257 essays 1,087 funds measured independent · not paid by any fund or issuer we cover

Overlap · from SEC filings

VT vs XLK: what actually overlaps

VT and XLK: 18.81% of a dollar ends up in the same companies either way (SEC Form N-PORT, 2026-04-30 and 2026-06-30), across 69 securities the two funds both hold. Every free comparison tool can list the tickers in common; this weights them, which is the part that decides whether owning both changes anything.

18.81%Overlap by weight
69Shared holdings
40.6Combined effective holdings
-103 vs VT alone

The short version

Held alone, VT behaves like 143.6 equally weighted positions and XLK like 16.3. Held together in equal size they behave like 40.6 — less diversified than holding VT on its own. The two funds hold 69 of the same securities, 18.81% of a dollar by weight, so the pair buys those companies twice.

Overlap here is the sum, over securities both funds hold, of the smaller of the two weights: the share of a dollar that sits in the same company either way. Matching is on CUSIP. Figures are as of each fund's own reporting date (2026-04-30 and 2026-06-30), which do not always align.

Not 50/50, or holding a third fund alongside these two? The portfolio calculator runs this same math for any weights, across up to 12 funds.

Side by side

as filed
VTXLK
Assets$90B$124B
Holdings4,88375
Effective holdings143.616.3
Top ten weight21.52%64.47%
Largest position4.07%14.65%
Priced at market (Level 1)66.32%100%
Reporting date2026-04-302026-06-30

Each fund on its own: VT · XLK

Where the overlap actually is

69

The ten shared positions that account for the most of it, with what each fund holds of its own. Shared is the lesser of the two — the part that is held in common either way. Where the two columns diverge, one fund is making a larger bet on that company than the other, and holding both does not average it away.

CompanyVTXLKShared
NVIDIA Corp 4.191% 14.653% 4.191%
Apple Inc 3.507% 12.85% 3.507%
Microsoft Corp 2.713% 8.378% 2.713%
Broadcom Inc 1.73% 5.408% 1.73%
Micron Technology Inc 0.519% 5.42% 0.519%
Advanced Micro Devices Inc 0.512% 5.278% 0.512%
Intel Corp 0.375% 3.676% 0.375%
Cisco Systems Inc 0.326% 2.585% 0.326%
Lam Research Corp 0.29% 3.02% 0.29%
Applied Materials Inc 0.28% 3.197% 0.28%

What the difference is made of

79.25% · 2.74%

79.25% of VT sits in companies XLK does not hold at all, and 2.74% of XLK in companies VT does not hold. The largest of each, by weight in its own fund:

Only in VT (79.25%)
  • Amazon.com Inc
  • Alphabet Inc
  • Alphabet Inc
  • Taiwan Semiconductor Manufacturing Co Ltd
  • Meta Platforms Inc
Only in XLK (2.74%)
  • Seagate Technology Holdings PLC
  • Accenture PLC
  • NXP Semiconductors NV
  • Flex Ltd
  • TE Connectivity PLC

By country of issuer

2026-04-30 · 2026-06-30

Where each fund's money sits by the issuer country its filer reported (incorporation, not revenue). Two funds can share companies and still differ here, and a pair that looks diversified by name can be one country twice.

CountryVTXLKDifference
United States 61.97% 97.31% −35.34
Japan 5.73% 0.00% +5.73
United Kingdom 3.28% 0.00% +3.28
Canada 3.10% 0.00% +3.10
Taiwan 3.02% 0.00% +3.02
Hong Kong SAR China 2.60% 0.00% +2.60
South Korea 2.26% 0.00% +2.26
France 1.99% 0.00% +1.99
Ireland° 0.08% 1.96% −1.88
Switzerland 1.94% 0.00% +1.94

What each fund did last quarter

Each fund's newest filing against its previous one. A pair whose overlap is rising or falling does so because of these moves; the figures are the same ones on each fund's page and in its feed.

FundPeriodPositionsAddedDroppedTurnoverLargest increase
VT 2026-01-31 → 2026-04-30 9,946 → 10,001 2331787.1% Broadcom Inc 1.42% → 1.73%
XLK 2026-03-31 → 2026-06-30 74 → 75 2113.1% Advanced Micro Devices Inc 2.95% → 5.28%

Related comparisons

8

Other pairs involving VT or XLK, ordered by how much they overlap.

PairOverlapCombined effective
VGT vs XLK 78.84% 15.9
VT vs VTI 60.65% 98.3
ITOT vs VT 58.62% 97.6
QQQ vs XLK 56.76% 24.8
QQQM vs XLK 55.5% 24.2
VOO vs VT 55.1% 83.7
VUG vs XLK 54.44% 19.6
IVV vs VT 53.19% 83.7

Sources and limits

Computed from SEC Form N-PORT (NPORT-P), the portfolio report every registered US fund files. Positions below 0.001% of net assets are dropped; weights are normalised to each filing's own total.

Unit investment trusts including SPY and DIA do not file N-PORT, so no overlap can be computed for them. Where a comparison is missing from this site, that is usually why rather than an oversight.

Overlap says what is held in common, not what will move together. Two funds with no shared holdings can still fall together, and the effective holding count takes no account of correlation. All 275 pairs are in the concentration dataset, and every fund's own history is on its fund page.