ETF comparison
MTUM vs SPY
Momentum Factor vs US Large Cap.
iShares MSCI USA Momentum Factor ETF · State Street SPDR S&P 500 ETF Trust
Holdings overlap
104 positions appear in both funds. Buying equal dollars of MTUM and SPY would leave roughly 35.2% of each dollar exposed to the same underlying securities.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
SPY is 6 bps cheaper than MTUM. On a $100,000 position that's about $56/yr more in fees for MTUM.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with MTUM vs SPY.
Top shared holdings
104 shared in total| # | Holding | In MTUM | In SPY | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA CORPORATION | 4.64% | 7.44% | 4.64% |
| 2 | ALPHABET INC. | 2.94% | 3.29% | 2.94% |
| 3 | BROADCOM INC. | 5.40% | 2.72% | 2.72% |
| 4 | ALPHABET INC. | 2.39% | 2.63% | 2.39% |
| 5 | MICRON TECHNOLOGY, INC. | 5.56% | 1.81% | 1.81% |
| 6 | JPMORGAN CHASE & CO. | 2.87% | 1.39% | 1.39% |
| 7 | ADVANCED MICRO DEVICES, INC. | 4.03% | 1.37% | 1.37% |
| 8 | JOHNSON & JOHNSON | 3.76% | 0.95% | 0.95% |
| 9 | INTEL CORPORATION | 3.83% | 0.93% | 0.93% |
| 10 | APPLIED MATERIALS, INC. | 2.36% | 0.80% | 0.80% |
| 11 | LAM RESEARCH CORPORATION | 3.61% | 0.76% | 0.76% |
| 12 | WALMART INC. | 2.75% | 0.74% | 0.74% |
Only in MTUM
21 total- EXXON MOBIL CORPORATION 3.43%
- BLOOM ENERGY CORPORATION 0.51%
- FTAI Aviation Ltd. 0.12%
- ROCKET LAB CORPORATION 0.12%
- Credo Technology Group Holding Ltd 0.12%
- CURTISS-WRIGHT CORPORATION 0.10%
- HEICO CORPORATION 0.09%
- AST SPACEMOBILE, INC. 0.08%
- HEICO CORPORATION 0.08%
- Astera Labs, Inc 0.07%
Only in SPY
400 total- APPLE INC 6.72%
- MICROSOFT CORP 4.44%
- AMAZON.COM INC 3.68%
- META PLATFORMS INC CLASS A 2.09%
- TESLA INC 1.86%
- ELI LILLY + CO 1.47%
- BERKSHIRE HATHAWAY INC CL B 1.42%
- VISA INC CLASS A SHARES 0.91%
- EXXONMOBIL HOLDINGS CORP 0.88%
- CISCO SYSTEMS INC 0.72%
Open MTUM or SPY at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.