MDY
State Street SPDR S&P MidCap 400 ETF Trust·ARCA
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Key Stats
Assets Under Management
25.38BUSD
Fund Flows (1Y)
-1.31BUSD
Dividend Yield
1.05%
Discount/Premium to NAV
-0.04%
Shares Outstanding
38.99M
Expense Ratio
0.23%
About State Street SPDR S&P MidCap 400 ETF Trust
Issuer
State Street Global Advisors
Brand
SPDR
Inception Date
May 4, 1995
Structure
Unit Investment Trust
Index Tracked
S&P MidCap 400 Index
Management Style
Passive
Dividend Treatment
Distributes
Distribution Tax Treatment
Qualified dividends
Income Tax Type
Capital Gains
Max ST Capital Gains Rate
39.60%
Max LT Capital Gains Rate
20.00%
Primary Advisor
State Street Global Advisors Trust Co.
Distributor
ALPS Distributors, Inc.
MDY, as one of the first ETFs to launch in the US, the fund offers extremely liquid exposure to a popular mid-cap index. It is one of several funds tracking the S&P mid-cap 400 Index. Unlike most competitors, MDY uses the unit investment trust structure, which requires a direct replication of its underlying index and doesn't allow for reinvesting dividends between distribution dates or for lending out securities. While this older legal structure is perfectly serviceable, it hinders the fund's tracking in comparison to competitors. Although the fund bills itself as mid-caps only, in comparison to our large-leaning benchmark it includes a small-cap tilt causing a lower average market cap. Still, the fund is a good representation of its segment of the market, taking no significant sector bets and avoiding concentrated holdings. While very long-term investors might prefer peer funds, MDY is a solid and extremely popular choice in the mid-cap space.
Classification
Asset Class
Equity
Category
Size and Style
Focus
Mid Cap
Niche
Broad-based
Strategy
Vanilla
Geography
U.S.
Weighting Scheme
Market Cap
Selection Criteria
Committee
Returns
1-Month | 3-Month | YTD | 1-Year | 3-Year | 5-Year | |
|---|---|---|---|---|---|---|
Price Performance | +4.26% | +9.70% | +8.16% | +9.99% | +33.53% | +44.23% |
NAV Total Return | +1.09% | +8.77% | +3.92% | +8.46% | +34.98% | +47.25% |
Ratings
No data is currently available
Ainvest’s AI-powered ETF Scoring Algorithm, built to help retail investors make smarter, data-driven decisions. Leveraging deep learning, reinforcement learning, and large language models, the algorithm scores ETFs across five key dimensions: Fund Flow, Momentum, Safety, Fundamentals, and Performance. Each factor is weighted by its correlation to future returns, resulting in a single, actionable score. Backtested over five years with consistently strong predictive accuracy. Ainvest brings institutional-grade artificial intelligence to everyday investors—transforming complexity into clarity with every score.
Holdings Analysis
Sector
Industrials
21.86%
Technology
16.09%
Financial Services
15.63%
Consumer Cyclical
12.09%
Healthcare
9.27%
Real Estate
7.19%
Basic Materials
4.65%
Energy
4.24%
Consumer Defensive
3.93%
Industrials
21.86%
Technology
16.09%
Financial Services
15.63%
Consumer Cyclical
12.09%
Healthcare
9.27%
Real Estate
7.19%
Basic Materials
4.65%
Energy
4.24%
Consumer Defensive
3.93%
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Asset
Region
98.06%
0.87%
0.87%
0.2%
Category
Ratio
North America
98.06%
Latin America
0.87%
Europe
0.87%
Asia
0.20%
Investment Style
Mega
Large
Medium
Multi
Small
Value
Blend
Growth
Medium-Cap Blend
Invests in mid-cap companies with a blend of value and growth features. These ETFs offer a balance between reasonable valuations and potential for growth.
Top 10 Holdings
Symbol
Ratio
CIEN
Ciena
1.04%
COHR
Coherent
0.97%
LITE
Lumentum Holdings
0.96%
CASY
Casey's
0.70%
CW
Curtiss-Wright
0.67%
FTI
TechnipFMC
0.67%
U.S. Dollar
0.66%
WWD
Woodward
0.65%
FLEX
Flex
0.63%
RGLD
Royal Gold
0.63%
Top 10 Weight 7.6%
401 Total Holdings
Is SPY better than MDY?
Dividends
Dividend Payout History
Declaration Date | Record Date | Payment Date | Amount |
|---|---|---|---|
| 2025-12-19 | 2025-12-19 | 2026-01-30 | 2.184 |
| 2025-09-19 | 2025-09-19 | 2025-10-31 | 1.619 |
| 2025-06-20 | 2025-06-20 | 2025-07-31 | 1.803 |
| 2025-03-21 | 2025-03-21 | 2025-04-30 | 1.308 |
| 2024-12-20 | 2024-12-20 | 2025-01-31 | 2.081 |
| 2024-09-20 | 2024-09-20 | 2024-10-31 | 1.650 |
| 2024-06-21 | 2024-06-21 | 2024-07-31 | 1.997 |
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How Much Does MDY Pay in Dividends?
Premium/Discount Chart
Assets Under Management
Should I buy MDY?
Fund Flows
