ARKG vs VBK overlap - what they share and where they differ
ARKG and VBK share 3.2% of their weight across 13 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.
ARKG and VBK
3.2%
13 shared positions
ARKG
ARK Genomic Revolution ETF
Reported positions cover 100% of the fund, 32 positions · Apr 30, 2026
Top 10: 58.8%·Holdings of ARKG
VBK
VANGUARD SMALL-CAP GROWTH INDEX FUND
Reported positions cover 100% of the fund, 536 positions · Jun 30, 2026
Top 10: 9.3%·Holdings of VBK
Reported positions cover ARKG 100%, VBK 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
VBK vs ARKG side by side
ARKGARK Genomic Revolution ETF
32
stock positions reported to the SEC
42.2% of its weight is in 19 names VBK does not hold
VBKVANGUARD SMALL-CAP GROWTH INDEX FUND
536
stock positions reported to the SEC
96.6% of its weight is in 523 names ARKG does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Healthcare: ARKG has 65.2 points more of it.
The figures side by side
| ARKG | VBK | |
|---|---|---|
| Filing date | Apr 30, 2026 | Jun 30, 2026 |
| Stock positions reported | 32 | 536 |
| Weight of the ten largest | 58.8% | 9.3% |
| Largest position | TEM 9.4% | CRDO 1.3% |
| Held alone | 19 positions, 42.2% | 523 positions, 96.6% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In ARKG | In VBK | Counted |
|---|---|---|---|
| NTRANATERA INC | 4.07% | 1.04% | 1.04% |
| GHGUARDANT HEALTH INC | 3.49% | 0.53% | 0.53% |
| ILMNILLUMINA INC | 4.03% | 0.36% | 0.36% |
| IONSIONIS PHARMACEUTICALS INC | 1.74% | 0.35% | 0.35% |
| TEMTEMPUS AI INC | 9.42% | 0.19% | 0.19% |
| TWSTTWIST BIOSCIENCE CORP | 8.99% | 0.17% | 0.17% |
| VCYTVERACYTE INC | 2.66% | 0.13% | 0.13% |
| TXG10X GENOMICS INC | 5.77% | 0.12% | 0.12% |
| BEAMBEAM THERAPEUTICS INC | 5.43% | 0.10% | 0.10% |
| NTLAINTELLIA THERAPEUTICS INC | 3.82% | 0.06% | 0.06% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in ARKG
Only in VBK
Questions people ask
Is ARKG the same as VBK?
3.2% of their weight sits in the same 13 holdings. ARKG also reports CRSP, ABSI, PSNL, which the other does not. VBK also reports CRDO, RVMD, ALAB, which the other does not.
How is the overlap between ARKG and VBK 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 ARKG and 100% of VBK, so the number cannot exceed the smaller coverage.
Which holds more, VBK or ARKG?
ARKG reports 32 stock positions and VBK reports 536. 42.2% of ARKG's weight sits in names VBK does not hold, and 96.6% of VBK's weight in names ARKG does not hold. The ten largest positions are 58.8% of ARKG and 9.3% of VBK.
How do ARKG and VBK differ by sector?
The widest gap is Healthcare: ARKG has 65.2 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.
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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.