBK hold 1% of their weight in the same names, and DYNF returned more over the year.
iShares U.S. Equity Factor Rotation Active ETF and Vanguard Small-Cap Growth Index Fund.
What they hold in common
By the books each fund has filed, DYNF and VBK hold 1% of their money in the same securities at the same weight.
| Holding | DYNF | VBK |
|---|---|---|
| Penumbra Inc | 0.14% | 0.33% |
| Casey's General Stores Inc | 0.08% | 0.83% |
| ATI Inc | 0.06% | 0.76% |
| Woodward Inc | 0.06% | 0.71% |
| SoFi Technologies Inc | 0.06% | 0.65% |
| Insmed Inc | 0.05% | 0.33% |
| Carpenter Technology Corp | 0.04% | 0.82% |
| Revolution Medicines Inc | 0.03% | 1.07% |
| Astera Labs Inc | 0.03% | 1.05% |
| MasTec Inc | 0.03% | 0.74% |
| Halozyme Therapeutics Inc | 0.03% | 0.26% |
| RBC Bearings Inc | 0.03% | 0.57% |
| Only in DYNF | Only in VBK |
|---|---|
| NVIDIA Corp 8.62% | Credo Technology Group Holding Ltd 1.27% |
| Apple Inc 7.75% | Natera Inc 1.04% |
| Microsoft Corp 5.35% | Twilio Inc 0.88% |
| Amazon.com Inc 4.42% | Curtiss-Wright Corp 0.79% |
| JPMorgan Chase & Co 3.59% | FTAI Aviation Ltd 0.78% |
| Broadcom Inc 3.25% | nVent Electric PLC 0.77% |
| Alphabet Inc 2.87% | Entegris Inc 0.77% |
| Cisco Systems Inc 2.76% | TechnipFMC PLC 0.74% |
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 Apr 30, 2026 and Jun 30, 2026.
| DYNF iShares U.S. Equity Factor Rotation Active ETF | VBK Vanguard Small-Cap Growth Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | U.S. Equity Factor Rotation Active | Small-Cap Growth |
| Total return, 1 year | +20.8% | +13.8% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +3.3 pts | −3.7 pts |
| Expense ratio | 0.26% | 0.05% |
| Already in the S&P 500 | 98.8% | 10.2% |
| Holdings | 187 | 545 |
DYNF in plain words
DYNF is an index equity fund tracking the U.S. Equity Factor Rotation Active. Over the year to Sep 11, 2026 it returned +20.8% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.26% a year. By its holdings filed for Apr 30, 2026, 99% of the fund by weight is stocks the S&P 500 also holds, across 187 positions, with the top ten at 43.8%.
VBK in plain words
VBK is an index equity fund tracking the Small-Cap Growth. Over the year to Sep 11, 2026 it returned +13.8% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.05% a year. By its holdings filed for Jun 30, 2026, 10% of the fund by weight is stocks the S&P 500 also holds, across 545 positions, with the top ten at 9.3%. It sat 7.0% below its high of Aug 17, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, DYNF or VBK?
- In the year to Sep 12, 2026, with distributions reinvested, DYNF returned +20.8% and VBK returned +13.8%, so DYNF returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, DYNF or VBK?
- DYNF charges 0.26% a year and VBK charges 0.05%, so VBK is cheaper. Fees come from each fund's prospectus.
- How much do DYNF and VBK overlap with the S&P 500?
- By their latest filed holdings, 99% of DYNF and 10% of VBK by weight is stocks the S&P 500 already holds. Between the two funds, 1% of their books are the same securities at the same weight.
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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, DYNF against VBK, data as of Sep 12, 2026. https://etfiq.com/compare/any/DYNF-VBK Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources