ICLN vs VIOG: Holdings Overlap
ICLNiShares Global Clean Energy ETF
iShares · 123 holdings · $2.3B · as of 2026-04-30
VIOGVanguard S&P Small-cap 600 Growth Index Fund
Vanguard · 342 holdings · $1.1B · as of 2026-05-31
Holdings snapshots are 31 days apart (ICLN: 2026-04-30, VIOG: 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 ICLN and VIOG?
iShares Global Clean Energy ETF (ICLN, by iShares) holds 123 positions; Vanguard S&P Small-cap 600 Growth Index Fund (VIOG, by Vanguard) holds 342. They have 3 holdings in common, and by portfolio weight the two funds are 1.0% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 1.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 3ICLN holds 123 · VIOG holds 342
- Weight in Shared Holdings
- ICLN 4%·VIOG 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 ICLN
120 of 123 positions (95.2% of the fund) are not held by VIOG. Showing the top 30 by weight.
Sector Breakdown
| Sector | ICLN | VIOG |
|---|---|---|
| Industrials | 32.4% | 21.8% |
| Utilities | 19.4% | 1.9% |
| Information Technology | 12.3% | 18.4% |
| Health Care | 0.0% | 14.7% |
| Financials | 0.0% | 14.2% |
| Other Sectors | 1.3% | 28.8% |
| Unclassified | 34.0% | 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 (34% of ICLN, 0% of VIOG).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| ICLN | -5.3% | +11.7% | +34.9% | +4.0% | -3.1% | +8.9% | 1.01% |
| VIOG | +1.1% | +25.9% | +33.8% | +15.2% | +6.8% | +11.2% | 0.75% |
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 ICLN vs VIOG →
Shared Holdings(3)
The top 3 shared positions account for 100% of the overlap, led by CWEN, SEDG and REX.
Frequently Asked Questions
How much do ICLN and VIOG overlap?
ICLN and VIOG overlap by 1.0% of portfolio weight. They share 3 holdings (ICLN holds 123 positions and VIOG holds 342), based on each fund's latest SEC-reported holdings.
Is it redundant to own both ICLN and VIOG?
The two portfolios are 1.0% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of ICLN and VIOG?
The largest positions held by both funds are CWEN, SEDG and REX. Together the top 3 shared positions account for 100% of the total overlap.
What does ICLN own that VIOG doesn't?
120 positions (95.2% of ICLN) are unique to ICLN, led by BE, NXT and FSLR. In the other direction, 339 positions (98.7% of VIOG) are unique to VIOG.