ETF comparison
IJK vs IVOO
Both US Mid Cap.
iShares S&P Mid-Cap 400 Growth ETF · Vanguard S&P Mid-Cap 400 Index Fund ETF Shares
Holdings overlap
236 positions appear in both funds. Buying equal dollars of IJK and IVOO would leave roughly 62.2% 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
IVOO is 10 bps cheaper than IJK. On a $100,000 position that's about $100/yr more in fees for IJK.
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 IJK vs IVOO.
Top shared holdings
236 shared in total| # | Holding | In IJK | In IVOO | Overlap |
|---|---|---|---|---|
| 1 | TechnipFMC plc | 1.71% | 0.78% | 0.78% |
| 2 | Curtiss-Wright Corp. | 1.54% | 0.75% | 0.75% |
| 3 | Casey's General Stores, Inc. | 1.65% | 0.74% | 0.74% |
| 4 | XPO, Inc. | 1.40% | 0.72% | 0.72% |
| 5 | Royal Gold, Inc. | 1.26% | 0.70% | 0.70% |
| 6 | Flex Ltd. | 1.48% | 0.68% | 0.68% |
| 7 | Woodward, Inc. | 1.31% | 0.67% | 0.67% |
| 8 | ATI, Inc. | 1.21% | 0.64% | 0.64% |
| 9 | United Therapeutics Corp. | 1.57% | 0.63% | 0.63% |
| 10 | Tenet Healthcare Corp. | 1.02% | 0.61% | 0.61% |
| 11 | Illumina, Inc. | 0.62% | 0.60% | 0.60% |
| 12 | Everpure, Inc. | 1.14% | 0.58% | 0.58% |
Only in IJK
8 total- BlackRock Funds III 4.65%
- Moog, Inc. 0.51%
- CareTrust REIT, Inc. 0.50%
- InterDigital, Inc. 0.48%
- SiTime Corp. 0.47%
- Solstice Advanced Materials, Inc. 0.39%
- Vicor Corp. 0.22%
- BlackRock Funds III 0.11%
Only in IVOO
166 total- Lumentum Holdings Inc 1.44%
- Coherent Corp 1.18%
- US Foods Holding Corp 0.62%
- Reliance Inc 0.48%
- Alcoa Corp 0.47%
- Annaly Capital Management Inc 0.46%
- EchoStar Corp 0.45%
- Performance Food Group Co 0.44%
- Toll Brothers Inc 0.44%
- Jones Lang LaSalle Inc 0.43%
Open IJK or IVOO 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.