IVOO vs SCHM: Holdings Overlap
IVOOVanguard S&P Mid-cap 400 Index Fund
Vanguard · 400 holdings · $3.9B · as of 2026-05-31
Schwab · 496 holdings · $15.1B · as of 2026-05-31
How similar are IVOO and SCHM?
Vanguard S&P Mid-cap 400 Index Fund (IVOO, by Vanguard) holds 400 positions; Schwab U.S. Mid-Cap ETF (SCHM, by Schwab) holds 496. They have 301 holdings in common, and by portfolio weight the two funds are 54.6% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 54.6%Sum of the smaller weight of each shared holding
- Shared Holdings
- 301IVOO holds 400 · SCHM holds 496
- Weight in Shared Holdings
- IVOO 84%·SCHM 55%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 IVOO
99 of 400 positions (15.9% of the fund) are not held by SCHM. Showing the top 30 by weight.
Sector Breakdown
| Sector | IVOO | SCHM |
|---|---|---|
| Industrials | 25.6% | 22.5% |
| Information Technology | 15.7% | 20.2% |
| Financials | 14.3% | 11.7% |
| Consumer Discretionary | 11.1% | 9.5% |
| Health Care | 8.7% | 10.8% |
| Other Sectors | 24.4% | 25.0% |
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.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IVOO | +3.1% | +18.5% | +26.0% | +14.6% | +9.0% | +11.2% | 1.14% |
| SCHM | +1.6% | +20.7% | +28.9% | +15.8% | +8.2% | +11.2% | 1.22% |
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 IVOO vs SCHM →
Shared Holdings(301)
The top 10 shared positions account for 10% of the overlap, led by FLEX, TWLO and FTI.
 FLEXFlex Ltd. COM USD0.01 | 1.58% | 1.03% | 1.03% |
|---|---|---|---|
 TWLOTwilio, Inc., Class A | 0.82% | 0.54% | 0.54% |
 FTITechnipFMC PLC USD1 | 0.79% | 0.51% | 0.51% |
 CWCurtiss-Wright Corporation | 0.79% | 0.51% | 0.51% |
 NVTNVent Electric PLC COM USD0.01 | 0.77% | 0.50% | 0.50% |
 STRLSterling Infrastructure Inc COM | 0.75% | 0.49% | 0.49% |
 XPOXPO Inc COM | 0.72% | 0.47% | 0.47% |
 UTHRUnited Therapeutics Corporation COM | 0.68% | 0.44% | 0.44% |
 ATIATI Inc COM | 0.68% | 0.44% | 0.44% |
 MTSIMACOM Technology Solutions Holdings Inc. COM | 0.67% | 0.44% | 0.44% |
 FNFabrinet COM USD0.01 | 0.67% | 0.43% | 0.43% |
 CRSCarpenter Technology Corporation COM | 0.67% | 0.43% | 0.43% |
 NXTNextpower Inc. CLASS A COM | 0.66% | 0.43% | 0.43% |
 MTZMastec, Inc. COM | 0.66% | 0.43% | 0.43% |
 MKSIMKS Inc. COM | 0.62% | 0.40% | 0.40% |
 ENTGEntegris Inc COM | 0.60% | 0.39% | 0.39% |
 OKTAOkta Inc. Class A | 0.60% | 0.39% | 0.39% |
 WWDWoodward Inc. COM | 0.59% | 0.39% | 0.39% |
 BURLBurlington Stores Inc. COM | 0.57% | 0.37% | 0.37% |
 LSCCLattice Semiconductor Corporation COM | 0.57% | 0.37% | 0.37% |
 AAAlcoa Corporation COM | 0.57% | 0.37% | 0.37% |
 RSReliance Inc COM | 0.57% | 0.37% | 0.37% |
 RBARB Global Inc COM | 0.56% | 0.37% | 0.37% |
 SNXTD SYNNEX Corporation | 0.56% | 0.36% | 0.36% |
 RGLDRoyal Gold, Inc. COM | 0.52% | 0.34% | 0.34% |
Showing the top 250 of 301 shared holdings by overlap weight.
Frequently Asked Questions
How much do IVOO and SCHM overlap?
IVOO and SCHM overlap by 54.6% of portfolio weight. They share 301 holdings (IVOO holds 400 positions and SCHM holds 496), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IVOO and SCHM?
The two portfolios are 54.6% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of IVOO and SCHM?
The largest positions held by both funds are FLEX, TWLO, FTI, CW and NVT. Together the top 10 shared positions account for 10% of the total overlap.
What does IVOO own that SCHM doesn't?
99 positions (15.9% of IVOO) are unique to IVOO, led by P, ILMN and TTMI. In the other direction, 195 positions (45.3% of SCHM) are unique to SCHM.