FNDX vs VOO overlap - what they share and where they differ

FNDX and VOO share 63.6% of their weight across 456 common positions, read from what each fund reported to the SEC.

Each week Ploutos reads the reported positions of the largest US equity ETFs and measures, pair by pair, the weight they share: for every stock both funds hold, the smaller of the two weights counts. Two funds tracking the same index land near 100%. A sector fund inside a broad index fund lands at roughly that sector's weight.

FNDX and VOO

63.6%

456 shared positions

FNDX

Schwab Fundamental U.S. Large Company ETF

Reported positions cover 100% of the fund, 722 positions · May 31, 2026

Top 10: 23.8%·Holdings of FNDX

VOO

VANGUARD 500 INDEX FUND

Reported positions cover 100% of the fund, 500 positions · Jun 30, 2026

Top 10: 37.9%·Holdings of VOO

Reported positions cover FNDX 100%, VOO 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.

VOO vs FNDX side by side

FNDXSchwab Fundamental U.S. Large Company ETF

722

stock positions reported to the SEC

8.9% of its weight is in 266 names VOO does not hold

VOOVANGUARD 500 INDEX FUND

500

stock positions reported to the SEC

3.4% of its weight is in 44 names FNDX does not hold

Where each fund's weight sits

FNDX
VOO
shared with the other fundheld alonenot covered by the filing (cash, futures, bonds)

Largest sectors for both funds

Technology
29.3%
48.7%
Healthcare
11.6%
9.2%
Financial Services
11.0%
9.6%
Consumer Cyclical
10.5%
9.8%
Energy
6.2%
0.0%
Industrials
0.0%
3.9%

The widest gap is Technology: VOO has 19.5 points more of it.

The figures side by side

FNDXVOO
Filing dateMay 31, 2026Jun 30, 2026
Stock positions reported722500
Weight of the ten largest23.8%37.9%
Largest positionAAPL 4.6%NVDA 7.5%
Held alone266 positions, 8.9%44 positions, 3.4%
Covered by stock positions100%100%

Holdings they share

StockIn FNDXIn VOOCounted
AAPLApple Inc4.63%6.59%4.63%
GOOGLAlphabet Inc4.27%5.84%4.27%
MSFTMicrosoft Corp2.32%4.30%2.32%
AMZNAmazon.com Inc1.85%3.62%1.85%
MUMicron Technology Inc1.59%2.02%1.59%
BRK.ABerkshire Hathaway Inc1.41%1.42%1.41%
JPMORGAN CHASE & CO1.38%1.26%1.26%
METAMeta Platforms Inc1.24%1.92%1.24%
INTCIntel Corp2.57%1.02%1.02%
JNJJohnson & Johnson0.97%0.95%0.95%

What each holds alone

The heaviest positions one fund reports and the other does not.

Only in FNDX

LUMNLumen Technologies Inc0.22%
DINOHF Sinclair Corp0.13%
OVVOvintiv Inc0.13%
ARWArrow Electronics Inc0.11%
RSReliance Inc0.11%
SNXTD SYNNEX Corp0.11%
AVTAvnet Inc0.10%
FERGFerguson Enterprises Inc0.10%
LNGCheniere Energy Inc0.10%
PBFPBF Energy Inc0.10%

Only in VOO

SNDKSandisk Corp0.52%
PLTRPalantir Technologies Inc0.42%
CRWDCrowdstrike Holdings Inc0.30%
APPAppLovin Corp0.21%
DDOGDatadog Inc0.13%
COHRCoherent Corp0.12%
HOODRobinhood Markets Inc0.12%
DASHDoorDash Inc0.11%
FIXComfort Systems USA Inc0.11%
HONAHoneywell Aerospace Inc0.11%

Questions people ask

Is FNDX the same as VOO?

63.6% of their weight sits in the same 456 holdings. FNDX also reports LUMN, DINO, OVV, which the other does not. VOO also reports SNDK, PLTR, CRWD, which the other does not.

How is the overlap between FNDX and VOO measured?

For every stock both funds report, the smaller of the two weights counts, and the sum is the overlap. The reported positions cover 100% of FNDX and 100% of VOO, so the number cannot exceed the smaller coverage.

Which holds more, VOO or FNDX?

FNDX reports 722 stock positions and VOO reports 500. 8.9% of FNDX's weight sits in names VOO does not hold, and 3.4% of VOO's weight in names FNDX does not hold. The ten largest positions are 23.8% of FNDX and 37.9% of VOO.

How do FNDX and VOO differ by sector?

The widest gap is Technology: VOO has 19.5 points more of it. Sectors come from each holding's SIC code in its SEC record, summed by the weight the fund reports.

Where do the numbers come from?

From each fund's own N-PORT filing to the SEC, which lists every position and its weight. The comparison uses every equity position the fund reports; cash, futures and bonds are not counted, which is why a coverage figure sits next to every result. Holdings change between filings.

Other pairs with these funds

VOO against other funds in the table

Add a third fund in the tool·All fund pairs

Descriptive data from public SEC filings. Nothing on this page is a recommendation to buy, sell or hold any fund or stock, and holdings change between filings.