SPMDvsMDYETF Comparison
VS
The ETFs State Street SPDR Portfolio S&P 400 Mid Cap ETF (SPMD) and State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) 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. SPMD is less expensive with a Total Expense Ratio (TER) of 0.03%, versus 0.23% for MDY. SPMD is up 15.29% year-to-date (YTD) with +$1.08B in YTD flows. MDY performs worse with 15.04% YTD performance, and -$1.03B in YTD flows. Run a side-by-side ETF comparison of SPMD and MDY below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
Find out how industry players manage ETF portfolios. Discover our library of Model portfolios
SPMD vs MDY performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/22/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SPMD MDY | -0.49%-0.05% | +4.46%+4.16% | +15.29%+15.04% | +20.16%+19.87% | +46.04%+44.79% | +54.04%+50.63% |
| Flows | SPMD MDY | +$82M-$618M | +$669M-$483M | +$1.08B-$1.03B | +$1.94B-$785M | +$6.94B-$988M | +$9.32B-$2.24B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SPMD MDY | +14.54%+14.91% | +15.64%+15.66% | +17.87%+17.79% | +19.56%+19.76% |
| Max drawdown | SPMD MDY | -4.26%-4.24% | -8.82%-8.78% | -23.98%-23.91% | -23.98%-23.91% |
| Max drawdown duration | SPMD MDY | 26d26d | 53d53d | 379d379d | 379d379d |
Trading data
SPMD | MDY | |
Last sale 7/24/2026 at 1:30 PM | $66.38 | $690.71 |
| Previous close 07/23/2026 | $66.11 | $687.93 |
| Consolidated volume 07/23/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of June 30, 2026
1-year trailing difference
Create an account to view replication metrics
Join for free
SPMD | MDY | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
Advertisement
Main metrics
Last update 7/24/2026 at 1:30 PM
Live
Closed
SPMD | MDY | |
|---|---|---|
| Last price | $66.38 | $690.71 |
| 1D performance | +0.41% | +0.40% |
| AuM | $18.33 B | $26.58 B |
| E/R | 0.03% | 0.23% |
Characteristics
SPMD | MDY | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | State Street Investment Management | State Street Investment Management |
| Benchmark | S&P MidCap 400 Index | S&P MidCap 400 Index |
| N° of holdings | 400 | 400 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 8, 2005 | May 4, 1995 |
| ESG | No | No |
Advertisement
Exposure
Countries
SPMD
USA
96.33%
Other
3.67%
MDY
USA
95.41%
Other
4.59%
Sectors
SPMD
Finance
21.83%
Industrials
18.56%
Technology
15.38%
Non-Energy Materi.
10.68%
Healthcare
8.55%
Other
24.99%
MDY
Finance
21.51%
Industrials
18.53%
Technology
15.28%
Non-Energy Materi.
10.61%
Healthcare
8.49%
Other
25.58%
Advertisement
Diversification
SPMD
Total weight of top 15 holdings out of 15
11.17%
MDY
Total weight of top 15 holdings out of 15
11.09%
Top 15 holdings
Data as of June 30, 2026
SPMD
Twilio, Inc.
0.86%
Carpenter Technology Corp.
0.84%
MKS, Inc.
0.83%
Curtiss-Wright Corp.
0.77%
nVent Electric Plc
0.76%
Entegris, Inc.
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%
MDY
Twilio, Inc.
0.86%
Carpenter Technology Corp.
0.84%
MKS, Inc.
0.82%
Curtiss-Wright Corp.
0.77%
nVent Electric Plc
0.75%
Entegris, Inc.
0.75%
ATI, Inc.
0.74%
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%
Frequently asked questions about SPMD and MDY
How have the SPMD and MDY ETFs performed in 2026?
As of July 22, 2026, SPMD is up 15.29% year-to-date (YTD), while MDY has returned 15.04%. That puts SPMD better performer ahead so far this year.
Which ETF is attracting more investor money: SPMD or MDY?
Year-to-date, the SPMD ETF saw +$1.08B in flows, compared to -$1.03B for MDY.
Which ETF is more volatile: SPMD or MDY?
Over the past year, SPMD had a volatility of 15.64%, while MDY experienced 15.66%.
Which ETF is bigger: SPMD or MDY?
As of July 22, 2026, SPMD holds $18.33 B in assets under management (AUM), while MDY manages $26.58 B.
What sectors do the SPMD and MDY ETFs invest in?
SPMD leans toward sectors like Finance, Industrials and Technology. Meanwhile, MDY focuses on Finance, Industrials and Technology.
What are the top holdings of the SPMD ETF and MDY ETF?
SPMD top holdings include Twilio, Inc., Carpenter Technology Corp. and MKS, Inc.. MDY holds in its top three: Twilio, Inc., Carpenter Technology Corp. and MKS, Inc..
Which ETF is more diversified: SPMD or MDY?
SPMD holds 400 securities with 11.17% of its assets in the top 15. MDY has 400 securities and a top 15 weight of 11.09%.
Advertisement
Advertisement
