PHO vs VIOV: Holdings Overlap
PHOInvesco Water Resources ETF
Invesco · 36 holdings · $2.1B · as of 2026-04-30
VIOVVanguard S&P Small-cap 600 Value Index Fund
Vanguard · 460 holdings · $1.9B · as of 2026-05-31
Holdings snapshots are 31 days apart (PHO: 2026-04-30, VIOV: 2026-05-31). 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 PHO and VIOV?
Invesco Water Resources ETF (PHO, by Invesco) holds 36 positions; Vanguard S&P Small-cap 600 Value Index Fund (VIOV, by Vanguard) holds 460. They have 9 holdings in common, and by portfolio weight the two funds are 1.4% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 1.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 9PHO holds 36 · VIOV holds 460
- Weight in Shared Holdings
- PHO 9%·VIOV 1%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 PHO
27 of 36 positions (91.1% of the fund) are not held by VIOV.
Sector Breakdown
| Sector | PHO | VIOV |
|---|---|---|
| Industrials | 55.4% | 12.6% |
| Financials | 0.0% | 21.0% |
| Consumer Discretionary | 0.0% | 14.9% |
| Information Technology | 13.0% | 13.3% |
| Utilities | 12.8% | 2.3% |
| Other Sectors | 16.3% | 35.4% |
| Unclassified | 2.5% | 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 (2% of PHO, 0% of VIOV).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| PHO | +5.7% | +4.5% | +3.2% | +8.8% | +5.6% | +12.2% | 0.55% |
| VIOV | +3.7% | +23.2% | +39.7% | +13.8% | +8.4% | +10.4% | 1.64% |
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 PHO vs VIOV →
Shared Holdings(9)
The top 9 shared positions account for 100% of the overlap, led by HTO, FELE and CWT.
 HTOH2O America COM | 0.74% | 0.25% | 0.25% |
|---|---|---|---|
 FELEFranklin Electric Co Inc COM | 1.33% | 0.20% | 0.20% |
 CWTCalifornia Water Service Group COM | 0.63% | 0.16% | 0.16% |
 MWAMueller Water Products, Inc. COM SER A | 1.17% | 0.16% | 0.16% |
 ITRIItron, Inc. COM | 2.70% | 0.16% | 0.16% |
 LNNLindsay Corp COM | 0.44% | 0.13% | 0.13% |
 HWKNHawkins Inc COM | 0.98% | 0.12% | 0.12% |
 AWRAmerican States Water Co. COM | 0.70% | 0.12% | 0.12% |
 MSEXMiddlesex Water Co. COM | 0.23% | 0.05% | 0.05% |
Frequently Asked Questions
How much do PHO and VIOV overlap?
PHO and VIOV overlap by 1.4% of portfolio weight. They share 9 holdings (PHO holds 36 positions and VIOV holds 460), based on each fund's latest SEC-reported holdings.
Is it redundant to own both PHO and VIOV?
The two portfolios are 1.4% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of PHO and VIOV?
The largest positions held by both funds are HTO, FELE, CWT, MWA and ITRI. Together the top 9 shared positions account for 100% of the total overlap.
What does PHO own that VIOV doesn't?
27 positions (91.1% of PHO) are unique to PHO, led by FERG, ROP and WAT. In the other direction, 451 positions (98.2% of VIOV) are unique to VIOV.