IGV vs IWO: Holdings Overlap
IGViShares Expanded Tech-Software Sector ETF
iShares · 112 holdings · $14.7B · as of 2026-03-31
IWOiShares Russell 2000 Growth ETF
iShares · 1101 holdings · $14.8B · as of 2026-03-31
How similar are IGV and IWO?
iShares Expanded Tech-Software Sector ETF (IGV, by iShares) holds 112 positions; iShares Russell 2000 Growth ETF (IWO, by iShares) holds 1101. They have 42 holdings in common, and by portfolio weight the two funds are 4.2% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 4.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 42IGV holds 112 · IWO holds 1101
- Weight in Shared Holdings
- IGV 4%·IWO 6%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 IGV
70 of 112 positions (95.7% of the fund) are not held by IWO. Showing the top 30 by weight.
Only in IWO
1059 of 1101 positions (93.5% of the fund) are not held by IGV. Showing the top 30 by weight.
Sector Breakdown
| Sector | IGV | IWO |
|---|---|---|
| Information Technology | 90.6% | 19.0% |
| Industrials | 0.2% | 23.7% |
| Health Care | 0.0% | 23.1% |
| Financials | 0.2% | 8.6% |
| Communication Services | 8.2% | 2.3% |
| Other Sectors | 0.2% | 19.2% |
| Unclassified | 0.5% | 4.0% |
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 (0% of IGV, 4% of IWO).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IGV | +9.1% | -2.8% | -6.3% | +13.8% | +4.6% | +16.7% | 0.02% |
| IWO | +1.2% | +21.0% | +34.7% | +17.5% | +5.9% | +11.0% | 0.42% |
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 IGV vs IWO →
Shared Holdings(42)
The top 10 shared positions account for 49% of the overlap, led by IDCC, CWAN and QBTS.
 IDCCInterDigital, Inc. | 0.33% | 0.52% | 0.33% |
|---|---|---|---|
 CWANClearwater Analytics Holdings, Inc., Class A | 0.29% | 0.44% | 0.29% |
 QBTSD-Wave Quantum, Inc. | 0.23% | 0.35% | 0.23% |
 WULFTerawulf, Inc. | 0.20% | 0.28% | 0.20% |
 CORZCore Scientific, Inc. | 0.20% | 0.24% | 0.20% |
 YOUClear Secure, Inc., Class A | 0.18% | 0.29% | 0.18% |
 ACIWACI Worldwide, Inc. | 0.18% | 0.28% | 0.18% |
 CVLTCommvault Systems, Inc. | 0.15% | 0.23% | 0.15% |
 BOXBox, Inc., Class A | 0.14% | 0.17% | 0.14% |
 ZETAZeta Global Holdings Corp., Class A | 0.14% | 0.23% | 0.14% |
 QLYSQualys, Inc. | 0.13% | 0.21% | 0.13% |
 WKWorkiva, Inc., Class A | 0.13% | 0.20% | 0.13% |
 QTWOQ2 Holdings, Inc. | 0.13% | 0.20% | 0.13% |
 SOUNSoundHound AI, Inc., Class A | 0.11% | 0.18% | 0.11% |
 ADEAAdeia, Inc. | 0.11% | 0.15% | 0.11% |
 VRNSVaronis Systems, Inc. | 0.11% | 0.17% | 0.11% |
 BRZEBraze, Inc., Class A | 0.10% | 0.14% | 0.10% |
 ALRMAlarm.com Holdings, Inc. | 0.09% | 0.14% | 0.09% |
 SPSCSPS Commerce, Inc. | 0.09% | 0.14% | 0.09% |
 TENBTenable Holdings, Inc. | 0.09% | 0.13% | 0.09% |
 BLBlackLine, Inc. | 0.08% | 0.12% | 0.08% |
 AGYSAgilysys, Inc. | 0.08% | 0.12% | 0.08% |
 RAMPLiveRamp Holdings, Inc. | 0.07% | 0.11% | 0.07% |
 FRSHFreshworks, Inc., Class A | 0.07% | 0.11% | 0.07% |
 ATENA10 Networks, Inc. | 0.07% | 0.10% | 0.07% |
Frequently Asked Questions
How much do IGV and IWO overlap?
IGV and IWO overlap by 4.2% of portfolio weight. They share 42 holdings (IGV holds 112 positions and IWO holds 1101), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IGV and IWO?
The two portfolios are 4.2% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IGV and IWO?
The largest positions held by both funds are IDCC, CWAN, QBTS, WULF and CORZ. Together the top 10 shared positions account for 49% of the total overlap.
What does IGV own that IWO doesn't?
70 positions (95.7% of IGV) are unique to IGV, led by PLTR, MSFT and ORCL. In the other direction, 1059 positions (93.5% of IWO) are unique to IWO.