IWN vs MDYG: Holdings Overlap
IWNiShares Russell 2000 Value ETF
iShares · 1406 holdings · $14.7B · as of 2026-03-31
MDYGState Street® SPDR® S&P 400™ Mid Cap Growth ETF
State Street (SPDR) · 245 holdings · $2.9B · as of 2026-08-06
Holdings snapshots are 128 days apart (IWN: 2026-03-31, MDYG: 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 IWN and MDYG?
iShares Russell 2000 Value ETF (IWN, by iShares) holds 1406 positions; State Street® SPDR® S&P 400™ Mid Cap Growth ETF (MDYG, by State Street (SPDR)) holds 245. They have 23 holdings in common, and by portfolio weight the two funds are 6.2% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 6.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 23IWN holds 1406 · MDYG holds 245
- Weight in Shared Holdings
- IWN 9%·MDYG 7%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 IWN
1383 of 1406 positions (91.0% of the fund) are not held by MDYG. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWN | MDYG |
|---|---|---|
| Industrials | 11.9% | 29.8% |
| Financials | 22.4% | 8.0% |
| Information Technology | 8.0% | 20.2% |
| Health Care | 10.0% | 15.5% |
| Consumer Discretionary | 8.7% | 9.0% |
| Other Sectors | 31.6% | 17.3% |
| Unclassified | 7.1% | 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 (7% of IWN, 0% of MDYG).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IWN | +2.4% | +25.3% | +42.6% | +16.8% | +9.0% | +10.2% | 1.41% |
| MDYG | +3.3% | +21.6% | +28.0% | +16.0% | +8.5% | +11.3% | 0.56% |
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 IWN vs MDYG →
Shared Holdings(23)
The top 10 shared positions account for 70% of the overlap, led by TTMI, CDE and HL.
 TTMITTM Technologies Inc COM | 0.69% | 0.76% | 0.69% |
|---|---|---|---|
 CDECoeur Mining Inc COM NEW | 0.66% | 0.86% | 0.66% |
 HLHecla Mining Company COM | 0.62% | 0.57% | 0.57% |
 CTRECaretrust Reit Inc COM | 0.51% | 0.52% | 0.51% |
 ENSEnerSys COM | 0.42% | 0.37% | 0.37% |
 ORAOrmat Technologies Inc. COM | 0.47% | 0.35% | 0.35% |
 AHRAmerican Healthcare REIT Inc. COM SHS | 0.38% | 0.34% | 0.34% |
 CYTKCytokinetics Incorporated | 0.48% | 0.32% | 0.32% |
 SBRASabra Health Care REIT, Inc. COM | 0.33% | 0.28% | 0.28% |
 VALValaris Ltd. CL A | 0.42% | 0.27% | 0.27% |
 SANMSanmina Corporation | 0.26% | 0.59% | 0.26% |
 NXTNextpower Inc. CLASS A COM | 0.24% | 0.51% | 0.24% |
 LIVNLivaNova PLC ORD GBP1.00 (DI) | 0.24% | 0.22% | 0.22% |
 GATXGATX Corporation COM | 0.39% | 0.20% | 0.20% |
 ESNTEssent Group Ltd. COM USD0.015 | 0.37% | 0.14% | 0.14% |
 TXNMTXNM Energy Inc. COM | 0.40% | 0.13% | 0.13% |
 TCBITexas Capital Bancshares, Inc. COM | 0.25% | 0.11% | 0.11% |
 SRSpire Inc COM | 0.36% | 0.11% | 0.11% |
 NWENorthWestern Energy Group Inc COM NEW | 0.28% | 0.10% | 0.10% |
 GHCGraham Holdings Co., Class B | 0.23% | 0.10% | 0.10% |
 IBOCInternational Bancshares Corporation | 0.23% | 0.10% | 0.10% |
 CDPCOPT Defense Properties SHS BEN INT | 0.24% | 0.10% | 0.10% |
 CPRICapri Holdings Ltd. COM NPV | 0.14% | 0.05% | 0.05% |
Frequently Asked Questions
How much do IWN and MDYG overlap?
IWN and MDYG overlap by 6.2% of portfolio weight. They share 23 holdings (IWN holds 1406 positions and MDYG holds 245), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWN and MDYG?
The two portfolios are 6.2% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of IWN and MDYG?
The largest positions held by both funds are TTMI, CDE, HL, CTRE and ENS. Together the top 10 shared positions account for 70% of the total overlap.
What does IWN own that MDYG doesn't?
1383 positions (91.0% of IWN) are unique to IWN, led by ECHO, SM and PRAX. In the other direction, 222 positions (92.8% of MDYG) are unique to MDYG.