IWN vs IWO: Holdings Overlap
IWNiShares Russell 2000 Value ETF
iShares · 1406 holdings · $14.7B · as of 2026-03-31
IWOiShares Russell 2000 Growth ETF
iShares · 1101 holdings · $14.8B · as of 2026-03-31
How similar are IWN and IWO?
iShares Russell 2000 Value ETF (IWN, by iShares) holds 1406 positions; iShares Russell 2000 Growth ETF (IWO, by iShares) holds 1101. They have 565 holdings in common, and by portfolio weight the two funds are 11.8% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 11.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 565IWN holds 1406 · IWO holds 1101
- Weight in Shared Holdings
- IWN 29%·IWO 26%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
841 of 1406 positions (70.2% of the fund) are not held by IWO. Showing the top 30 by weight.
Only in IWO
536 of 1101 positions (74.3% of the fund) are not held by IWN. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWN | IWO |
|---|---|---|
| Industrials | 11.9% | 23.7% |
| Health Care | 10.0% | 23.1% |
| Financials | 22.4% | 8.6% |
| Information Technology | 8.0% | 19.0% |
| Consumer Discretionary | 8.7% | 7.3% |
| Other Sectors | 31.6% | 14.1% |
| Unclassified | 7.1% | 4.0% |
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, 4% of IWO).
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% |
| IWO | +1.2% | +21.0% | +34.7% | +17.5% | +5.9% | +11.0% | 0.42% |
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 IWO →
Shared Holdings(565)
The top 10 shared positions account for 19% of the overlap, led by CDE, NXT and JBTM.
0.66% | 0.64% | 0.64% | |
0.24% | 0.94% | 0.24% | |
0.24% | 0.22% | 0.22% | |
0.26% | 0.21% | 0.21% | |
0.38% | 0.20% | 0.20% | |
0.26% | 0.19% | 0.19% | |
0.62% | 0.19% | 0.19% | |
0.14% | 0.13% | 0.13% | |
0.13% | 0.38% | 0.13% | |
0.13% | 0.15% | 0.13% | |
0.24% | 0.12% | 0.12% | |
0.15% | 0.11% | 0.11% | |
0.11% | 0.12% | 0.11% | |
0.10% | 0.16% | 0.10% | |
0.20% | 0.10% | 0.10% | |
0.13% | 0.10% | 0.10% | |
0.10% | 0.29% | 0.10% | |
0.31% | 0.10% | 0.10% | |
0.19% | 0.10% | 0.10% | |
0.26% | 0.10% | 0.10% | |
0.10% | 0.13% | 0.10% | |
0.32% | 0.10% | 0.10% | |
0.09% | 0.10% | 0.09% | |
0.09% | 0.29% | 0.09% | |
0.10% | 0.09% | 0.09% |
Showing the top 250 of 565 shared holdings by overlap weight.
Frequently Asked Questions
How much do IWN and IWO overlap?
IWN and IWO overlap by 11.8% of portfolio weight. They share 565 holdings (IWN holds 1406 positions and IWO holds 1101), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWN and IWO?
The two portfolios are 11.8% 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 IWO?
The largest positions held by both funds are CDE, NXT, JBTM, SANM and AHR. Together the top 10 shared positions account for 19% of the total overlap.
What does IWN own that IWO doesn't?
841 positions (70.2% of IWN) are unique to IWN, led by ECHO, TTMI and SM. In the other direction, 536 positions (74.3% of IWO) are unique to IWO.