ETF comparison
IGM vs IYW
Both Technology.
iShares Expanded Tech Sector ETF · iShares U.S. Technology ETF
Holdings overlap
118 positions appear in both funds. Buying equal dollars of IGM and IYW would leave roughly 73.1% of each dollar exposed to the same underlying securities.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
IYW is 1 bps cheaper than IGM. On a $100,000 position that's about $10/yr more in fees for IGM.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with IGM vs IYW.
Top shared holdings
118 shared in total| # | Holding | In IGM | In IYW | Overlap |
|---|---|---|---|---|
| 1 | Apple, Inc. | 8.76% | 13.63% | 8.76% |
| 2 | NVIDIA Corp. | 8.44% | 16.23% | 8.44% |
| 3 | Alphabet, Inc. | 4.65% | 7.84% | 4.65% |
| 4 | Microsoft Corp. | 8.23% | 3.99% | 3.99% |
| 5 | Broadcom, Inc. | 8.16% | 3.78% | 3.78% |
| 6 | Alphabet, Inc. | 3.73% | 6.33% | 3.73% |
| 7 | Meta Platforms, Inc. | 4.17% | 2.80% | 2.80% |
| 8 | Micron Technology, Inc. | 2.51% | 2.98% | 2.51% |
| 9 | Advanced Micro Devices, Inc. | 2.19% | 3.50% | 2.19% |
| 10 | Palantir Technologies, Inc. | 2.20% | 1.86% | 1.86% |
| 11 | Applied Materials, Inc. | 1.79% | 1.92% | 1.79% |
| 12 | Lam Research Corp. | 1.76% | 1.98% | 1.76% |
Only in IGM
172 total- Netflix, Inc. 2.68%
- Cisco Systems, Inc. 2.02%
- BlackRock Funds III 1.26%
- Shopify, Inc. 0.96%
- Arista Networks, Inc. 0.84%
- Accenture plc 0.80%
- Seagate Technology Holdings plc 0.56%
- Motorola Solutions, Inc. 0.47%
- TE Connectivity plc 0.40%
- Ciena Corp. 0.36%
Only in IYW
21 total- VERTIV HOLDINGS CO 0.77%
- DOORDASH, INC. 0.38%
- LEIDOS HOLDINGS, INC. 0.12%
- SS&C TECHNOLOGIES HOLDINGS, INC. 0.09%
- TOAST, INC. 0.08%
- CACI INTERNATIONAL INC. 0.07%
- GLOBALFOUNDRIES INC. 0.05%
- Maplebear Inc 0.04%
- Amdocs Limited 0.04%
- PAYCOM SOFTWARE, INC. 0.04%
Open IGM or IYW at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.