Data as of Oct 28, 2026.

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PSC vs VIOG: Differences, Returns & Fees

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Over the year to Oct 28, 2026, PSC returned +21.0% to VIOG's +15.8%; 31% of their weight is in the same names.

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Net assets: $2.7bn on Oct 26, 2026 for Principal U.S. Small-Cap ETF, and $1.0bn on Sep 30, 2026 for Vanguard S&P Small-Cap 600 Growth ETF.

At a glance
+21.0%
PSC total return, 1 year
+15.8%
VIOG total return, 1 year
0.38%
PSC expense ratio
0.10%
VIOG expense ratio

Pair scorecard

VIOG costs 0.28 points a year less; their one-year returns differ by 5.2 points.

PSC vs VIOG: Differences, Returns & Fees
MeasurePSCVIOG
Return
Total return, 1 year+21.0%+15.8%
Drawdown
Below its high8.2%, high on Aug 4, 2026
Benchmark
What it tracksNo index, actively managedS&P SmallCap 600 Growth Index
Cost and size
Expense ratio0.38%0.10%
Net assets, PSC as of Oct 26, 2026 and VIOG as of Sep 30, 2026$2.7bn$1.0bn
Holdings
Holdings in common31%
Top ten holdings, share of the fund11.2%9.9%

Holdings in common uses holdings dated Jun 30, 2026 and Sep 30, 2026. Method

Risk and return

Sep 30, 2016 to Oct 23, 2026 · 525 weekly returns
PSC VIOG
Return
Total return edge PSC +204.6% +158.6%
Annualized edge PSC +11.7% +9.9%
Price return edge PSC +170.5% +134.9%
Risk
Volatility edge VIOG (slight) 23.2% 22.3%
Max drawdown edge VIOG (slight) −44.9% −41.3%
Downside capture 91.9% 99.5%
Beta 0.95 0.99
Risk-adjusted
Sharpe edge PSC 0.49 0.42
Sortino edge PSC 0.70 0.62
Treynor 0.118 0.120
Calmar edge PSC (slight) 0.26 0.24
Against the benchmark
Alpha +2.4% a year +0.2% a year
Alpha t-stat 0.96 0.29
Information ratio 0.24 0.01
Tracking error 8.1% 2.1%

Each against its own benchmark: PSC against IWM, Sep 30, 2016 to Oct 23, 2026; VIOG against IJT, Sep 17, 2010 to Oct 23, 2026.

Reading

PSC returned more: +204.6% to +158.6%. VIOG swung slightly less: 22.3% to 23.2%. VIOG fell slightly less at its worst: −41.3% to −44.9%.

Full scorecard

19 measures, with how each is measured
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Risk and return: PSC vs VIOG: Differences, Returns & Fees
MeasurePSCVIOGEdgeHow it is measured
Return
Total return+204.6%+158.6%PSCPrice change plus distributions, reinvested.
Annualized+11.7%+9.9%PSCTotal return as a yearly rate.
Price return+170.5%+134.9%PSCPrice change alone, distributions left out.
Risk
Volatility23.2%22.3%VIOG (slight)Spread of weekly returns, annualized. Lower is steadier.
Downside deviation16.0%15.3%VIOG (slight)Like volatility, counting only weeks below the Treasury bill rate.
Max drawdown−44.9%−41.3%VIOG (slight)Deepest fall from a high to the low after it.
Upside capture84.9%98.9%Share of its benchmark's rise caught in the weeks it rose.
Downside capture91.9%99.5%Share of its benchmark's fall taken in the weeks it fell. Lower is better.
Beta0.950.99Not an edgeHow far it moves for each 1% its benchmark moves.
R squared0.880.99Not an edgeShare of its weekly moves its benchmark explains.
Risk-adjusted
Sharpe0.490.42PSCReturn above Treasury bills per unit of volatility.
Sortino0.700.62PSCReturn above Treasury bills per unit of downside deviation.
Treynor0.1180.120Return above Treasury bills per unit of beta.
Calmar0.260.24PSC (slight)Annualized return divided by the max drawdown.
Against the benchmark
BenchmarkIWMIJTThe ETF each fund is measured against.
Alpha+2.4% a year+0.2% a yearNot significantYearly return beyond what its beta to the benchmark predicts.
Alpha t-stat0.960.29Not an edgeHow sure the alpha is. Below 2, it could be chance.
Alpha range−2.5% to +7.4%−0.9% to +1.2%Includes zeroThe 95% range for the yearly alpha.
Information ratio0.240.01Return against its benchmark per unit of tracking error.
Tracking error8.1%2.1%Not an edgeHow far weekly returns stray from the benchmark, annualized.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 525 weekly returns. Cash rate: the 13-week Treasury bill.

What they share

31%

By the books each fund has filed, PSC and VIOG hold 31% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026 and Sep 30, 2026.

0 half 100%

half

31% in common

Positions both hold · largest shared weight first PSC VIOG
Powell Industries Inc 0.75% 0.65%
Argan Inc 1.03% 0.65%
Granite Construction Inc 0.56% 0.62%
MYR Group Inc 0.62% 0.55%
StoneX Group Inc 0.54% 0.85%
Enova International Inc 0.76% 0.51%
Kodiak Gas Services Inc 0.50% 0.65%
ACM Research Inc 0.50% 0.58%
PTC Therapeutics Inc 0.47% 0.66%
Protagonist Therapeutics Inc 0.47% 1.11%
Cavco Industries Inc 0.45% 0.52%
PJT Partners Inc 0.50% 0.44%
Only in one fund ↓
Only in PSC
Credo Technology Group Holding Ltd 1.38%
Hims & Hers Health Inc 1.31%
DigitalOcean Holdings Inc 1.19%
Sterling Infrastructure Inc 1.17%
Vicor Corp 1.05%
TTM Technologies Inc 1.03%
Bread Financial Holdings Inc 0.92%
Guardant Health Inc 0.87%
Only in VIOG
FormFactor Inc 1.42%
Viasat Inc 1.18%
Ryman Hospitality Properties Inc 0.99%
TG Therapeutics Inc 0.96%
MSG Knickerbockers Corp 0.85%
Armstrong World Industries Inc 0.83%
Glaukos Corp 0.81%
Enpro Inc 0.79%
Check overlap with more funds →

Side by side

PSC Principal U.S. Small-Cap ETF VIOG Vanguard S&P Small-Cap 600 Growth ETF
Where it sits Stock ETF Stock ETF
What it is Actively managed Tracks an index
Total return, 1 year +21.0% +15.8%
Its benchmark over the same days +14.1% (IWM) +15.4% (IJT)
Gap to its benchmark +6.9 pts vs IWM +0.4 pts vs IJT
Expense ratio 0.38% 0.10%
Already in the S&P 500 0.0% 0.0%
Holdings 506 351
Net assets, PSC as of Oct 26, 2026 and VIOG as of Sep 30, 2026 $2.7bn $1.0bn

PSC and VIOG on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

Client brief · page 1 of 2 Report BR-8DEB0E744E

PSC and VIOG are built for the same job. How do they differ in cost, holdings and results?

  1. What each follows. PSC follows No index, actively managed and VIOG follows S&P SmallCap 600 Growth Index.
  2. Holdings in common. 31% of the weight is in the same securities (holdings dated Jun 30, 2026 and Sep 30, 2026).
  3. One-year total return. Over 1 year to Oct 28, 2026 PSC returned +21.0% and VIOG +15.8% with distributions reinvested, a gap of 5.2 points.

Data as of Oct 28, 2026.

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About each fund
PSC

Over the year to Oct 28, 2026 it returned +21.0% with distributions reinvested, against +14.1% for its benchmark, the Russell 2000 Index.

PSC is actively managed and tracks no index. The prospectus expense ratio is 0.38% a year. By its holdings filed for Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 506 positions, with the top ten at 11.2%.

VIOG

VIOG tracks an index. Over the year to Oct 28, 2026 it returned +15.8% with distributions reinvested, against +15.4% for its benchmark, the S&P SmallCap 600 Growth Index. The prospectus expense ratio is 0.10% a year. By its holdings published by its issuer as of Sep 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 351 positions, with the top ten at 9.9%. It sat 8.2% below its high of Aug 4, 2026 on Oct 28, 2026.

Questions people ask

Which returned more over the last year, PSC or VIOG?
In the year to Oct 28, 2026, with distributions reinvested, PSC returned +21.0% and VIOG +15.8%.
Which is cheaper, PSC or VIOG?
VIOG is cheaper, by 0.28 percentage points a year. That is about $28 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do PSC and VIOG overlap with the S&P 500?
By their latest filed holdings, 0% of PSC and 0% of VIOG by weight is stocks the S&P 500 already holds.
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ETFIQ, PSC against VIOG, data as of Oct 28, 2026. https://etfiq.com/compare/any/psc-vs-viog

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