IWP vs RSPH: Holdings Overlap
IWPiShares Russell Mid-Cap Growth ETF
iShares · 277 holdings · $20.5B · as of 2026-03-31
RSPHInvesco S&P 500 Equal Weight Health Care ETF
Invesco · 59 holdings · $776M · as of 2026-04-30
Holdings snapshots are 30 days apart (IWP: 2026-03-31, RSPH: 2026-04-30). 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 IWP and RSPH?
iShares Russell Mid-Cap Growth ETF (IWP, by iShares) holds 277 positions; Invesco S&P 500 Equal Weight Health Care ETF (RSPH, by Invesco) holds 59. They have 9 holdings in common, and by portfolio weight the two funds are 6.5% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 6.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 9IWP holds 277 · RSPH holds 59
- Weight in Shared Holdings
- IWP 7%·RSPH 15%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 IWP
268 of 277 positions (92.9% of the fund) are not held by RSPH. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWP | RSPH |
|---|---|---|
| Health Care | 14.9% | 100.5% |
| Industrials | 24.4% | 0.0% |
| Consumer Discretionary | 21.2% | 0.0% |
| Information Technology | 15.6% | 0.0% |
| Financials | 8.5% | 0.0% |
| Other Sectors | 15.3% | 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.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IWP | +1.5% | +5.4% | +3.1% | +14.6% | +5.1% | +12.1% | 0.34% |
| RSPH | +3.0% | +12.0% | +28.4% | +7.0% | +3.5% | +8.9% | 0.65% |
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 IWP vs RSPH →
Shared Holdings(9)
The top 9 shared positions account for 100% of the overlap, led by IDXX, COR and CAH.
 IDXXIDEXX Laboratories, Inc. | 1.61% | 1.66% | 1.61% |
|---|---|---|---|
 CORCencora, Inc. | 2.07% | 1.56% | 1.56% |
 CAHCardinal Health, Inc. | 0.91% | 1.59% | 0.91% |
 DXCMDexcom, Inc. | 0.88% | 1.60% | 0.88% |
 PODDInsulet Corp. | 0.53% | 1.28% | 0.53% |
 WATWaters Corp. | 0.33% | 1.85% | 0.33% |
 RMDResMed, Inc. | 0.28% | 1.58% | 0.28% |
 DVADaVita, Inc. | 0.19% | 1.78% | 0.19% |
 INCYIncyte Corp. | 0.14% | 1.79% | 0.14% |
Frequently Asked Questions
How much do IWP and RSPH overlap?
IWP and RSPH overlap by 6.5% of portfolio weight. They share 9 holdings (IWP holds 277 positions and RSPH holds 59), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWP and RSPH?
The two portfolios are 6.5% 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 IWP and RSPH?
The largest positions held by both funds are IDXX, COR, CAH, DXCM and PODD. Together the top 9 shared positions account for 100% of the total overlap.
What does IWP own that RSPH doesn't?
268 positions (92.9% of IWP) are unique to IWP, led by VRT, HWM and RCL. In the other direction, 50 positions (85.8% of RSPH) are unique to RSPH.