Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
DYNF vs SPY: how they differ
DYNF and SPY hold 60% of their weight in the same names, and DYNF returned more over the year.
iShares U.S. Equity Factor Rotation Active ETF and SPDR S&P 500 ETF Trust.
What they hold in common
By the books each fund has filed, DYNF and SPY hold 60% of their money in the same securities at the same weight.
| Holding | DYNF | SPY |
|---|---|---|
| NVIDIA Corp | 8.62% | 7.52% |
| Apple Inc | 7.75% | 6.59% |
| Microsoft Corp | 5.35% | 4.30% |
| Amazon.com Inc | 4.42% | 3.62% |
| Alphabet Inc | 2.87% | 3.25% |
| Broadcom Inc | 3.25% | 2.77% |
| Alphabet Inc | 2.10% | 2.59% |
| Meta Platforms Inc | 2.50% | 1.92% |
| Tesla Inc | 1.74% | 1.84% |
| Berkshire Hathaway Inc | 2.38% | 1.42% |
| JPMorgan Chase & Co | 3.59% | 1.36% |
| Micron Technology Inc | 1.35% | 2.02% |
| Only in DYNF | Only in SPY |
|---|---|
| Eaton Corp PLC 0.75% | Mastercard, Inc. 0.64% |
| Trane Technologies PLC 0.72% | KLA Corp. 0.61% |
| Medtronic PLC 0.29% | Merck & Co., Inc. 0.49% |
| Seagate Technology Holdings PLC 0.24% | Coca-Cola Co. (The) 0.49% |
| Royal Caribbean Cruises Ltd 0.18% | Chevron Corp. 0.48% |
| Penumbra Inc 0.14% | Palo Alto Networks, Inc. 0.43% |
| CRH PLC 0.11% | Marvell Technology, Inc. 0.41% |
| Bloom Energy Corp 0.10% | Linde plc 0.37% |
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 | SPY SPDR S&P 500 ETF Trust | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | State Street |
| What it is | U.S. Equity Factor Rotation Active | S&P 500, book from IVV |
| Total return, 1 year | +20.8% | +17.5% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +3.3 pts | 0.0 pts |
| Expense ratio | 0.26% | 0.09% |
| Already in the S&P 500 | 98.8% | 100.0% |
| Holdings | 187 | 504 |
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%.
SPY in plain words
SPY is an index equity fund tracking the S&P 500. Over the year to Sep 11, 2026 it returned +17.5% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.09% a year. By its holdings filed for Jun 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 504 positions, with the top ten at 36.4%.
Questions people ask
- Which returned more over the last year, DYNF or SPY?
- In the year to Sep 12, 2026, with distributions reinvested, DYNF returned +20.8% and SPY returned +17.5%, so DYNF returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, DYNF or SPY?
- DYNF charges 0.26% a year and SPY charges 0.09%, so SPY is cheaper. Fees come from each fund's prospectus.
- How much do DYNF and SPY overlap with the S&P 500?
- By their latest filed holdings, 99% of DYNF and 100% of SPY by weight is stocks the S&P 500 already holds. Between the two funds, 60% of their books are the same securities at the same weight.
Other comparisons
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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 SPY, data as of Sep 12, 2026. https://etfiq.com/compare/any/DYNF-SPY Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources