ETF comparison
IJJ vs QQQ
US Mid Cap vs US Large Cap Growth.
Holdings overlap
0 positions appear in both funds. Buying equal dollars of IJJ and QQQ would leave roughly 0.0% 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
Expense ratios are effectively identical (0.18% vs 0.18%).
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 IJJ vs QQQ.
Top shared holdings
0 shared in totalNo shared holdings between these funds.
Only in IJJ
299 total- US Foods Holding Corp. 1.29%
- TD SYNNEX Corp. 1.15%
- Reliance, Inc. 1.10%
- Performance Food Group Co. 1.01%
- WESCO International, Inc. 0.97%
- Entegris, Inc. 0.95%
- Annaly Capital Management, Inc. 0.94%
- Regal Rexnord Corp. 0.91%
- Toll Brothers, Inc. 0.90%
- Pinnacle Financial Partners, Inc. 0.87%
Only in QQQ
102 total- NVIDIA Corp. 7.60%
- Apple Inc. 6.67%
- Micron Technology, Inc. 5.64%
- Microsoft Corp. 4.35%
- Advanced Micro Devices, Inc. 4.10%
- Amazon.com, Inc. 4.02%
- Tesla, Inc. 3.30%
- Alphabet Inc. 3.27%
- Intel Corp. 3.04%
- Alphabet Inc. 3.02%
Related comparisons
More comparisons with IJJ
- IJJ vs SPYM · State Street SPDR Portfolio S&P 500 ETF 0.0%
- IJJ vs VOO · Vanguard S&P 500 ETF 0.0%
- IJJ vs VTV · Vanguard Morningstar Value ETF 0.0%
- IJJ vs SPMD · State Street SPDR Portfolio S&P 400 Mid Cap ETF 62.3%
- IJJ vs IJH · iShares Core S&P Mid-Cap ETF 62.3%
- IJJ vs IVOO · Vanguard S&P Mid-Cap 400 Index Fund ETF Shares 61.6%
More comparisons with QQQ
- QQQ vs IJK · iShares S&P Mid-Cap 400 Growth ETF 0.0%
- QQQ vs IJR · iShares Core S&P Small-Cap ETF 0.0%
- QQQ vs IJS · iShares S&P Small-Cap 600 Value ETF 0.0%
- QQQ vs IJT · iShares S&P Small-Cap 600 Growth ETF 0.0%
- QQQ vs IVOO · Vanguard S&P Mid-Cap 400 Index Fund ETF Shares 0.0%
- QQQ vs IWM · iShares Russell 2000 ETF 0.0%
Percentages are holdings overlap with the named fund.
Open IJJ or QQQ 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.