ITOT vs VXF: Holdings Overlap
ITOTiShares Core S&P Total U.S. Stock Market ETF
iShares · 2487 holdings · $97.6B · as of 2026-03-31
VXFVanguard Extended Market Index Fund
Vanguard · 3359 holdings · $32.2B · as of 2026-03-31
How similar are ITOT and VXF?
iShares Core S&P Total U.S. Stock Market ETF (ITOT, by iShares) holds 2487 positions; Vanguard Extended Market Index Fund (VXF, by Vanguard) holds 3359. They have 1965 holdings in common, and by portfolio weight the two funds are 11.5% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 11.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 1965ITOT holds 2487 · VXF holds 3359
- Weight in Shared Holdings
- ITOT 12%·VXF 98%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in ITOT
522 of 2487 positions (88.2% of the fund) are not held by VXF. Showing the top 30 by weight.
Only in VXF
1394 of 3359 positions (1.9% of the fund) are not held by ITOT. Showing the top 30 by weight.
Sector Breakdown
| Sector | ITOT | VXF |
|---|---|---|
| Information Technology | 30.8% | 16.3% |
| Industrials | 10.2% | 19.5% |
| Financials | 12.9% | 15.0% |
| Health Care | 9.9% | 13.3% |
| Consumer Discretionary | 9.9% | 9.8% |
| Other Sectors | 26.0% | 23.6% |
| Unclassified | 0.1% | 2.4% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts. “Unclassified” is weight we could not classify (0% of ITOT, 2% of VXF).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| ITOT | +3.3% | +14.6% | +24.1% | +20.9% | +12.3% | +14.9% | 0.97% |
| VXF | +2.4% | +18.9% | +26.9% | +18.6% | +6.9% | +12.0% | 0.99% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in ITOT vs VXF →
Shared Holdings(1965)
The top 10 shared positions account for 7% of the overlap, led by MRVL, NET and LNG.
 MRVLMarvell Technology Inc COM | 0.14% | 1.18% | 0.14% |
|---|---|---|---|
 NETCloudflare, Inc., Class A | 0.10% | 0.90% | 0.10% |
 LNGCheniere Energy Inc COM NEW | 0.10% | 0.84% | 0.10% |
 SNOWSnowflake, Inc., Class A | 0.08% | 0.71% | 0.08% |
 FERGFerguson Enterprises Inc COMMON STOCK NEW | 0.07% | 0.62% | 0.07% |
 ALNYAlnylam Pharmaceuticals Inc. COM | 0.07% | 0.60% | 0.07% |
 MSTRStrategy, Inc., Class A | 0.06% | 0.54% | 0.06% |
 RBLXRoblox Corporation CL A | 0.06% | 0.51% | 0.06% |
 INSMInsmed Inc COM PAR $.01 | 0.06% | 0.48% | 0.06% |
 BEBloom Energy Corporation COM CL A | 0.06% | 0.48% | 0.06% |
 RKLBRocket Lab Corp. COM | 0.05% | 0.41% | 0.05% |
 AMRZAmrize Ltd. | 0.05% | 0.39% | 0.05% |
 FTITechnipFMC PLC USD1 | 0.04% | 0.38% | 0.04% |
 NTRANatera Inc. COM | 0.04% | 0.38% | 0.04% |
 CASYCasey'S General Stores Inc. COM | 0.04% | 0.37% | 0.04% |
 VEEVVeeva Systems, Inc., Class A | 0.04% | 0.36% | 0.04% |
 CPNGCoupang, Inc., Class A | 0.04% | 0.35% | 0.04% |
 UTHRUnited Therapeutics Corporation COM | 0.04% | 0.35% | 0.04% |
 CWCurtiss-Wright Corporation | 0.04% | 0.34% | 0.04% |
 FTAIFTAI Aviation Ltd COM USD0.01 | 0.04% | 0.34% | 0.04% |
 FLEXFlex Ltd. COM USD0.01 | 0.04% | 0.33% | 0.04% |
 LPLALPL Financial Holdings Inc. COM | 0.04% | 0.33% | 0.04% |
 MKLMarkel Group Inc COM | 0.04% | 0.33% | 0.04% |
 XPOXPO Inc COM | 0.04% | 0.31% | 0.04% |
 WWDWoodward Inc. COM | 0.03% | 0.29% | 0.03% |
Showing the top 250 of 1965 shared holdings by overlap weight.
Frequently Asked Questions
How much do ITOT and VXF overlap?
ITOT and VXF overlap by 11.5% of portfolio weight. They share 1965 holdings (ITOT holds 2487 positions and VXF holds 3359), based on each fund's latest SEC-reported holdings.
Is it redundant to own both ITOT and VXF?
The two portfolios are 11.5% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of ITOT and VXF?
The largest positions held by both funds are MRVL, NET, LNG, SNOW and FERG. Together the top 10 shared positions account for 7% of the total overlap.
What does ITOT own that VXF doesn't?
522 positions (88.2% of ITOT) are unique to ITOT, led by NVDA, AAPL and MSFT. In the other direction, 1394 positions (1.9% of VXF) are unique to VXF.