MDYG holdings and overlap
State Street SPDR S&P 400™ Mid Cap Growth ETF (MDYG) holds 247 positions in its SPDR file of 2026-10-27. Its three largest are Okta (OKTA) at 2.17%, TechnipFMC (FTI) at 1.62% and United Therapeutics Corp (UTHR) at 1.47%, and its ten largest make up 13.8% of the fund.
In its SPDR file of 2026-10-27, MDYG is 28.0% industrials, 19.2% technology and 16.8% health care by sector, with none of it in mega-cap tech or in the ten largest US companies by market value. By country, 98.9% of MDYG is in the United States, 1.1% in Canada.
What does MDYG hold, as of its issuer file of 2026-10-27?
MDYG spreads its weight across 247 positions, against a median of 122 across the 16 US Mid-Cap Growth funds with a page here. 90 of the 594 funds with a page hold OKTA, and MDYG gives it more weight than all but 5 of them.
| Rank | Company | Weight | Weight bar |
|---|---|---|---|
| 1 | OKTA Okta | 2.17% | |
| 2 | FTI TechnipFMC | 1.62% | |
| 3 | UTHR United Therapeutics Corp | 1.47% | |
| 4 | ATI ATI | 1.31% | |
| 5 | XPO XPO | 1.27% | |
| 6 | NVT nVent Electric | 1.26% | |
| 7 | THC Tenet Healthcare | 1.22% | |
| 8 | ROKU Roku | 1.2% | |
| 9 | RGLD Royal Gold | 1.18% | |
| 10 | DT Dynatrace | 1.07% | |
| 11 | WWD Woodward | 1.04% | |
| 12 | MTSI MACOM Technology Solutions | 1.03% | |
| 13 | CW Curtiss Wright Corp | 1.02% | |
| 14 | ITT ITT | 1.01% | |
| 15 | TOST Toast | 0.95% | |
| 16 | EXEL Exelixis | 0.94% | |
| 17 | RBA RB Global | 0.91% | |
| 18 | APG APi Group | 0.91% | |
| 19 | TLN Talen Energy | 0.89% | |
| 20 | RBC RBC Bearings | 0.88% | |
| 21 | MEDP Medpace | 0.88% | |
| 22 | NBIX Neurocrine Biosciences | 0.86% | |
| 23 | CACI CACI International | 0.85% | |
| 24 | HALO Halozyme Therapeutics | 0.85% | |
| 25 | CDE Coeur Mining | 0.84% | |
| 26 | SGI Somnigroup International | 0.84% | |
| 27 | CRS Carpenter Technology | 0.83% | |
| 28 | GWRE Guidewire Software | 0.81% | |
| 29 | JAZZ Jazz Pharmaceuticals | 0.78% | |
| 30 | FIVE Five Below | 0.74% | |
| 31 | PEN Penumbra | 0.74% | |
| 32 | FN Fabrinet | 0.71% | |
| 33 | BWXT BWX Technologies | 0.71% | |
| 34 | EHC Encompass Health | 0.69% | |
| 35 | NTNX Nutanix | 0.68% | |
| 36 | COKE Coca-Cola Consolidated | 0.68% | |
| 37 | ROIV Roivant Sciences | 0.66% | |
| 38 | SITM SiTime | 0.66% | |
| 39 | ELAN Elanco Animal Health | 0.66% | |
| 40 | STRL Sterling Infrastructure | 0.65% | |
| 41 | MTZ MasTec | 0.64% | |
| 42 | TXRH Texas Roadhouse | 0.63% | |
| 43 | LECO Lincoln Electric | 0.61% | |
| 44 | DOCN DigitalOcean | 0.6% | |
| 45 | MKSI MKS | 0.59% | |
| 46 | AMG Affiliated Managers Group | 0.59% | |
| 47 | NYT New York Times | 0.58% | |
| 48 | MOG.A Moog Inc | 0.58% | |
| 49 | BTSG Brightspring Health Services | 0.58% | |
| 50 | WTS Watts Water Technologies | 0.57% | |
| 51 | HL Hecla Mining | 0.57% | |
| 52 | ENSG The Ensign Group | 0.57% | |
| 53 | RMBS Rambus | 0.56% | |
| 54 | DTM DT Midstream | 0.55% | |
| 55 | TTEK Tetra Tech | 0.55% | |
| 56 | SMTC Semtech | 0.54% | |
| 57 | AEIS Advanced Energy Industries | 0.54% | |
| 58 | DOCU DocuSign | 0.53% | |
| 59 | EWBC East West Bancorp | 0.53% | |
| 60 | ENTG Entegris | 0.53% | |
| 61 | TTMI TTM Technologies | 0.53% | |
| 62 | SANM Sanmina | 0.53% | |
| 63 | GMED Globus Medical | 0.52% | |
| 64 | FLS Flowserve | 0.52% | |
| 65 | BURL Burlington Stores | 0.52% | |
| 66 | MLI Mueller Industries | 0.51% | |
| 67 | LSCC Lattice Semiconductor | 0.5% | |
| 68 | KRYS Krystal Biotech | 0.49% | |
| 69 | CTRE CareTrust REIT | 0.49% | |
| 70 | IDCC InterDigital | 0.49% | |
| 71 | EAT Brinker International | 0.49% | |
| 72 | HQY HealthEquity | 0.49% | |
| 73 | FORM FormFactor | 0.48% | |
| 74 | ARWR Arrowhead Pharmaceuticals | 0.48% | |
| 75 | CORT Corcept Therapeutics | 0.48% | |
| 76 | MANH Manhattan Associates | 0.48% | |
| 77 | SPXC SPX Technologies | 0.48% | |
| 78 | VIAV Viavi Solutions | 0.48% | |
| 79 | LAMR Lamar Advertising | 0.47% | |
| 80 | CLH Clean Harbors | 0.46% | |
| 81 | QLYS Qualys | 0.46% | |
| 82 | NXT Nextpower | 0.45% | |
| 83 | KNSL Kinsale Capital Group | 0.45% | |
| 84 | KTOS Kratos Defense & Security Solutions | 0.45% | |
| 85 | HUBS HubSpot | 0.45% | |
| 86 | WPC W. P. Carey Inc. REIT | 0.44% | |
| 87 | AGNC AGNC Investment | 0.44% | |
| 88 | OHI Omega Healthcare Investors | 0.44% | |
| 89 | TRU TransUnion | 0.43% | |
| 90 | FCFS FirstCash | 0.43% | |
| 91 | RNR RenaissanceRe | 0.43% | |
| 92 | FR First Industrial Realty Trust | 0.42% | |
| 93 | PCTY Paylocity | 0.42% | |
| 94 | AM Antero Midstream | 0.4% | |
| 95 | DY Dycom Industries | 0.4% | |
| 96 | SUI Sun Communities Inc | 0.4% | |
| 97 | AHR American Healthcare REIT | 0.39% | |
| 98 | NEU NewMarket | 0.39% | |
| 99 | EQH Equitable | 0.38% | |
| 100 | DCI Donaldson | 0.38% |
The most recent file State Street SPDR has published for MDYG is dated 2026-10-27, 1 day before these prices, which is the median for the State Street SPDR ETFs covered here. Every one of the 247 positions MDYG holds, with its weight, is in the fund's JSON file. See the other 89 ETFs with a page here that hold OKTA, and how their weights compare with the 2.17% MDYG gives it.
Category: US Mid-Cap Growth, set by TickerInside from the ETF's own latest file. In its file of 2026-10-27, 99% of its stocks are US companies; weighted by holding, they sit where 92% of their market's value is in larger companies (mid: 78% to 94%); growth index funds hold 57% of their value against 34% for companies of the same sizes in the whole market (growth: 10 points or more above). How categories are set.
https://tickerinside.com/api/v1/fund/mdyg.jsonhttps://tickerinside.com/api/v1/fund/mdyg.csv=IMPORTDATA("https://tickerinside.com/api/v1/fund/mdyg.csv")If your sheet uses a decimal comma: =IMPORTDATA("https://tickerinside.com/api/v1/fund/mdyg.csv"; ","; "en_US")curl -s https://tickerinside.com/api/v1/fund/mdyg.jsonHow much money went into or out of MDYG?
On the close of Friday, October 23, 2026, MDYG neither created nor redeemed shares. Over its last 5 closes, a net inflow of $5.2 million, 4 of them measured.
From MDYG's own holdings files. Every ETF's latest flows.
How is MDYG split by sector and country?
| Sector | Weight | Weight bar |
|---|---|---|
| Industrials | 28.0% | |
| Technology | 19.2% | |
| Health care | 16.8% | |
| Financials | 8.6% | |
| Consumer discretionary | 8.4% | |
| Real estate | 5.7% | |
| Materials | 4.0% | |
| Energy | 3.1% | |
| Communication services | 2.4% | |
| Utilities | 2.1% | |
| Consumer staples | 1.4% |
| Country | Weight | Weight bar |
|---|---|---|
| United States | 98.9% | |
| Canada | 1.1% |
From its SPDR file of 2026-10-27. How these are measured.
What did MDYG hold in its SEC reports since 2019?
In MDYG's SEC filings, its largest position went from Steris (STE) at 1.39% on 2019-09-30 to Twilio Inc. (TWLO) at 1.66% on 2026-06-30, across 28 quarterly reports.
| Report | Positions | Largest | Top 10 |
|---|---|---|---|
| 2019-09-30 | 239 | STE 1.39% | 11.7% |
| 2019-12-31 | 227 | TDY 1.33% | 11.5% |
| 2020-12-31 | 222 | ENPH 2.11% | 14.5% |
| 2021-12-31 | 229 | CPT 1.47% | 11.3% |
| 2022-12-31 | 233 | FICO 1.43% | 11.8% |
| 2023-12-31 | 241 | DECK 1.36% | 11.6% |
| 2024-12-31 | 236 | WSM 1.57% | 12.4% |
| 2025-12-31 | 235 | CIEN 2.02% | 14.3% |
| 2026-06-30 | 243 | TWLO 1.66% | 14.4% |
The first report, then the last of each year, of the 28 reports MDYG filed on SEC Form N-PORT from 2019-09-30 to 2026-06-30, each company under its ticker today. Every position of every report is in its quarterly file, and at any date at /api/v1/history/mdyg/{date}.json. How these are read.
What does MDYG duplicate?
The ETF nearest to MDYG is IVOG: the two hold 81.8% of their weight in common, in the 231 companies both own, and 91.2% of MDYG itself is also held there. Owning MDYG alongside the ETFs at the top of this table means holding mostly the same companies twice.
| ETF | Overlap by weight | Of MDYG held there | Of that ETF in MDYG | Companies in both | Overlap bar |
|---|---|---|---|---|---|
| IVOG | 81.8% | 91.2% | 91.7% | 231 | |
| SPMD | 64.5% | 100.0% | 66.0% | 247 | |
| IJH | 64.5% | 100.0% | 66.1% | 247 | |
| MDY | 64.1% | 100.0% | 66.0% | 247 | |
| IVOO | 59.6% | 91.2% | 62.5% | 231 | |
| RFG | 59.5% | 62.4% | 100.0% | 101 | |
| QVMM | 58.8% | 84.2% | 62.5% | 208 | |
| VBK | 41.7% | 71.1% | 43.6% | 148 | |
| SCHM | 36.1% | 82.6% | 36.1% | 187 | |
| ISCG | 35.6% | 62.9% | 36.1% | 175 | |
| RWK | 31.2% | 99.5% | 35.8% | 246 | |
| VB | 29.5% | 99.5% | 29.6% | 245 |
The holdings of IVOG and IVOO are from their SEC Form N-PORT filings for the period ended 2026-05-31, filed 2026-07-29. The holdings of VBK and VB are from their SEC Form N-PORT filings for the period ended 2026-06-30, filed 2026-08-28. SCHM's holdings are from its SEC Form N-PORT for the period ended 2026-08-31, filed 2026-10-27. The other ETFs' holdings are from their issuers' latest files. Check MDYG against any ETF in the ETF overlap calculator · how overlap is measured.
What adds something different to MDYG?
MCHI shares 0% of weight with MDYG and its weekly returns correlate with it at 0.28 over three years. The table lists the covered ETFs with the least in common with MDYG, least shared weight first and, among equals, lowest correlation.
| ETF | Name | Overlap by weight | Correlation, 3y | Companies in both |
|---|---|---|---|---|
| MCHI | iShares MSCI China ETF | 0.0% | 0.28 | 0 |
| SMIN | iShares MSCI India Small-Cap ETF | 0.0% | 0.37 | 0 |
| PFF | iShares Preferred and Income Securities ETF | 0.0% | 0.66 | 0 |
| SCZ | iShares MSCI EAFE Small-Cap ETF | 0.0% | 0.71 | 0 |
| OEF | iShares S&P 100 ETF | 0.0% | 0.74 | 0 |
| PABU | iShares Paris-Aligned Climate Optimized MSCI USA ETF | 0.0% | 0.76 | 1 |
| XSVM | Invesco S&P SmallCap Value with Momentum ETF | 0.0% | 0.78 | 0 |
| XVV | iShares ESG Select Screened S&P 500 ETF | 0.0% | 0.81 | 0 |
Cost, returns and risk
| Expense ratio | 0.15% |
|---|---|
| Dividend yield | 0.67% |
| Total return, 1 year | 14.1% |
| Total return, 3 years cumulative | 55.6% |
| Total return, 5 years cumulative | 30.4% |
| Volatility, annualised | 16.9% |
| Worst fall, 3 years | -23.0% |
| Beta against SPY, 3 years of weekly returns | 1.01 |
| Weight in the ten largest positions | 13.8% |
| Largest single position | 2.2% |
| Assets under management | $2.8B |
Expense ratio, yield and assets are reference data (the expense ratio from MDYG's SEC filing of 2026-10-26); the weight in the ten largest positions and the largest single position are from the issuer file of 2026-10-27; every other figure is computed here from weekly closes.
How it moves with the market
| Against | Correlation, 3 years | Covariance, annualised, in percent squared |
|---|---|---|
| SPY | 0.83often in step | 194 |
| QQQ | 0.73often in step | 238 |
Weekly total returns. What the bands mean · why the covariance is printed.
Year by year
| Year | Total return |
|---|---|
| 2026 | 13.1% |
| 2025 | 7.2% |
| 2024 | 15.8% |
| 2023 | 17.3% |
| 2022 | -18.9% |
One year
Where to go next
- PEJ, Invesco Leisure and Entertainment ETF
- QMOM, Alpha Architect U.S. Quantitative Momentum ETF
- QQQJ, Invesco NASDAQ Next Gen 100 ETF
- RFG, Invesco S&P MidCap 400 Pure Growth ETF
- Run a portfolio x-ray to see what MDYG carries once you look through it
- Compare MDYG against any other ETF in the builder
Holdings from the most recent file State Street SPDR has published, dated 2026-10-27. Prices through 2026-10-28. How every figure here is produced. Measurements, not investment advice.
Cite this page
TickerInside, State Street SPDR S&P 400™ Mid Cap Growth ETF (MDYG), holdings from the issuer's file of 2026-10-27, https://tickerinside.com/etf/mdyg/, CC BY 4.0
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