ETF comparison
IVOO vs IWP
Both US Mid Cap.
Vanguard S&P Mid-Cap 400 Index Fund ETF Shares · iShares Russell Mid-Cap Growth ETF
Holdings overlap
94 positions appear in both funds. Buying equal dollars of IVOO and IWP would leave roughly 18.1% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
IVOO is 16 bps cheaper than IWP. On a $100,000 position that's about $160/yr more in fees for IWP.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with IVOO vs IWP.
Top shared holdings
94 shared in total| # | Holding | In IVOO | In IWP | Overlap |
|---|---|---|---|---|
| 1 | Sterling Infrastructure Inc | 0.75% | 0.69% | 0.69% |
| 2 | ATI Inc | 0.68% | 0.73% | 0.68% |
| 3 | MACOM Technology Solutions Holdings Inc | 0.67% | 0.70% | 0.67% |
| 4 | Carpenter Technology Corp | 0.67% | 0.81% | 0.67% |
| 5 | MasTec Inc | 0.66% | 0.71% | 0.66% |
| 6 | XPO Inc | 0.72% | 0.64% | 0.64% |
| 7 | Woodward Inc | 0.59% | 0.69% | 0.59% |
| 8 | Everpure Inc | 0.71% | 0.58% | 0.58% |
| 9 | Lattice Semiconductor Corp | 0.57% | 0.57% | 0.57% |
| 10 | Fabrinet | 0.67% | 0.55% | 0.55% |
| 11 | Burlington Stores Inc | 0.57% | 0.54% | 0.54% |
| 12 | BWX Technologies Inc | 0.51% | 0.46% | 0.46% |
Only in IVOO
306 total- Flex Ltd 1.58%
- Illumina Inc 0.71%
- United Therapeutics Corp 0.68%
- Nextpower Inc 0.66%
- Okta Inc 0.60%
- Alcoa Corp 0.57%
- Reliance Inc 0.57%
- RB Global Inc 0.56%
- TD SYNNEX Corp 0.56%
- Royal Gold Inc 0.52%
Only in IWP
172 total- Datadog, Inc. 2.34%
- Snowflake, Inc. 2.33%
- Cloudflare, Inc. 2.12%
- Teradyne, Inc. 2.07%
- Astera Labs, Inc. 2.02%
- Simon Property Group, Inc. 1.96%
- Comfort Systems USA, Inc. 1.89%
- Robinhood Markets, Inc. 1.75%
- Lumentum Holdings, Inc. 1.67%
- Targa Resources Corp. 1.56%
Related comparisons
More comparisons with IVOO
- IVOO vs IWM · iShares Russell 2000 ETF 11.1%
- IVOO vs IWD · iShares Russell 1000 Value ETF 6.9%
- IVOO vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 5.0%
- IVOO vs VTI · Vanguard Morningstar Total Stock Market ETF 4.9%
- IVOO vs SCHB · Schwab U.S. Broad Market ETF 4.8%
- IVOO vs VYM · Vanguard High Dividend Yield Index Fund ETF Shares 4.5%
More comparisons with IWP
- IWP vs MDY · State Street SPDR S&P MIDCAP 400 ETF Trust 17.3%
- IWP vs IWF · iShares Russell 1000 Growth ETF 10.8%
- IWP vs IWS · iShares Russell Mid-Cap Value ETF 10.6%
- IWP vs VTI · Vanguard Morningstar Total Stock Market ETF 7.5%
- IWP vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 7.5%
- IWP vs SCHB · Schwab U.S. Broad Market ETF 7.2%
Percentages are holdings overlap with the named fund.
Open IVOO or IWP at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.