SPMD vs IJK: Holdings Overlap
SPMDState Street® SPDR® Portfolio S&P 400™ Mid Cap ETF
State Street (SPDR) · 399 holdings · $18.5B · as of 2026-08-06
IJKiShares S&P Mid-Cap 400 Growth ETF
iShares · 242 holdings · $11.0B · as of 2026-03-31
Holdings snapshots are 128 days apart (SPMD: 2026-08-06, IJK: 2026-03-31). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are SPMD and IJK?
State Street® SPDR® Portfolio S&P 400™ Mid Cap ETF (SPMD, by State Street (SPDR)) holds 399 positions; iShares S&P Mid-Cap 400 Growth ETF (IJK, by iShares) holds 242. They have 233 holdings in common, and by portfolio weight the two funds are 62.5% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 62.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 233SPMD holds 399 · IJK holds 242
- Weight in Shared Holdings
- SPMD 66%·IJK 95%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in SPMD
166 of 399 positions (39.4% of the fund) are not held by IJK. Showing the top 30 by weight.
Sector Breakdown
| Sector | SPMD | IJK |
|---|---|---|
| Industrials | 26.0% | 31.3% |
| Information Technology | 15.7% | 17.3% |
| Financials | 16.1% | 7.2% |
| Health Care | 10.3% | 14.4% |
| Consumer Discretionary | 11.7% | 10.2% |
| Other Sectors | 25.8% | 19.4% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| SPMD | +3.1% | +18.5% | +26.0% | +14.6% | +9.1% | +11.3% | 1.19% |
| IJK | +3.1% | +21.4% | +27.9% | +15.9% | +8.4% | +11.3% | 0.52% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in SPMD vs IJK →
Shared Holdings(233)
The top 10 shared positions account for 12% of the overlap, led by ATI, TWLO and FTI.
 ATIATI Inc COM | 0.84% | 1.21% | 0.84% |
|---|---|---|---|
 TWLOTwilio, Inc., Class A | 0.81% | 1.17% | 0.81% |
 FTITechnipFMC PLC USD1 | 0.76% | 1.71% | 0.76% |
 CRSCarpenter Technology Corporation COM | 0.76% | 1.20% | 0.76% |
 PEverpure, Inc., Class A | 0.76% | 1.14% | 0.76% |
 NVTNVent Electric PLC COM USD0.01 | 0.73% | 1.17% | 0.73% |
 CWCurtiss-Wright Corporation | 0.73% | 1.54% | 0.73% |
 FIVEFive Below Inc COM | 0.69% | 0.77% | 0.69% |
 OKTAOkta Inc. Class A | 0.66% | 0.82% | 0.66% |
 BURLBurlington Stores Inc. COM | 0.64% | 0.76% | 0.64% |
 XPOXPO Inc COM | 0.63% | 1.40% | 0.63% |
 ILMNIllumina Inc COM | 0.81% | 0.62% | 0.62% |
 UTHRUnited Therapeutics Corporation COM | 0.62% | 1.57% | 0.62% |
 DYDycom Industries, Inc. COM | 0.67% | 0.62% | 0.62% |
 NYTNew York Times Co. (The), Class A | 0.62% | 0.83% | 0.62% |
 THCTenet Healthcare Corporation COM NEW | 0.61% | 1.02% | 0.61% |
 WWDWoodward Inc. COM | 0.60% | 1.31% | 0.60% |
 MTSIMACOM Technology Solutions Holdings Inc. COM | 0.54% | 0.88% | 0.54% |
 MKSIMKS Inc. COM | 0.54% | 0.67% | 0.54% |
 FNFabrinet COM USD0.01 | 0.54% | 1.15% | 0.54% |
 ITTITT Inc COM | 0.53% | 1.00% | 0.53% |
 MOG-AMoog, Inc., Class A | 0.64% | 0.51% | 0.51% |
 RBCRBC Bearings Incorporated | 0.49% | 1.05% | 0.49% |
 RGLDRoyal Gold, Inc. COM | 0.49% | 1.26% | 0.49% |
 RBARB Global Inc COM | 0.47% | 1.09% | 0.47% |
Frequently Asked Questions
How much do SPMD and IJK overlap?
SPMD and IJK overlap by 62.5% of portfolio weight. They share 233 holdings (SPMD holds 399 positions and IJK holds 242), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SPMD and IJK?
The two portfolios are 62.5% identical by weight. Owning both mostly doubles down on the shared core rather than diversifying: the same large positions drive both funds.
What are the biggest shared holdings of SPMD and IJK?
The largest positions held by both funds are ATI, TWLO, FTI, CRS and P. Together the top 10 shared positions account for 12% of the total overlap.
What does SPMD own that IJK doesn't?
166 positions (39.4% of SPMD) are unique to SPMD, led by AA, BJ and SN. In the other direction, 9 positions (5.2% of IJK) are unique to IJK.