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IWM vs VTV: Correlation & Overlap

iShares Russell 2000 ETF (IWM) and Vanguard Value ETF (VTV) show a very strong relationship: their 3-year correlation of weekly returns is 0.85. By holdings, the two funds overlap 0% by weight.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.85
very strong
Correlation (1Y)
0.76
last 12 months
Correlation (5Y)
0.84
long-run
Holdings overlap
0%
0 common holdings

How correlated are IWM and VTV?

On 3 years of weekly data the IWM/VTV correlation comes out at 0.85, very strong, meaning they move nearly in lockstep. The relationship has been stable: the 1-year correlation (0.76) sits close to the 3-year figure. The 5-year figure is 0.84, and annualized covariance runs at 200.0 %².

Within IWM's tracked universe of 320 assets, VTV comes in at #5 by 3-year correlation. Twelve-month performance is nearly a tie, at +28.4% for IWM and +25.7% for VTV. Stability stands out here, with the rolling one-year correlation confined to 0.77 through 0.91. Note the risk asymmetry: IWM runs 1.7 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last three years.
How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

IWM vs VTV: side by side

IWM (iShares Russell 2000 ETF)VTV (Vanguard Value ETF)
1-year return+28.4%+25.7%
5-year return+41.5%+79.1%
Volatility (ann.)19.8%11.9%
Beta vs S&P 5001.060.65
Max drawdown (3Y)-27.5%-14.5%
Dividend yield0.91%1.86%
Expense ratio0.19%0.03%
Assets under management$80.1B$256.4B
Sector / categoryETF · US Small & Mid CapETF · US Style
Lower fee: VTV 0.03% vs 0.19%Higher yield: VTV 1.86% vs 0.91%Smaller drawdown: VTV -14.5% vs -27.5%Higher 5y return: VTV +79.1% vs +41.5%

IWM, iShares's Small Blend fund, carries $80.1B under management, 1757 holdings, a 0.19% expense ratio, a 0.91% trailing dividend yield. On the fund side, VTV sits in the Large Value category at Vanguard, with $256.4B under management, 308 holdings, a 0.03% expense ratio, a 1.86% trailing dividend yield.

-1%0%+30%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). IWM · VTV

Portfolio overlap between IWM and VTV

The two portfolios are largely distinct: 0% of the funds' weight sits in the same underlying holdings (0 common positions). Correlation tells you they move together; overlap tells you why.

Largest positions held only by IWM: MOGA (0.35%), UMBF (0.34%), CYTK (0.33%), GKOS (0.33%), EAT (0.33%). Only by VTV: JPM (3.51%), MU (3.46%), BRK.B (2.99%), XOM (2.40%), JNJ (2.30%).

Overlap = sum of the smaller of the two weights across common holdings, from issuer disclosures as of 2026-08-26.

Year-by-year returns

YearIWMVTV
2022-20.5%-2.1%
2023+16.8%+9.3%
2024+11.4%+16.0%
2025+12.7%+15.3%
2026+22.3%+19.3%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are IWM and VTV good diversifiers for each other?

No: a correlation of 0.85 means IWM and VTV tend to fall together, which is precisely when diversification is supposed to help.

FAQ

What is the correlation between IWM and VTV?

Using weekly returns as of 2026-08-27: 0.85 over 3 years, with 0.76 over the last year and 0.84 over 5 years.

Is VTV a good diversifier for IWM?

No: a correlation of 0.85 means IWM and VTV tend to fall together, which is precisely when diversification is supposed to help.

How much do IWM and VTV overlap?

The two funds share 0 holdings amounting to 0% of weight, per issuer portfolio files dated 2026-08-26.

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IWM vs VTV: 3-year weekly correlation 0.85IWM vs VTV0.85

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Hubs: IWM correlations · VTV correlations