ETF comparison
IJKvsSPMD
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 roughly65.5%of each dollar exposed to the same underlying securities.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — seewhat we don't scorefor 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 thecost 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
2 total- BlackRock Funds III5.77%
- BlackRock Funds III0.09%
Only in SPMD
158 total- US Foods Holding Corp0.62%
- TD SYNNEX Corp0.55%
- Reliance Inc0.53%
- Performance Food Group Co0.48%
- WESCO International Inc0.46%
- Annaly Capital Management Inc0.45%
- Regal Rexnord Corp0.44%
- Toll Brothers Inc0.43%
- Pinnacle Financial Partners Inc0.42%
- Aramark0.41%
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 methodologyand 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.