ETF comparison
IJK vs SPMD
Both US Mid Cap.
iShares S&P Mid-Cap 400 Growth ETF · State Street SPDR Portfolio S&P 400 Mid Cap ETF
Holdings overlap
243 positions appear in both funds. Buying equal dollars of IJK and SPMD would leave roughly 65.5% 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
SPMD is 13 bps cheaper than IJK. On a $100,000 position that's about $130/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 SPMD.
Top shared holdings
243 shared in total| # | Holding | In IJK | In SPMD | Overlap |
|---|---|---|---|---|
| 1 | Twilio, Inc. | 1.66% | 0.86% | 0.86% |
| 2 | Carpenter Technology Corp. | 1.62% | 0.84% | 0.84% |
| 3 | MKS, Inc. | 1.13% | 0.83% | 0.83% |
| 4 | Curtiss-Wright Corp. | 1.48% | 0.77% | 0.77% |
| 5 | nVent Electric plc | 1.45% | 0.76% | 0.76% |
| 6 | ATI, Inc. | 1.42% | 0.74% | 0.74% |
| 7 | Illumina, Inc. | 0.76% | 0.73% | 0.73% |
| 8 | TechnipFMC plc | 1.40% | 0.73% | 0.73% |
| 9 | Sterling Infrastructure, Inc. | 1.36% | 0.71% | 0.71% |
| 10 | MasTec, Inc. | 1.36% | 0.71% | 0.71% |
| 11 | Woodward, Inc. | 1.34% | 0.70% | 0.70% |
| 12 | MACOM Technology Solutions Holdings, Inc. | 1.32% | 0.69% | 0.69% |
Only in IJK
0 totalEvery IJK position is also held by SPMD.
Only in SPMD
157 total- US Foods Holding Corp 0.62%
- TD SYNNEX Corp 0.55%
- Reliance Inc 0.53%
- Performance Food Group Co 0.48%
- WESCO International Inc 0.46%
- Annaly Capital Management Inc 0.45%
- Regal Rexnord Corp 0.44%
- Toll Brothers Inc 0.43%
- Pinnacle Financial Partners Inc 0.42%
- Aramark 0.41%
Related comparisons
More comparisons with IJK
- IJK vs IJH · iShares Core S&P Mid-Cap ETF 65.5%
- IJK vs IVOO · Vanguard S&P Mid-Cap 400 Index Fund ETF Shares 63.3%
- IJK vs MDY · State Street SPDR S&P MIDCAP 400 ETF Trust 58.0%
- IJK vs BBMC · JPMorgan BetaBuilders U.S. Mid Cap Equity ETF 38.3%
- IJK vs SCHM · Schwab U.S. Mid-Cap ETF 36.3%
- IJK vs VB · Vanguard Morningstar Small-Cap ETF 29.4%
More comparisons with SPMD
- SPMD vs IJJ · iShares S&P Mid-Cap 400 Value ETF 62.3%
- SPMD vs BBMC · JPMorgan BetaBuilders U.S. Mid Cap Equity ETF 57.9%
- SPMD vs SCHM · Schwab U.S. Mid-Cap ETF 54.2%
- SPMD vs VB · Vanguard Morningstar Small-Cap ETF 43.5%
- SPMD vs AVMV · Avantis U.S. Mid Cap Value ETF 24.6%
- SPMD vs IWS · iShares Russell Mid-Cap Value ETF 24.0%
Percentages are holdings overlap with the named fund.
Open IJK or SPMD 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.