SPSM vs VBK: holdings overlap, shared companies and scores
As of September 11, 2026, SPSM and VBK overlap 16.8% by weight. State Street SPDR Portfolio S&P 600 Small Cap ETF (SPSM): U.S. small-cap equities. Vanguard Morningstar Small-Cap Growth ETF (VBK): U.S. small-cap growth stocks.
Updated September 11, 2026
How much do SPSM and VBK overlap?
As of September 11, 2026, SPSM and VBK overlap 16.8% by weight.
34% of SPSM is already inside VBK.
17% of VBK is already inside SPSM.
SPSM holds 597 companies and VBK holds 542; 158 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 SPSM and VBK?
As of September 11, 2026, ETF Copilot scores SPSM 4.3 out of 10 and VBK 4.8 out of 10.
They differ most on Growth: SPSM 5.4 and VBK 8.4.
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 | SPSM | VBK |
|---|---|---|
| Growth | 5.4 | 8.4 |
| Valuation | 6.6 | 6.5 |
| Risk | 3.9 | 2.3 |
| Quality | 1.4 | 1.8 |
| Return | 4.1 | 3.6 |
SPSM is the cheaper of the two at 0.03% a year
As of September 11, 2026, SPSM charges 0.03% a year, yields 1.66% and holds $16.4B in assets across 597 positions.
As of September 11, 2026, VBK charges 0.05% a year, yields 0.47% and holds $43.8B in assets across 542 positions.
| Measure | SPSM | VBK |
|---|---|---|
| Expense ratio | 0.03% | 0.05% |
| Dividend yield | 1.66% | 0.47% |
| Assets under management | $16.4B | $43.8B |
| Holdings | 597 | 542 |
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 SPSM and VBK trade against their own history
SPSM trades at 17.5 times earnings, against its own median of 16.7, and is more expensive than 69% of its own 108 monthly readings since 2017.
VBK trades at 29.6 times earnings, against its own median of 27.5, and is more expensive than 80% of its own 114 monthly readings since 2017.
What moved SPSM and VBK this week
SPSM fell 1.8% in the week to September 11, 2026. The holdings that moved it most were Paycom Software (−9.0%), Etsy (−11.3%) and Glaukos (−7.3%); Formfactor (+18.8%) pushed the other way.
VBK fell 2.5% in the week to September 11, 2026. The holdings that moved it most were Casey S General Stores (−18.8%), Guidewire Software (−30.5%) and Servicetitan (−41.3%); Roivant Sciences (+18.6%) pushed the other way.
What do SPSM and VBK each hold?
What's inside SPSM: Tech 15%, Semiconductors 4%.
5% of SPSM is its ten largest holdings.
What's inside VBK: Tech 26%, Semiconductors 5%.
9% of VBK is its ten largest holdings.
Compare with similar funds
Cite this
ETF Copilot, “SPSM vs VBK holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/spsm-vs-vbk
- State Street SPDR Portfolio S&P 600 Small Cap ETF (SPSM)
- Vanguard Morningstar Small-Cap Growth ETF (VBK)
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