TRFMvsVOOETF Comparison
VS
AAM Transformers ETF (TRFM) and Vanguard S&P 500 ETF (VOO) belong to the same industry segment: US Large Cap. In contrast, VOO's top sector exposures are Technology, Finance and Healthcare. TRFM is more expensive with a Total Expense Ratio (TER) of 0.49%, versus 0.03% for VOO. TRFM is up 17.39% year-to-date (YTD) with +$206M in YTD flows. VOO performs worse with 13.35% YTD performance, and +$107.85B in YTD flows. Run a side-by-side ETF comparison of TRFM and VOO below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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TRFM vs VOO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/19/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | TRFM VOO | -6.09%-0.90% | -3.65%+3.60% | +17.39%+13.35% | +12.83%+15.48% | +112.76%+86.75% | n/a+82.41% |
| Flows | TRFM VOO | +$60M-$30.18B | +$110M+$33.21B | +$206M+$107.85B | +$213M+$151.34B | +$263M+$371.83B | -+$449.25B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | TRFM VOO | +23.90%+11.09% | +26.25%+12.72% | +25.51%+14.89% | n/a+17.11% |
| Max drawdown | TRFM VOO | -11.50%-3.03% | -13.06%-8.90% | -28.33%-18.75% | n/a-24.52% |
| Max drawdown duration | TRFM VOO | 67d53d | 72d76d | 125d126d | n/a708d |
Trading data
TRFM | VOO | |
Last sale 10/20/2026 at 1:45 PM | $55.00 | $704.77 |
| Previous close 10/19/2026 | $55.87 | $704.60 |
| Consolidated volume 10/19/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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TRFM | VOO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/20/2026 at 1:45 PM
Live
Closed
TRFM | VOO | |
|---|---|---|
| Last price | $55.00 | $704.77 |
| 1D performance | -1.56% | +0.02% |
| AuM | $325.25 M | $1,049.58 B |
| E/R | 0.49% | 0.03% |
Characteristics
TRFM | VOO | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | Advisors Asset Management | Vanguard |
| Benchmark | Pence Transformers Index | S&P 500 Index |
| N° of holdings | - | 500 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | July 12, 2022 | September 7, 2010 |
| ESG | No | No |
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Exposure
Countries
TRFM
Data will be available soon
VOO
USA
97.46%
Other
2.54%
Sectors
TRFM
Data will be available soon
VOO
Technology
45.25%
Finance
13.57%
Healthcare
9.09%
Consumer Non-Cycl.
8.88%
Industrials
7.47%
Other
15.75%
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Diversification
TRFM
Data will be available soon
VOO
Total weight of top 15 holdings out of 15
44.17%
Top 15 holdings
Data as of January 1, 1970
TRFM
Data will be available soon
VOO
NVIDIA Corp.
8.08%
Apple, Inc.
7.03%
Microsoft Corp.
5.69%
Amazon.com, Inc.
3.84%
Alphabet, Inc.
3.01%
Broadcom Inc.
2.65%
Alphabet, Inc.
2.39%
Meta Platforms, Inc.
1.90%
Micron Technology, Inc.
1.63%
Tesla, Inc.
1.56%
JPMorgan Chase & Co.
1.44%
Berkshire Hathaway, Inc.
1.40%
Eli Lilly & Co.
1.38%
Advanced Micro Devices, Inc.
1.16%
ExxonMobil Holdings Corp.
1.01%
Frequently asked questions about TRFM and VOO
How have the TRFM and VOO ETFs performed in 2026?
As of October 19, 2026, TRFM is up 17.39% year-to-date (YTD), while VOO has returned 13.35%. That puts TRFM better performer ahead so far this year.
Which ETF is attracting more investor money: TRFM or VOO?
Year-to-date, the TRFM ETF saw +$206M in flows, compared to +$107.85B for VOO.
Which ETF is more volatile: TRFM or VOO?
Over the past year, TRFM had a volatility of 26.25%, while VOO experienced 12.72%.
Which ETF is bigger: TRFM or VOO?
As of October 19, 2026, TRFM holds $325.25 M in assets under management (AUM), while VOO manages $1,049.58 B.
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Latest news about TRFM & VOO
The Weekly ETF Market Monitor (October 12-16, 2026)
October 19, 2026
VOO
The Weekly ETF Market Monitor (October 5-9, 2026)
October 12, 2026
VOO
The Weekly ETF Market Monitor (September 28-October 2, 2026)
October 2, 2026
VOO
The Weekly ETF Market Monitor (September 21-25, 2026)
September 26, 2026
VOO
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The Weekly ETF Market Monitor (September 14-18, 2026)
September 19, 2026
VOO
The Weekly ETF Market Monitor (September 14-18, 2026)
September 19, 2026
VOO
The Weekly ETF Market Monitor (September 7-11, 2026)
September 14, 2026
VOO
The Weekly ETF Market Monitor (August 31- September 4, 2026)
September 7, 2026
VOO
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