IJR vs SPMD: Holdings Overlap
IJRiShares Core S&P Small-Cap ETF
iShares · 605 holdings · $113.4B · as of 2026-03-31
SPMDState Street® SPDR® Portfolio S&P 400™ Mid Cap ETF
State Street (SPDR) · 399 holdings · $18.5B · as of 2026-08-06
Holdings snapshots are 128 days apart (IJR: 2026-03-31, SPMD: 2026-08-06). 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 IJR and SPMD?
iShares Core S&P Small-Cap ETF (IJR, by iShares) holds 605 positions; State Street® SPDR® Portfolio S&P 400™ Mid Cap ETF (SPMD, by State Street (SPDR)) holds 399. They have 7 holdings in common, and by portfolio weight the two funds are 2.1% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 2.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 7IJR holds 605 · SPMD holds 399
- Weight in Shared Holdings
- IJR 3%·SPMD 2%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 IJR
598 of 605 positions (95.3% of the fund) are not held by SPMD. Showing the top 30 by weight.
Sector Breakdown
| Sector | IJR | SPMD |
|---|---|---|
| Industrials | 17.1% | 26.0% |
| Financials | 17.4% | 16.1% |
| Information Technology | 12.7% | 15.7% |
| Consumer Discretionary | 13.2% | 11.7% |
| Health Care | 11.1% | 10.3% |
| Other Sectors | 26.0% | 25.8% |
| Unclassified | 0.9% | 0.0% |
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. “Unclassified” is weight we could not classify (1% of IJR, 0% of SPMD).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IJR | +2.4% | +24.5% | +36.4% | +14.5% | +7.7% | +10.9% | 1.10% |
| SPMD | +3.1% | +18.5% | +26.0% | +14.6% | +9.1% | +11.3% | 1.19% |
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 IJR vs SPMD →
Shared Holdings(7)
The top 7 shared positions account for 100% of the overlap, led by SMTC, SANM and MOH.
 SMTCSemtech Corporation COM | 0.46% | 0.67% | 0.46% |
|---|---|---|---|
 SANMSanmina Corporation | 0.46% | 0.30% | 0.30% |
 MOHMolina Healthcare, Inc. COM | 0.45% | 0.27% | 0.27% |
 DOCNDigitalOcean Holdings Inc COM | 0.44% | 0.27% | 0.27% |
 BTSGBrightSpring Health Services Inc. COM | 0.37% | 0.26% | 0.26% |
 VIAVViavi Solutions Inc COM | 0.50% | 0.26% | 0.26% |
 KRYSKrystal Biotech Inc COM | 0.44% | 0.23% | 0.23% |
Frequently Asked Questions
How much do IJR and SPMD overlap?
IJR and SPMD overlap by 2.1% of portfolio weight. They share 7 holdings (IJR holds 605 positions and SPMD holds 399), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IJR and SPMD?
The two portfolios are 2.1% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IJR and SPMD?
The largest positions held by both funds are SMTC, SANM, MOH, DOCN and BTSG. Together the top 7 shared positions account for 100% of the total overlap.
What does IJR own that SPMD doesn't?
598 positions (95.3% of IJR) are unique to IJR, led by EMN, ESI and PRIM. In the other direction, 392 positions (103.4% of SPMD) are unique to SPMD.