Verified factor-similar pair

IWF vs VUG

These two ETFs pass the same FF6 US similarity lane: US-listed equity ETFs, same USD model basis, at least one material non-market factor, and 100% overlap in statistically significant material factor exposure.

HML

Similarity score

Near substitute

Score blends exposure-level distance, factor-vector shape, market-beta closeness, and a small backtested relative-Sharpe term.

IWF

iShares Russell 1000 Growth ETF

HML

Adj. R2

0.978

Rel. Sharpe

0.720

Mkt beta

1.06

AUM

US$117.5B

MER

0.18%

Valuation

308

VUG

Vanguard Growth ETF

HML

Adj. R2

0.971

Rel. Sharpe

0.759

Mkt beta

1.07

AUM

US$195.6B

MER

0.03%

Valuation

355

Factor Exposure Match

Blue bars compare raw factor beta magnitude. Green bars compare absolute t-stat strength. Dim bars indicate the t-stat is below 1.96.

SMB

IWF

-0.13

|t|

-7.5

VUG

-0.11

|t|

-4.8

diff -0.02

HML

IWF

-0.27

|t|

-15.1

VUG

-0.27

|t|

-12.7

diff -0.00

RMW

IWF

-0.02

|t|

-0.8

VUG

+0.00

|t|

+0.1

diff -0.02

CMA

IWF

-0.13

|t|

-4.8

VUG

-0.13

|t|

-4.1

diff +0.01

UMD

IWF

-0.02

|t|

-1.9

VUG

-0.01

|t|

-0.6

diff -0.01

Why This Pair Matches

Exposure level

Exposure shape

100

Mkt beta diff

0.02

Rel. Sharpe diff

0.040

This comparison focuses on measured factor exposure, not a qualitative review of each fund's portfolio-construction process. Backtested relative Sharpe is included as a secondary signal, while we continue refining a comparison metric that separates factor payoff from alpha. See methodology.

IWF fund page VUG fund page US ETF Leaders US Universe

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