PlainIndex
Menu

ETF comparison

SPSM vs VIOO

Both US Small Cap.

State Street SPDR Portfolio S&P 600 Small Cap ETF · Vanguard S&P Small-Cap 600 Index Fund ETF Shares

Holdings overlap

Weighted by ISIN/CUSIP
90.9 %

585 positions appear in both funds. Buying equal dollars of SPSM and VIOO would leave roughly 90.9% of each dollar exposed to the same underlying securities.

SPSM only 8.9% Shared 90.9% VIOO only 8.9%
In SPSM only
20 positions
Shared
585 positions
In VIOO only
20 positions

Side by side

SPSM

State Street SPDR Portfolio S&P 600 Small Cap ETF

State Street · US Small Cap

96 composite / 100
Expense ratio
0.030%
Net assets
$16.92B
TTM yield
1.38%
Top-10 conc.
10.5%
VIOO

Vanguard S&P Small-Cap 600 Index Fund ETF Shares

Vanguard · US Small Cap

93 composite / 100
Expense ratio
0.070%
Net assets
$6.41B
TTM yield
1.11%
Top-10 conc.
5.8%

Sub-score comparison

97
Cost
93
88
Tax efficiency
88
100
Liquidity
92
99
Concentration
100
—
Tracking quality
—
SPSM sub-score VIOO

Tracking quality isn't part of the composite — see what we don't score for why.

Cost difference

SPSM is 4 bps cheaper than VIOO. On a $100,000 position that's about $40/yr more in fees for VIOO.

Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with SPSM vs VIOO.

Top shared holdings

585 shared in total
# Holding In SPSM In VIOO Overlap
1 Eastman Chemical Co 0.57% 0.55% 0.55%
2 Primoris Services Corp 0.51% 0.52% 0.51%
3 Element Solutions Inc 0.51% 0.51% 0.51%
4 LKQ Corp 0.49% 0.54% 0.49%
5 FormFactor Inc 0.49% 0.49% 0.49%
6 Jackson Financial Inc 0.49% 0.47% 0.47%
7 Semtech Corp 0.47% 0.50% 0.47%
8 Armstrong World Industries Inc 0.46% 0.47% 0.46%
9 Sanmina Corp 0.46% 0.54% 0.46%
10 ESCO Technologies Inc 0.48% 0.45% 0.45%
11 Krystal Biotech Inc 0.44% 0.45% 0.44%
12 Zurn Elkay Water Solutions Corp 0.43% 0.48% 0.43%

Only in SPSM

20 total
  • Argan Inc 0.49%
  • Match Group Inc 0.47%
  • Molina Healthcare Inc 0.45%
  • Paycom Software Inc 0.39%
  • Lamb Weston Holdings Inc 0.38%
  • VSE Corp 0.35%
  • Lyft Inc 0.35%
  • Rithm Capital Corp 0.34%
  • Piper Sandler Cos 0.34%
  • Laureate Education Inc 0.31%

Only in VIOO

20 total
  • Solstice Advanced Materials Inc 0.79%
  • Moog Inc 0.61%
  • InterDigital Inc 0.60%
  • CareTrust REIT Inc 0.58%
  • SiTime Corp 0.55%
  • Piper Sandler Cos 0.31%
  • Vicor Corp 0.29%
  • TEGNA Inc 0.21%
  • Alexander & Baldwin Inc 0.10%
  • Armada Hoffler Properties Inc 0.03%

Open SPSM or VIOO at a brokerage

Both funds trade commission-free at major US brokerages.

Open at Fidelity

Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.

Holdings overlap is the sum of min(weight_a, weight_b) over positions matched on ISIN (CUSIP fallback). Methodology: see /methodology/.

Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.