IVV vs PHO: Holdings Overlap
iShares · 503 holdings · $901.0B · as of 2026-03-31
PHOInvesco Water Resources ETF
Invesco · 36 holdings · $2.1B · as of 2026-04-30
Holdings snapshots are 30 days apart (IVV: 2026-03-31, PHO: 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 IVV and PHO?
iShares Core S&P 500 ETF (IVV, by iShares) holds 503 positions; Invesco Water Resources ETF (PHO, by Invesco) holds 36. They have 9 holdings in common, and by portfolio weight the two funds are 0.4% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 9IVV holds 503 · PHO holds 36
- Weight in Shared Holdings
- IVV 0%·PHO 49%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 IVV
494 of 503 positions (99.3% of the fund) are not held by PHO. Showing the top 30 by weight.
Sector Breakdown
| Sector | IVV | PHO |
|---|---|---|
| Industrials | 9.0% | 55.4% |
| Information Technology | 32.6% | 13.0% |
| Utilities | 2.5% | 12.8% |
| Financials | 12.6% | 0.0% |
| Communication Services | 10.5% | 0.0% |
| Other Sectors | 32.6% | 16.3% |
| Unclassified | 0.0% | 2.5% |
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 (0% of IVV, 2% of PHO).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IVV | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.05% |
| PHO | +5.7% | +4.5% | +3.2% | +8.8% | +5.6% | +12.2% | 0.55% |
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 IVV vs PHO →
Shared Holdings(9)
The top 9 shared positions account for 100% of the overlap, led by ECL, ROP and WAT.
 ECLEcolab, Inc. | 0.12% | 7.14% | 0.12% |
|---|---|---|---|
 ROPRoper Technologies, Inc. | 0.07% | 8.57% | 0.07% |
 WATWaters Corp. | 0.05% | 8.18% | 0.05% |
 XYLXylem, Inc. | 0.05% | 3.85% | 0.05% |
 AWKAmerican Water Works Co., Inc. | 0.05% | 6.95% | 0.05% |
 VLTOVeralto Corp. | 0.04% | 3.83% | 0.04% |
 PNRPentair plc | 0.03% | 3.44% | 0.03% |
 IEXIDEX Corp. | 0.03% | 4.39% | 0.03% |
 AOSA.O. Smith Corp. | 0.01% | 2.85% | 0.01% |
Frequently Asked Questions
How much do IVV and PHO overlap?
IVV and PHO overlap by 0.4% of portfolio weight. They share 9 holdings (IVV holds 503 positions and PHO holds 36), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IVV and PHO?
The two portfolios are 0.4% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IVV and PHO?
The largest positions held by both funds are ECL, ROP, WAT, XYL and AWK. Together the top 9 shared positions account for 100% of the total overlap.
What does IVV own that PHO doesn't?
494 positions (99.3% of IVV) are unique to IVV, led by NVDA, AAPL and MSFT. In the other direction, 27 positions (50.8% of PHO) are unique to PHO.