DYNF vs SPY overlap - what they share and where they differ
DYNF and SPY share 62.2% of their weight across 162 common positions, read from what each fund reported to the SEC.
Each week Ploutos reads the reported positions of the largest US equity ETFs and measures, pair by pair, the weight they share: for every stock both funds hold, the smaller of the two weights counts. Two funds tracking the same index land near 100%. A sector fund inside a broad index fund lands at roughly that sector's weight.
DYNF and SPY
62.2%
162 shared positions
DYNF
iShares U.S. Equity Factor Rotation Active ETF
Reported positions cover 100% of the fund, 205 positions · Jul 31, 2026
Top 10: 43.7%·Holdings of DYNF
SPY
SPY
Reported positions cover 100% of the fund, 500 positions · Jun 30, 2026
Top 10: 37.9%·Holdings of SPY
Reported positions cover DYNF 100%, SPY 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
SPY vs DYNF side by side
DYNFiShares U.S. Equity Factor Rotation Active ETF
205
stock positions reported to the SEC
2.1% of its weight is in 43 names SPY does not hold
SPY
500
stock positions reported to the SEC
24.6% of its weight is in 338 names DYNF does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Financial Services: DYNF has 4.3 points more of it.
The figures side by side
| DYNF | SPY | |
|---|---|---|
| Filing date | Jul 31, 2026 | Jun 30, 2026 |
| Stock positions reported | 205 | 500 |
| Weight of the ten largest | 43.7% | 37.9% |
| Largest position | NVDA 7.9% | NVDA 7.5% |
| Held alone | 43 positions, 2.1% | 338 positions, 24.6% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In DYNF | In SPY | Counted |
|---|---|---|---|
| NVDANVIDIA Corp | 7.94% | 7.52% | 7.52% |
| AAPLApple Inc | 7.47% | 6.59% | 6.59% |
| GOOGLAlphabet Inc | 4.82% | 5.84% | 4.82% |
| MSFTMicrosoft Corp | 5.06% | 4.30% | 4.30% |
| AMZNAmazon.com Inc | 4.41% | 3.62% | 3.62% |
| AVGOBroadcom Inc | 2.86% | 2.77% | 2.77% |
| METAMeta Platforms Inc | 2.14% | 1.92% | 1.92% |
| MUMicron Technology Inc | 1.58% | 2.02% | 1.58% |
| AMDAdvanced Micro Devices Inc | 1.45% | 1.47% | 1.45% |
| JPMJPMorgan Chase & Co | 3.85% | 1.36% | 1.36% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in DYNF
Only in SPY
Questions people ask
Is DYNF the same as SPY?
62.2% of their weight sits in the same 162 holdings. DYNF also reports SPCX, WWD, RNR, which the other does not. SPY also reports MA, KLAC, HD, which the other does not.
How is the overlap between DYNF and SPY measured?
For every stock both funds report, the smaller of the two weights counts, and the sum is the overlap. The reported positions cover 100% of DYNF and 100% of SPY, so the number cannot exceed the smaller coverage.
Which holds more, SPY or DYNF?
DYNF reports 205 stock positions and SPY reports 500. 2.1% of DYNF's weight sits in names SPY does not hold, and 24.6% of SPY's weight in names DYNF does not hold. The ten largest positions are 43.7% of DYNF and 37.9% of SPY.
How do DYNF and SPY differ by sector?
The widest gap is Financial Services: DYNF has 4.3 points more of it. Sectors come from each holding's SIC code in its SEC record, summed by the weight the fund reports.
Where do the numbers come from?
From each fund's own N-PORT filing to the SEC, which lists every position and its weight. The comparison uses every equity position the fund reports; cash, futures and bonds are not counted, which is why a coverage figure sits next to every result. Holdings change between filings.
Other pairs with these funds
SPY against other funds in the table
Add a third fund in the tool·All fund pairs
Descriptive data from public SEC filings. Nothing on this page is a recommendation to buy, sell or hold any fund or stock, and holdings change between filings.