IWP vs VOX: Holdings Overlap
IWPiShares Russell Mid-Cap Growth ETF
iShares · 277 holdings · $20.5B · as of 2026-03-31
VOXVanguard Communication Services Index Fund
Vanguard · 114 holdings · $5.9B · as of 2026-05-31
Holdings snapshots are 61 days apart (IWP: 2026-03-31, VOX: 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 IWP and VOX?
iShares Russell Mid-Cap Growth ETF (IWP, by iShares) holds 277 positions; Vanguard Communication Services Index Fund (VOX, by Vanguard) holds 114. They have 18 holdings in common, and by portfolio weight the two funds are 4.9% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 4.9%Sum of the smaller weight of each shared holding
- Shared Holdings
- 18IWP holds 277 · VOX holds 114
- Weight in Shared Holdings
- IWP 5%·VOX 13%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
259 of 277 positions (95.0% of the fund) are not held by VOX. Showing the top 30 by weight.
Only in VOX
96 of 114 positions (86.7% of the fund) are not held by IWP. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWP | VOX |
|---|---|---|
| Communication Services | 4.9% | 99.7% |
| Industrials | 24.4% | 0.0% |
| Consumer Discretionary | 21.2% | 0.0% |
| Information Technology | 15.6% | 0.0% |
| Health Care | 14.9% | 0.0% |
| Other Sectors | 18.9% | 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% |
| VOX | -1.3% | -2.7% | +8.9% | +20.4% | +6.4% | +8.3% | 1.05% |
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 VOX →
Shared Holdings(18)
The top 10 shared positions account for 97% of the overlap, led by RBLX, LYV and RDDT.
 RBLXRoblox Corporation CL A | 1.26% | 1.36% | 1.26% |
|---|---|---|---|
 LYVLive Nation Entertainment, Inc. COM | 0.87% | 1.64% | 0.87% |
 RDDTReddit, Inc., Class A | 0.63% | 1.07% | 0.63% |
 ASTSAST SpaceMobile, Inc., Class A | 0.60% | 1.42% | 0.60% |
 TTWOTake-Two Interactive Software Inc. COM | 0.44% | 2.08% | 0.44% |
 TTDTrade Desk, Inc. (The), Class A | 0.36% | 0.57% | 0.36% |
 TKOTKO Group Holdings, Inc., Class A | 0.20% | 0.83% | 0.20% |
 FWONKLiberty Media Corp.-Liberty Formula One, Class C | 0.20% | 1.16% | 0.20% |
 PINSPinterest, Inc., Class A | 0.19% | 0.72% | 0.19% |
 ROKURoku, Inc., Class A | 0.06% | 1.02% | 0.06% |
 LBRDKLiberty Broadband Corporation COM SER C | 0.04% | 0.23% | 0.04% |
 DJTTrump Media & Technology Group Corp COM | 0.03% | 0.09% | 0.03% |
 DVDoubleVerify Holdings Inc COM | 0.02% | 0.08% | 0.02% |
 NXSTNexstar Media Group Inc COMMON STOCK | 0.01% | 0.31% | 0.01% |
 GLIBKGCI Liberty, Inc., Class C | 0.01% | 0.05% | 0.01% |
 IRDMIridium Communications, Inc. COM | 0.01% | 0.29% | 0.01% |
 LBRDALiberty Broadband Corporation COM SER A | 0.01% | 0.04% | 0.01% |
 GLIBAGCI Liberty, Inc., Class A | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
How much do IWP and VOX overlap?
IWP and VOX overlap by 4.9% of portfolio weight. They share 18 holdings (IWP holds 277 positions and VOX holds 114), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWP and VOX?
The two portfolios are 4.9% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IWP and VOX?
The largest positions held by both funds are RBLX, LYV, RDDT, ASTS and TTWO. Together the top 10 shared positions account for 97% of the total overlap.
What does IWP own that VOX doesn't?
259 positions (95.0% of IWP) are unique to IWP, led by VRT, HWM and RCL. In the other direction, 96 positions (86.7% of VOX) are unique to VOX.