Data as of Sep 4, 2026. Both funds on the fields they both publish, from the same sources.
ISPY vs VOO
ProShares S&P 500 High Income ETF and Vanguard 500 Index Fund.
What they hold in common
By the books each fund has filed, ISPY and VOO hold 86% of their money in the same securities at the same weight.
| Holding | ISPY | VOO |
|---|---|---|
| NVIDIA Corp. | 7.07% | 7.53% |
| Apple, Inc. | 6.31% | 6.61% |
| Microsoft Corp. | 4.60% | 4.31% |
| Amazon.com, Inc. | 3.64% | 3.63% |
| Alphabet, Inc. | 3.05% | 3.26% |
| Broadcom, Inc. | 2.92% | 2.78% |
| Alphabet, Inc. | 2.42% | 2.60% |
| Meta Platforms, Inc. | 1.91% | 1.92% |
| Tesla, Inc. | 1.69% | 1.84% |
| Micron Technology, Inc. | 1.50% | 2.02% |
| Eli Lilly & Co. | 1.21% | 1.48% |
| Berkshire Hathaway, Inc. | 1.20% | 1.43% |
| Only in ISPY | Only in VOO |
|---|---|
| ProShares GENIUS Money Market ETF 10.56% | Marvell Technology Inc 0.41% |
| Linde plc 0.32% | Linde PLC 0.37% |
| Seagate Technology Holdings plc 0.26% | Seagate Technology Holdings PLC 0.34% |
| Eaton Corp. plc 0.21% | Eaton Corp PLC 0.26% |
| Honeywell International, Inc. 0.21% | Chubb Ltd 0.19% |
| Accenture plc 0.16% | Trane Technologies PLC 0.17% |
| Chubb Ltd. 0.16% | Medtronic PLC 0.16% |
| Trane Technologies plc 0.14% | Johnson Controls International plc 0.14% |
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 as filed for Jun 30, 2026 and May 31, 2026.
| ISPY ProShares S&P 500 High Income ETF | VOO Vanguard 500 Index Fund | |
|---|---|---|
| Where it sits | Income desk | Core fund |
| Issuer | ProShares | Vanguard |
| What it is | covered call, vs SPY | S&P 500 |
| Total return, 1 year | +16.9% | +20.1% |
| S&P 500 over the same days | +20.0% | +20.0% |
| Gap to the S&P 500 | −3.1 pts | +0.1 pts |
| Cash paid, 1 year | 5.7% | not an income fund |
| Expense ratio | not published | 0.03% |
| Holdings | n/a | 506 |
ISPY in plain words
Over the year to Sep 4, 2026, ISPY paid 5.7% of its starting value in cash distributions while its price rose 10.8%. With every distribution reinvested, the fund returned +16.9%. S&P 500 (SPY) returned +20.0% over the same days, so a holder was behind by 3.1 pts. At its price on Sep 4, 2026 the latest distribution annualises to 5.8%, paid monthly.
VOO in plain words
VOO is a index equity fund tracking S&P 500. Over the year to Sep 4, 2026 it returned +20.1% with distributions reinvested, against +20.0% for the S&P 500 and +25.6% for the Nasdaq-100. The prospectus expense ratio is 0.03% a year. By its holdings filed for Jun 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 506 positions, with the top ten at 36.5%.
Questions people ask
- Which returned more over the last year, ISPY or VOO?
- In the year to Sep 4, 2026, with distributions reinvested, ISPY returned +16.9% and VOO returned +20.1%, so VOO returned more. One year is one year; the longer windows are in the table.
- Are ISPY and VOO the same kind of fund?
- No. ISPY is an option-income ETF and VOO is an index ETF, so they are built for different jobs. The table compares what both publish: return, cost and what each actually holds.
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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, ISPY against VOO, data as of Sep 4, 2026. https://etfiq.com/compare/any/ISPY-VOO.html Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources