IWV vs SEIM: holdings overlap, shared companies and scores
As of September 11, 2026, IWV and SEIM overlap 27.9% by weight. iShares Russell 3000 ETF (IWV): U.S. total market index. SEI QiM U.S. Large Cap Momentum Active ETF (SEIM): U.S. large-cap momentum stocks.
Updated September 11, 2026
How much do IWV and SEIM overlap?
As of September 11, 2026, IWV and SEIM overlap 27.9% by weight.
39% of IWV is already inside SEIM.
100% of SEIM is already inside IWV.
IWV holds 2,569 companies and SEIM holds 76; 76 are in both.
Computed by ETF Copilot from both funds' holdings rather than quoted from a data provider, and rebuilt nightly.
How does ETF Copilot score IWV and SEIM?
As of September 11, 2026, ETF Copilot scores IWV 5.2 out of 10 and SEIM 6.9 out of 10.
They differ most on Risk: IWV 4.8 and SEIM 7.9.
The five factor scores behind them are set out below, 0–10 and higher is better, ranked against every US equity ETF we track.
| Factor | IWV | SEIM |
|---|---|---|
| Growth | 3.3 | 5.4 |
| Valuation | 3.0 | 4.8 |
| Risk | 4.8 | 7.9 |
| Quality | 8.0 | 8.2 |
| Return | 7.2 | 8.2 |
SEIM is the cheaper of the two at 0.15% a year
As of September 11, 2026, IWV charges 0.20% a year, yields 1.11% and holds $20.5B in assets across 2569 positions.
As of September 11, 2026, SEIM charges 0.15% a year, yields 0.91% and holds $1.5B in assets across 76 positions.
| Measure | IWV | SEIM |
|---|---|---|
| Expense ratio | 0.20% | 0.15% |
| Dividend yield | 1.11% | 0.91% |
| Assets under management | $20.5B | $1.5B |
| Holdings | 2569 | 76 |
Expense ratio, dividend yield and assets under management are reported by the fund and refreshed daily. Every other figure on this page is computed by ETF Copilot.
Where IWV and SEIM trade against their own history
IWV trades at 24.7 times earnings, against its own median of 21.1, and is more expensive than 82% of its own 114 monthly readings since 2017.
SEIM trades at 28.9 times earnings, against its own median of 21.1, and is more expensive than 89% of its own 53 monthly readings since 2022.
What moved IWV this week
IWV fell 1.2% in the week to September 11, 2026. The holdings that moved it most were Nvidia (−4.4%), Microsoft (−2.8%) and Eli Lilly (−3.8%); Advanced Micro Devices (+13.1%) pushed the other way.
What do IWV and SEIM each hold?
What's inside IWV: Tech 43%, Magnificent 7 30%.
34% of IWV is its ten largest holdings.
What's inside SEIM: Tech 47%, Magnificent 7 20%.
36% of SEIM is its ten largest holdings.
Compare with similar funds
Cite this
ETF Copilot, “IWV vs SEIM holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/iwv-vs-seim
Register free to unlock IWV vs SEIM prices and holdings on ETF Copilot.
Register free →