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MDY · ARCA · ETF

State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) Price, Holdings & Fees

$497.74−0.94%−$4.71End-of-day price as of Oct 9, 2026

State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) closed at $497.74 on Oct 9, 2026, down 0.94% from the previous close of $502.45.

Share price, past year

1Y +22.12%

52-week range $401.40 – $538.28. Daily closing prices.
Monthly closing prices
Last closing price of each month
DateClose
Oct 9, 2026$497.74
Sep 30, 2026$486.03
Aug 31, 2026$513.32
Jul 31, 2026$533.72
Jun 30, 2026$502.18
May 29, 2026$483.07
Apr 30, 2026$459.57
Mar 31, 2026$470.86
Feb 27, 2026$439.57
Jan 30, 2026$431.59
Dec 31, 2025$434.18
Nov 28, 2025$408.95
Oct 31, 2025$404.95

Key statistics

Expense ratio
—
Net assets
$28.1B
as of Jun 30, 2026
Holdings
400
as of Jun 30, 2026
52-week range
$401.40 – $538.28

Holdings

State Street SPDR S&P MIDCAP 400 ETF Trust held 400 investments worth $28.05B as of Jun 30, 2026. Its largest holding was TWILIO INC, at 0.86% of the fund.

State Street SPDR S&P MIDCAP 400 ETF Trust largest holdings by share of net assets
#Holding% of fundValue
1TWILIO INCTWLO0.86%$240.95M
2CARPENTER TECHNOLOGY CORPCRS0.84%$235.82M
3MKS INCMKSI0.82%$231.16M
4CURTISS-WRIGHT CORPCW0.77%$215.38M
5NVENT ELECTRIC PLCNVT0.75%$211.04M
6ENTEGRIS INCENTG0.75%$211.04M
7ATI INCATI0.74%$206.96M
8ILLUMINA INCILMN0.73%$204.68M
9TECHNIPFMC PLCFTI0.73%$203.38M
10STERLING INFRASTRUCTURE INCSTRL0.71%$198.18M
11MASTEC INCMTZ0.70%$197.24M
12WOODWARD INCWWD0.70%$195.03M
13MACOM TECHNOLOGY SOLUTIONS HOLDINGS INCMTSI0.68%$192.03M
14EVERPURE INCP0.68%$191.29M
15XPO INCXPO0.66%$185.45M
16UNITED THERAPEUTICS CORPUTHR0.63%$176.95M
17OKTA INCOKTA0.63%$176.02M
18US FOODS HOLDING CORPUSFD0.62%$173.25M
19RB GLOBAL INCRBA0.60%$166.92M
20LATTICE SEMICONDUCTOR CORPLSCC0.57%$161.24M
21RBC BEARINGS INCRBC0.56%$156.32M
22FABRINETFN0.55%$154.95M
23TD SYNNEX CORPSNX0.55%$153.79M
24BURLINGTON STORES INCBURL0.55%$153.15M
25TTM TECHNOLOGIES INCTTMI0.53%$149.44M

Top 25 of 400 holdings, as of Jun 30, 2026. Percentages are of the fund's net assets.

What the fund owns

State Street SPDR S&P MIDCAP 400 ETF Trust holdings by asset type
Asset type% of fund
Stocks99.43%
State Street SPDR S&P MIDCAP 400 ETF Trust holdings by country, largest 9
Country% of fund
United States93.54%
Bermuda1.42%
Ireland1.33%
United Kingdom1.04%
Cayman Islands0.85%
Canada0.75%
Netherlands0.27%
Jersey0.18%
British Virgin Islands0.06%

Shares of net assets from the fund's N-PORT report. Funds that borrow can add up to more than 100%, with borrowing (such as repurchase agreements) shown as a negative share.

Monthly total returns

Over the 3 months to Jun 30, 2026, State Street SPDR S&P MIDCAP 400 ETF Trust's total return was +14.37%, as reported to the SEC.

State Street SPDR S&P MIDCAP 400 ETF Trust monthly total returns
MonthTotal return
Jun 30, 2026+3.60%
May 31, 2026+2.42%
Apr 30, 2026+7.79%

The fund's own total returns as reported to the SEC (N-PORT), including reinvested distributions. Not the sample prices above.

Fund profile

Name
State Street SPDR S&P MIDCAP 400 ETF Trust
Ticker
MDY
Exchange
ARCA
Fund type
Unit investment trust
Trust
SPDR S&P MIDCAP 400 ETF TRUST
SEC CIK
0000936958
Fractional shares
Yes

Recent SEC filings

Frequently asked questions

What is MDY's price?

State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) closed at $497.74 on Oct 9, 2026, down 0.94% from the previous close of $502.45.

What does MDY hold?

State Street SPDR S&P MIDCAP 400 ETF Trust held 400 investments worth $28.05B as of Jun 30, 2026. Its largest holding was TWILIO INC, at 0.86% of the fund. Its five largest holdings were TWILIO INC, CARPENTER TECHNOLOGY CORP, MKS INC, CURTISS-WRIGHT CORP, NVENT ELECTRIC PLC.

How has MDY performed?

Over the 3 months to Jun 30, 2026, State Street SPDR S&P MIDCAP 400 ETF Trust's total return was +14.37%, as reported to the SEC.

Sources and methodology

Holdings, net assets and monthly returns come from the fund's N-PORT filing with the SEC, as of Jun 30, 2026 (filed Aug 27, 2026). Prices are generated sample data for development. Data sources and disclosures