IVOOvsSPMDETF Comparison
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The ETFs Vanguard S&P Mid-Cap 400 ETF (IVOO) and State Street SPDR Portfolio S&P 400 Mid Cap ETF (SPMD) track the S&P MidCap 400 Total Return Index - USD and belong to the same industry segment: US Mid Cap. Both ETFs have the same top 3 sector exposures: Finance, Industrials and Technology. IVOO is more expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.03% for SPMD. IVOO is up 14.56% year-to-date (YTD) with +$368M in YTD flows. SPMD performs better with 14.56% YTD performance, and +$1.12B in YTD flows. Run a side-by-side ETF comparison of IVOO and SPMD 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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IVOO vs SPMD performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/31/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IVOO SPMD | -1.51%-1.51% | +3.63%+3.62% | +14.56%+14.56% | +20.91%+20.93% | +43.88%+44.04% | +50.22%+50.63% |
| Flows | IVOO SPMD | +$87M+$301M | +$194M+$670M | +$368M+$1.12B | +$535M+$1.94B | +$1.23B+$6.95B | +$1.46B+$9.34B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IVOO SPMD | +14.48%+14.49% | +15.63%+15.63% | +17.79%+17.86% | +19.51%+19.56% |
| Max drawdown | IVOO SPMD | -4.26%-4.26% | -8.82%-8.82% | -24.02%-23.98% | -24.02%-23.98% |
| Max drawdown duration | IVOO SPMD | 26d26d | 53d53d | 379d379d | 379d379d |
Trading data
IVOO | SPMD | |
Last sale 8/3/2026 at 2:33 PM | $128.74 | $66.55 |
| Previous close 07/31/2026 | $127.36 | $65.98 |
| Consolidated volume 07/31/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of July 31, 2026
1-year trailing difference
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IVOO | SPMD | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 8/3/2026 at 2:33 PM
Live
Closed
IVOO | SPMD | |
|---|---|---|
| Last price | $128.74 | $66.55 |
| 1D performance | +1.08% | +0.86% |
| AuM | $3.79 B | $18.26 B |
| E/R | 0.07% | 0.03% |
Characteristics
IVOO | SPMD | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | Vanguard | State Street Investment Management |
| Benchmark | S&P MidCap 400 Index | S&P MidCap 400 Index |
| N° of holdings | 402 | 400 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 7, 2010 | November 8, 2005 |
| ESG | No | No |
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Exposure
Countries
IVOO
USA
95.68%
Other
4.32%
SPMD
USA
96.33%
Other
3.67%
Sectors
IVOO
Finance
21.82%
Industrials
18.67%
Technology
15.25%
Non-Energy Materi.
10.59%
Healthcare
8.48%
Other
25.19%
SPMD
Finance
21.83%
Industrials
18.56%
Technology
15.38%
Non-Energy Materi.
10.68%
Healthcare
8.55%
Other
24.99%
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Diversification
IVOO
Total weight of top 15 holdings out of 15
11.07%
SPMD
Total weight of top 15 holdings out of 15
11.17%
Top 15 holdings
Data as of June 30, 2026
IVOO
Twilio, Inc.
0.86%
Carpenter Technology Corp.
0.84%
MKS, Inc.
0.82%
Curtiss-Wright Corp.
0.76%
Entegris, Inc.
0.75%
nVent Electric Plc
0.75%
ATI, Inc.
0.73%
Illumina, Inc.
0.73%
TechnipFMC plc
0.72%
Sterling Infrastructure, Inc.
0.70%
MasTec, Inc.
0.70%
Woodward, Inc.
0.69%
MACOM Technology Solutions Holdings, Inc.
0.68%
Everpure, Inc.
0.68%
XPO, Inc.
0.66%
SPMD
Twilio, Inc.
0.86%
Carpenter Technology Corp.
0.84%
MKS, Inc.
0.83%
Curtiss-Wright Corp.
0.77%
Entegris, Inc.
0.76%
nVent Electric Plc
0.76%
ATI, Inc.
0.74%
Illumina, Inc.
0.73%
TechnipFMC plc
0.73%
Sterling Infrastructure, Inc.
0.71%
MasTec, Inc.
0.71%
Woodward, Inc.
0.70%
MACOM Technology Solutions Holdings, Inc.
0.69%
Everpure, Inc.
0.69%
XPO, Inc.
0.66%
Frequently asked questions about IVOO and SPMD
How have the IVOO and SPMD ETFs performed in 2026?
As of July 31, 2026, IVOO is up 14.56% year-to-date (YTD), while SPMD has returned 14.56%. That puts SPMD better performer ahead so far this year.
Which ETF is attracting more investor money: IVOO or SPMD?
Year-to-date, the IVOO ETF saw +$368M in flows, compared to +$1.12B for SPMD.
Which ETF is more volatile: IVOO or SPMD?
Over the past year, IVOO had a volatility of 15.63%, while SPMD experienced 15.63%.
Which ETF is bigger: IVOO or SPMD?
As of July 31, 2026, IVOO holds $3.79 B in assets under management (AUM), while SPMD manages $18.26 B.
What sectors do the IVOO and SPMD ETFs invest in?
IVOO leans toward sectors like Finance, Industrials and Technology. Meanwhile, SPMD focuses on Finance, Industrials and Technology.
What are the top holdings of the IVOO ETF and SPMD ETF?
IVOO top holdings include Twilio, Inc., Carpenter Technology Corp. and MKS, Inc.. SPMD holds in its top three: Twilio, Inc., Carpenter Technology Corp. and MKS, Inc..
Which ETF is more diversified: IVOO or SPMD?
IVOO holds 402 securities with 11.07% of its assets in the top 15. SPMD has 400 securities and a top 15 weight of 11.17%.
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