ETF comparison
IWO vs VTWO
Both US Small Cap.
iShares Russell 2000 Growth ETF · Vanguard Russell 2000 Index Fund ETF Shares
Holdings overlap
1,086 positions appear in both funds. Buying equal dollars of IWO and VTWO would leave roughly 56.3% of each dollar exposed to the same underlying securities.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
VTWO is 18 bps cheaper than IWO. On a $100,000 position that's about $180/yr more in fees for IWO.
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 IWO vs VTWO.
Top shared holdings
1,086 shared in total| # | Holding | In IWO | In VTWO | Overlap |
|---|---|---|---|---|
| 1 | Bloom Energy Corp. | 1.99% | 1.11% | 1.11% |
| 2 | Fabrinet | 1.26% | 0.64% | 0.64% |
| 3 | Coeur Mining, Inc. | 0.64% | 0.57% | 0.57% |
| 4 | Credo Technology Group Holding Ltd. | 1.02% | 0.56% | 0.56% |
| 5 | Nextpower, Inc. | 0.94% | 0.50% | 0.50% |
| 6 | Kratos Defense & Security Solutions, Inc. | 0.86% | 0.47% | 0.47% |
| 7 | IonQ, Inc. | 0.67% | 0.42% | 0.42% |
| 8 | Sterling Infrastructure, Inc. | 0.81% | 0.42% | 0.42% |
| 9 | Advanced Energy Industries, Inc. | 0.82% | 0.41% | 0.41% |
| 10 | Ensign Group, Inc. (The) | 0.76% | 0.39% | 0.39% |
| 11 | Modine Manufacturing Co. | 0.76% | 0.39% | 0.39% |
| 12 | Dycom Industries, Inc. | 0.66% | 0.38% | 0.38% |
Only in IWO
18 total- BlackRock Funds III 13.68%
- Piper Sandler Cos. 0.36%
- BlackRock Funds III 0.04%
- fuboTV, Inc. 0.02%
- Brookfield Business Corp. 0.02%
- Cardinal Infrastructure Group, Inc. 0.02%
- Wealthfront Corp. 0.01%
- agilon health, Inc. 0.01%
- Akero Therapeutics, Inc. 0.00%
- Sanofi Aatd, Inc. 0.00%
Only in VTWO
874 total- EchoStar Corp 0.51%
- TTM Technologies Inc 0.35%
- Fluor Corp 0.28%
- Commercial Metals Co 0.27%
- Vaxcyte Inc 0.25%
- Jackson Financial Inc 0.25%
- Terreno Realty Corp 0.22%
- Essential Properties Realty Trust Inc 0.22%
- SSR Mining Inc 0.21%
- Ormat Technologies Inc 0.21%
Open IWO or VTWO 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.