Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IGM vs VOOG: how they differ
IGM and VOOG hold 57% of their weight in the same names, and IGM returned more over the year.
iShares Expanded Tech Sector ETF and Vanguard S&P 500 Growth Index Fund.
What they hold in common
By the books each fund has filed, IGM and VOOG hold 57% of their money in the same securities at the same weight.
| Holding | IGM | VOOG |
|---|---|---|
| NVIDIA Corp. | 7.97% | 14.29% |
| Microsoft Corp. | 7.50% | 9.31% |
| Apple, Inc. | 7.92% | 6.38% |
| Broadcom, Inc. | 7.61% | 5.90% |
| Alphabet, Inc. | 4.45% | 6.17% |
| Meta Platforms, Inc. | 4.17% | 3.85% |
| Alphabet, Inc. | 3.55% | 4.90% |
| Micron Technology, Inc. | 5.47% | 3.04% |
| Advanced Micro Devices, Inc. | 4.13% | 2.34% |
| Lam Research Corp. | 2.37% | 1.11% |
| Netflix, Inc. | 1.31% | 1.01% |
| Palantir Technologies, Inc. | 1.17% | 1.00% |
| Only in IGM | Only in VOOG |
|---|---|
| Intel Corp. 2.88% | Amazon.com Inc 3.90% |
| Texas Instruments, Inc. 1.18% | Eli Lilly & Co 2.44% |
| Marvell Technology, Inc. 1.14% | Berkshire Hathaway Inc 2.42% |
| Western Digital Corp. 0.96% | Tesla Inc 2.12% |
| Seagate Technology Holdings plc 0.94% | JPMorgan Chase & Co 1.43% |
| QUALCOMM, Inc. 0.85% | Caterpillar Inc 1.14% |
| Analog Devices, Inc. 0.85% | Johnson & Johnson 0.89% |
| Shopify, Inc. 0.61% | Visa Inc 0.84% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026 and May 31, 2026.
| IGM iShares Expanded Tech Sector ETF | VOOG Vanguard S&P 500 Growth Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | Expanded Tech Sector | S&P 500 Growth |
| Total return, 1 year | +32.7% | +17.8% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +15.2 pts | +0.3 pts |
| Expense ratio | 0.37% | 0.05% |
| Already in the S&P 500 | 92.0% | 100.0% |
| Holdings | 295 | 146 |
IGM in plain words
IGM is an index equity fund tracking the Expanded Tech Sector. Over the year to Sep 11, 2026 it returned +32.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.37% a year. By its holdings filed for Jun 30, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 295 positions, with the top ten at 55.7%. It sat 5.1% below its high of Jun 2, 2026 on Sep 11, 2026.
VOOG in plain words
VOOG is an index equity fund tracking the S&P 500 Growth. Over the year to Sep 11, 2026 it returned +17.8% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.05% a year. By its holdings filed for May 31, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 146 positions, with the top ten at 60.2%.
Questions people ask
- Which returned more over the last year, IGM or VOOG?
- In the year to Sep 12, 2026, with distributions reinvested, IGM returned +32.7% and VOOG returned +17.8%, so IGM returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IGM or VOOG?
- IGM charges 0.37% a year and VOOG charges 0.05%, so VOOG is cheaper. Fees come from each fund's prospectus.
- How much do IGM and VOOG overlap with the S&P 500?
- By their latest filed holdings, 92% of IGM and 100% of VOOG by weight is stocks the S&P 500 already holds. Between the two funds, 57% of their books are the same securities at the same weight.
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Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, IGM against VOOG, data as of Sep 12, 2026. https://etfiq.com/compare/any/IGM-VOOG Free to use with attribution; the underlying files are at Open data.
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